diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__random')
35 files changed, 4139 insertions, 4701 deletions
diff --git a/contrib/llvm-project/libcxx/include/__random/bernoulli_distribution.h b/contrib/llvm-project/libcxx/include/__random/bernoulli_distribution.h index 565dc0369387..4f33dca132d1 100644 --- a/contrib/llvm-project/libcxx/include/__random/bernoulli_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/bernoulli_distribution.h @@ -23,119 +23,97 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -class _LIBCPP_TEMPLATE_VIS bernoulli_distribution -{ +class _LIBCPP_TEMPLATE_VIS bernoulli_distribution { public: - // types - typedef bool result_type; + // types + typedef bool result_type; - class _LIBCPP_TEMPLATE_VIS param_type - { - double __p_; - public: - typedef bernoulli_distribution distribution_type; + class _LIBCPP_TEMPLATE_VIS param_type { + double __p_; - _LIBCPP_HIDE_FROM_ABI - explicit param_type(double __p = 0.5) : __p_(__p) {} + public: + typedef bernoulli_distribution distribution_type; - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_;} + _LIBCPP_HIDE_FROM_ABI explicit param_type(double __p = 0.5) : __p_(__p) {} - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - bernoulli_distribution() : bernoulli_distribution(0.5) {} - _LIBCPP_HIDE_FROM_ABI - explicit bernoulli_distribution(double __p) : __p_(param_type(__p)) {} + _LIBCPP_HIDE_FROM_ABI bernoulli_distribution() : bernoulli_distribution(0.5) {} + _LIBCPP_HIDE_FROM_ABI explicit bernoulli_distribution(double __p) : __p_(param_type(__p)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit bernoulli_distribution(double __p = 0.5) : __p_(param_type(__p)) {} + _LIBCPP_HIDE_FROM_ABI explicit bernoulli_distribution(double __p = 0.5) : __p_(param_type(__p)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit bernoulli_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_.p();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return false;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return true;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const bernoulli_distribution& __x, - const bernoulli_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const bernoulli_distribution& __x, - const bernoulli_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit bernoulli_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_.p(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return false; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return true; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const bernoulli_distribution& __x, const bernoulli_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const bernoulli_distribution& __x, const bernoulli_distribution& __y) { + return !(__x == __y); + } }; -template<class _URNG> -inline -bernoulli_distribution::result_type -bernoulli_distribution::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - uniform_real_distribution<double> __gen; - return __gen(__g) < __p.p(); +template <class _URNG> +inline bernoulli_distribution::result_type bernoulli_distribution::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + uniform_real_distribution<double> __gen; + return __gen(__g) < __p.p(); } template <class _CharT, class _Traits> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, const bernoulli_distribution& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.p(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const bernoulli_distribution& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.p(); } template <class _CharT, class _Traits> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, bernoulli_distribution& __x) -{ - typedef bernoulli_distribution _Eng; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - double __p; - __is >> __p; - if (!__is.fail()) - __x.param(param_type(__p)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, bernoulli_distribution& __x) { + typedef bernoulli_distribution _Eng; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + double __p; + __is >> __p; + if (!__is.fail()) + __x.param(param_type(__p)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/binomial_distribution.h b/contrib/llvm-project/libcxx/include/__random/binomial_distribution.h index 03661b19bebf..e8774bb8d67e 100644 --- a/contrib/llvm-project/libcxx/include/__random/binomial_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/binomial_distribution.h @@ -24,98 +24,81 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _IntType = int> -class _LIBCPP_TEMPLATE_VIS binomial_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); +template <class _IntType = int> +class _LIBCPP_TEMPLATE_VIS binomial_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); + public: - // types - typedef _IntType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __t_; - double __p_; - double __pr_; - double __odds_ratio_; - result_type __r0_; - public: - typedef binomial_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __t = 1, double __p = 0.5); - - _LIBCPP_HIDE_FROM_ABI - result_type t() const {return __t_;} - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__t_ == __y.__t_ && __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - - friend class binomial_distribution; - }; + // types + typedef _IntType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __t_; + double __p_; + double __pr_; + double __odds_ratio_; + result_type __r0_; + + public: + typedef binomial_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __t = 1, double __p = 0.5); + + _LIBCPP_HIDE_FROM_ABI result_type t() const { return __t_; } + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__t_ == __y.__t_ && __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + + friend class binomial_distribution; + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - binomial_distribution() : binomial_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit binomial_distribution(result_type __t, double __p = 0.5) - : __p_(param_type(__t, __p)) {} + _LIBCPP_HIDE_FROM_ABI binomial_distribution() : binomial_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit binomial_distribution(result_type __t, double __p = 0.5) + : __p_(param_type(__t, __p)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit binomial_distribution(result_type __t = 1, double __p = 0.5) - : __p_(param_type(__t, __p)) {} + _LIBCPP_HIDE_FROM_ABI explicit binomial_distribution(result_type __t = 1, double __p = 0.5) + : __p_(param_type(__t, __p)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit binomial_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type t() const {return __p_.t();} - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_.p();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return t();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const binomial_distribution& __x, - const binomial_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const binomial_distribution& __x, - const binomial_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit binomial_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type t() const { return __p_.t(); } + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_.p(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return t(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const binomial_distribution& __x, const binomial_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const binomial_distribution& __x, const binomial_distribution& __y) { + return !(__x == __y); + } }; #ifndef _LIBCPP_MSVCRT_LIKE -extern "C" double lgamma_r(double, int *); +extern "C" double lgamma_r(double, int*); #endif inline _LIBCPP_HIDE_FROM_ABI double __libcpp_lgamma(double __d) { @@ -127,99 +110,85 @@ inline _LIBCPP_HIDE_FROM_ABI double __libcpp_lgamma(double __d) { #endif } -template<class _IntType> -binomial_distribution<_IntType>::param_type::param_type(result_type __t, double __p) - : __t_(__t), __p_(__p) -{ - if (0 < __p_ && __p_ < 1) - { - __r0_ = static_cast<result_type>((__t_ + 1) * __p_); - __pr_ = std::exp(std::__libcpp_lgamma(__t_ + 1.) - - std::__libcpp_lgamma(__r0_ + 1.) - - std::__libcpp_lgamma(__t_ - __r0_ + 1.) + __r0_ * std::log(__p_) + - (__t_ - __r0_) * std::log(1 - __p_)); - __odds_ratio_ = __p_ / (1 - __p_); - } +template <class _IntType> +binomial_distribution<_IntType>::param_type::param_type(result_type __t, double __p) : __t_(__t), __p_(__p) { + if (0 < __p_ && __p_ < 1) { + __r0_ = static_cast<result_type>((__t_ + 1) * __p_); + __pr_ = std::exp( + std::__libcpp_lgamma(__t_ + 1.) - std::__libcpp_lgamma(__r0_ + 1.) - std::__libcpp_lgamma(__t_ - __r0_ + 1.) + + __r0_ * std::log(__p_) + (__t_ - __r0_) * std::log(1 - __p_)); + __odds_ratio_ = __p_ / (1 - __p_); + } } // Reference: Kemp, C.D. (1986). `A modal method for generating binomial // variables', Commun. Statist. - Theor. Meth. 15(3), 805-813. -template<class _IntType> -template<class _URNG> -_IntType -binomial_distribution<_IntType>::operator()(_URNG& __g, const param_type& __pr) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - if (__pr.__t_ == 0 || __pr.__p_ == 0) - return 0; - if (__pr.__p_ == 1) - return __pr.__t_; - uniform_real_distribution<double> __gen; - double __u = __gen(__g) - __pr.__pr_; - if (__u < 0) - return __pr.__r0_; - double __pu = __pr.__pr_; - double __pd = __pu; - result_type __ru = __pr.__r0_; - result_type __rd = __ru; - while (true) - { - bool __break = true; - if (__rd >= 1) - { - __pd *= __rd / (__pr.__odds_ratio_ * (__pr.__t_ - __rd + 1)); - __u -= __pd; - __break = false; - if (__u < 0) - return __rd - 1; - } - if ( __rd != 0 ) - --__rd; - ++__ru; - if (__ru <= __pr.__t_) - { - __pu *= (__pr.__t_ - __ru + 1) * __pr.__odds_ratio_ / __ru; - __u -= __pu; - __break = false; - if (__u < 0) - return __ru; - } - if (__break) - return 0; +template <class _IntType> +template <class _URNG> +_IntType binomial_distribution<_IntType>::operator()(_URNG& __g, const param_type& __pr) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + if (__pr.__t_ == 0 || __pr.__p_ == 0) + return 0; + if (__pr.__p_ == 1) + return __pr.__t_; + uniform_real_distribution<double> __gen; + double __u = __gen(__g) - __pr.__pr_; + if (__u < 0) + return __pr.__r0_; + double __pu = __pr.__pr_; + double __pd = __pu; + result_type __ru = __pr.__r0_; + result_type __rd = __ru; + while (true) { + bool __break = true; + if (__rd >= 1) { + __pd *= __rd / (__pr.__odds_ratio_ * (__pr.__t_ - __rd + 1)); + __u -= __pd; + __break = false; + if (__u < 0) + return __rd - 1; + } + if (__rd != 0) + --__rd; + ++__ru; + if (__ru <= __pr.__t_) { + __pu *= (__pr.__t_ - __ru + 1) * __pr.__odds_ratio_ / __ru; + __u -= __pu; + __break = false; + if (__u < 0) + return __ru; } + if (__break) + return 0; + } } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const binomial_distribution<_IntType>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.t() << __sp << __x.p(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const binomial_distribution<_IntType>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.t() << __sp << __x.p(); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - binomial_distribution<_IntType>& __x) -{ - typedef binomial_distribution<_IntType> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __t; - double __p; - __is >> __t >> __p; - if (!__is.fail()) - __x.param(param_type(__t, __p)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, binomial_distribution<_IntType>& __x) { + typedef binomial_distribution<_IntType> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __t; + double __p; + __is >> __t >> __p; + if (!__is.fail()) + __x.param(param_type(__t, __p)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/cauchy_distribution.h b/contrib/llvm-project/libcxx/include/__random/cauchy_distribution.h index 44d7e0e27c14..bd341427a152 100644 --- a/contrib/llvm-project/libcxx/include/__random/cauchy_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/cauchy_distribution.h @@ -25,139 +25,111 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS cauchy_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS cauchy_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __a_; - result_type __b_; - public: - typedef cauchy_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __a = 0, result_type __b = 1) - : __a_(__a), __b_(__b) {} - - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __a_;} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __b_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __a_; + result_type __b_; + + public: + typedef cauchy_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 0, result_type __b = 1) : __a_(__a), __b_(__b) {} + + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __a_; } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __b_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - cauchy_distribution() : cauchy_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI - explicit cauchy_distribution(result_type __a, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI cauchy_distribution() : cauchy_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit cauchy_distribution(result_type __a, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit cauchy_distribution(result_type __a = 0, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI explicit cauchy_distribution(result_type __a = 0, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit cauchy_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __p_.a();} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __p_.b();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return -numeric_limits<result_type>::infinity();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const cauchy_distribution& __x, - const cauchy_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const cauchy_distribution& __x, - const cauchy_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit cauchy_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __p_.a(); } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __p_.b(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return -numeric_limits<result_type>::infinity(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const cauchy_distribution& __x, const cauchy_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const cauchy_distribution& __x, const cauchy_distribution& __y) { + return !(__x == __y); + } }; template <class _RealType> -template<class _URNG> -inline -_RealType -cauchy_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - uniform_real_distribution<result_type> __gen; - // purposefully let tan arg get as close to pi/2 as it wants, tan will return a finite - return __p.a() + __p.b() * std::tan(3.1415926535897932384626433832795 * __gen(__g)); +template <class _URNG> +inline _RealType cauchy_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + uniform_real_distribution<result_type> __gen; + // purposefully let tan arg get as close to pi/2 as it wants, tan will return a finite + return __p.a() + __p.b() * std::tan(3.1415926535897932384626433832795 * __gen(__g)); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const cauchy_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.a() << __sp << __x.b(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const cauchy_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.a() << __sp << __x.b(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - cauchy_distribution<_RT>& __x) -{ - typedef cauchy_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __a; - result_type __b; - __is >> __a >> __b; - if (!__is.fail()) - __x.param(param_type(__a, __b)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, cauchy_distribution<_RT>& __x) { + typedef cauchy_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __a; + result_type __b; + __is >> __a >> __b; + if (!__is.fail()) + __x.param(param_type(__a, __b)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/chi_squared_distribution.h b/contrib/llvm-project/libcxx/include/__random/chi_squared_distribution.h index ce17a283d495..efa96dcdaafb 100644 --- a/contrib/llvm-project/libcxx/include/__random/chi_squared_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/chi_squared_distribution.h @@ -24,121 +24,98 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS chi_squared_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS chi_squared_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; + // types + typedef _RealType result_type; - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __n_; - public: - typedef chi_squared_distribution distribution_type; + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __n_; - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __n = 1) : __n_(__n) {} + public: + typedef chi_squared_distribution distribution_type; - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __n_;} + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __n = 1) : __n_(__n) {} - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__n_ == __y.__n_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __n_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__n_ == __y.__n_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - chi_squared_distribution() : chi_squared_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit chi_squared_distribution(result_type __n) - : __p_(param_type(__n)) {} + _LIBCPP_HIDE_FROM_ABI chi_squared_distribution() : chi_squared_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit chi_squared_distribution(result_type __n) : __p_(param_type(__n)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit chi_squared_distribution(result_type __n = 1) - : __p_(param_type(__n)) {} + _LIBCPP_HIDE_FROM_ABI explicit chi_squared_distribution(result_type __n = 1) : __p_(param_type(__n)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit chi_squared_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g, const param_type& __p) - {return gamma_distribution<result_type>(__p.n() / 2, 2)(__g);} - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __p_.n();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const chi_squared_distribution& __x, - const chi_squared_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const chi_squared_distribution& __x, - const chi_squared_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit chi_squared_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p) { + return gamma_distribution<result_type>(__p.n() / 2, 2)(__g); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __p_.n(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const chi_squared_distribution& __x, const chi_squared_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const chi_squared_distribution& __x, const chi_squared_distribution& __y) { + return !(__x == __y); + } }; template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const chi_squared_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - __os << __x.n(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const chi_squared_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + __os << __x.n(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - chi_squared_distribution<_RT>& __x) -{ - typedef chi_squared_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __n; - __is >> __n; - if (!__is.fail()) - __x.param(param_type(__n)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, chi_squared_distribution<_RT>& __x) { + typedef chi_squared_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __n; + __is >> __n; + if (!__is.fail()) + __x.param(param_type(__n)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/clamp_to_integral.h b/contrib/llvm-project/libcxx/include/__random/clamp_to_integral.h index 07515e871a63..d9bfd31b7f01 100644 --- a/contrib/llvm-project/libcxx/include/__random/clamp_to_integral.h +++ b/contrib/llvm-project/libcxx/include/__random/clamp_to_integral.h @@ -22,17 +22,18 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template <class _IntT, class _FloatT, - bool _FloatBigger = (numeric_limits<_FloatT>::digits > numeric_limits<_IntT>::digits), - int _Bits = (numeric_limits<_IntT>::digits - numeric_limits<_FloatT>::digits)> -_LIBCPP_HIDE_FROM_ABI -_LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT { +template <class _IntT, + class _FloatT, + bool _FloatBigger = (numeric_limits<_FloatT>::digits > numeric_limits<_IntT>::digits), + int _Bits = (numeric_limits<_IntT>::digits - numeric_limits<_FloatT>::digits)> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT { static_assert(is_floating_point<_FloatT>::value, "must be a floating point type"); static_assert(is_integral<_IntT>::value, "must be an integral type"); static_assert(numeric_limits<_FloatT>::radix == 2, "FloatT has incorrect radix"); - static_assert((_IsSame<_FloatT, float>::value || _IsSame<_FloatT, double>::value - || _IsSame<_FloatT,long double>::value), "unsupported floating point type"); - return _FloatBigger ? numeric_limits<_IntT>::max() : (numeric_limits<_IntT>::max() >> _Bits << _Bits); + static_assert( + (_IsSame<_FloatT, float>::value || _IsSame<_FloatT, double>::value || _IsSame<_FloatT, long double>::value), + "unsupported floating point type"); + return _FloatBigger ? numeric_limits<_IntT>::max() : (numeric_limits<_IntT>::max() >> _Bits << _Bits); } // Convert a floating point number to the specified integral type after @@ -40,9 +41,8 @@ _LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT { // // The behavior is undefined if `__r` is NaN. template <class _IntT, class _RealT> -_LIBCPP_HIDE_FROM_ABI -_IntT __clamp_to_integral(_RealT __r) _NOEXCEPT { - using _Lim = numeric_limits<_IntT>; +_LIBCPP_HIDE_FROM_ABI _IntT __clamp_to_integral(_RealT __r) _NOEXCEPT { + using _Lim = numeric_limits<_IntT>; const _IntT __max_val = __max_representable_int_for_float<_IntT, _RealT>(); if (__r >= ::nextafter(static_cast<_RealT>(__max_val), INFINITY)) { return _Lim::max(); diff --git a/contrib/llvm-project/libcxx/include/__random/discard_block_engine.h b/contrib/llvm-project/libcxx/include/__random/discard_block_engine.h index 8ce5a1cf2cb2..9279fb66f694 100644 --- a/contrib/llvm-project/libcxx/include/__random/discard_block_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/discard_block_engine.h @@ -27,172 +27,142 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _Engine, size_t __p, size_t __r> -class _LIBCPP_TEMPLATE_VIS discard_block_engine -{ - _Engine __e_; - int __n_; - - static_assert( 0 < __r, "discard_block_engine invalid parameters"); - static_assert(__r <= __p, "discard_block_engine invalid parameters"); +template <class _Engine, size_t __p, size_t __r> +class _LIBCPP_TEMPLATE_VIS discard_block_engine { + _Engine __e_; + int __n_; + + static_assert(0 < __r, "discard_block_engine invalid parameters"); + static_assert(__r <= __p, "discard_block_engine invalid parameters"); #ifndef _LIBCPP_CXX03_LANG // numeric_limits::max() is not constexpr in C++03 - static_assert(__r <= numeric_limits<int>::max(), "discard_block_engine invalid parameters"); + static_assert(__r <= numeric_limits<int>::max(), "discard_block_engine invalid parameters"); #endif + public: - // types - typedef typename _Engine::result_type result_type; + // types + typedef typename _Engine::result_type result_type; - // engine characteristics - static _LIBCPP_CONSTEXPR const size_t block_size = __p; - static _LIBCPP_CONSTEXPR const size_t used_block = __r; + // engine characteristics + static _LIBCPP_CONSTEXPR const size_t block_size = __p; + static _LIBCPP_CONSTEXPR const size_t used_block = __r; #ifdef _LIBCPP_CXX03_LANG - static const result_type _Min = _Engine::_Min; - static const result_type _Max = _Engine::_Max; + static const result_type _Min = _Engine::_Min; + static const result_type _Max = _Engine::_Max; #else - static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); - static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); + static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); + static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); #endif - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Engine::min(); } - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Engine::max(); } - - // constructors and seeding functions - _LIBCPP_HIDE_FROM_ABI - discard_block_engine() : __n_(0) {} - _LIBCPP_HIDE_FROM_ABI - explicit discard_block_engine(const _Engine& __e) - : __e_(__e), __n_(0) {} + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Engine::min(); } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Engine::max(); } + + // constructors and seeding functions + _LIBCPP_HIDE_FROM_ABI discard_block_engine() : __n_(0) {} + _LIBCPP_HIDE_FROM_ABI explicit discard_block_engine(const _Engine& __e) : __e_(__e), __n_(0) {} #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit discard_block_engine(_Engine&& __e) - : __e_(std::move(__e)), __n_(0) {} + _LIBCPP_HIDE_FROM_ABI explicit discard_block_engine(_Engine&& __e) : __e_(std::move(__e)), __n_(0) {} #endif // _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit discard_block_engine(result_type __sd) : __e_(__sd), __n_(0) {} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, discard_block_engine>::value && - !is_convertible<_Sseq, _Engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit discard_block_engine(_Sseq& __q) - : __e_(__q), __n_(0) {} - _LIBCPP_HIDE_FROM_ABI - void seed() {__e_.seed(); __n_ = 0;} - _LIBCPP_HIDE_FROM_ABI - void seed(result_type __sd) {__e_.seed(__sd); __n_ = 0;} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, discard_block_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) {__e_.seed(__q); __n_ = 0;} - - // generating functions - _LIBCPP_HIDE_FROM_ABI result_type operator()(); - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - // property functions - _LIBCPP_HIDE_FROM_ABI - const _Engine& base() const _NOEXCEPT {return __e_;} - - template<class _Eng, size_t _Pp, size_t _Rp> - friend - bool - operator==( - const discard_block_engine<_Eng, _Pp, _Rp>& __x, - const discard_block_engine<_Eng, _Pp, _Rp>& __y); - - template<class _Eng, size_t _Pp, size_t _Rp> - friend - bool - operator!=( - const discard_block_engine<_Eng, _Pp, _Rp>& __x, - const discard_block_engine<_Eng, _Pp, _Rp>& __y); - - template <class _CharT, class _Traits, - class _Eng, size_t _Pp, size_t _Rp> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const discard_block_engine<_Eng, _Pp, _Rp>& __x); - - template <class _CharT, class _Traits, - class _Eng, size_t _Pp, size_t _Rp> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - discard_block_engine<_Eng, _Pp, _Rp>& __x); + _LIBCPP_HIDE_FROM_ABI explicit discard_block_engine(result_type __sd) : __e_(__sd), __n_(0) {} + template < + class _Sseq, + __enable_if_t<__is_seed_sequence<_Sseq, discard_block_engine>::value && !is_convertible<_Sseq, _Engine>::value, + int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit discard_block_engine(_Sseq& __q) : __e_(__q), __n_(0) {} + _LIBCPP_HIDE_FROM_ABI void seed() { + __e_.seed(); + __n_ = 0; + } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd) { + __e_.seed(__sd); + __n_ = 0; + } + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, discard_block_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __e_.seed(__q); + __n_ = 0; + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()(); + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI const _Engine& base() const _NOEXCEPT { return __e_; } + + template <class _Eng, size_t _Pp, size_t _Rp> + friend bool + operator==(const discard_block_engine<_Eng, _Pp, _Rp>& __x, const discard_block_engine<_Eng, _Pp, _Rp>& __y); + + template <class _Eng, size_t _Pp, size_t _Rp> + friend bool + operator!=(const discard_block_engine<_Eng, _Pp, _Rp>& __x, const discard_block_engine<_Eng, _Pp, _Rp>& __y); + + template <class _CharT, class _Traits, class _Eng, size_t _Pp, size_t _Rp> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const discard_block_engine<_Eng, _Pp, _Rp>& __x); + + template <class _CharT, class _Traits, class _Eng, size_t _Pp, size_t _Rp> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, discard_block_engine<_Eng, _Pp, _Rp>& __x); }; -template<class _Engine, size_t __p, size_t __r> - _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::block_size; - -template<class _Engine, size_t __p, size_t __r> - _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::used_block; - -template<class _Engine, size_t __p, size_t __r> -typename discard_block_engine<_Engine, __p, __r>::result_type -discard_block_engine<_Engine, __p, __r>::operator()() -{ - if (__n_ >= static_cast<int>(__r)) - { - __e_.discard(__p - __r); - __n_ = 0; - } - ++__n_; - return __e_(); +template <class _Engine, size_t __p, size_t __r> +_LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::block_size; + +template <class _Engine, size_t __p, size_t __r> +_LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::used_block; + +template <class _Engine, size_t __p, size_t __r> +typename discard_block_engine<_Engine, __p, __r>::result_type discard_block_engine<_Engine, __p, __r>::operator()() { + if (__n_ >= static_cast<int>(__r)) { + __e_.discard(__p - __r); + __n_ = 0; + } + ++__n_; + return __e_(); } -template<class _Eng, size_t _Pp, size_t _Rp> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator==(const discard_block_engine<_Eng, _Pp, _Rp>& __x, - const discard_block_engine<_Eng, _Pp, _Rp>& __y) -{ - return __x.__n_ == __y.__n_ && __x.__e_ == __y.__e_; +template <class _Eng, size_t _Pp, size_t _Rp> +inline _LIBCPP_HIDE_FROM_ABI bool +operator==(const discard_block_engine<_Eng, _Pp, _Rp>& __x, const discard_block_engine<_Eng, _Pp, _Rp>& __y) { + return __x.__n_ == __y.__n_ && __x.__e_ == __y.__e_; } -template<class _Eng, size_t _Pp, size_t _Rp> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=(const discard_block_engine<_Eng, _Pp, _Rp>& __x, - const discard_block_engine<_Eng, _Pp, _Rp>& __y) -{ - return !(__x == __y); +template <class _Eng, size_t _Pp, size_t _Rp> +inline _LIBCPP_HIDE_FROM_ABI bool +operator!=(const discard_block_engine<_Eng, _Pp, _Rp>& __x, const discard_block_engine<_Eng, _Pp, _Rp>& __y) { + return !(__x == __y); } -template <class _CharT, class _Traits, - class _Eng, size_t _Pp, size_t _Rp> +template <class _CharT, class _Traits, class _Eng, size_t _Pp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const discard_block_engine<_Eng, _Pp, _Rp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.__e_ << __sp << __x.__n_; +operator<<(basic_ostream<_CharT, _Traits>& __os, const discard_block_engine<_Eng, _Pp, _Rp>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.__e_ << __sp << __x.__n_; } -template <class _CharT, class _Traits, - class _Eng, size_t _Pp, size_t _Rp> +template <class _CharT, class _Traits, class _Eng, size_t _Pp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - discard_block_engine<_Eng, _Pp, _Rp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - _Eng __e; - int __n; - __is >> __e >> __n; - if (!__is.fail()) - { - __x.__e_ = __e; - __x.__n_ = __n; - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, discard_block_engine<_Eng, _Pp, _Rp>& __x) { + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + _Eng __e; + int __n; + __is >> __e >> __n; + if (!__is.fail()) { + __x.__e_ = __e; + __x.__n_ = __n; + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/discrete_distribution.h b/contrib/llvm-project/libcxx/include/__random/discrete_distribution.h index 9f0bc3591439..bb72dd6cb507 100644 --- a/contrib/llvm-project/libcxx/include/__random/discrete_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/discrete_distribution.h @@ -27,234 +27,182 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _IntType = int> -class _LIBCPP_TEMPLATE_VIS discrete_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); +template <class _IntType = int> +class _LIBCPP_TEMPLATE_VIS discrete_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); + public: - // types - typedef _IntType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - vector<double> __p_; - public: - typedef discrete_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - param_type() {} - template<class _InputIterator> - _LIBCPP_HIDE_FROM_ABI - param_type(_InputIterator __f, _InputIterator __l) - : __p_(__f, __l) {__init();} + // types + typedef _IntType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + vector<double> __p_; + + public: + typedef discrete_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI param_type() {} + template <class _InputIterator> + _LIBCPP_HIDE_FROM_ABI param_type(_InputIterator __f, _InputIterator __l) : __p_(__f, __l) { + __init(); + } #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - param_type(initializer_list<double> __wl) - : __p_(__wl.begin(), __wl.end()) {__init();} + _LIBCPP_HIDE_FROM_ABI param_type(initializer_list<double> __wl) : __p_(__wl.begin(), __wl.end()) { __init(); } #endif // _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, double __xmin, double __xmax, - _UnaryOperation __fw); + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, double __xmin, double __xmax, _UnaryOperation __fw); - _LIBCPP_HIDE_FROM_ABI vector<double> probabilities() const; + _LIBCPP_HIDE_FROM_ABI vector<double> probabilities() const; - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } - private: - _LIBCPP_HIDE_FROM_ABI void __init(); + private: + _LIBCPP_HIDE_FROM_ABI void __init(); - friend class discrete_distribution; + friend class discrete_distribution; - template <class _CharT, class _Traits, class _IT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const discrete_distribution<_IT>& __x); + template <class _CharT, class _Traits, class _IT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const discrete_distribution<_IT>& __x); - template <class _CharT, class _Traits, class _IT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - discrete_distribution<_IT>& __x); - }; + template <class _CharT, class _Traits, class _IT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, discrete_distribution<_IT>& __x); + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions - _LIBCPP_HIDE_FROM_ABI - discrete_distribution() {} - template<class _InputIterator> - _LIBCPP_HIDE_FROM_ABI - discrete_distribution(_InputIterator __f, _InputIterator __l) - : __p_(__f, __l) {} + // constructor and reset functions + _LIBCPP_HIDE_FROM_ABI discrete_distribution() {} + template <class _InputIterator> + _LIBCPP_HIDE_FROM_ABI discrete_distribution(_InputIterator __f, _InputIterator __l) : __p_(__f, __l) {} #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - discrete_distribution(initializer_list<double> __wl) - : __p_(__wl) {} + _LIBCPP_HIDE_FROM_ABI discrete_distribution(initializer_list<double> __wl) : __p_(__wl) {} #endif // _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI - discrete_distribution(size_t __nw, double __xmin, double __xmax, - _UnaryOperation __fw) - : __p_(__nw, __xmin, __xmax, __fw) {} - _LIBCPP_HIDE_FROM_ABI - explicit discrete_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - vector<double> probabilities() const {return __p_.probabilities();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return __p_.__p_.size();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const discrete_distribution& __x, - const discrete_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const discrete_distribution& __x, - const discrete_distribution& __y) - {return !(__x == __y);} - - template <class _CharT, class _Traits, class _IT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const discrete_distribution<_IT>& __x); - - template <class _CharT, class _Traits, class _IT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - discrete_distribution<_IT>& __x); + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI discrete_distribution(size_t __nw, double __xmin, double __xmax, _UnaryOperation __fw) + : __p_(__nw, __xmin, __xmax, __fw) {} + _LIBCPP_HIDE_FROM_ABI explicit discrete_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI vector<double> probabilities() const { return __p_.probabilities(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return __p_.__p_.size(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const discrete_distribution& __x, const discrete_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const discrete_distribution& __x, const discrete_distribution& __y) { + return !(__x == __y); + } + + template <class _CharT, class _Traits, class _IT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const discrete_distribution<_IT>& __x); + + template <class _CharT, class _Traits, class _IT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, discrete_distribution<_IT>& __x); }; -template<class _IntType> -template<class _UnaryOperation> -discrete_distribution<_IntType>::param_type::param_type(size_t __nw, - double __xmin, - double __xmax, - _UnaryOperation __fw) -{ - if (__nw > 1) - { - __p_.reserve(__nw - 1); - double __d = (__xmax - __xmin) / __nw; - double __d2 = __d / 2; - for (size_t __k = 0; __k < __nw; ++__k) - __p_.push_back(__fw(__xmin + __k * __d + __d2)); - __init(); - } +template <class _IntType> +template <class _UnaryOperation> +discrete_distribution<_IntType>::param_type::param_type( + size_t __nw, double __xmin, double __xmax, _UnaryOperation __fw) { + if (__nw > 1) { + __p_.reserve(__nw - 1); + double __d = (__xmax - __xmin) / __nw; + double __d2 = __d / 2; + for (size_t __k = 0; __k < __nw; ++__k) + __p_.push_back(__fw(__xmin + __k * __d + __d2)); + __init(); + } } -template<class _IntType> -void -discrete_distribution<_IntType>::param_type::__init() -{ - if (!__p_.empty()) - { - if (__p_.size() > 1) - { - double __s = std::accumulate(__p_.begin(), __p_.end(), 0.0); - for (vector<double>::iterator __i = __p_.begin(), __e = __p_.end(); __i < __e; ++__i) - *__i /= __s; - vector<double> __t(__p_.size() - 1); - std::partial_sum(__p_.begin(), __p_.end() - 1, __t.begin()); - swap(__p_, __t); - } - else - { - __p_.clear(); - __p_.shrink_to_fit(); - } +template <class _IntType> +void discrete_distribution<_IntType>::param_type::__init() { + if (!__p_.empty()) { + if (__p_.size() > 1) { + double __s = std::accumulate(__p_.begin(), __p_.end(), 0.0); + for (vector<double>::iterator __i = __p_.begin(), __e = __p_.end(); __i < __e; ++__i) + *__i /= __s; + vector<double> __t(__p_.size() - 1); + std::partial_sum(__p_.begin(), __p_.end() - 1, __t.begin()); + swap(__p_, __t); + } else { + __p_.clear(); + __p_.shrink_to_fit(); } + } } -template<class _IntType> -vector<double> -discrete_distribution<_IntType>::param_type::probabilities() const -{ - size_t __n = __p_.size(); - vector<double> __p(__n+1); - std::adjacent_difference(__p_.begin(), __p_.end(), __p.begin()); - if (__n > 0) - __p[__n] = 1 - __p_[__n-1]; - else - __p[0] = 1; - return __p; +template <class _IntType> +vector<double> discrete_distribution<_IntType>::param_type::probabilities() const { + size_t __n = __p_.size(); + vector<double> __p(__n + 1); + std::adjacent_difference(__p_.begin(), __p_.end(), __p.begin()); + if (__n > 0) + __p[__n] = 1 - __p_[__n - 1]; + else + __p[0] = 1; + return __p; } -template<class _IntType> -template<class _URNG> -_IntType -discrete_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - uniform_real_distribution<double> __gen; - return static_cast<_IntType>( - std::upper_bound(__p.__p_.begin(), __p.__p_.end(), __gen(__g)) - - __p.__p_.begin()); +template <class _IntType> +template <class _URNG> +_IntType discrete_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + uniform_real_distribution<double> __gen; + return static_cast<_IntType>(std::upper_bound(__p.__p_.begin(), __p.__p_.end(), __gen(__g)) - __p.__p_.begin()); } template <class _CharT, class _Traits, class _IT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const discrete_distribution<_IT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - size_t __n = __x.__p_.__p_.size(); - __os << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__p_[__i]; - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const discrete_distribution<_IT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + size_t __n = __x.__p_.__p_.size(); + __os << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__p_[__i]; + return __os; } template <class _CharT, class _Traits, class _IT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - discrete_distribution<_IT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - size_t __n; - __is >> __n; - vector<double> __p(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __p[__i]; - if (!__is.fail()) - swap(__x.__p_.__p_, __p); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, discrete_distribution<_IT>& __x) { + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + size_t __n; + __is >> __n; + vector<double> __p(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __p[__i]; + if (!__is.fail()) + swap(__x.__p_.__p_, __p); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/exponential_distribution.h b/contrib/llvm-project/libcxx/include/__random/exponential_distribution.h index e9df4de90e74..e0e38841172f 100644 --- a/contrib/llvm-project/libcxx/include/__random/exponential_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/exponential_distribution.h @@ -26,132 +26,103 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS exponential_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS exponential_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; + // types + typedef _RealType result_type; - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __lambda_; - public: - typedef exponential_distribution distribution_type; + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __lambda_; - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __lambda = 1) : __lambda_(__lambda) {} + public: + typedef exponential_distribution distribution_type; - _LIBCPP_HIDE_FROM_ABI - result_type lambda() const {return __lambda_;} + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __lambda = 1) : __lambda_(__lambda) {} - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__lambda_ == __y.__lambda_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + _LIBCPP_HIDE_FROM_ABI result_type lambda() const { return __lambda_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__lambda_ == __y.__lambda_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - exponential_distribution() : exponential_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit exponential_distribution(result_type __lambda) - : __p_(param_type(__lambda)) {} + _LIBCPP_HIDE_FROM_ABI exponential_distribution() : exponential_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit exponential_distribution(result_type __lambda) : __p_(param_type(__lambda)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit exponential_distribution(result_type __lambda = 1) - : __p_(param_type(__lambda)) {} + _LIBCPP_HIDE_FROM_ABI explicit exponential_distribution(result_type __lambda = 1) : __p_(param_type(__lambda)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit exponential_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type lambda() const {return __p_.lambda();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const exponential_distribution& __x, - const exponential_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const exponential_distribution& __x, - const exponential_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit exponential_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type lambda() const { return __p_.lambda(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const exponential_distribution& __x, const exponential_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const exponential_distribution& __x, const exponential_distribution& __y) { + return !(__x == __y); + } }; template <class _RealType> -template<class _URNG> -_RealType -exponential_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - return -std::log - ( - result_type(1) - - std::generate_canonical<result_type, - numeric_limits<result_type>::digits>(__g) - ) - / __p.lambda(); +template <class _URNG> +_RealType exponential_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + return -std::log(result_type(1) - std::generate_canonical<result_type, numeric_limits<result_type>::digits>(__g)) / + __p.lambda(); } template <class _CharT, class _Traits, class _RealType> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const exponential_distribution<_RealType>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - return __os << __x.lambda(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const exponential_distribution<_RealType>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + return __os << __x.lambda(); } template <class _CharT, class _Traits, class _RealType> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - exponential_distribution<_RealType>& __x) -{ - typedef exponential_distribution<_RealType> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __lambda; - __is >> __lambda; - if (!__is.fail()) - __x.param(param_type(__lambda)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, exponential_distribution<_RealType>& __x) { + typedef exponential_distribution<_RealType> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __lambda; + __is >> __lambda; + if (!__is.fail()) + __x.param(param_type(__lambda)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/extreme_value_distribution.h b/contrib/llvm-project/libcxx/include/__random/extreme_value_distribution.h index f8f18ebf7896..5505f93274f5 100644 --- a/contrib/llvm-project/libcxx/include/__random/extreme_value_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/extreme_value_distribution.h @@ -25,139 +25,111 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS extreme_value_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS extreme_value_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __a_; - result_type __b_; - public: - typedef extreme_value_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __a = 0, result_type __b = 1) - : __a_(__a), __b_(__b) {} - - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __a_;} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __b_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __a_; + result_type __b_; + + public: + typedef extreme_value_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 0, result_type __b = 1) : __a_(__a), __b_(__b) {} + + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __a_; } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __b_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - extreme_value_distribution() : extreme_value_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI - explicit extreme_value_distribution(result_type __a, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI extreme_value_distribution() : extreme_value_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit extreme_value_distribution(result_type __a, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit extreme_value_distribution(result_type __a = 0, - result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI explicit extreme_value_distribution(result_type __a = 0, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit extreme_value_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __p_.a();} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __p_.b();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return -numeric_limits<result_type>::infinity();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const extreme_value_distribution& __x, - const extreme_value_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const extreme_value_distribution& __x, - const extreme_value_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit extreme_value_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __p_.a(); } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __p_.b(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return -numeric_limits<result_type>::infinity(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const extreme_value_distribution& __x, const extreme_value_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const extreme_value_distribution& __x, const extreme_value_distribution& __y) { + return !(__x == __y); + } }; -template<class _RealType> -template<class _URNG> -_RealType -extreme_value_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - return __p.a() - __p.b() * - std::log(-std::log(1-uniform_real_distribution<result_type>()(__g))); +template <class _RealType> +template <class _URNG> +_RealType extreme_value_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + return __p.a() - __p.b() * std::log(-std::log(1 - uniform_real_distribution<result_type>()(__g))); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const extreme_value_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.a() << __sp << __x.b(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const extreme_value_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.a() << __sp << __x.b(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - extreme_value_distribution<_RT>& __x) -{ - typedef extreme_value_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __a; - result_type __b; - __is >> __a >> __b; - if (!__is.fail()) - __x.param(param_type(__a, __b)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, extreme_value_distribution<_RT>& __x) { + typedef extreme_value_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __a; + result_type __b; + __is >> __a >> __b; + if (!__is.fail()) + __x.param(param_type(__a, __b)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/fisher_f_distribution.h b/contrib/llvm-project/libcxx/include/__random/fisher_f_distribution.h index 8da689a3b0f4..cd170b3af388 100644 --- a/contrib/llvm-project/libcxx/include/__random/fisher_f_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/fisher_f_distribution.h @@ -24,139 +24,111 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS fisher_f_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS fisher_f_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __m_; - result_type __n_; - public: - typedef fisher_f_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __m = 1, result_type __n = 1) - : __m_(__m), __n_(__n) {} - - _LIBCPP_HIDE_FROM_ABI - result_type m() const {return __m_;} - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __n_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__m_ == __y.__m_ && __x.__n_ == __y.__n_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __m_; + result_type __n_; + + public: + typedef fisher_f_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __m = 1, result_type __n = 1) : __m_(__m), __n_(__n) {} + + _LIBCPP_HIDE_FROM_ABI result_type m() const { return __m_; } + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __n_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__m_ == __y.__m_ && __x.__n_ == __y.__n_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - fisher_f_distribution() : fisher_f_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit fisher_f_distribution(result_type __m, result_type __n = 1) - : __p_(param_type(__m, __n)) {} + _LIBCPP_HIDE_FROM_ABI fisher_f_distribution() : fisher_f_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit fisher_f_distribution(result_type __m, result_type __n = 1) + : __p_(param_type(__m, __n)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit fisher_f_distribution(result_type __m = 1, result_type __n = 1) - : __p_(param_type(__m, __n)) {} + _LIBCPP_HIDE_FROM_ABI explicit fisher_f_distribution(result_type __m = 1, result_type __n = 1) + : __p_(param_type(__m, __n)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit fisher_f_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type m() const {return __p_.m();} - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __p_.n();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const fisher_f_distribution& __x, - const fisher_f_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const fisher_f_distribution& __x, - const fisher_f_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit fisher_f_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type m() const { return __p_.m(); } + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __p_.n(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const fisher_f_distribution& __x, const fisher_f_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const fisher_f_distribution& __x, const fisher_f_distribution& __y) { + return !(__x == __y); + } }; template <class _RealType> -template<class _URNG> -_RealType -fisher_f_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - gamma_distribution<result_type> __gdm(__p.m() * result_type(.5)); - gamma_distribution<result_type> __gdn(__p.n() * result_type(.5)); - return __p.n() * __gdm(__g) / (__p.m() * __gdn(__g)); +template <class _URNG> +_RealType fisher_f_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + gamma_distribution<result_type> __gdm(__p.m() * result_type(.5)); + gamma_distribution<result_type> __gdn(__p.n() * result_type(.5)); + return __p.n() * __gdm(__g) / (__p.m() * __gdn(__g)); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const fisher_f_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.m() << __sp << __x.n(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const fisher_f_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.m() << __sp << __x.n(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - fisher_f_distribution<_RT>& __x) -{ - typedef fisher_f_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __m; - result_type __n; - __is >> __m >> __n; - if (!__is.fail()) - __x.param(param_type(__m, __n)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, fisher_f_distribution<_RT>& __x) { + typedef fisher_f_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __m; + result_type __n; + __is >> __m >> __n; + if (!__is.fail()) + __x.param(param_type(__m, __n)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/gamma_distribution.h b/contrib/llvm-project/libcxx/include/__random/gamma_distribution.h index bdf8e141ece7..986e42c1c7f5 100644 --- a/contrib/llvm-project/libcxx/include/__random/gamma_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/gamma_distribution.h @@ -26,190 +26,152 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS gamma_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS gamma_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __alpha_; - result_type __beta_; - public: - typedef gamma_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __alpha = 1, result_type __beta = 1) - : __alpha_(__alpha), __beta_(__beta) {} - - _LIBCPP_HIDE_FROM_ABI - result_type alpha() const {return __alpha_;} - _LIBCPP_HIDE_FROM_ABI - result_type beta() const {return __beta_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__alpha_ == __y.__alpha_ && __x.__beta_ == __y.__beta_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __alpha_; + result_type __beta_; + + public: + typedef gamma_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __alpha = 1, result_type __beta = 1) + : __alpha_(__alpha), __beta_(__beta) {} + + _LIBCPP_HIDE_FROM_ABI result_type alpha() const { return __alpha_; } + _LIBCPP_HIDE_FROM_ABI result_type beta() const { return __beta_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__alpha_ == __y.__alpha_ && __x.__beta_ == __y.__beta_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - gamma_distribution() : gamma_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit gamma_distribution(result_type __alpha, result_type __beta = 1) - : __p_(param_type(__alpha, __beta)) {} + _LIBCPP_HIDE_FROM_ABI gamma_distribution() : gamma_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit gamma_distribution(result_type __alpha, result_type __beta = 1) + : __p_(param_type(__alpha, __beta)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit gamma_distribution(result_type __alpha = 1, - result_type __beta = 1) - : __p_(param_type(__alpha, __beta)) {} + _LIBCPP_HIDE_FROM_ABI explicit gamma_distribution(result_type __alpha = 1, result_type __beta = 1) + : __p_(param_type(__alpha, __beta)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit gamma_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type alpha() const {return __p_.alpha();} - _LIBCPP_HIDE_FROM_ABI - result_type beta() const {return __p_.beta();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const gamma_distribution& __x, - const gamma_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const gamma_distribution& __x, - const gamma_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit gamma_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type alpha() const { return __p_.alpha(); } + _LIBCPP_HIDE_FROM_ABI result_type beta() const { return __p_.beta(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const gamma_distribution& __x, const gamma_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const gamma_distribution& __x, const gamma_distribution& __y) { + return !(__x == __y); + } }; template <class _RealType> -template<class _URNG> -_RealType -gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - result_type __a = __p.alpha(); - uniform_real_distribution<result_type> __gen(0, 1); - exponential_distribution<result_type> __egen; - result_type __x; - if (__a == 1) - __x = __egen(__g); - else if (__a > 1) - { - const result_type __b = __a - 1; - const result_type __c = 3 * __a - result_type(0.75); - while (true) - { - const result_type __u = __gen(__g); - const result_type __v = __gen(__g); - const result_type __w = __u * (1 - __u); - if (__w != 0) - { - const result_type __y = std::sqrt(__c / __w) * - (__u - result_type(0.5)); - __x = __b + __y; - if (__x >= 0) - { - const result_type __z = 64 * __w * __w * __w * __v * __v; - if (__z <= 1 - 2 * __y * __y / __x) - break; - if (std::log(__z) <= 2 * (__b * std::log(__x / __b) - __y)) - break; - } - } +template <class _URNG> +_RealType gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + result_type __a = __p.alpha(); + uniform_real_distribution<result_type> __gen(0, 1); + exponential_distribution<result_type> __egen; + result_type __x; + if (__a == 1) + __x = __egen(__g); + else if (__a > 1) { + const result_type __b = __a - 1; + const result_type __c = 3 * __a - result_type(0.75); + while (true) { + const result_type __u = __gen(__g); + const result_type __v = __gen(__g); + const result_type __w = __u * (1 - __u); + if (__w != 0) { + const result_type __y = std::sqrt(__c / __w) * (__u - result_type(0.5)); + __x = __b + __y; + if (__x >= 0) { + const result_type __z = 64 * __w * __w * __w * __v * __v; + if (__z <= 1 - 2 * __y * __y / __x) + break; + if (std::log(__z) <= 2 * (__b * std::log(__x / __b) - __y)) + break; } + } } - else // __a < 1 - { - while (true) - { - const result_type __u = __gen(__g); - const result_type __es = __egen(__g); - if (__u <= 1 - __a) - { - __x = std::pow(__u, 1 / __a); - if (__x <= __es) - break; - } - else - { - const result_type __e = -std::log((1-__u)/__a); - __x = std::pow(1 - __a + __a * __e, 1 / __a); - if (__x <= __e + __es) - break; - } - } + } else // __a < 1 + { + while (true) { + const result_type __u = __gen(__g); + const result_type __es = __egen(__g); + if (__u <= 1 - __a) { + __x = std::pow(__u, 1 / __a); + if (__x <= __es) + break; + } else { + const result_type __e = -std::log((1 - __u) / __a); + __x = std::pow(1 - __a + __a * __e, 1 / __a); + if (__x <= __e + __es) + break; + } } - return __x * __p.beta(); + } + return __x * __p.beta(); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const gamma_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.alpha() << __sp << __x.beta(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const gamma_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.alpha() << __sp << __x.beta(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - gamma_distribution<_RT>& __x) -{ - typedef gamma_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __alpha; - result_type __beta; - __is >> __alpha >> __beta; - if (!__is.fail()) - __x.param(param_type(__alpha, __beta)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, gamma_distribution<_RT>& __x) { + typedef gamma_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __alpha; + result_type __beta; + __is >> __alpha >> __beta; + if (!__is.fail()) + __x.param(param_type(__alpha, __beta)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/generate_canonical.h b/contrib/llvm-project/libcxx/include/__random/generate_canonical.h index 5f0aa6fd850b..738de1517e28 100644 --- a/contrib/llvm-project/libcxx/include/__random/generate_canonical.h +++ b/contrib/llvm-project/libcxx/include/__random/generate_canonical.h @@ -26,24 +26,22 @@ _LIBCPP_BEGIN_NAMESPACE_STD // generate_canonical -template<class _RealType, size_t __bits, class _URNG> -_LIBCPP_HIDE_FROM_ABI _RealType -generate_canonical(_URNG& __g) -{ - const size_t __dt = numeric_limits<_RealType>::digits; - const size_t __b = __dt < __bits ? __dt : __bits; +template <class _RealType, size_t __bits, class _URNG> +_LIBCPP_HIDE_FROM_ABI _RealType generate_canonical(_URNG& __g) { + const size_t __dt = numeric_limits<_RealType>::digits; + const size_t __b = __dt < __bits ? __dt : __bits; #ifdef _LIBCPP_CXX03_LANG - const size_t __log_r = __log2<uint64_t, _URNG::_Max - _URNG::_Min + uint64_t(1)>::value; + const size_t __log_r = __log2<uint64_t, _URNG::_Max - _URNG::_Min + uint64_t(1)>::value; #else - const size_t __log_r = __log2<uint64_t, _URNG::max() - _URNG::min() + uint64_t(1)>::value; + const size_t __log_r = __log2<uint64_t, _URNG::max() - _URNG::min() + uint64_t(1)>::value; #endif - const size_t __k = __b / __log_r + (__b % __log_r != 0) + (__b == 0); - const _RealType __rp = static_cast<_RealType>(_URNG::max() - _URNG::min()) + _RealType(1); - _RealType __base = __rp; - _RealType __sp = __g() - _URNG::min(); - for (size_t __i = 1; __i < __k; ++__i, __base *= __rp) - __sp += (__g() - _URNG::min()) * __base; - return __sp / __base; + const size_t __k = __b / __log_r + (__b % __log_r != 0) + (__b == 0); + const _RealType __rp = static_cast<_RealType>(_URNG::max() - _URNG::min()) + _RealType(1); + _RealType __base = __rp; + _RealType __sp = __g() - _URNG::min(); + for (size_t __i = 1; __i < __k; ++__i, __base *= __rp) + __sp += (__g() - _URNG::min()) * __base; + return __sp / __base; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/geometric_distribution.h b/contrib/llvm-project/libcxx/include/__random/geometric_distribution.h index 263193aebed6..cecd7e57cfa6 100644 --- a/contrib/llvm-project/libcxx/include/__random/geometric_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/geometric_distribution.h @@ -24,116 +24,93 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _IntType = int> -class _LIBCPP_TEMPLATE_VIS geometric_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); +template <class _IntType = int> +class _LIBCPP_TEMPLATE_VIS geometric_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); + public: - // types - typedef _IntType result_type; + // types + typedef _IntType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + double __p_; - class _LIBCPP_TEMPLATE_VIS param_type - { - double __p_; - public: - typedef geometric_distribution distribution_type; + public: + typedef geometric_distribution distribution_type; - _LIBCPP_HIDE_FROM_ABI - explicit param_type(double __p = 0.5) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI explicit param_type(double __p = 0.5) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_;} + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_; } - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - geometric_distribution() : geometric_distribution(0.5) {} - _LIBCPP_HIDE_FROM_ABI - explicit geometric_distribution(double __p) - : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI geometric_distribution() : geometric_distribution(0.5) {} + _LIBCPP_HIDE_FROM_ABI explicit geometric_distribution(double __p) : __p_(__p) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit geometric_distribution(double __p = 0.5) - : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI explicit geometric_distribution(double __p = 0.5) : __p_(__p) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit geometric_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g, const param_type& __p) - {return negative_binomial_distribution<result_type>(1, __p.p())(__g);} - - // property functions - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_.p();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::max();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const geometric_distribution& __x, - const geometric_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const geometric_distribution& __x, - const geometric_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit geometric_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p) { + return negative_binomial_distribution<result_type>(1, __p.p())(__g); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_.p(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::max(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const geometric_distribution& __x, const geometric_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const geometric_distribution& __x, const geometric_distribution& __y) { + return !(__x == __y); + } }; template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const geometric_distribution<_IntType>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - return __os << __x.p(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const geometric_distribution<_IntType>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + return __os << __x.p(); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - geometric_distribution<_IntType>& __x) -{ - typedef geometric_distribution<_IntType> _Eng; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - double __p; - __is >> __p; - if (!__is.fail()) - __x.param(param_type(__p)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, geometric_distribution<_IntType>& __x) { + typedef geometric_distribution<_IntType> _Eng; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + double __p; + __is >> __p; + if (!__is.fail()) + __x.param(param_type(__p)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/independent_bits_engine.h b/contrib/llvm-project/libcxx/include/__random/independent_bits_engine.h index b81fa49d3bde..0f4a7b82b98f 100644 --- a/contrib/llvm-project/libcxx/include/__random/independent_bits_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/independent_bits_engine.h @@ -30,225 +30,172 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _Engine, size_t __w, class _UIntType> -class _LIBCPP_TEMPLATE_VIS independent_bits_engine -{ - template <class _UInt, _UInt _R0, size_t _Wp, size_t _Mp> - class __get_n - { - static _LIBCPP_CONSTEXPR const size_t _Dt = numeric_limits<_UInt>::digits; - static _LIBCPP_CONSTEXPR const size_t _Np = _Wp / _Mp + (_Wp % _Mp != 0); - static _LIBCPP_CONSTEXPR const size_t _W0 = _Wp / _Np; - static _LIBCPP_CONSTEXPR const _UInt _Y0 = _W0 >= _Dt ? 0 : (_R0 >> _W0) << _W0; - public: - static _LIBCPP_CONSTEXPR const size_t value = _R0 - _Y0 > _Y0 / _Np ? _Np + 1 : _Np; - }; +template <class _Engine, size_t __w, class _UIntType> +class _LIBCPP_TEMPLATE_VIS independent_bits_engine { + template <class _UInt, _UInt _R0, size_t _Wp, size_t _Mp> + class __get_n { + static _LIBCPP_CONSTEXPR const size_t _Dt = numeric_limits<_UInt>::digits; + static _LIBCPP_CONSTEXPR const size_t _Np = _Wp / _Mp + (_Wp % _Mp != 0); + static _LIBCPP_CONSTEXPR const size_t _W0 = _Wp / _Np; + static _LIBCPP_CONSTEXPR const _UInt _Y0 = _W0 >= _Dt ? 0 : (_R0 >> _W0) << _W0; + + public: + static _LIBCPP_CONSTEXPR const size_t value = _R0 - _Y0 > _Y0 / _Np ? _Np + 1 : _Np; + }; + public: - // types - typedef _UIntType result_type; + // types + typedef _UIntType result_type; private: - _Engine __e_; + _Engine __e_; - static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; - static_assert( 0 < __w, "independent_bits_engine invalid parameters"); - static_assert(__w <= _Dt, "independent_bits_engine invalid parameters"); + static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; + static_assert(0 < __w, "independent_bits_engine invalid parameters"); + static_assert(__w <= _Dt, "independent_bits_engine invalid parameters"); - typedef typename _Engine::result_type _Engine_result_type; - typedef __conditional_t<sizeof(_Engine_result_type) <= sizeof(result_type), result_type, _Engine_result_type> - _Working_result_type; + typedef typename _Engine::result_type _Engine_result_type; + typedef __conditional_t<sizeof(_Engine_result_type) <= sizeof(result_type), result_type, _Engine_result_type> + _Working_result_type; #ifdef _LIBCPP_CXX03_LANG - static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min - + _Working_result_type(1); + static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min + _Working_result_type(1); #else - static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() - + _Working_result_type(1); + static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() + _Working_result_type(1); #endif - static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; - static _LIBCPP_CONSTEXPR const size_t __n = __get_n<_Working_result_type, _Rp, __w, __m>::value; - static _LIBCPP_CONSTEXPR const size_t __w0 = __w / __n; - static _LIBCPP_CONSTEXPR const size_t __n0 = __n - __w % __n; - static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; - static _LIBCPP_CONSTEXPR const size_t _EDt = numeric_limits<_Engine_result_type>::digits; - static _LIBCPP_CONSTEXPR const _Working_result_type __y0 = __w0 >= _WDt ? 0 : - (_Rp >> __w0) << __w0; - static _LIBCPP_CONSTEXPR const _Working_result_type __y1 = __w0 >= _WDt - 1 ? 0 : - (_Rp >> (__w0+1)) << (__w0+1); - static _LIBCPP_CONSTEXPR const _Engine_result_type __mask0 = __w0 > 0 ? - _Engine_result_type(~0) >> (_EDt - __w0) : - _Engine_result_type(0); - static _LIBCPP_CONSTEXPR const _Engine_result_type __mask1 = __w0 < _EDt - 1 ? - _Engine_result_type(~0) >> (_EDt - (__w0 + 1)) : - _Engine_result_type(~0); + static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; + static _LIBCPP_CONSTEXPR const size_t __n = __get_n<_Working_result_type, _Rp, __w, __m>::value; + static _LIBCPP_CONSTEXPR const size_t __w0 = __w / __n; + static _LIBCPP_CONSTEXPR const size_t __n0 = __n - __w % __n; + static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; + static _LIBCPP_CONSTEXPR const size_t _EDt = numeric_limits<_Engine_result_type>::digits; + static _LIBCPP_CONSTEXPR const _Working_result_type __y0 = __w0 >= _WDt ? 0 : (_Rp >> __w0) << __w0; + static _LIBCPP_CONSTEXPR const _Working_result_type __y1 = __w0 >= _WDt - 1 ? 0 : (_Rp >> (__w0 + 1)) << (__w0 + 1); + static _LIBCPP_CONSTEXPR const + _Engine_result_type __mask0 = __w0 > 0 ? _Engine_result_type(~0) >> (_EDt - __w0) : _Engine_result_type(0); + static _LIBCPP_CONSTEXPR const _Engine_result_type __mask1 = + __w0 < _EDt - 1 ? _Engine_result_type(~0) >> (_EDt - (__w0 + 1)) : _Engine_result_type(~0); + public: - static _LIBCPP_CONSTEXPR const result_type _Min = 0; - static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : - (result_type(1) << __w) - result_type(1); - static_assert(_Min < _Max, "independent_bits_engine invalid parameters"); - - // engine characteristics - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Min; } - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Max; } - - // constructors and seeding functions - _LIBCPP_HIDE_FROM_ABI - independent_bits_engine() {} - _LIBCPP_HIDE_FROM_ABI - explicit independent_bits_engine(const _Engine& __e) - : __e_(__e) {} + static _LIBCPP_CONSTEXPR const result_type _Min = 0; + static _LIBCPP_CONSTEXPR const result_type _Max = + __w == _Dt ? result_type(~0) : (result_type(1) << __w) - result_type(1); + static_assert(_Min < _Max, "independent_bits_engine invalid parameters"); + + // engine characteristics + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + + // constructors and seeding functions + _LIBCPP_HIDE_FROM_ABI independent_bits_engine() {} + _LIBCPP_HIDE_FROM_ABI explicit independent_bits_engine(const _Engine& __e) : __e_(__e) {} #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit independent_bits_engine(_Engine&& __e) - : __e_(std::move(__e)) {} + _LIBCPP_HIDE_FROM_ABI explicit independent_bits_engine(_Engine&& __e) : __e_(std::move(__e)) {} #endif // _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit independent_bits_engine(result_type __sd) : __e_(__sd) {} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, independent_bits_engine>::value && - !is_convertible<_Sseq, _Engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit independent_bits_engine(_Sseq& __q) - : __e_(__q) {} - _LIBCPP_HIDE_FROM_ABI - void seed() {__e_.seed();} - _LIBCPP_HIDE_FROM_ABI - void seed(result_type __sd) {__e_.seed(__sd);} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, independent_bits_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) {__e_.seed(__q);} - - // generating functions - _LIBCPP_HIDE_FROM_ABI - result_type operator()() {return __eval(integral_constant<bool, _Rp != 0>());} - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - // property functions - _LIBCPP_HIDE_FROM_ABI - const _Engine& base() const _NOEXCEPT {return __e_;} - - template<class _Eng, size_t _Wp, class _UInt> - friend - bool - operator==( - const independent_bits_engine<_Eng, _Wp, _UInt>& __x, - const independent_bits_engine<_Eng, _Wp, _UInt>& __y); - - template<class _Eng, size_t _Wp, class _UInt> - friend - bool - operator!=( - const independent_bits_engine<_Eng, _Wp, _UInt>& __x, - const independent_bits_engine<_Eng, _Wp, _UInt>& __y); - - template <class _CharT, class _Traits, - class _Eng, size_t _Wp, class _UInt> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const independent_bits_engine<_Eng, _Wp, _UInt>& __x); - - template <class _CharT, class _Traits, - class _Eng, size_t _Wp, class _UInt> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - independent_bits_engine<_Eng, _Wp, _UInt>& __x); + _LIBCPP_HIDE_FROM_ABI explicit independent_bits_engine(result_type __sd) : __e_(__sd) {} + template < + class _Sseq, + __enable_if_t<__is_seed_sequence<_Sseq, independent_bits_engine>::value && !is_convertible<_Sseq, _Engine>::value, + int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit independent_bits_engine(_Sseq& __q) : __e_(__q) {} + _LIBCPP_HIDE_FROM_ABI void seed() { __e_.seed(); } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd) { __e_.seed(__sd); } + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, independent_bits_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __e_.seed(__q); + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()() { return __eval(integral_constant<bool, _Rp != 0>()); } + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI const _Engine& base() const _NOEXCEPT { return __e_; } + + template <class _Eng, size_t _Wp, class _UInt> + friend bool operator==(const independent_bits_engine<_Eng, _Wp, _UInt>& __x, + const independent_bits_engine<_Eng, _Wp, _UInt>& __y); + + template <class _Eng, size_t _Wp, class _UInt> + friend bool operator!=(const independent_bits_engine<_Eng, _Wp, _UInt>& __x, + const independent_bits_engine<_Eng, _Wp, _UInt>& __y); + + template <class _CharT, class _Traits, class _Eng, size_t _Wp, class _UInt> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const independent_bits_engine<_Eng, _Wp, _UInt>& __x); + + template <class _CharT, class _Traits, class _Eng, size_t _Wp, class _UInt> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, independent_bits_engine<_Eng, _Wp, _UInt>& __x); private: - _LIBCPP_HIDE_FROM_ABI - result_type __eval(false_type); - _LIBCPP_HIDE_FROM_ABI result_type __eval(true_type); - - template <size_t __count, __enable_if_t<__count < _Dt, int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __lshift(result_type __x) {return __x << __count;} - - template <size_t __count, __enable_if_t<(__count >= _Dt), int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __lshift(result_type) {return result_type(0);} + _LIBCPP_HIDE_FROM_ABI result_type __eval(false_type); + _LIBCPP_HIDE_FROM_ABI result_type __eval(true_type); + + template <size_t __count, + __enable_if_t<__count< _Dt, int> = 0> _LIBCPP_HIDE_FROM_ABI static result_type __lshift(result_type __x) { + return __x << __count; + } + + template <size_t __count, __enable_if_t<(__count >= _Dt), int> = 0> + _LIBCPP_HIDE_FROM_ABI static result_type __lshift(result_type) { + return result_type(0); + } }; -template<class _Engine, size_t __w, class _UIntType> -inline -_UIntType -independent_bits_engine<_Engine, __w, _UIntType>::__eval(false_type) -{ - return static_cast<result_type>(__e_() & __mask0); +template <class _Engine, size_t __w, class _UIntType> +inline _UIntType independent_bits_engine<_Engine, __w, _UIntType>::__eval(false_type) { + return static_cast<result_type>(__e_() & __mask0); } -template<class _Engine, size_t __w, class _UIntType> -_UIntType -independent_bits_engine<_Engine, __w, _UIntType>::__eval(true_type) -{ - result_type __sp = 0; - for (size_t __k = 0; __k < __n0; ++__k) - { - _Engine_result_type __u; - do - { - __u = __e_() - _Engine::min(); - } while (__u >= __y0); - __sp = static_cast<result_type>(__lshift<__w0>(__sp) + (__u & __mask0)); - } - for (size_t __k = __n0; __k < __n; ++__k) - { - _Engine_result_type __u; - do - { - __u = __e_() - _Engine::min(); - } while (__u >= __y1); - __sp = static_cast<result_type>(__lshift<__w0+1>(__sp) + (__u & __mask1)); - } - return __sp; +template <class _Engine, size_t __w, class _UIntType> +_UIntType independent_bits_engine<_Engine, __w, _UIntType>::__eval(true_type) { + result_type __sp = 0; + for (size_t __k = 0; __k < __n0; ++__k) { + _Engine_result_type __u; + do { + __u = __e_() - _Engine::min(); + } while (__u >= __y0); + __sp = static_cast<result_type>(__lshift<__w0>(__sp) + (__u & __mask0)); + } + for (size_t __k = __n0; __k < __n; ++__k) { + _Engine_result_type __u; + do { + __u = __e_() - _Engine::min(); + } while (__u >= __y1); + __sp = static_cast<result_type>(__lshift<__w0 + 1>(__sp) + (__u & __mask1)); + } + return __sp; } -template<class _Eng, size_t _Wp, class _UInt> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator==( - const independent_bits_engine<_Eng, _Wp, _UInt>& __x, - const independent_bits_engine<_Eng, _Wp, _UInt>& __y) -{ - return __x.base() == __y.base(); +template <class _Eng, size_t _Wp, class _UInt> +inline _LIBCPP_HIDE_FROM_ABI bool +operator==(const independent_bits_engine<_Eng, _Wp, _UInt>& __x, const independent_bits_engine<_Eng, _Wp, _UInt>& __y) { + return __x.base() == __y.base(); } -template<class _Eng, size_t _Wp, class _UInt> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=( - const independent_bits_engine<_Eng, _Wp, _UInt>& __x, - const independent_bits_engine<_Eng, _Wp, _UInt>& __y) -{ - return !(__x == __y); +template <class _Eng, size_t _Wp, class _UInt> +inline _LIBCPP_HIDE_FROM_ABI bool +operator!=(const independent_bits_engine<_Eng, _Wp, _UInt>& __x, const independent_bits_engine<_Eng, _Wp, _UInt>& __y) { + return !(__x == __y); } -template <class _CharT, class _Traits, - class _Eng, size_t _Wp, class _UInt> +template <class _CharT, class _Traits, class _Eng, size_t _Wp, class _UInt> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const independent_bits_engine<_Eng, _Wp, _UInt>& __x) -{ - return __os << __x.base(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const independent_bits_engine<_Eng, _Wp, _UInt>& __x) { + return __os << __x.base(); } -template <class _CharT, class _Traits, - class _Eng, size_t _Wp, class _UInt> +template <class _CharT, class _Traits, class _Eng, size_t _Wp, class _UInt> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - independent_bits_engine<_Eng, _Wp, _UInt>& __x) -{ - _Eng __e; - __is >> __e; - if (!__is.fail()) - __x.__e_ = __e; - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, independent_bits_engine<_Eng, _Wp, _UInt>& __x) { + _Eng __e; + __is >> __e; + if (!__is.fail()) + __x.__e_ = __e; + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h b/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h index 06621c3cee0d..c7171cff2eda 100644 --- a/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h +++ b/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h @@ -21,11 +21,9 @@ _LIBCPP_BEGIN_NAMESPACE_STD template <class _Sseq, class _Engine> -struct __is_seed_sequence -{ - static _LIBCPP_CONSTEXPR const bool value = - !is_convertible<_Sseq, typename _Engine::result_type>::value && - !is_same<__remove_cv_t<_Sseq>, _Engine>::value; +struct __is_seed_sequence { + static _LIBCPP_CONSTEXPR const bool value = + !is_convertible<_Sseq, typename _Engine::result_type>::value && !is_same<__remove_cv_t<_Sseq>, _Engine>::value; }; _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/is_valid.h b/contrib/llvm-project/libcxx/include/__random/is_valid.h index bde4733099d6..a3e0f143ae86 100644 --- a/contrib/llvm-project/libcxx/include/__random/is_valid.h +++ b/contrib/llvm-project/libcxx/include/__random/is_valid.h @@ -43,22 +43,35 @@ struct __libcpp_random_is_valid_realtype<long double> : true_type {}; // cv-unqualified and is one of short, int, long, long long, unsigned short, // unsigned int, unsigned long, or unsigned long long. -template<class> struct __libcpp_random_is_valid_inttype : false_type {}; -template<> struct __libcpp_random_is_valid_inttype<int8_t> : true_type {}; // extension -template<> struct __libcpp_random_is_valid_inttype<short> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<int> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<long> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<long long> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<uint8_t> : true_type {}; // extension -template<> struct __libcpp_random_is_valid_inttype<unsigned short> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<unsigned int> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<unsigned long> : true_type {}; -template<> struct __libcpp_random_is_valid_inttype<unsigned long long> : true_type {}; +template <class> +struct __libcpp_random_is_valid_inttype : false_type {}; +template <> +struct __libcpp_random_is_valid_inttype<int8_t> : true_type {}; // extension +template <> +struct __libcpp_random_is_valid_inttype<short> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<int> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<long> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<long long> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<uint8_t> : true_type {}; // extension +template <> +struct __libcpp_random_is_valid_inttype<unsigned short> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<unsigned int> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<unsigned long> : true_type {}; +template <> +struct __libcpp_random_is_valid_inttype<unsigned long long> : true_type {}; #ifndef _LIBCPP_HAS_NO_INT128 -template<> struct __libcpp_random_is_valid_inttype<__int128_t> : true_type {}; // extension -template<> struct __libcpp_random_is_valid_inttype<__uint128_t> : true_type {}; // extension -#endif // _LIBCPP_HAS_NO_INT128 +template <> +struct __libcpp_random_is_valid_inttype<__int128_t> : true_type {}; // extension +template <> +struct __libcpp_random_is_valid_inttype<__uint128_t> : true_type {}; // extension +#endif // _LIBCPP_HAS_NO_INT128 // [rand.req.urng]/3: // A class G meets the uniform random bit generator requirements if G models @@ -68,11 +81,13 @@ template<> struct __libcpp_random_is_valid_inttype<__uint128_t> : true_type {}; // (In particular, reject URNGs with signed result_types; our distributions cannot // handle such generator types.) -template<class, class = void> struct __libcpp_random_is_valid_urng : false_type {}; -template<class _Gp> struct __libcpp_random_is_valid_urng<_Gp, __enable_if_t< - is_unsigned<typename _Gp::result_type>::value && - _IsSame<decltype(std::declval<_Gp&>()()), typename _Gp::result_type>::value -> > : true_type {}; +template <class, class = void> +struct __libcpp_random_is_valid_urng : false_type {}; +template <class _Gp> +struct __libcpp_random_is_valid_urng< + _Gp, + __enable_if_t< is_unsigned<typename _Gp::result_type>::value && + _IsSame<decltype(std::declval<_Gp&>()()), typename _Gp::result_type>::value > > : true_type {}; _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/linear_congruential_engine.h b/contrib/llvm-project/libcxx/include/__random/linear_congruential_engine.h index 9a4013ec8550..51f6b248d8f9 100644 --- a/contrib/llvm-project/libcxx/include/__random/linear_congruential_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/linear_congruential_engine.h @@ -26,367 +26,298 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template <unsigned long long __a, unsigned long long __c, - unsigned long long __m, unsigned long long _Mp, - bool _MightOverflow = (__a != 0 && __m != 0 && __m-1 > (_Mp-__c)/__a), - bool _OverflowOK = ((__m | (__m-1)) > __m), // m = 2^n - bool _SchrageOK = (__a != 0 && __m != 0 && __m % __a <= __m / __a)> // r <= q -struct __lce_alg_picker -{ - static_assert(__a != 0 || __m != 0 || !_MightOverflow || _OverflowOK || _SchrageOK, - "The current values of a, c, and m cannot generate a number " - "within bounds of linear_congruential_engine."); - - static _LIBCPP_CONSTEXPR const bool __use_schrage = _MightOverflow && - !_OverflowOK && - _SchrageOK; +template <unsigned long long __a, + unsigned long long __c, + unsigned long long __m, + unsigned long long _Mp, + bool _MightOverflow = (__a != 0 && __m != 0 && __m - 1 > (_Mp - __c) / __a), + bool _OverflowOK = ((__m | (__m - 1)) > __m), // m = 2^n + bool _SchrageOK = (__a != 0 && __m != 0 && __m % __a <= __m / __a)> // r <= q +struct __lce_alg_picker { + static_assert(__a != 0 || __m != 0 || !_MightOverflow || _OverflowOK || _SchrageOK, + "The current values of a, c, and m cannot generate a number " + "within bounds of linear_congruential_engine."); + + static _LIBCPP_CONSTEXPR const bool __use_schrage = _MightOverflow && !_OverflowOK && _SchrageOK; }; -template <unsigned long long __a, unsigned long long __c, - unsigned long long __m, unsigned long long _Mp, +template <unsigned long long __a, + unsigned long long __c, + unsigned long long __m, + unsigned long long _Mp, bool _UseSchrage = __lce_alg_picker<__a, __c, __m, _Mp>::__use_schrage> struct __lce_ta; // 64 template <unsigned long long __a, unsigned long long __c, unsigned long long __m> -struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), true> -{ - typedef unsigned long long result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - // Schrage's algorithm - const result_type __q = __m / __a; - const result_type __r = __m % __a; - const result_type __t0 = __a * (__x % __q); - const result_type __t1 = __r * (__x / __q); - __x = __t0 + (__t0 < __t1) * __m - __t1; - __x += __c - (__x >= __m - __c) * __m; - return __x; - } +struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), true> { + typedef unsigned long long result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + // Schrage's algorithm + const result_type __q = __m / __a; + const result_type __r = __m % __a; + const result_type __t0 = __a * (__x % __q); + const result_type __t1 = __r * (__x / __q); + __x = __t0 + (__t0 < __t1) * __m - __t1; + __x += __c - (__x >= __m - __c) * __m; + return __x; + } }; template <unsigned long long __a, unsigned long long __m> -struct __lce_ta<__a, 0, __m, (unsigned long long)(~0), true> -{ - typedef unsigned long long result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - // Schrage's algorithm - const result_type __q = __m / __a; - const result_type __r = __m % __a; - const result_type __t0 = __a * (__x % __q); - const result_type __t1 = __r * (__x / __q); - __x = __t0 + (__t0 < __t1) * __m - __t1; - return __x; - } +struct __lce_ta<__a, 0, __m, (unsigned long long)(~0), true> { + typedef unsigned long long result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + // Schrage's algorithm + const result_type __q = __m / __a; + const result_type __r = __m % __a; + const result_type __t0 = __a * (__x % __q); + const result_type __t1 = __r * (__x / __q); + __x = __t0 + (__t0 < __t1) * __m - __t1; + return __x; + } }; template <unsigned long long __a, unsigned long long __c, unsigned long long __m> -struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), false> -{ - typedef unsigned long long result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - return (__a * __x + __c) % __m; - } +struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), false> { + typedef unsigned long long result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { return (__a * __x + __c) % __m; } }; template <unsigned long long __a, unsigned long long __c> -struct __lce_ta<__a, __c, 0, (unsigned long long)(~0), false> -{ - typedef unsigned long long result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - return __a * __x + __c; - } +struct __lce_ta<__a, __c, 0, (unsigned long long)(~0), false> { + typedef unsigned long long result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { return __a * __x + __c; } }; // 32 template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> -struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), true> -{ - typedef unsigned result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - const result_type __a = static_cast<result_type>(_Ap); - const result_type __c = static_cast<result_type>(_Cp); - const result_type __m = static_cast<result_type>(_Mp); - // Schrage's algorithm - const result_type __q = __m / __a; - const result_type __r = __m % __a; - const result_type __t0 = __a * (__x % __q); - const result_type __t1 = __r * (__x / __q); - __x = __t0 + (__t0 < __t1) * __m - __t1; - __x += __c - (__x >= __m - __c) * __m; - return __x; - } +struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), true> { + typedef unsigned result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + const result_type __a = static_cast<result_type>(_Ap); + const result_type __c = static_cast<result_type>(_Cp); + const result_type __m = static_cast<result_type>(_Mp); + // Schrage's algorithm + const result_type __q = __m / __a; + const result_type __r = __m % __a; + const result_type __t0 = __a * (__x % __q); + const result_type __t1 = __r * (__x / __q); + __x = __t0 + (__t0 < __t1) * __m - __t1; + __x += __c - (__x >= __m - __c) * __m; + return __x; + } }; template <unsigned long long _Ap, unsigned long long _Mp> -struct __lce_ta<_Ap, 0, _Mp, unsigned(~0), true> -{ - typedef unsigned result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - const result_type __a = static_cast<result_type>(_Ap); - const result_type __m = static_cast<result_type>(_Mp); - // Schrage's algorithm - const result_type __q = __m / __a; - const result_type __r = __m % __a; - const result_type __t0 = __a * (__x % __q); - const result_type __t1 = __r * (__x / __q); - __x = __t0 + (__t0 < __t1) * __m - __t1; - return __x; - } +struct __lce_ta<_Ap, 0, _Mp, unsigned(~0), true> { + typedef unsigned result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + const result_type __a = static_cast<result_type>(_Ap); + const result_type __m = static_cast<result_type>(_Mp); + // Schrage's algorithm + const result_type __q = __m / __a; + const result_type __r = __m % __a; + const result_type __t0 = __a * (__x % __q); + const result_type __t1 = __r * (__x / __q); + __x = __t0 + (__t0 < __t1) * __m - __t1; + return __x; + } }; template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> -struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), false> -{ - typedef unsigned result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - const result_type __a = static_cast<result_type>(_Ap); - const result_type __c = static_cast<result_type>(_Cp); - const result_type __m = static_cast<result_type>(_Mp); - return (__a * __x + __c) % __m; - } +struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), false> { + typedef unsigned result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + const result_type __a = static_cast<result_type>(_Ap); + const result_type __c = static_cast<result_type>(_Cp); + const result_type __m = static_cast<result_type>(_Mp); + return (__a * __x + __c) % __m; + } }; template <unsigned long long _Ap, unsigned long long _Cp> -struct __lce_ta<_Ap, _Cp, 0, unsigned(~0), false> -{ - typedef unsigned result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - const result_type __a = static_cast<result_type>(_Ap); - const result_type __c = static_cast<result_type>(_Cp); - return __a * __x + __c; - } +struct __lce_ta<_Ap, _Cp, 0, unsigned(~0), false> { + typedef unsigned result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + const result_type __a = static_cast<result_type>(_Ap); + const result_type __c = static_cast<result_type>(_Cp); + return __a * __x + __c; + } }; // 16 template <unsigned long long __a, unsigned long long __c, unsigned long long __m, bool __b> -struct __lce_ta<__a, __c, __m, (unsigned short)(~0), __b> -{ - typedef unsigned short result_type; - _LIBCPP_HIDE_FROM_ABI - static result_type next(result_type __x) - { - return static_cast<result_type>(__lce_ta<__a, __c, __m, unsigned(~0)>::next(__x)); - } +struct __lce_ta<__a, __c, __m, (unsigned short)(~0), __b> { + typedef unsigned short result_type; + _LIBCPP_HIDE_FROM_ABI static result_type next(result_type __x) { + return static_cast<result_type>(__lce_ta<__a, __c, __m, unsigned(~0)>::next(__x)); + } }; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> class _LIBCPP_TEMPLATE_VIS linear_congruential_engine; -template <class _CharT, class _Traits, - class _Up, _Up _Ap, _Up _Cp, _Up _Np> -_LIBCPP_HIDE_FROM_ABI -basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); +template <class _CharT, class _Traits, class _Up, _Up _Ap, _Up _Cp, _Up _Np> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); -template <class _CharT, class _Traits, - class _Up, _Up _Ap, _Up _Cp, _Up _Np> +template <class _CharT, class _Traits, class _Up, _Up _Ap, _Up _Cp, _Up _Np> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); +operator>>(basic_istream<_CharT, _Traits>& __is, linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> -class _LIBCPP_TEMPLATE_VIS linear_congruential_engine -{ +class _LIBCPP_TEMPLATE_VIS linear_congruential_engine { public: - // types - typedef _UIntType result_type; + // types + typedef _UIntType result_type; private: - result_type __x_; + result_type __x_; - static _LIBCPP_CONSTEXPR const result_type _Mp = result_type(~0); + static _LIBCPP_CONSTEXPR const result_type _Mp = result_type(~0); + + static_assert(__m == 0 || __a < __m, "linear_congruential_engine invalid parameters"); + static_assert(__m == 0 || __c < __m, "linear_congruential_engine invalid parameters"); + static_assert(is_unsigned<_UIntType>::value, "_UIntType must be unsigned type"); - static_assert(__m == 0 || __a < __m, "linear_congruential_engine invalid parameters"); - static_assert(__m == 0 || __c < __m, "linear_congruential_engine invalid parameters"); - static_assert(is_unsigned<_UIntType>::value, "_UIntType must be unsigned type"); public: - static _LIBCPP_CONSTEXPR const result_type _Min = __c == 0u ? 1u : 0u; - static _LIBCPP_CONSTEXPR const result_type _Max = __m - _UIntType(1u); - static_assert(_Min < _Max, "linear_congruential_engine invalid parameters"); - - // engine characteristics - static _LIBCPP_CONSTEXPR const result_type multiplier = __a; - static _LIBCPP_CONSTEXPR const result_type increment = __c; - static _LIBCPP_CONSTEXPR const result_type modulus = __m; - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() {return _Min;} - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() {return _Max;} - static _LIBCPP_CONSTEXPR const result_type default_seed = 1u; - - // constructors and seeding functions + static _LIBCPP_CONSTEXPR const result_type _Min = __c == 0u ? 1u : 0u; + static _LIBCPP_CONSTEXPR const result_type _Max = __m - _UIntType(1u); + static_assert(_Min < _Max, "linear_congruential_engine invalid parameters"); + + // engine characteristics + static _LIBCPP_CONSTEXPR const result_type multiplier = __a; + static _LIBCPP_CONSTEXPR const result_type increment = __c; + static _LIBCPP_CONSTEXPR const result_type modulus = __m; + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + static _LIBCPP_CONSTEXPR const result_type default_seed = 1u; + + // constructors and seeding functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - linear_congruential_engine() : linear_congruential_engine(default_seed) {} - _LIBCPP_HIDE_FROM_ABI - explicit linear_congruential_engine(result_type __s) { seed(__s); } + _LIBCPP_HIDE_FROM_ABI linear_congruential_engine() : linear_congruential_engine(default_seed) {} + _LIBCPP_HIDE_FROM_ABI explicit linear_congruential_engine(result_type __s) { seed(__s); } #else - _LIBCPP_HIDE_FROM_ABI - explicit linear_congruential_engine(result_type __s = default_seed) { - seed(__s); - } + _LIBCPP_HIDE_FROM_ABI explicit linear_congruential_engine(result_type __s = default_seed) { seed(__s); } #endif - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, linear_congruential_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit linear_congruential_engine(_Sseq& __q) - {seed(__q);} - _LIBCPP_HIDE_FROM_ABI - void seed(result_type __s = default_seed) - {seed(integral_constant<bool, __m == 0>(), - integral_constant<bool, __c == 0>(), __s);} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, linear_congruential_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) - {__seed(__q, integral_constant<unsigned, - 1 + (__m == 0 ? (sizeof(result_type) * __CHAR_BIT__ - 1)/32 - : (__m > 0x100000000ull))>());} - - // generating functions - _LIBCPP_HIDE_FROM_ABI - result_type operator()() - {return __x_ = static_cast<result_type>(__lce_ta<__a, __c, __m, _Mp>::next(__x_));} - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const linear_congruential_engine& __x, - const linear_congruential_engine& __y) - {return __x.__x_ == __y.__x_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const linear_congruential_engine& __x, - const linear_congruential_engine& __y) - {return !(__x == __y);} + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, linear_congruential_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit linear_congruential_engine(_Sseq& __q) { + seed(__q); + } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __s = default_seed) { + seed(integral_constant<bool, __m == 0>(), integral_constant<bool, __c == 0>(), __s); + } + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, linear_congruential_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __seed( + __q, + integral_constant<unsigned, + 1 + (__m == 0 ? (sizeof(result_type) * __CHAR_BIT__ - 1) / 32 : (__m > 0x100000000ull))>()); + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()() { + return __x_ = static_cast<result_type>(__lce_ta<__a, __c, __m, _Mp>::next(__x_)); + } + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const linear_congruential_engine& __x, const linear_congruential_engine& __y) { + return __x.__x_ == __y.__x_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const linear_congruential_engine& __x, const linear_congruential_engine& __y) { + return !(__x == __y); + } private: - - _LIBCPP_HIDE_FROM_ABI - void seed(true_type, true_type, result_type __s) {__x_ = __s == 0 ? 1 : __s;} - _LIBCPP_HIDE_FROM_ABI - void seed(true_type, false_type, result_type __s) {__x_ = __s;} - _LIBCPP_HIDE_FROM_ABI - void seed(false_type, true_type, result_type __s) {__x_ = __s % __m == 0 ? - 1 : __s % __m;} - _LIBCPP_HIDE_FROM_ABI - void seed(false_type, false_type, result_type __s) {__x_ = __s % __m;} - - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); - - template <class _CharT, class _Traits, - class _Up, _Up _Ap, _Up _Cp, _Up _Np> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); - - template <class _CharT, class _Traits, - class _Up, _Up _Ap, _Up _Cp, _Up _Np> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); + _LIBCPP_HIDE_FROM_ABI void seed(true_type, true_type, result_type __s) { __x_ = __s == 0 ? 1 : __s; } + _LIBCPP_HIDE_FROM_ABI void seed(true_type, false_type, result_type __s) { __x_ = __s; } + _LIBCPP_HIDE_FROM_ABI void seed(false_type, true_type, result_type __s) { __x_ = __s % __m == 0 ? 1 : __s % __m; } + _LIBCPP_HIDE_FROM_ABI void seed(false_type, false_type, result_type __s) { __x_ = __s % __m; } + + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); + + template <class _CharT, class _Traits, class _Up, _Up _Ap, _Up _Cp, _Up _Np> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); + + template <class _CharT, class _Traits, class _Up, _Up _Ap, _Up _Cp, _Up _Np> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); }; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> - _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type +_LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type linear_congruential_engine<_UIntType, __a, __c, __m>::multiplier; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> - _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type +_LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type linear_congruential_engine<_UIntType, __a, __c, __m>::increment; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> - _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type +_LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type linear_congruential_engine<_UIntType, __a, __c, __m>::modulus; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> - _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type +_LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type linear_congruential_engine<_UIntType, __a, __c, __m>::default_seed; template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> -template<class _Sseq> -void -linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, - integral_constant<unsigned, 1>) -{ - const unsigned __k = 1; - uint32_t __ar[__k+3]; - __q.generate(__ar, __ar + __k + 3); - result_type __s = static_cast<result_type>(__ar[3] % __m); - __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; +template <class _Sseq> +void linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, integral_constant<unsigned, 1>) { + const unsigned __k = 1; + uint32_t __ar[__k + 3]; + __q.generate(__ar, __ar + __k + 3); + result_type __s = static_cast<result_type>(__ar[3] % __m); + __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; } template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> -template<class _Sseq> -void -linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, - integral_constant<unsigned, 2>) -{ - const unsigned __k = 2; - uint32_t __ar[__k+3]; - __q.generate(__ar, __ar + __k + 3); - result_type __s = static_cast<result_type>((__ar[3] + - ((uint64_t)__ar[4] << 32)) % __m); - __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; +template <class _Sseq> +void linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, integral_constant<unsigned, 2>) { + const unsigned __k = 2; + uint32_t __ar[__k + 3]; + __q.generate(__ar, __ar + __k + 3); + result_type __s = static_cast<result_type>((__ar[3] + ((uint64_t)__ar[4] << 32)) % __m); + __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; } -template <class _CharT, class _Traits, - class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> -inline _LIBCPP_HIDE_FROM_ABI -basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const linear_congruential_engine<_UIntType, __a, __c, __m>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - __os.fill(__os.widen(' ')); - return __os << __x.__x_; +template <class _CharT, class _Traits, class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> +inline _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const linear_congruential_engine<_UIntType, __a, __c, __m>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + __os.fill(__os.widen(' ')); + return __os << __x.__x_; } -template <class _CharT, class _Traits, - class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> +template <class _CharT, class _Traits, class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - linear_congruential_engine<_UIntType, __a, __c, __m>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - _UIntType __t; - __is >> __t; - if (!__is.fail()) - __x.__x_ = __t; - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, linear_congruential_engine<_UIntType, __a, __c, __m>& __x) { + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + _UIntType __t; + __is >> __t; + if (!__is.fail()) + __x.__x_ = __t; + return __is; } -typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> - minstd_rand0; -typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> - minstd_rand; +typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> minstd_rand0; +typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> minstd_rand; _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/log2.h b/contrib/llvm-project/libcxx/include/__random/log2.h index 4ccd1ddc9bf2..74b4889c6402 100644 --- a/contrib/llvm-project/libcxx/include/__random/log2.h +++ b/contrib/llvm-project/libcxx/include/__random/log2.h @@ -23,47 +23,42 @@ template <class _UIntType, _UIntType _Xp, size_t _Rp> struct __log2_imp; template <unsigned long long _Xp, size_t _Rp> -struct __log2_imp<unsigned long long, _Xp, _Rp> -{ - static const size_t value = _Xp & ((unsigned long long)(1) << _Rp) ? _Rp - : __log2_imp<unsigned long long, _Xp, _Rp - 1>::value; +struct __log2_imp<unsigned long long, _Xp, _Rp> { + static const size_t value = + _Xp & ((unsigned long long)(1) << _Rp) ? _Rp : __log2_imp<unsigned long long, _Xp, _Rp - 1>::value; }; template <unsigned long long _Xp> -struct __log2_imp<unsigned long long, _Xp, 0> -{ - static const size_t value = 0; +struct __log2_imp<unsigned long long, _Xp, 0> { + static const size_t value = 0; }; template <size_t _Rp> -struct __log2_imp<unsigned long long, 0, _Rp> -{ - static const size_t value = _Rp + 1; +struct __log2_imp<unsigned long long, 0, _Rp> { + static const size_t value = _Rp + 1; }; #ifndef _LIBCPP_HAS_NO_INT128 template <__uint128_t _Xp, size_t _Rp> -struct __log2_imp<__uint128_t, _Xp, _Rp> -{ - static const size_t value = (_Xp >> 64) - ? (64 + __log2_imp<unsigned long long, (_Xp >> 64), 63>::value) - : __log2_imp<unsigned long long, _Xp, 63>::value; +struct __log2_imp<__uint128_t, _Xp, _Rp> { + static const size_t value = + (_Xp >> 64) ? (64 + __log2_imp<unsigned long long, (_Xp >> 64), 63>::value) + : __log2_imp<unsigned long long, _Xp, 63>::value; }; #endif // _LIBCPP_HAS_NO_INT128 template <class _UIntType, _UIntType _Xp> -struct __log2 -{ - static const size_t value = __log2_imp< +struct __log2 { + static const size_t value = __log2_imp< #ifndef _LIBCPP_HAS_NO_INT128 - __conditional_t<sizeof(_UIntType) <= sizeof(unsigned long long), unsigned long long, __uint128_t>, + __conditional_t<sizeof(_UIntType) <= sizeof(unsigned long long), unsigned long long, __uint128_t>, #else - unsigned long long, + unsigned long long, #endif // _LIBCPP_HAS_NO_INT128 - _Xp, - sizeof(_UIntType) * __CHAR_BIT__ - 1>::value; + _Xp, + sizeof(_UIntType) * __CHAR_BIT__ - 1>::value; }; _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/lognormal_distribution.h b/contrib/llvm-project/libcxx/include/__random/lognormal_distribution.h index 47db56ee4529..d8724f8bc5ce 100644 --- a/contrib/llvm-project/libcxx/include/__random/lognormal_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/lognormal_distribution.h @@ -25,137 +25,98 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS lognormal_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS lognormal_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __m_; - result_type __s_; - public: - typedef lognormal_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __m = 0, result_type __s = 1) - : __m_(__m), __s_(__s) {} - - _LIBCPP_HIDE_FROM_ABI - result_type m() const {return __m_;} - _LIBCPP_HIDE_FROM_ABI - result_type s() const {return __s_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__m_ == __y.__m_ && __x.__s_ == __y.__s_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __m_; + result_type __s_; + + public: + typedef lognormal_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __m = 0, result_type __s = 1) : __m_(__m), __s_(__s) {} + + _LIBCPP_HIDE_FROM_ABI result_type m() const { return __m_; } + _LIBCPP_HIDE_FROM_ABI result_type s() const { return __s_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__m_ == __y.__m_ && __x.__s_ == __y.__s_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - normal_distribution<result_type> __nd_; + normal_distribution<result_type> __nd_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - lognormal_distribution() : lognormal_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI - explicit lognormal_distribution(result_type __m, result_type __s = 1) - : __nd_(__m, __s) {} + _LIBCPP_HIDE_FROM_ABI lognormal_distribution() : lognormal_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit lognormal_distribution(result_type __m, result_type __s = 1) : __nd_(__m, __s) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit lognormal_distribution(result_type __m = 0, - result_type __s = 1) - : __nd_(__m, __s) {} + _LIBCPP_HIDE_FROM_ABI explicit lognormal_distribution(result_type __m = 0, result_type __s = 1) : __nd_(__m, __s) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit lognormal_distribution(const param_type& __p) - : __nd_(__p.m(), __p.s()) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {__nd_.reset();} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - { - return std::exp(__nd_(__g)); - } - - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g, const param_type& __p) - { - typename normal_distribution<result_type>::param_type __pn(__p.m(), __p.s()); - return std::exp(__nd_(__g, __pn)); - } - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type m() const {return __nd_.mean();} - _LIBCPP_HIDE_FROM_ABI - result_type s() const {return __nd_.stddev();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return param_type(__nd_.mean(), __nd_.stddev());} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) - { - typename normal_distribution<result_type>::param_type __pn(__p.m(), __p.s()); - __nd_.param(__pn); - } - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const lognormal_distribution& __x, - const lognormal_distribution& __y) - {return __x.__nd_ == __y.__nd_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const lognormal_distribution& __x, - const lognormal_distribution& __y) - {return !(__x == __y);} - - template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const lognormal_distribution<_RT>& __x); - - template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - lognormal_distribution<_RT>& __x); + _LIBCPP_HIDE_FROM_ABI explicit lognormal_distribution(const param_type& __p) : __nd_(__p.m(), __p.s()) {} + _LIBCPP_HIDE_FROM_ABI void reset() { __nd_.reset(); } + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return std::exp(__nd_(__g)); + } + + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p) { + typename normal_distribution<result_type>::param_type __pn(__p.m(), __p.s()); + return std::exp(__nd_(__g, __pn)); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type m() const { return __nd_.mean(); } + _LIBCPP_HIDE_FROM_ABI result_type s() const { return __nd_.stddev(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return param_type(__nd_.mean(), __nd_.stddev()); } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { + typename normal_distribution<result_type>::param_type __pn(__p.m(), __p.s()); + __nd_.param(__pn); + } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const lognormal_distribution& __x, const lognormal_distribution& __y) { + return __x.__nd_ == __y.__nd_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const lognormal_distribution& __x, const lognormal_distribution& __y) { + return !(__x == __y); + } + + template <class _CharT, class _Traits, class _RT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const lognormal_distribution<_RT>& __x); + + template <class _CharT, class _Traits, class _RT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, lognormal_distribution<_RT>& __x); }; template <class _CharT, class _Traits, class _RT> -inline _LIBCPP_HIDE_FROM_ABI -basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const lognormal_distribution<_RT>& __x) -{ - return __os << __x.__nd_; +inline _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const lognormal_distribution<_RT>& __x) { + return __os << __x.__nd_; } template <class _CharT, class _Traits, class _RT> -inline _LIBCPP_HIDE_FROM_ABI -basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - lognormal_distribution<_RT>& __x) -{ - return __is >> __x.__nd_; +inline _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, lognormal_distribution<_RT>& __x) { + return __is >> __x.__nd_; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/mersenne_twister_engine.h b/contrib/llvm-project/libcxx/include/__random/mersenne_twister_engine.h index abc5ec255bc6..65280d7c5505 100644 --- a/contrib/llvm-project/libcxx/include/__random/mersenne_twister_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/mersenne_twister_engine.h @@ -27,483 +27,885 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> class _LIBCPP_TEMPLATE_VIS mersenne_twister_engine; -template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> +template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI bool -operator==(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y); - -template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> -_LIBCPP_HIDE_FROM_ABI -bool -operator!=(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y); - -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> +operator==(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y); + +template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> +_LIBCPP_HIDE_FROM_ABI bool +operator!=(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y); + +template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x); - -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x); + +template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __is, - mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x); - -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> -class _LIBCPP_TEMPLATE_VIS mersenne_twister_engine -{ + mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x); + +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +class _LIBCPP_TEMPLATE_VIS mersenne_twister_engine { public: - // types - typedef _UIntType result_type; + // types + typedef _UIntType result_type; private: - result_type __x_[__n]; - size_t __i_; - - static_assert( 0 < __m, "mersenne_twister_engine invalid parameters"); - static_assert(__m <= __n, "mersenne_twister_engine invalid parameters"); - static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; - static_assert(__w <= _Dt, "mersenne_twister_engine invalid parameters"); - static_assert( 2 <= __w, "mersenne_twister_engine invalid parameters"); - static_assert(__r <= __w, "mersenne_twister_engine invalid parameters"); - static_assert(__u <= __w, "mersenne_twister_engine invalid parameters"); - static_assert(__s <= __w, "mersenne_twister_engine invalid parameters"); - static_assert(__t <= __w, "mersenne_twister_engine invalid parameters"); - static_assert(__l <= __w, "mersenne_twister_engine invalid parameters"); + result_type __x_[__n]; + size_t __i_; + + static_assert(0 < __m, "mersenne_twister_engine invalid parameters"); + static_assert(__m <= __n, "mersenne_twister_engine invalid parameters"); + static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; + static_assert(__w <= _Dt, "mersenne_twister_engine invalid parameters"); + static_assert(2 <= __w, "mersenne_twister_engine invalid parameters"); + static_assert(__r <= __w, "mersenne_twister_engine invalid parameters"); + static_assert(__u <= __w, "mersenne_twister_engine invalid parameters"); + static_assert(__s <= __w, "mersenne_twister_engine invalid parameters"); + static_assert(__t <= __w, "mersenne_twister_engine invalid parameters"); + static_assert(__l <= __w, "mersenne_twister_engine invalid parameters"); + public: - static _LIBCPP_CONSTEXPR const result_type _Min = 0; - static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : - (result_type(1) << __w) - result_type(1); - static_assert(_Min < _Max, "mersenne_twister_engine invalid parameters"); - static_assert(__a <= _Max, "mersenne_twister_engine invalid parameters"); - static_assert(__b <= _Max, "mersenne_twister_engine invalid parameters"); - static_assert(__c <= _Max, "mersenne_twister_engine invalid parameters"); - static_assert(__d <= _Max, "mersenne_twister_engine invalid parameters"); - static_assert(__f <= _Max, "mersenne_twister_engine invalid parameters"); - - // engine characteristics - static _LIBCPP_CONSTEXPR const size_t word_size = __w; - static _LIBCPP_CONSTEXPR const size_t state_size = __n; - static _LIBCPP_CONSTEXPR const size_t shift_size = __m; - static _LIBCPP_CONSTEXPR const size_t mask_bits = __r; - static _LIBCPP_CONSTEXPR const result_type xor_mask = __a; - static _LIBCPP_CONSTEXPR const size_t tempering_u = __u; - static _LIBCPP_CONSTEXPR const result_type tempering_d = __d; - static _LIBCPP_CONSTEXPR const size_t tempering_s = __s; - static _LIBCPP_CONSTEXPR const result_type tempering_b = __b; - static _LIBCPP_CONSTEXPR const size_t tempering_t = __t; - static _LIBCPP_CONSTEXPR const result_type tempering_c = __c; - static _LIBCPP_CONSTEXPR const size_t tempering_l = __l; - static _LIBCPP_CONSTEXPR const result_type initialization_multiplier = __f; - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Min; } - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Max; } - static _LIBCPP_CONSTEXPR const result_type default_seed = 5489u; - - // constructors and seeding functions + static _LIBCPP_CONSTEXPR const result_type _Min = 0; + static _LIBCPP_CONSTEXPR const result_type _Max = + __w == _Dt ? result_type(~0) : (result_type(1) << __w) - result_type(1); + static_assert(_Min < _Max, "mersenne_twister_engine invalid parameters"); + static_assert(__a <= _Max, "mersenne_twister_engine invalid parameters"); + static_assert(__b <= _Max, "mersenne_twister_engine invalid parameters"); + static_assert(__c <= _Max, "mersenne_twister_engine invalid parameters"); + static_assert(__d <= _Max, "mersenne_twister_engine invalid parameters"); + static_assert(__f <= _Max, "mersenne_twister_engine invalid parameters"); + + // engine characteristics + static _LIBCPP_CONSTEXPR const size_t word_size = __w; + static _LIBCPP_CONSTEXPR const size_t state_size = __n; + static _LIBCPP_CONSTEXPR const size_t shift_size = __m; + static _LIBCPP_CONSTEXPR const size_t mask_bits = __r; + static _LIBCPP_CONSTEXPR const result_type xor_mask = __a; + static _LIBCPP_CONSTEXPR const size_t tempering_u = __u; + static _LIBCPP_CONSTEXPR const result_type tempering_d = __d; + static _LIBCPP_CONSTEXPR const size_t tempering_s = __s; + static _LIBCPP_CONSTEXPR const result_type tempering_b = __b; + static _LIBCPP_CONSTEXPR const size_t tempering_t = __t; + static _LIBCPP_CONSTEXPR const result_type tempering_c = __c; + static _LIBCPP_CONSTEXPR const size_t tempering_l = __l; + static _LIBCPP_CONSTEXPR const result_type initialization_multiplier = __f; + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + static _LIBCPP_CONSTEXPR const result_type default_seed = 5489u; + + // constructors and seeding functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - mersenne_twister_engine() : mersenne_twister_engine(default_seed) {} - _LIBCPP_HIDE_FROM_ABI - explicit mersenne_twister_engine(result_type __sd) { seed(__sd); } + _LIBCPP_HIDE_FROM_ABI mersenne_twister_engine() : mersenne_twister_engine(default_seed) {} + _LIBCPP_HIDE_FROM_ABI explicit mersenne_twister_engine(result_type __sd) { seed(__sd); } #else - _LIBCPP_HIDE_FROM_ABI - explicit mersenne_twister_engine(result_type __sd = default_seed) { - seed(__sd); - } + _LIBCPP_HIDE_FROM_ABI explicit mersenne_twister_engine(result_type __sd = default_seed) { seed(__sd); } #endif - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit mersenne_twister_engine(_Sseq& __q) - {seed(__q);} - _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd = default_seed); - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) - {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());} - - // generating functions - _LIBCPP_HIDE_FROM_ABI result_type operator()(); - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> - friend - bool - operator==(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y); - - template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> - friend - bool - operator!=(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y); - - template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x); - - template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x); -private: + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit mersenne_twister_engine(_Sseq& __q) { + seed(__q); + } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd = default_seed); + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>()); + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()(); + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> + friend bool operator==( + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y); + + template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> + friend bool operator!=( + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y); + + template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> + friend basic_ostream<_CharT, _Traits>& operator<<( + basic_ostream<_CharT, _Traits>& __os, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x); + + template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x); - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); - - template <size_t __count, __enable_if_t<__count < __w, int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __lshift(result_type __x) {return (__x << __count) & _Max;} - - template <size_t __count, __enable_if_t<(__count >= __w), int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __lshift(result_type) {return result_type(0);} - - template <size_t __count, __enable_if_t<__count < _Dt, int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __rshift(result_type __x) {return __x >> __count;} - - template <size_t __count, __enable_if_t<(__count >= _Dt), int> = 0> - _LIBCPP_HIDE_FROM_ABI - static - result_type - __rshift(result_type) {return result_type(0);} +private: + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); + + template <size_t __count, + __enable_if_t<__count< __w, int> = 0> _LIBCPP_HIDE_FROM_ABI static result_type __lshift(result_type __x) { + return (__x << __count) & _Max; + } + + template <size_t __count, __enable_if_t<(__count >= __w), int> = 0> + _LIBCPP_HIDE_FROM_ABI static result_type __lshift(result_type) { + return result_type(0); + } + + template <size_t __count, + __enable_if_t<__count< _Dt, int> = 0> _LIBCPP_HIDE_FROM_ABI static result_type __rshift(result_type __x) { + return __x >> __count; + } + + template <size_t __count, __enable_if_t<(__count >= _Dt), int> = 0> + _LIBCPP_HIDE_FROM_ABI static result_type __rshift(result_type) { + return result_type(0); + } }; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::word_size; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::state_size; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::shift_size; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::mask_bits; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::xor_mask; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_u; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_d; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_s; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_b; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_t; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_c; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const size_t +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const size_t mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_l; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type - mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::initialization_multiplier; - -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> - _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type + mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>:: + initialization_multiplier; + +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +_LIBCPP_CONSTEXPR const typename mersenne_twister_engine< + _UIntType, + __w, + __n, + __m, + __r, + __a, + __u, + __d, + __s, + __b, + __t, + __c, + __l, + __f>::result_type mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::default_seed; -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> -void -mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, - __t, __c, __l, __f>::seed(result_type __sd) - _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK -{ // __w >= 2 - __x_[0] = __sd & _Max; - for (size_t __i = 1; __i < __n; ++__i) - __x_[__i] = (__f * (__x_[__i-1] ^ __rshift<__w - 2>(__x_[__i-1])) + __i) & _Max; - __i_ = 0; +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +void mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::seed( + result_type __sd) _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK { // __w >= 2 + __x_[0] = __sd & _Max; + for (size_t __i = 1; __i < __n; ++__i) + __x_[__i] = (__f * (__x_[__i - 1] ^ __rshift<__w - 2>(__x_[__i - 1])) + __i) & _Max; + __i_ = 0; } -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> -template<class _Sseq> -void -mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, - __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 1>) -{ - const unsigned __k = 1; - uint32_t __ar[__n * __k]; - __q.generate(__ar, __ar + __n * __k); - for (size_t __i = 0; __i < __n; ++__i) - __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); - const result_type __mask = __r == _Dt ? result_type(~0) : - (result_type(1) << __r) - result_type(1); - __i_ = 0; - if ((__x_[0] & ~__mask) == 0) - { - for (size_t __i = 1; __i < __n; ++__i) - if (__x_[__i] != 0) - return; - __x_[0] = result_type(1) << (__w - 1); - } +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +template <class _Sseq> +void mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::__seed( + _Sseq& __q, integral_constant<unsigned, 1>) { + const unsigned __k = 1; + uint32_t __ar[__n * __k]; + __q.generate(__ar, __ar + __n * __k); + for (size_t __i = 0; __i < __n; ++__i) + __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); + const result_type __mask = __r == _Dt ? result_type(~0) : (result_type(1) << __r) - result_type(1); + __i_ = 0; + if ((__x_[0] & ~__mask) == 0) { + for (size_t __i = 1; __i < __n; ++__i) + if (__x_[__i] != 0) + return; + __x_[0] = result_type(1) << (__w - 1); + } } -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> -template<class _Sseq> -void -mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, - __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 2>) -{ - const unsigned __k = 2; - uint32_t __ar[__n * __k]; - __q.generate(__ar, __ar + __n * __k); - for (size_t __i = 0; __i < __n; ++__i) - __x_[__i] = static_cast<result_type>( - (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); - const result_type __mask = __r == _Dt ? result_type(~0) : - (result_type(1) << __r) - result_type(1); - __i_ = 0; - if ((__x_[0] & ~__mask) == 0) - { - for (size_t __i = 1; __i < __n; ++__i) - if (__x_[__i] != 0) - return; - __x_[0] = result_type(1) << (__w - 1); - } +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> +template <class _Sseq> +void mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::__seed( + _Sseq& __q, integral_constant<unsigned, 2>) { + const unsigned __k = 2; + uint32_t __ar[__n * __k]; + __q.generate(__ar, __ar + __n * __k); + for (size_t __i = 0; __i < __n; ++__i) + __x_[__i] = static_cast<result_type>((__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); + const result_type __mask = __r == _Dt ? result_type(~0) : (result_type(1) << __r) - result_type(1); + __i_ = 0; + if ((__x_[0] & ~__mask) == 0) { + for (size_t __i = 1; __i < __n; ++__i) + if (__x_[__i] != 0) + return; + __x_[0] = result_type(1) << (__w - 1); + } } -template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, - _UIntType __a, size_t __u, _UIntType __d, size_t __s, - _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> +template <class _UIntType, + size_t __w, + size_t __n, + size_t __m, + size_t __r, + _UIntType __a, + size_t __u, + _UIntType __d, + size_t __s, + _UIntType __b, + size_t __t, + _UIntType __c, + size_t __l, + _UIntType __f> _UIntType -mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, - __t, __c, __l, __f>::operator()() -{ - const size_t __j = (__i_ + 1) % __n; - const result_type __mask = __r == _Dt ? result_type(~0) : - (result_type(1) << __r) - result_type(1); - const result_type __yp = (__x_[__i_] & ~__mask) | (__x_[__j] & __mask); - const size_t __k = (__i_ + __m) % __n; - __x_[__i_] = __x_[__k] ^ __rshift<1>(__yp) ^ (__a * (__yp & 1)); - result_type __z = __x_[__i_] ^ (__rshift<__u>(__x_[__i_]) & __d); - __i_ = __j; - __z ^= __lshift<__s>(__z) & __b; - __z ^= __lshift<__t>(__z) & __c; - return __z ^ __rshift<__l>(__z); +mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::operator()() { + const size_t __j = (__i_ + 1) % __n; + const result_type __mask = __r == _Dt ? result_type(~0) : (result_type(1) << __r) - result_type(1); + const result_type __yp = (__x_[__i_] & ~__mask) | (__x_[__j] & __mask); + const size_t __k = (__i_ + __m) % __n; + __x_[__i_] = __x_[__k] ^ __rshift<1>(__yp) ^ (__a * (__yp & 1)); + result_type __z = __x_[__i_] ^ (__rshift<__u>(__x_[__i_]) & __d); + __i_ = __j; + __z ^= __lshift<__s>(__z) & __b; + __z ^= __lshift<__t>(__z) & __c; + return __z ^ __rshift<__l>(__z); } -template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> +template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI bool -operator==(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y) -{ - if (__x.__i_ == __y.__i_) - return std::equal(__x.__x_, __x.__x_ + _Np, __y.__x_); - if (__x.__i_ == 0 || __y.__i_ == 0) - { - size_t __j = std::min(_Np - __x.__i_, _Np - __y.__i_); - if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, - __y.__x_ + __y.__i_)) - return false; - if (__x.__i_ == 0) - return std::equal(__x.__x_ + __j, __x.__x_ + _Np, __y.__x_); - return std::equal(__x.__x_, __x.__x_ + (_Np - __j), __y.__x_ + __j); - } - if (__x.__i_ < __y.__i_) - { - size_t __j = _Np - __y.__i_; - if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), - __y.__x_ + __y.__i_)) - return false; - if (!std::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Np, - __y.__x_)) - return false; - return std::equal(__x.__x_, __x.__x_ + __x.__i_, - __y.__x_ + (_Np - (__x.__i_ + __j))); - } - size_t __j = _Np - __x.__i_; - if (!std::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), - __x.__x_ + __x.__i_)) - return false; - if (!std::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Np, - __x.__x_)) - return false; - return std::equal(__y.__x_, __y.__x_ + __y.__i_, - __x.__x_ + (_Np - (__y.__i_ + __j))); +operator==(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y) { + if (__x.__i_ == __y.__i_) + return std::equal(__x.__x_, __x.__x_ + _Np, __y.__x_); + if (__x.__i_ == 0 || __y.__i_ == 0) { + size_t __j = std::min(_Np - __x.__i_, _Np - __y.__i_); + if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, __y.__x_ + __y.__i_)) + return false; + if (__x.__i_ == 0) + return std::equal(__x.__x_ + __j, __x.__x_ + _Np, __y.__x_); + return std::equal(__x.__x_, __x.__x_ + (_Np - __j), __y.__x_ + __j); + } + if (__x.__i_ < __y.__i_) { + size_t __j = _Np - __y.__i_; + if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), __y.__x_ + __y.__i_)) + return false; + if (!std::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Np, __y.__x_)) + return false; + return std::equal(__x.__x_, __x.__x_ + __x.__i_, __y.__x_ + (_Np - (__x.__i_ + __j))); + } + size_t __j = _Np - __x.__i_; + if (!std::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), __x.__x_ + __x.__i_)) + return false; + if (!std::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Np, __x.__x_)) + return false; + return std::equal(__y.__x_, __y.__x_ + __y.__i_, __x.__x_ + (_Np - (__y.__i_ + __j))); } -template <class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __y) -{ - return !(__x == __y); +template <class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> +inline _LIBCPP_HIDE_FROM_ABI bool +operator!=(const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x, + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __y) { + return !(__x == __y); } -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> +template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, - const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.__x_[__x.__i_]; - for (size_t __j = __x.__i_ + 1; __j < _Np; ++__j) - __os << __sp << __x.__x_[__j]; - for (size_t __j = 0; __j < __x.__i_; ++__j) - __os << __sp << __x.__x_[__j]; - return __os; + const mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.__x_[__x.__i_]; + for (size_t __j = __x.__i_ + 1; __j < _Np; ++__j) + __os << __sp << __x.__x_[__j]; + for (size_t __j = 0; __j < __x.__i_; ++__j) + __os << __sp << __x.__x_[__j]; + return __os; } -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, - _UInt _Ap, size_t _Up, _UInt _Dp, size_t _Sp, - _UInt _Bp, size_t _Tp, _UInt _Cp, size_t _Lp, _UInt _Fp> +template <class _CharT, + class _Traits, + class _UInt, + size_t _Wp, + size_t _Np, + size_t _Mp, + size_t _Rp, + _UInt _Ap, + size_t _Up, + _UInt _Dp, + size_t _Sp, + _UInt _Bp, + size_t _Tp, + _UInt _Cp, + size_t _Lp, + _UInt _Fp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __is, - mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, - _Bp, _Tp, _Cp, _Lp, _Fp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - _UInt __t[_Np]; + mersenne_twister_engine<_UInt, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, _Bp, _Tp, _Cp, _Lp, _Fp>& __x) { + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + _UInt __t[_Np]; + for (size_t __i = 0; __i < _Np; ++__i) + __is >> __t[__i]; + if (!__is.fail()) { for (size_t __i = 0; __i < _Np; ++__i) - __is >> __t[__i]; - if (!__is.fail()) - { - for (size_t __i = 0; __i < _Np; ++__i) - __x.__x_[__i] = __t[__i]; - __x.__i_ = 0; - } - return __is; + __x.__x_[__i] = __t[__i]; + __x.__i_ = 0; + } + return __is; } -typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31, - 0x9908b0df, 11, 0xffffffff, - 7, 0x9d2c5680, - 15, 0xefc60000, - 18, 1812433253> mt19937; -typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31, - 0xb5026f5aa96619e9ULL, 29, 0x5555555555555555ULL, - 17, 0x71d67fffeda60000ULL, - 37, 0xfff7eee000000000ULL, - 43, 6364136223846793005ULL> mt19937_64; +typedef mersenne_twister_engine< + uint_fast32_t, + 32, + 624, + 397, + 31, + 0x9908b0df, + 11, + 0xffffffff, + 7, + 0x9d2c5680, + 15, + 0xefc60000, + 18, + 1812433253> + mt19937; +typedef mersenne_twister_engine< + uint_fast64_t, + 64, + 312, + 156, + 31, + 0xb5026f5aa96619e9ULL, + 29, + 0x5555555555555555ULL, + 17, + 0x71d67fffeda60000ULL, + 37, + 0xfff7eee000000000ULL, + 43, + 6364136223846793005ULL> + mt19937_64; _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/negative_binomial_distribution.h b/contrib/llvm-project/libcxx/include/__random/negative_binomial_distribution.h index 57b7a71de21e..580c74d46440 100644 --- a/contrib/llvm-project/libcxx/include/__random/negative_binomial_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/negative_binomial_distribution.h @@ -26,156 +26,128 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _IntType = int> -class _LIBCPP_TEMPLATE_VIS negative_binomial_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); +template <class _IntType = int> +class _LIBCPP_TEMPLATE_VIS negative_binomial_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); + public: - // types - typedef _IntType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __k_; - double __p_; - public: - typedef negative_binomial_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __k = 1, double __p = 0.5) - : __k_(__k), __p_(__p) {} - - _LIBCPP_HIDE_FROM_ABI - result_type k() const {return __k_;} - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__k_ == __y.__k_ && __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _IntType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __k_; + double __p_; + + public: + typedef negative_binomial_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __k = 1, double __p = 0.5) : __k_(__k), __p_(__p) {} + + _LIBCPP_HIDE_FROM_ABI result_type k() const { return __k_; } + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__k_ == __y.__k_ && __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - negative_binomial_distribution() : negative_binomial_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit negative_binomial_distribution(result_type __k, double __p = 0.5) - : __p_(__k, __p) {} + _LIBCPP_HIDE_FROM_ABI negative_binomial_distribution() : negative_binomial_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit negative_binomial_distribution(result_type __k, double __p = 0.5) : __p_(__k, __p) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit negative_binomial_distribution(result_type __k = 1, - double __p = 0.5) - : __p_(__k, __p) {} + _LIBCPP_HIDE_FROM_ABI explicit negative_binomial_distribution(result_type __k = 1, double __p = 0.5) + : __p_(__k, __p) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit negative_binomial_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type k() const {return __p_.k();} - _LIBCPP_HIDE_FROM_ABI - double p() const {return __p_.p();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::max();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const negative_binomial_distribution& __x, - const negative_binomial_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const negative_binomial_distribution& __x, - const negative_binomial_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit negative_binomial_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type k() const { return __p_.k(); } + _LIBCPP_HIDE_FROM_ABI double p() const { return __p_.p(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::max(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const negative_binomial_distribution& __x, const negative_binomial_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const negative_binomial_distribution& __x, const negative_binomial_distribution& __y) { + return !(__x == __y); + } }; template <class _IntType> -template<class _URNG> -_IntType -negative_binomial_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - result_type __k = __pr.k(); - double __p = __pr.p(); - // When the number of bits in _IntType is small, we are too likely to - // overflow __f below to use this technique. - if (__k <= 21 * __p && sizeof(_IntType) > 1) - { - bernoulli_distribution __gen(__p); - result_type __f = 0; - result_type __s = 0; - while (__s < __k) - { - if (__gen(__urng)) - ++__s; - else - ++__f; - } - _LIBCPP_ASSERT_UNCATEGORIZED(__f >= 0, - "std::negative_binomial_distribution should never produce negative values. " - "This is almost certainly a signed integer overflow issue on __f."); - return __f; +template <class _URNG> +_IntType negative_binomial_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + result_type __k = __pr.k(); + double __p = __pr.p(); + // When the number of bits in _IntType is small, we are too likely to + // overflow __f below to use this technique. + if (__k <= 21 * __p && sizeof(_IntType) > 1) { + bernoulli_distribution __gen(__p); + result_type __f = 0; + result_type __s = 0; + while (__s < __k) { + if (__gen(__urng)) + ++__s; + else + ++__f; } - return poisson_distribution<result_type>(gamma_distribution<double> - (__k, (1-__p)/__p)(__urng))(__urng); + _LIBCPP_ASSERT_UNCATEGORIZED( + __f >= 0, + "std::negative_binomial_distribution should never produce negative values. " + "This is almost certainly a signed integer overflow issue on __f."); + return __f; + } + return poisson_distribution<result_type>(gamma_distribution<double>(__k, (1 - __p) / __p)(__urng))(__urng); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const negative_binomial_distribution<_IntType>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.k() << __sp << __x.p(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const negative_binomial_distribution<_IntType>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.k() << __sp << __x.p(); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - negative_binomial_distribution<_IntType>& __x) -{ - typedef negative_binomial_distribution<_IntType> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __k; - double __p; - __is >> __k >> __p; - if (!__is.fail()) - __x.param(param_type(__k, __p)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, negative_binomial_distribution<_IntType>& __x) { + typedef negative_binomial_distribution<_IntType> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __k; + double __p; + __is >> __k >> __p; + if (!__is.fail()) + __x.param(param_type(__k, __p)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/normal_distribution.h b/contrib/llvm-project/libcxx/include/__random/normal_distribution.h index 9d68ea6118fd..889f189e4161 100644 --- a/contrib/llvm-project/libcxx/include/__random/normal_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/normal_distribution.h @@ -25,186 +25,148 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS normal_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS normal_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __mean_; - result_type __stddev_; - public: - typedef normal_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __mean = 0, result_type __stddev = 1) - : __mean_(__mean), __stddev_(__stddev) {} - - _LIBCPP_HIDE_FROM_ABI - result_type mean() const {return __mean_;} - _LIBCPP_HIDE_FROM_ABI - result_type stddev() const {return __stddev_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__mean_ == __y.__mean_ && __x.__stddev_ == __y.__stddev_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __mean_; + result_type __stddev_; + + public: + typedef normal_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __mean = 0, result_type __stddev = 1) + : __mean_(__mean), __stddev_(__stddev) {} + + _LIBCPP_HIDE_FROM_ABI result_type mean() const { return __mean_; } + _LIBCPP_HIDE_FROM_ABI result_type stddev() const { return __stddev_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__mean_ == __y.__mean_ && __x.__stddev_ == __y.__stddev_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; - result_type __v_; - bool __v_hot_; + param_type __p_; + result_type __v_; + bool __v_hot_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - normal_distribution() : normal_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI - explicit normal_distribution(result_type __mean, result_type __stddev = 1) - : __p_(param_type(__mean, __stddev)), __v_hot_(false) {} + _LIBCPP_HIDE_FROM_ABI normal_distribution() : normal_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit normal_distribution(result_type __mean, result_type __stddev = 1) + : __p_(param_type(__mean, __stddev)), __v_hot_(false) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit normal_distribution(result_type __mean = 0, - result_type __stddev = 1) - : __p_(param_type(__mean, __stddev)), __v_hot_(false) {} + _LIBCPP_HIDE_FROM_ABI explicit normal_distribution(result_type __mean = 0, result_type __stddev = 1) + : __p_(param_type(__mean, __stddev)), __v_hot_(false) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit normal_distribution(const param_type& __p) - : __p_(__p), __v_hot_(false) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {__v_hot_ = false;} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type mean() const {return __p_.mean();} - _LIBCPP_HIDE_FROM_ABI - result_type stddev() const {return __p_.stddev();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return -numeric_limits<result_type>::infinity();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const normal_distribution& __x, - const normal_distribution& __y) - {return __x.__p_ == __y.__p_ && __x.__v_hot_ == __y.__v_hot_ && - (!__x.__v_hot_ || __x.__v_ == __y.__v_);} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const normal_distribution& __x, - const normal_distribution& __y) - {return !(__x == __y);} - - template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const normal_distribution<_RT>& __x); - - template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - normal_distribution<_RT>& __x); + _LIBCPP_HIDE_FROM_ABI explicit normal_distribution(const param_type& __p) : __p_(__p), __v_hot_(false) {} + _LIBCPP_HIDE_FROM_ABI void reset() { __v_hot_ = false; } + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type mean() const { return __p_.mean(); } + _LIBCPP_HIDE_FROM_ABI result_type stddev() const { return __p_.stddev(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return -numeric_limits<result_type>::infinity(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const normal_distribution& __x, const normal_distribution& __y) { + return __x.__p_ == __y.__p_ && __x.__v_hot_ == __y.__v_hot_ && (!__x.__v_hot_ || __x.__v_ == __y.__v_); + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const normal_distribution& __x, const normal_distribution& __y) { + return !(__x == __y); + } + + template <class _CharT, class _Traits, class _RT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const normal_distribution<_RT>& __x); + + template <class _CharT, class _Traits, class _RT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, normal_distribution<_RT>& __x); }; template <class _RealType> -template<class _URNG> -_RealType -normal_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - result_type __up; - if (__v_hot_) - { - __v_hot_ = false; - __up = __v_; - } - else - { - uniform_real_distribution<result_type> __uni(-1, 1); - result_type __u; - result_type __v; - result_type __s; - do - { - __u = __uni(__g); - __v = __uni(__g); - __s = __u * __u + __v * __v; - } while (__s > 1 || __s == 0); - result_type __fp = std::sqrt(-2 * std::log(__s) / __s); - __v_ = __v * __fp; - __v_hot_ = true; - __up = __u * __fp; - } - return __up * __p.stddev() + __p.mean(); +template <class _URNG> +_RealType normal_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + result_type __up; + if (__v_hot_) { + __v_hot_ = false; + __up = __v_; + } else { + uniform_real_distribution<result_type> __uni(-1, 1); + result_type __u; + result_type __v; + result_type __s; + do { + __u = __uni(__g); + __v = __uni(__g); + __s = __u * __u + __v * __v; + } while (__s > 1 || __s == 0); + result_type __fp = std::sqrt(-2 * std::log(__s) / __s); + __v_ = __v * __fp; + __v_hot_ = true; + __up = __u * __fp; + } + return __up * __p.stddev() + __p.mean(); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const normal_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.mean() << __sp << __x.stddev() << __sp << __x.__v_hot_; - if (__x.__v_hot_) - __os << __sp << __x.__v_; - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const normal_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.mean() << __sp << __x.stddev() << __sp << __x.__v_hot_; + if (__x.__v_hot_) + __os << __sp << __x.__v_; + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - normal_distribution<_RT>& __x) -{ - typedef normal_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __mean; - result_type __stddev; - result_type __vp = 0; - bool __v_hot = false; - __is >> __mean >> __stddev >> __v_hot; - if (__v_hot) - __is >> __vp; - if (!__is.fail()) - { - __x.param(param_type(__mean, __stddev)); - __x.__v_hot_ = __v_hot; - __x.__v_ = __vp; - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, normal_distribution<_RT>& __x) { + typedef normal_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __mean; + result_type __stddev; + result_type __vp = 0; + bool __v_hot = false; + __is >> __mean >> __stddev >> __v_hot; + if (__v_hot) + __is >> __vp; + if (!__is.fail()) { + __x.param(param_type(__mean, __stddev)); + __x.__v_hot_ = __v_hot; + __x.__v_ = __vp; + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/piecewise_constant_distribution.h b/contrib/llvm-project/libcxx/include/__random/piecewise_constant_distribution.h index 3a60e5533d77..e19380f97c35 100644 --- a/contrib/llvm-project/libcxx/include/__random/piecewise_constant_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/piecewise_constant_distribution.h @@ -26,333 +26,273 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS piecewise_constant_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS piecewise_constant_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - vector<result_type> __b_; - vector<result_type> __densities_; - vector<result_type> __areas_; - public: - typedef piecewise_constant_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI param_type(); - template<class _InputIteratorB, class _InputIteratorW> - _LIBCPP_HIDE_FROM_ABI param_type(_InputIteratorB __f_b, _InputIteratorB __l_b, - _InputIteratorW __f_w); -#ifndef _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); -#endif // _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, result_type __xmin, result_type __xmax, - _UnaryOperation __fw); - _LIBCPP_HIDE_FROM_ABI param_type(param_type const&) = default; - _LIBCPP_HIDE_FROM_ABI param_type & operator=(const param_type& __rhs); - - _LIBCPP_HIDE_FROM_ABI - vector<result_type> intervals() const {return __b_;} - _LIBCPP_HIDE_FROM_ABI - vector<result_type> densities() const {return __densities_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - - private: - _LIBCPP_HIDE_FROM_ABI void __init(); - - friend class piecewise_constant_distribution; - - template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_constant_distribution<_RT>& __x); - - template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_constant_distribution<_RT>& __x); - }; + // types + typedef _RealType result_type; -private: - param_type __p_; + class _LIBCPP_TEMPLATE_VIS param_type { + vector<result_type> __b_; + vector<result_type> __densities_; + vector<result_type> __areas_; -public: - // constructor and reset functions - _LIBCPP_HIDE_FROM_ABI - piecewise_constant_distribution() {} - template<class _InputIteratorB, class _InputIteratorW> - _LIBCPP_HIDE_FROM_ABI - piecewise_constant_distribution(_InputIteratorB __f_b, - _InputIteratorB __l_b, - _InputIteratorW __f_w) - : __p_(__f_b, __l_b, __f_w) {} + public: + typedef piecewise_constant_distribution distribution_type; + _LIBCPP_HIDE_FROM_ABI param_type(); + template <class _InputIteratorB, class _InputIteratorW> + _LIBCPP_HIDE_FROM_ABI param_type(_InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w); #ifndef _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI - piecewise_constant_distribution(initializer_list<result_type> __bl, - _UnaryOperation __fw) - : __p_(__bl, __fw) {} + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); #endif // _LIBCPP_CXX03_LANG + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw); + _LIBCPP_HIDE_FROM_ABI param_type(param_type const&) = default; + _LIBCPP_HIDE_FROM_ABI param_type& operator=(const param_type& __rhs); + + _LIBCPP_HIDE_FROM_ABI vector<result_type> intervals() const { return __b_; } + _LIBCPP_HIDE_FROM_ABI vector<result_type> densities() const { return __densities_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI - piecewise_constant_distribution(size_t __nw, result_type __xmin, - result_type __xmax, _UnaryOperation __fw) - : __p_(__nw, __xmin, __xmax, __fw) {} - - _LIBCPP_HIDE_FROM_ABI - explicit piecewise_constant_distribution(const param_type& __p) - : __p_(__p) {} - - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - vector<result_type> intervals() const {return __p_.intervals();} - _LIBCPP_HIDE_FROM_ABI - vector<result_type> densities() const {return __p_.densities();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return __p_.__b_.front();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return __p_.__b_.back();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const piecewise_constant_distribution& __x, - const piecewise_constant_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const piecewise_constant_distribution& __x, - const piecewise_constant_distribution& __y) - {return !(__x == __y);} + private: + _LIBCPP_HIDE_FROM_ABI void __init(); + + friend class piecewise_constant_distribution; template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_constant_distribution<_RT>& __x); + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_constant_distribution<_RT>& __x); template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_constant_distribution<_RT>& __x); + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_constant_distribution<_RT>& __x); + }; + +private: + param_type __p_; + +public: + // constructor and reset functions + _LIBCPP_HIDE_FROM_ABI piecewise_constant_distribution() {} + template <class _InputIteratorB, class _InputIteratorW> + _LIBCPP_HIDE_FROM_ABI + piecewise_constant_distribution(_InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) + : __p_(__f_b, __l_b, __f_w) {} + +#ifndef _LIBCPP_CXX03_LANG + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI piecewise_constant_distribution(initializer_list<result_type> __bl, _UnaryOperation __fw) + : __p_(__bl, __fw) {} +#endif // _LIBCPP_CXX03_LANG + + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI + piecewise_constant_distribution(size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) + : __p_(__nw, __xmin, __xmax, __fw) {} + + _LIBCPP_HIDE_FROM_ABI explicit piecewise_constant_distribution(const param_type& __p) : __p_(__p) {} + + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI vector<result_type> intervals() const { return __p_.intervals(); } + _LIBCPP_HIDE_FROM_ABI vector<result_type> densities() const { return __p_.densities(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return __p_.__b_.front(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return __p_.__b_.back(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const piecewise_constant_distribution& __x, const piecewise_constant_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const piecewise_constant_distribution& __x, const piecewise_constant_distribution& __y) { + return !(__x == __y); + } + + template <class _CharT, class _Traits, class _RT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_constant_distribution<_RT>& __x); + + template <class _CharT, class _Traits, class _RT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_constant_distribution<_RT>& __x); }; -template<class _RealType> -typename piecewise_constant_distribution<_RealType>::param_type & -piecewise_constant_distribution<_RealType>::param_type::operator= - (const param_type& __rhs) -{ -// These can throw - __b_.reserve (__rhs.__b_.size ()); - __densities_.reserve(__rhs.__densities_.size()); - __areas_.reserve (__rhs.__areas_.size()); - -// These can not throw - __b_ = __rhs.__b_; - __densities_ = __rhs.__densities_; - __areas_ = __rhs.__areas_; - return *this; +template <class _RealType> +typename piecewise_constant_distribution<_RealType>::param_type& +piecewise_constant_distribution<_RealType>::param_type::operator=(const param_type& __rhs) { + // These can throw + __b_.reserve(__rhs.__b_.size()); + __densities_.reserve(__rhs.__densities_.size()); + __areas_.reserve(__rhs.__areas_.size()); + + // These can not throw + __b_ = __rhs.__b_; + __densities_ = __rhs.__densities_; + __areas_ = __rhs.__areas_; + return *this; } -template<class _RealType> -void -piecewise_constant_distribution<_RealType>::param_type::__init() -{ - // __densities_ contains non-normalized areas - result_type __total_area = std::accumulate(__densities_.begin(), - __densities_.end(), - result_type()); - for (size_t __i = 0; __i < __densities_.size(); ++__i) - __densities_[__i] /= __total_area; - // __densities_ contains normalized areas - __areas_.assign(__densities_.size(), result_type()); - std::partial_sum(__densities_.begin(), __densities_.end() - 1, - __areas_.begin() + 1); - // __areas_ contains partial sums of normalized areas: [0, __densities_ - 1] - __densities_.back() = 1 - __areas_.back(); // correct round off error - for (size_t __i = 0; __i < __densities_.size(); ++__i) - __densities_[__i] /= (__b_[__i+1] - __b_[__i]); - // __densities_ now contains __densities_ +template <class _RealType> +void piecewise_constant_distribution<_RealType>::param_type::__init() { + // __densities_ contains non-normalized areas + result_type __total_area = std::accumulate(__densities_.begin(), __densities_.end(), result_type()); + for (size_t __i = 0; __i < __densities_.size(); ++__i) + __densities_[__i] /= __total_area; + // __densities_ contains normalized areas + __areas_.assign(__densities_.size(), result_type()); + std::partial_sum(__densities_.begin(), __densities_.end() - 1, __areas_.begin() + 1); + // __areas_ contains partial sums of normalized areas: [0, __densities_ - 1] + __densities_.back() = 1 - __areas_.back(); // correct round off error + for (size_t __i = 0; __i < __densities_.size(); ++__i) + __densities_[__i] /= (__b_[__i + 1] - __b_[__i]); + // __densities_ now contains __densities_ } -template<class _RealType> -piecewise_constant_distribution<_RealType>::param_type::param_type() - : __b_(2), - __densities_(1, 1.0), - __areas_(1, 0.0) -{ - __b_[1] = 1; +template <class _RealType> +piecewise_constant_distribution<_RealType>::param_type::param_type() : __b_(2), __densities_(1, 1.0), __areas_(1, 0.0) { + __b_[1] = 1; } -template<class _RealType> -template<class _InputIteratorB, class _InputIteratorW> +template <class _RealType> +template <class _InputIteratorB, class _InputIteratorW> piecewise_constant_distribution<_RealType>::param_type::param_type( - _InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) - : __b_(__f_b, __l_b) -{ - if (__b_.size() < 2) - { - __b_.resize(2); - __b_[0] = 0; - __b_[1] = 1; - __densities_.assign(1, 1.0); - __areas_.assign(1, 0.0); - } - else - { - __densities_.reserve(__b_.size() - 1); - for (size_t __i = 0; __i < __b_.size() - 1; ++__i, ++__f_w) - __densities_.push_back(*__f_w); - __init(); - } + _InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) + : __b_(__f_b, __l_b) { + if (__b_.size() < 2) { + __b_.resize(2); + __b_[0] = 0; + __b_[1] = 1; + __densities_.assign(1, 1.0); + __areas_.assign(1, 0.0); + } else { + __densities_.reserve(__b_.size() - 1); + for (size_t __i = 0; __i < __b_.size() - 1; ++__i, ++__f_w) + __densities_.push_back(*__f_w); + __init(); + } } #ifndef _LIBCPP_CXX03_LANG -template<class _RealType> -template<class _UnaryOperation> +template <class _RealType> +template <class _UnaryOperation> piecewise_constant_distribution<_RealType>::param_type::param_type( - initializer_list<result_type> __bl, _UnaryOperation __fw) - : __b_(__bl.begin(), __bl.end()) -{ - if (__b_.size() < 2) - { - __b_.resize(2); - __b_[0] = 0; - __b_[1] = 1; - __densities_.assign(1, 1.0); - __areas_.assign(1, 0.0); - } - else - { - __densities_.reserve(__b_.size() - 1); - for (size_t __i = 0; __i < __b_.size() - 1; ++__i) - __densities_.push_back(__fw((__b_[__i+1] + __b_[__i])*.5)); - __init(); - } + initializer_list<result_type> __bl, _UnaryOperation __fw) + : __b_(__bl.begin(), __bl.end()) { + if (__b_.size() < 2) { + __b_.resize(2); + __b_[0] = 0; + __b_[1] = 1; + __densities_.assign(1, 1.0); + __areas_.assign(1, 0.0); + } else { + __densities_.reserve(__b_.size() - 1); + for (size_t __i = 0; __i < __b_.size() - 1; ++__i) + __densities_.push_back(__fw((__b_[__i + 1] + __b_[__i]) * .5)); + __init(); + } } #endif // _LIBCPP_CXX03_LANG -template<class _RealType> -template<class _UnaryOperation> +template <class _RealType> +template <class _UnaryOperation> piecewise_constant_distribution<_RealType>::param_type::param_type( - size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) - : __b_(__nw == 0 ? 2 : __nw + 1) -{ - size_t __n = __b_.size() - 1; - result_type __d = (__xmax - __xmin) / __n; - __densities_.reserve(__n); - for (size_t __i = 0; __i < __n; ++__i) - { - __b_[__i] = __xmin + __i * __d; - __densities_.push_back(__fw(__b_[__i] + __d*.5)); - } - __b_[__n] = __xmax; - __init(); + size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) + : __b_(__nw == 0 ? 2 : __nw + 1) { + size_t __n = __b_.size() - 1; + result_type __d = (__xmax - __xmin) / __n; + __densities_.reserve(__n); + for (size_t __i = 0; __i < __n; ++__i) { + __b_[__i] = __xmin + __i * __d; + __densities_.push_back(__fw(__b_[__i] + __d * .5)); + } + __b_[__n] = __xmax; + __init(); } -template<class _RealType> -template<class _URNG> -_RealType -piecewise_constant_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - typedef uniform_real_distribution<result_type> _Gen; - result_type __u = _Gen()(__g); - ptrdiff_t __k = std::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), - __u) - __p.__areas_.begin() - 1; - return (__u - __p.__areas_[__k]) / __p.__densities_[__k] + __p.__b_[__k]; +template <class _RealType> +template <class _URNG> +_RealType piecewise_constant_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + typedef uniform_real_distribution<result_type> _Gen; + result_type __u = _Gen()(__g); + ptrdiff_t __k = std::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), __u) - __p.__areas_.begin() - 1; + return (__u - __p.__areas_[__k]) / __p.__densities_[__k] + __p.__b_[__k]; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_constant_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - size_t __n = __x.__p_.__b_.size(); - __os << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__b_[__i]; - __n = __x.__p_.__densities_.size(); - __os << __sp << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__densities_[__i]; - __n = __x.__p_.__areas_.size(); - __os << __sp << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__areas_[__i]; - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_constant_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + size_t __n = __x.__p_.__b_.size(); + __os << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__b_[__i]; + __n = __x.__p_.__densities_.size(); + __os << __sp << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__densities_[__i]; + __n = __x.__p_.__areas_.size(); + __os << __sp << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__areas_[__i]; + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_constant_distribution<_RT>& __x) -{ - typedef piecewise_constant_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - size_t __n; - __is >> __n; - vector<result_type> __b(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __b[__i]; - __is >> __n; - vector<result_type> __densities(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __densities[__i]; - __is >> __n; - vector<result_type> __areas(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __areas[__i]; - if (!__is.fail()) - { - swap(__x.__p_.__b_, __b); - swap(__x.__p_.__densities_, __densities); - swap(__x.__p_.__areas_, __areas); - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_constant_distribution<_RT>& __x) { + typedef piecewise_constant_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + size_t __n; + __is >> __n; + vector<result_type> __b(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __b[__i]; + __is >> __n; + vector<result_type> __densities(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __densities[__i]; + __is >> __n; + vector<result_type> __areas(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __areas[__i]; + if (!__is.fail()) { + swap(__x.__p_.__b_, __b); + swap(__x.__p_.__densities_, __densities); + swap(__x.__p_.__areas_, __areas); + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/piecewise_linear_distribution.h b/contrib/llvm-project/libcxx/include/__random/piecewise_linear_distribution.h index 895f0f2dfe94..43769dc825e6 100644 --- a/contrib/llvm-project/libcxx/include/__random/piecewise_linear_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/piecewise_linear_distribution.h @@ -26,349 +26,286 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS piecewise_linear_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS piecewise_linear_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - vector<result_type> __b_; - vector<result_type> __densities_; - vector<result_type> __areas_; - public: - typedef piecewise_linear_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI param_type(); - template<class _InputIteratorB, class _InputIteratorW> - _LIBCPP_HIDE_FROM_ABI param_type(_InputIteratorB __f_b, _InputIteratorB __l_b, - _InputIteratorW __f_w); -#ifndef _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); -#endif // _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, result_type __xmin, result_type __xmax, - _UnaryOperation __fw); - _LIBCPP_HIDE_FROM_ABI param_type(param_type const&) = default; - _LIBCPP_HIDE_FROM_ABI param_type & operator=(const param_type& __rhs); - - _LIBCPP_HIDE_FROM_ABI - vector<result_type> intervals() const {return __b_;} - _LIBCPP_HIDE_FROM_ABI - vector<result_type> densities() const {return __densities_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - - private: - _LIBCPP_HIDE_FROM_ABI void __init(); - - friend class piecewise_linear_distribution; - - template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_linear_distribution<_RT>& __x); - - template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_linear_distribution<_RT>& __x); - }; + // types + typedef _RealType result_type; -private: - param_type __p_; + class _LIBCPP_TEMPLATE_VIS param_type { + vector<result_type> __b_; + vector<result_type> __densities_; + vector<result_type> __areas_; -public: - // constructor and reset functions - _LIBCPP_HIDE_FROM_ABI - piecewise_linear_distribution() {} - template<class _InputIteratorB, class _InputIteratorW> - _LIBCPP_HIDE_FROM_ABI - piecewise_linear_distribution(_InputIteratorB __f_b, - _InputIteratorB __l_b, - _InputIteratorW __f_w) - : __p_(__f_b, __l_b, __f_w) {} + public: + typedef piecewise_linear_distribution distribution_type; + _LIBCPP_HIDE_FROM_ABI param_type(); + template <class _InputIteratorB, class _InputIteratorW> + _LIBCPP_HIDE_FROM_ABI param_type(_InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w); #ifndef _LIBCPP_CXX03_LANG - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI - piecewise_linear_distribution(initializer_list<result_type> __bl, - _UnaryOperation __fw) - : __p_(__bl, __fw) {} + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); #endif // _LIBCPP_CXX03_LANG + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI param_type(size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw); + _LIBCPP_HIDE_FROM_ABI param_type(param_type const&) = default; + _LIBCPP_HIDE_FROM_ABI param_type& operator=(const param_type& __rhs); - template<class _UnaryOperation> - _LIBCPP_HIDE_FROM_ABI - piecewise_linear_distribution(size_t __nw, result_type __xmin, - result_type __xmax, _UnaryOperation __fw) - : __p_(__nw, __xmin, __xmax, __fw) {} - - _LIBCPP_HIDE_FROM_ABI - explicit piecewise_linear_distribution(const param_type& __p) - : __p_(__p) {} - - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - vector<result_type> intervals() const {return __p_.intervals();} - _LIBCPP_HIDE_FROM_ABI - vector<result_type> densities() const {return __p_.densities();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return __p_.__b_.front();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return __p_.__b_.back();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const piecewise_linear_distribution& __x, - const piecewise_linear_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const piecewise_linear_distribution& __x, - const piecewise_linear_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI vector<result_type> intervals() const { return __b_; } + _LIBCPP_HIDE_FROM_ABI vector<result_type> densities() const { return __densities_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + + private: + _LIBCPP_HIDE_FROM_ABI void __init(); + + friend class piecewise_linear_distribution; template <class _CharT, class _Traits, class _RT> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_linear_distribution<_RT>& __x); + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_linear_distribution<_RT>& __x); template <class _CharT, class _Traits, class _RT> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_linear_distribution<_RT>& __x); + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_linear_distribution<_RT>& __x); + }; + +private: + param_type __p_; + +public: + // constructor and reset functions + _LIBCPP_HIDE_FROM_ABI piecewise_linear_distribution() {} + template <class _InputIteratorB, class _InputIteratorW> + _LIBCPP_HIDE_FROM_ABI + piecewise_linear_distribution(_InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) + : __p_(__f_b, __l_b, __f_w) {} + +#ifndef _LIBCPP_CXX03_LANG + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI piecewise_linear_distribution(initializer_list<result_type> __bl, _UnaryOperation __fw) + : __p_(__bl, __fw) {} +#endif // _LIBCPP_CXX03_LANG + + template <class _UnaryOperation> + _LIBCPP_HIDE_FROM_ABI + piecewise_linear_distribution(size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) + : __p_(__nw, __xmin, __xmax, __fw) {} + + _LIBCPP_HIDE_FROM_ABI explicit piecewise_linear_distribution(const param_type& __p) : __p_(__p) {} + + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI vector<result_type> intervals() const { return __p_.intervals(); } + _LIBCPP_HIDE_FROM_ABI vector<result_type> densities() const { return __p_.densities(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return __p_.__b_.front(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return __p_.__b_.back(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const piecewise_linear_distribution& __x, const piecewise_linear_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const piecewise_linear_distribution& __x, const piecewise_linear_distribution& __y) { + return !(__x == __y); + } + + template <class _CharT, class _Traits, class _RT> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_linear_distribution<_RT>& __x); + + template <class _CharT, class _Traits, class _RT> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_linear_distribution<_RT>& __x); }; -template<class _RealType> -typename piecewise_linear_distribution<_RealType>::param_type & -piecewise_linear_distribution<_RealType>::param_type::operator= - (const param_type& __rhs) -{ -// These can throw - __b_.reserve (__rhs.__b_.size ()); - __densities_.reserve(__rhs.__densities_.size()); - __areas_.reserve (__rhs.__areas_.size()); - -// These can not throw - __b_ = __rhs.__b_; - __densities_ = __rhs.__densities_; - __areas_ = __rhs.__areas_; - return *this; +template <class _RealType> +typename piecewise_linear_distribution<_RealType>::param_type& +piecewise_linear_distribution<_RealType>::param_type::operator=(const param_type& __rhs) { + // These can throw + __b_.reserve(__rhs.__b_.size()); + __densities_.reserve(__rhs.__densities_.size()); + __areas_.reserve(__rhs.__areas_.size()); + + // These can not throw + __b_ = __rhs.__b_; + __densities_ = __rhs.__densities_; + __areas_ = __rhs.__areas_; + return *this; } - -template<class _RealType> -void -piecewise_linear_distribution<_RealType>::param_type::__init() -{ - __areas_.assign(__densities_.size() - 1, result_type()); - result_type __sp = 0; - for (size_t __i = 0; __i < __areas_.size(); ++__i) - { - __areas_[__i] = (__densities_[__i+1] + __densities_[__i]) * - (__b_[__i+1] - __b_[__i]) * .5; - __sp += __areas_[__i]; - } - for (size_t __i = __areas_.size(); __i > 1;) - { - --__i; - __areas_[__i] = __areas_[__i-1] / __sp; - } - __areas_[0] = 0; - for (size_t __i = 1; __i < __areas_.size(); ++__i) - __areas_[__i] += __areas_[__i-1]; - for (size_t __i = 0; __i < __densities_.size(); ++__i) - __densities_[__i] /= __sp; +template <class _RealType> +void piecewise_linear_distribution<_RealType>::param_type::__init() { + __areas_.assign(__densities_.size() - 1, result_type()); + result_type __sp = 0; + for (size_t __i = 0; __i < __areas_.size(); ++__i) { + __areas_[__i] = (__densities_[__i + 1] + __densities_[__i]) * (__b_[__i + 1] - __b_[__i]) * .5; + __sp += __areas_[__i]; + } + for (size_t __i = __areas_.size(); __i > 1;) { + --__i; + __areas_[__i] = __areas_[__i - 1] / __sp; + } + __areas_[0] = 0; + for (size_t __i = 1; __i < __areas_.size(); ++__i) + __areas_[__i] += __areas_[__i - 1]; + for (size_t __i = 0; __i < __densities_.size(); ++__i) + __densities_[__i] /= __sp; } -template<class _RealType> -piecewise_linear_distribution<_RealType>::param_type::param_type() - : __b_(2), - __densities_(2, 1.0), - __areas_(1, 0.0) -{ - __b_[1] = 1; +template <class _RealType> +piecewise_linear_distribution<_RealType>::param_type::param_type() : __b_(2), __densities_(2, 1.0), __areas_(1, 0.0) { + __b_[1] = 1; } -template<class _RealType> -template<class _InputIteratorB, class _InputIteratorW> +template <class _RealType> +template <class _InputIteratorB, class _InputIteratorW> piecewise_linear_distribution<_RealType>::param_type::param_type( - _InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) - : __b_(__f_b, __l_b) -{ - if (__b_.size() < 2) - { - __b_.resize(2); - __b_[0] = 0; - __b_[1] = 1; - __densities_.assign(2, 1.0); - __areas_.assign(1, 0.0); - } - else - { - __densities_.reserve(__b_.size()); - for (size_t __i = 0; __i < __b_.size(); ++__i, ++__f_w) - __densities_.push_back(*__f_w); - __init(); - } + _InputIteratorB __f_b, _InputIteratorB __l_b, _InputIteratorW __f_w) + : __b_(__f_b, __l_b) { + if (__b_.size() < 2) { + __b_.resize(2); + __b_[0] = 0; + __b_[1] = 1; + __densities_.assign(2, 1.0); + __areas_.assign(1, 0.0); + } else { + __densities_.reserve(__b_.size()); + for (size_t __i = 0; __i < __b_.size(); ++__i, ++__f_w) + __densities_.push_back(*__f_w); + __init(); + } } #ifndef _LIBCPP_CXX03_LANG -template<class _RealType> -template<class _UnaryOperation> +template <class _RealType> +template <class _UnaryOperation> piecewise_linear_distribution<_RealType>::param_type::param_type( - initializer_list<result_type> __bl, _UnaryOperation __fw) - : __b_(__bl.begin(), __bl.end()) -{ - if (__b_.size() < 2) - { - __b_.resize(2); - __b_[0] = 0; - __b_[1] = 1; - __densities_.assign(2, 1.0); - __areas_.assign(1, 0.0); - } - else - { - __densities_.reserve(__b_.size()); - for (size_t __i = 0; __i < __b_.size(); ++__i) - __densities_.push_back(__fw(__b_[__i])); - __init(); - } + initializer_list<result_type> __bl, _UnaryOperation __fw) + : __b_(__bl.begin(), __bl.end()) { + if (__b_.size() < 2) { + __b_.resize(2); + __b_[0] = 0; + __b_[1] = 1; + __densities_.assign(2, 1.0); + __areas_.assign(1, 0.0); + } else { + __densities_.reserve(__b_.size()); + for (size_t __i = 0; __i < __b_.size(); ++__i) + __densities_.push_back(__fw(__b_[__i])); + __init(); + } } #endif // _LIBCPP_CXX03_LANG -template<class _RealType> -template<class _UnaryOperation> +template <class _RealType> +template <class _UnaryOperation> piecewise_linear_distribution<_RealType>::param_type::param_type( - size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) - : __b_(__nw == 0 ? 2 : __nw + 1) -{ - size_t __n = __b_.size() - 1; - result_type __d = (__xmax - __xmin) / __n; - __densities_.reserve(__b_.size()); - for (size_t __i = 0; __i < __n; ++__i) - { - __b_[__i] = __xmin + __i * __d; - __densities_.push_back(__fw(__b_[__i])); - } - __b_[__n] = __xmax; - __densities_.push_back(__fw(__b_[__n])); - __init(); + size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) + : __b_(__nw == 0 ? 2 : __nw + 1) { + size_t __n = __b_.size() - 1; + result_type __d = (__xmax - __xmin) / __n; + __densities_.reserve(__b_.size()); + for (size_t __i = 0; __i < __n; ++__i) { + __b_[__i] = __xmin + __i * __d; + __densities_.push_back(__fw(__b_[__i])); + } + __b_[__n] = __xmax; + __densities_.push_back(__fw(__b_[__n])); + __init(); } -template<class _RealType> -template<class _URNG> -_RealType -piecewise_linear_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - typedef uniform_real_distribution<result_type> _Gen; - result_type __u = _Gen()(__g); - ptrdiff_t __k = std::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), - __u) - __p.__areas_.begin() - 1; - __u -= __p.__areas_[__k]; - const result_type __dk = __p.__densities_[__k]; - const result_type __dk1 = __p.__densities_[__k+1]; - const result_type __deltad = __dk1 - __dk; - const result_type __bk = __p.__b_[__k]; - if (__deltad == 0) - return __u / __dk + __bk; - const result_type __bk1 = __p.__b_[__k+1]; - const result_type __deltab = __bk1 - __bk; - return (__bk * __dk1 - __bk1 * __dk + - std::sqrt(__deltab * (__deltab * __dk * __dk + 2 * __deltad * __u))) / - __deltad; +template <class _RealType> +template <class _URNG> +_RealType piecewise_linear_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + typedef uniform_real_distribution<result_type> _Gen; + result_type __u = _Gen()(__g); + ptrdiff_t __k = std::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), __u) - __p.__areas_.begin() - 1; + __u -= __p.__areas_[__k]; + const result_type __dk = __p.__densities_[__k]; + const result_type __dk1 = __p.__densities_[__k + 1]; + const result_type __deltad = __dk1 - __dk; + const result_type __bk = __p.__b_[__k]; + if (__deltad == 0) + return __u / __dk + __bk; + const result_type __bk1 = __p.__b_[__k + 1]; + const result_type __deltab = __bk1 - __bk; + return (__bk * __dk1 - __bk1 * __dk + std::sqrt(__deltab * (__deltab * __dk * __dk + 2 * __deltad * __u))) / __deltad; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const piecewise_linear_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - size_t __n = __x.__p_.__b_.size(); - __os << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__b_[__i]; - __n = __x.__p_.__densities_.size(); - __os << __sp << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__densities_[__i]; - __n = __x.__p_.__areas_.size(); - __os << __sp << __n; - for (size_t __i = 0; __i < __n; ++__i) - __os << __sp << __x.__p_.__areas_[__i]; - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const piecewise_linear_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + size_t __n = __x.__p_.__b_.size(); + __os << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__b_[__i]; + __n = __x.__p_.__densities_.size(); + __os << __sp << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__densities_[__i]; + __n = __x.__p_.__areas_.size(); + __os << __sp << __n; + for (size_t __i = 0; __i < __n; ++__i) + __os << __sp << __x.__p_.__areas_[__i]; + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - piecewise_linear_distribution<_RT>& __x) -{ - typedef piecewise_linear_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - size_t __n; - __is >> __n; - vector<result_type> __b(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __b[__i]; - __is >> __n; - vector<result_type> __densities(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __densities[__i]; - __is >> __n; - vector<result_type> __areas(__n); - for (size_t __i = 0; __i < __n; ++__i) - __is >> __areas[__i]; - if (!__is.fail()) - { - swap(__x.__p_.__b_, __b); - swap(__x.__p_.__densities_, __densities); - swap(__x.__p_.__areas_, __areas); - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, piecewise_linear_distribution<_RT>& __x) { + typedef piecewise_linear_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + size_t __n; + __is >> __n; + vector<result_type> __b(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __b[__i]; + __is >> __n; + vector<result_type> __densities(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __densities[__i]; + __is >> __n; + vector<result_type> __areas(__n); + for (size_t __i = 0; __i < __n; ++__i) + __is >> __areas[__i]; + if (!__is.fail()) { + swap(__x.__p_.__b_, __b); + swap(__x.__p_.__densities_, __densities); + swap(__x.__p_.__areas_, __areas); + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/poisson_distribution.h b/contrib/llvm-project/libcxx/include/__random/poisson_distribution.h index 12641addf494..61a092ef9dd4 100644 --- a/contrib/llvm-project/libcxx/include/__random/poisson_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/poisson_distribution.h @@ -28,250 +28,210 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _IntType = int> -class _LIBCPP_TEMPLATE_VIS poisson_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); -public: - // types - typedef _IntType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - double __mean_; - double __s_; - double __d_; - double __l_; - double __omega_; - double __c0_; - double __c1_; - double __c2_; - double __c3_; - double __c_; - - public: - typedef poisson_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI explicit param_type(double __mean = 1.0); +template <class _IntType = int> +class _LIBCPP_TEMPLATE_VIS poisson_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); - _LIBCPP_HIDE_FROM_ABI - double mean() const {return __mean_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__mean_ == __y.__mean_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} +public: + // types + typedef _IntType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + double __mean_; + double __s_; + double __d_; + double __l_; + double __omega_; + double __c0_; + double __c1_; + double __c2_; + double __c3_; + double __c_; + + public: + typedef poisson_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(double __mean = 1.0); + + _LIBCPP_HIDE_FROM_ABI double mean() const { return __mean_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__mean_ == __y.__mean_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } - friend class poisson_distribution; - }; + friend class poisson_distribution; + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - poisson_distribution() : poisson_distribution(1.0) {} - _LIBCPP_HIDE_FROM_ABI - explicit poisson_distribution(double __mean) - : __p_(__mean) {} + _LIBCPP_HIDE_FROM_ABI poisson_distribution() : poisson_distribution(1.0) {} + _LIBCPP_HIDE_FROM_ABI explicit poisson_distribution(double __mean) : __p_(__mean) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit poisson_distribution(double __mean = 1.0) - : __p_(__mean) {} + _LIBCPP_HIDE_FROM_ABI explicit poisson_distribution(double __mean = 1.0) : __p_(__mean) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit poisson_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - double mean() const {return __p_.mean();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::max();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const poisson_distribution& __x, - const poisson_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const poisson_distribution& __x, - const poisson_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit poisson_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI double mean() const { return __p_.mean(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::max(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const poisson_distribution& __x, const poisson_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const poisson_distribution& __x, const poisson_distribution& __y) { + return !(__x == __y); + } }; -template<class _IntType> +template <class _IntType> poisson_distribution<_IntType>::param_type::param_type(double __mean) // According to the standard `inf` is a valid input, but it causes the // distribution to hang, so we replace it with the maximum representable // mean. - : __mean_(isinf(__mean) ? numeric_limits<double>::max() : __mean) -{ - if (__mean_ < 10) - { - __s_ = 0; - __d_ = 0; - __l_ = std::exp(-__mean_); - __omega_ = 0; - __c3_ = 0; - __c2_ = 0; - __c1_ = 0; - __c0_ = 0; - __c_ = 0; - } - else - { - __s_ = std::sqrt(__mean_); - __d_ = 6 * __mean_ * __mean_; - __l_ = std::trunc(__mean_ - 1.1484); - __omega_ = .3989423 / __s_; - double __b1 = .4166667E-1 / __mean_; - double __b2 = .3 * __b1 * __b1; - __c3_ = .1428571 * __b1 * __b2; - __c2_ = __b2 - 15. * __c3_; - __c1_ = __b1 - 6. * __b2 + 45. * __c3_; - __c0_ = 1. - __b1 + 3. * __b2 - 15. * __c3_; - __c_ = .1069 / __mean_; - } + : __mean_(isinf(__mean) ? numeric_limits<double>::max() : __mean) { + if (__mean_ < 10) { + __s_ = 0; + __d_ = 0; + __l_ = std::exp(-__mean_); + __omega_ = 0; + __c3_ = 0; + __c2_ = 0; + __c1_ = 0; + __c0_ = 0; + __c_ = 0; + } else { + __s_ = std::sqrt(__mean_); + __d_ = 6 * __mean_ * __mean_; + __l_ = std::trunc(__mean_ - 1.1484); + __omega_ = .3989423 / __s_; + double __b1 = .4166667E-1 / __mean_; + double __b2 = .3 * __b1 * __b1; + __c3_ = .1428571 * __b1 * __b2; + __c2_ = __b2 - 15. * __c3_; + __c1_ = __b1 - 6. * __b2 + 45. * __c3_; + __c0_ = 1. - __b1 + 3. * __b2 - 15. * __c3_; + __c_ = .1069 / __mean_; + } } template <class _IntType> -template<class _URNG> -_IntType -poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - double __tx; - uniform_real_distribution<double> __urd; - if (__pr.__mean_ < 10) - { - __tx = 0; - for (double __p = __urd(__urng); __p > __pr.__l_; ++__tx) - __p *= __urd(__urng); +template <class _URNG> +_IntType poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + double __tx; + uniform_real_distribution<double> __urd; + if (__pr.__mean_ < 10) { + __tx = 0; + for (double __p = __urd(__urng); __p > __pr.__l_; ++__tx) + __p *= __urd(__urng); + } else { + double __difmuk; + double __g = __pr.__mean_ + __pr.__s_ * normal_distribution<double>()(__urng); + double __u; + if (__g > 0) { + __tx = std::trunc(__g); + if (__tx >= __pr.__l_) + return std::__clamp_to_integral<result_type>(__tx); + __difmuk = __pr.__mean_ - __tx; + __u = __urd(__urng); + if (__pr.__d_ * __u >= __difmuk * __difmuk * __difmuk) + return std::__clamp_to_integral<result_type>(__tx); } - else - { - double __difmuk; - double __g = __pr.__mean_ + __pr.__s_ * normal_distribution<double>()(__urng); - double __u; - if (__g > 0) - { - __tx = std::trunc(__g); - if (__tx >= __pr.__l_) - return std::__clamp_to_integral<result_type>(__tx); - __difmuk = __pr.__mean_ - __tx; - __u = __urd(__urng); - if (__pr.__d_ * __u >= __difmuk * __difmuk * __difmuk) - return std::__clamp_to_integral<result_type>(__tx); - } - exponential_distribution<double> __edist; - for (bool __using_exp_dist = false; true; __using_exp_dist = true) - { - double __e; - if (__using_exp_dist || __g <= 0) - { - double __t; - do - { - __e = __edist(__urng); - __u = __urd(__urng); - __u += __u - 1; - __t = 1.8 + (__u < 0 ? -__e : __e); - } while (__t <= -.6744); - __tx = std::trunc(__pr.__mean_ + __pr.__s_ * __t); - __difmuk = __pr.__mean_ - __tx; - __using_exp_dist = true; - } - double __px; - double __py; - if (__tx < 10 && __tx >= 0) - { - const double __fac[] = {1, 1, 2, 6, 24, 120, 720, 5040, - 40320, 362880}; - __px = -__pr.__mean_; - __py = std::pow(__pr.__mean_, (double)__tx) / __fac[static_cast<int>(__tx)]; - } - else - { - double __del = .8333333E-1 / __tx; - __del -= 4.8 * __del * __del * __del; - double __v = __difmuk / __tx; - if (std::abs(__v) > 0.25) - __px = __tx * std::log(1 + __v) - __difmuk - __del; - else - __px = __tx * __v * __v * (((((((.1250060 * __v + -.1384794) * - __v + .1421878) * __v + -.1661269) * __v + .2000118) * - __v + -.2500068) * __v + .3333333) * __v + -.5) - __del; - __py = .3989423 / std::sqrt(__tx); - } - double __r = (0.5 - __difmuk) / __pr.__s_; - double __r2 = __r * __r; - double __fx = -0.5 * __r2; - double __fy = __pr.__omega_ * (((__pr.__c3_ * __r2 + __pr.__c2_) * - __r2 + __pr.__c1_) * __r2 + __pr.__c0_); - if (__using_exp_dist) - { - if (__pr.__c_ * std::abs(__u) <= __py * std::exp(__px + __e) - - __fy * std::exp(__fx + __e)) - break; - } - else - { - if (__fy - __u * __fy <= __py * std::exp(__px - __fx)) - break; - } - } + exponential_distribution<double> __edist; + for (bool __using_exp_dist = false; true; __using_exp_dist = true) { + double __e; + if (__using_exp_dist || __g <= 0) { + double __t; + do { + __e = __edist(__urng); + __u = __urd(__urng); + __u += __u - 1; + __t = 1.8 + (__u < 0 ? -__e : __e); + } while (__t <= -.6744); + __tx = std::trunc(__pr.__mean_ + __pr.__s_ * __t); + __difmuk = __pr.__mean_ - __tx; + __using_exp_dist = true; + } + double __px; + double __py; + if (__tx < 10 && __tx >= 0) { + const double __fac[] = {1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880}; + __px = -__pr.__mean_; + __py = std::pow(__pr.__mean_, (double)__tx) / __fac[static_cast<int>(__tx)]; + } else { + double __del = .8333333E-1 / __tx; + __del -= 4.8 * __del * __del * __del; + double __v = __difmuk / __tx; + if (std::abs(__v) > 0.25) + __px = __tx * std::log(1 + __v) - __difmuk - __del; + else + __px = __tx * __v * __v * + (((((((.1250060 * __v + -.1384794) * __v + .1421878) * __v + -.1661269) * __v + .2000118) * __v + + -.2500068) * + __v + + .3333333) * + __v + + -.5) - + __del; + __py = .3989423 / std::sqrt(__tx); + } + double __r = (0.5 - __difmuk) / __pr.__s_; + double __r2 = __r * __r; + double __fx = -0.5 * __r2; + double __fy = __pr.__omega_ * (((__pr.__c3_ * __r2 + __pr.__c2_) * __r2 + __pr.__c1_) * __r2 + __pr.__c0_); + if (__using_exp_dist) { + if (__pr.__c_ * std::abs(__u) <= __py * std::exp(__px + __e) - __fy * std::exp(__fx + __e)) + break; + } else { + if (__fy - __u * __fy <= __py * std::exp(__px - __fx)) + break; + } } - return std::__clamp_to_integral<result_type>(__tx); + } + return std::__clamp_to_integral<result_type>(__tx); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const poisson_distribution<_IntType>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - return __os << __x.mean(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const poisson_distribution<_IntType>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + return __os << __x.mean(); } template <class _CharT, class _Traits, class _IntType> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - poisson_distribution<_IntType>& __x) -{ - typedef poisson_distribution<_IntType> _Eng; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - double __mean; - __is >> __mean; - if (!__is.fail()) - __x.param(param_type(__mean)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, poisson_distribution<_IntType>& __x) { + typedef poisson_distribution<_IntType> _Eng; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + double __mean; + __is >> __mean; + if (!__is.fail()) + __x.param(param_type(__mean)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/random_device.h b/contrib/llvm-project/libcxx/include/__random/random_device.h index ad75165b7474..52407943d2ec 100644 --- a/contrib/llvm-project/libcxx/include/__random/random_device.h +++ b/contrib/llvm-project/libcxx/include/__random/random_device.h @@ -23,56 +23,53 @@ _LIBCPP_BEGIN_NAMESPACE_STD #if !defined(_LIBCPP_HAS_NO_RANDOM_DEVICE) -class _LIBCPP_EXPORTED_FROM_ABI random_device -{ -#ifdef _LIBCPP_USING_DEV_RANDOM - int __f_; -#elif !defined(_LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT) - _LIBCPP_DIAGNOSTIC_PUSH - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wunused-private-field") - - // Apple platforms used to use the `_LIBCPP_USING_DEV_RANDOM` code path, and now - // use `arc4random()` as of this comment. In order to avoid breaking the ABI, we - // retain the same layout as before. -# if defined(__APPLE__) - int __padding_; // padding to fake the `__f_` field above -# endif - - // ... vendors can add workarounds here if they switch to a different representation ... - - _LIBCPP_DIAGNOSTIC_POP -#endif +class _LIBCPP_EXPORTED_FROM_ABI random_device { +# ifdef _LIBCPP_USING_DEV_RANDOM + int __f_; +# elif !defined(_LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT) + _LIBCPP_DIAGNOSTIC_PUSH + _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wunused-private-field") + + // Apple platforms used to use the `_LIBCPP_USING_DEV_RANDOM` code path, and now + // use `arc4random()` as of this comment. In order to avoid breaking the ABI, we + // retain the same layout as before. +# if defined(__APPLE__) + int __padding_; // padding to fake the `__f_` field above +# endif + + // ... vendors can add workarounds here if they switch to a different representation ... + + _LIBCPP_DIAGNOSTIC_POP +# endif public: - // types - typedef unsigned result_type; - - // generator characteristics - static _LIBCPP_CONSTEXPR const result_type _Min = 0; - static _LIBCPP_CONSTEXPR const result_type _Max = 0xFFFFFFFFu; - - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Min;} - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Max;} - - // constructors -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI random_device() : random_device("/dev/urandom") {} - explicit random_device(const string& __token); -#else - explicit random_device(const string& __token = "/dev/urandom"); -#endif - ~random_device(); + // types + typedef unsigned result_type; + + // generator characteristics + static _LIBCPP_CONSTEXPR const result_type _Min = 0; + static _LIBCPP_CONSTEXPR const result_type _Max = 0xFFFFFFFFu; + + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + + // constructors +# ifndef _LIBCPP_CXX03_LANG + _LIBCPP_HIDE_FROM_ABI random_device() : random_device("/dev/urandom") {} + explicit random_device(const string& __token); +# else + explicit random_device(const string& __token = "/dev/urandom"); +# endif + ~random_device(); - // generating functions - result_type operator()(); + // generating functions + result_type operator()(); - // property functions - double entropy() const _NOEXCEPT; + // property functions + double entropy() const _NOEXCEPT; - random_device(const random_device&) = delete; - void operator=(const random_device&) = delete; + random_device(const random_device&) = delete; + void operator=(const random_device&) = delete; }; #endif // !_LIBCPP_HAS_NO_RANDOM_DEVICE diff --git a/contrib/llvm-project/libcxx/include/__random/ranlux.h b/contrib/llvm-project/libcxx/include/__random/ranlux.h index e44cece39dfc..952afde91b10 100644 --- a/contrib/llvm-project/libcxx/include/__random/ranlux.h +++ b/contrib/llvm-project/libcxx/include/__random/ranlux.h @@ -21,7 +21,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base; -typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; +typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24; typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48; diff --git a/contrib/llvm-project/libcxx/include/__random/seed_seq.h b/contrib/llvm-project/libcxx/include/__random/seed_seq.h index 7ae9f492c8af..17a7de02fbd3 100644 --- a/contrib/llvm-project/libcxx/include/__random/seed_seq.h +++ b/contrib/llvm-project/libcxx/include/__random/seed_seq.h @@ -27,149 +27,130 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -class _LIBCPP_TEMPLATE_VIS seed_seq -{ +class _LIBCPP_TEMPLATE_VIS seed_seq { public: - // types - typedef uint32_t result_type; + // types + typedef uint32_t result_type; - // constructors - _LIBCPP_HIDE_FROM_ABI - seed_seq() _NOEXCEPT {} + // constructors + _LIBCPP_HIDE_FROM_ABI seed_seq() _NOEXCEPT {} #ifndef _LIBCPP_CXX03_LANG - template<class _Tp, __enable_if_t<is_integral<_Tp>::value>* = nullptr> - _LIBCPP_HIDE_FROM_ABI - seed_seq(initializer_list<_Tp> __il) { - __init(__il.begin(), __il.end()); - } + template <class _Tp, __enable_if_t<is_integral<_Tp>::value>* = nullptr> + _LIBCPP_HIDE_FROM_ABI seed_seq(initializer_list<_Tp> __il) { + __init(__il.begin(), __il.end()); + } #endif // _LIBCPP_CXX03_LANG - template<class _InputIterator> - _LIBCPP_HIDE_FROM_ABI - seed_seq(_InputIterator __first, _InputIterator __last) { - static_assert(is_integral<typename iterator_traits<_InputIterator>::value_type>::value, - "Mandates: iterator_traits<InputIterator>::value_type is an integer type"); - __init(__first, __last); - } + template <class _InputIterator> + _LIBCPP_HIDE_FROM_ABI seed_seq(_InputIterator __first, _InputIterator __last) { + static_assert(is_integral<typename iterator_traits<_InputIterator>::value_type>::value, + "Mandates: iterator_traits<InputIterator>::value_type is an integer type"); + __init(__first, __last); + } - // generating functions - template<class _RandomAccessIterator> - _LIBCPP_HIDE_FROM_ABI void generate(_RandomAccessIterator __first, _RandomAccessIterator __last); + // generating functions + template <class _RandomAccessIterator> + _LIBCPP_HIDE_FROM_ABI void generate(_RandomAccessIterator __first, _RandomAccessIterator __last); - // property functions - _LIBCPP_HIDE_FROM_ABI - size_t size() const _NOEXCEPT {return __v_.size();} - template<class _OutputIterator> - _LIBCPP_HIDE_FROM_ABI - void param(_OutputIterator __dest) const - {std::copy(__v_.begin(), __v_.end(), __dest);} + // property functions + _LIBCPP_HIDE_FROM_ABI size_t size() const _NOEXCEPT { return __v_.size(); } + template <class _OutputIterator> + _LIBCPP_HIDE_FROM_ABI void param(_OutputIterator __dest) const { + std::copy(__v_.begin(), __v_.end(), __dest); + } - seed_seq(const seed_seq&) = delete; - void operator=(const seed_seq&) = delete; + seed_seq(const seed_seq&) = delete; + void operator=(const seed_seq&) = delete; - _LIBCPP_HIDE_FROM_ABI - static result_type _Tp(result_type __x) {return __x ^ (__x >> 27);} + _LIBCPP_HIDE_FROM_ABI static result_type _Tp(result_type __x) { return __x ^ (__x >> 27); } private: - template<class _InputIterator> - _LIBCPP_HIDE_FROM_ABI void __init(_InputIterator __first, _InputIterator __last); + template <class _InputIterator> + _LIBCPP_HIDE_FROM_ABI void __init(_InputIterator __first, _InputIterator __last); - vector<result_type> __v_; + vector<result_type> __v_; }; -template<class _InputIterator> -void -seed_seq::__init(_InputIterator __first, _InputIterator __last) -{ - for (_InputIterator __s = __first; __s != __last; ++__s) - __v_.push_back(*__s & 0xFFFFFFFF); +template <class _InputIterator> +void seed_seq::__init(_InputIterator __first, _InputIterator __last) { + for (_InputIterator __s = __first; __s != __last; ++__s) + __v_.push_back(*__s & 0xFFFFFFFF); } -template<class _RandomAccessIterator> -void -seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last) -{ - if (__first != __last) +template <class _RandomAccessIterator> +void seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last) { + if (__first != __last) { + std::fill(__first, __last, 0x8b8b8b8b); + const size_t __n = static_cast<size_t>(__last - __first); + const size_t __s = __v_.size(); + const size_t __t = (__n >= 623) ? 11 : (__n >= 68) ? 7 : (__n >= 39) ? 5 : (__n >= 7) ? 3 : (__n - 1) / 2; + const size_t __p = (__n - __t) / 2; + const size_t __q = __p + __t; + const size_t __m = std::max(__s + 1, __n); + // __k = 0; { - std::fill(__first, __last, 0x8b8b8b8b); - const size_t __n = static_cast<size_t>(__last - __first); - const size_t __s = __v_.size(); - const size_t __t = (__n >= 623) ? 11 - : (__n >= 68) ? 7 - : (__n >= 39) ? 5 - : (__n >= 7) ? 3 - : (__n - 1) / 2; - const size_t __p = (__n - __t) / 2; - const size_t __q = __p + __t; - const size_t __m = std::max(__s + 1, __n); - // __k = 0; - { - result_type __r = 1664525 * _Tp(__first[0] ^ __first[__p] - ^ __first[__n - 1]); - __first[__p] += __r; - __r += __s; - __first[__q] += __r; - __first[0] = __r; - } - // Initialize indexing terms used with if statements as an optimization to - // avoid calculating modulo n on every loop iteration for each term. - size_t __kmodn = 0; // __k % __n - size_t __k1modn = __n - 1; // (__k - 1) % __n - size_t __kpmodn = __p % __n; // (__k + __p) % __n - size_t __kqmodn = __q % __n; // (__k + __q) % __n - - for (size_t __k = 1; __k <= __s; ++__k) - { - if (++__kmodn == __n) - __kmodn = 0; - if (++__k1modn == __n) - __k1modn = 0; - if (++__kpmodn == __n) - __kpmodn = 0; - if (++__kqmodn == __n) - __kqmodn = 0; - - result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] ^ __first[__k1modn]); - __first[__kpmodn] += __r; - __r += __kmodn + __v_[__k - 1]; - __first[__kqmodn] += __r; - __first[__kmodn] = __r; - } - for (size_t __k = __s + 1; __k < __m; ++__k) - { - if (++__kmodn == __n) - __kmodn = 0; - if (++__k1modn == __n) - __k1modn = 0; - if (++__kpmodn == __n) - __kpmodn = 0; - if (++__kqmodn == __n) - __kqmodn = 0; - - result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] ^ __first[__k1modn]); - __first[__kpmodn] += __r; - __r += __kmodn; - __first[__kqmodn] += __r; - __first[__kmodn] = __r; - } - for (size_t __k = __m; __k < __m + __n; ++__k) - { - if (++__kmodn == __n) - __kmodn = 0; - if (++__k1modn == __n) - __k1modn = 0; - if (++__kpmodn == __n) - __kpmodn = 0; - if (++__kqmodn == __n) - __kqmodn = 0; - - result_type __r = 1566083941 * _Tp(__first[__kmodn] + __first[__kpmodn] + __first[__k1modn]); - __first[__kpmodn] ^= __r; - __r -= __kmodn; - __first[__kqmodn] ^= __r; - __first[__kmodn] = __r; - } + result_type __r = 1664525 * _Tp(__first[0] ^ __first[__p] ^ __first[__n - 1]); + __first[__p] += __r; + __r += __s; + __first[__q] += __r; + __first[0] = __r; + } + // Initialize indexing terms used with if statements as an optimization to + // avoid calculating modulo n on every loop iteration for each term. + size_t __kmodn = 0; // __k % __n + size_t __k1modn = __n - 1; // (__k - 1) % __n + size_t __kpmodn = __p % __n; // (__k + __p) % __n + size_t __kqmodn = __q % __n; // (__k + __q) % __n + + for (size_t __k = 1; __k <= __s; ++__k) { + if (++__kmodn == __n) + __kmodn = 0; + if (++__k1modn == __n) + __k1modn = 0; + if (++__kpmodn == __n) + __kpmodn = 0; + if (++__kqmodn == __n) + __kqmodn = 0; + + result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] ^ __first[__k1modn]); + __first[__kpmodn] += __r; + __r += __kmodn + __v_[__k - 1]; + __first[__kqmodn] += __r; + __first[__kmodn] = __r; + } + for (size_t __k = __s + 1; __k < __m; ++__k) { + if (++__kmodn == __n) + __kmodn = 0; + if (++__k1modn == __n) + __k1modn = 0; + if (++__kpmodn == __n) + __kpmodn = 0; + if (++__kqmodn == __n) + __kqmodn = 0; + + result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] ^ __first[__k1modn]); + __first[__kpmodn] += __r; + __r += __kmodn; + __first[__kqmodn] += __r; + __first[__kmodn] = __r; + } + for (size_t __k = __m; __k < __m + __n; ++__k) { + if (++__kmodn == __n) + __kmodn = 0; + if (++__k1modn == __n) + __k1modn = 0; + if (++__kpmodn == __n) + __kpmodn = 0; + if (++__kqmodn == __n) + __kqmodn = 0; + + result_type __r = 1566083941 * _Tp(__first[__kmodn] + __first[__kpmodn] + __first[__k1modn]); + __first[__kpmodn] ^= __r; + __r -= __kmodn; + __first[__kqmodn] ^= __r; + __first[__kmodn] = __r; } + } } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/shuffle_order_engine.h b/contrib/llvm-project/libcxx/include/__random/shuffle_order_engine.h index 4836dee48926..f54ed17e3838 100644 --- a/contrib/llvm-project/libcxx/include/__random/shuffle_order_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/shuffle_order_engine.h @@ -30,240 +30,197 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD template <uint64_t _Xp, uint64_t _Yp> -struct __ugcd -{ - static _LIBCPP_CONSTEXPR const uint64_t value = __ugcd<_Yp, _Xp % _Yp>::value; +struct __ugcd { + static _LIBCPP_CONSTEXPR const uint64_t value = __ugcd<_Yp, _Xp % _Yp>::value; }; template <uint64_t _Xp> -struct __ugcd<_Xp, 0> -{ - static _LIBCPP_CONSTEXPR const uint64_t value = _Xp; +struct __ugcd<_Xp, 0> { + static _LIBCPP_CONSTEXPR const uint64_t value = _Xp; }; template <uint64_t _Np, uint64_t _Dp> -class __uratio -{ - static_assert(_Dp != 0, "__uratio divide by 0"); - static _LIBCPP_CONSTEXPR const uint64_t __gcd = __ugcd<_Np, _Dp>::value; +class __uratio { + static_assert(_Dp != 0, "__uratio divide by 0"); + static _LIBCPP_CONSTEXPR const uint64_t __gcd = __ugcd<_Np, _Dp>::value; + public: - static _LIBCPP_CONSTEXPR const uint64_t num = _Np / __gcd; - static _LIBCPP_CONSTEXPR const uint64_t den = _Dp / __gcd; + static _LIBCPP_CONSTEXPR const uint64_t num = _Np / __gcd; + static _LIBCPP_CONSTEXPR const uint64_t den = _Dp / __gcd; - typedef __uratio<num, den> type; + typedef __uratio<num, den> type; }; -template<class _Engine, size_t __k> -class _LIBCPP_TEMPLATE_VIS shuffle_order_engine -{ - static_assert(0 < __k, "shuffle_order_engine invalid parameters"); +template <class _Engine, size_t __k> +class _LIBCPP_TEMPLATE_VIS shuffle_order_engine { + static_assert(0 < __k, "shuffle_order_engine invalid parameters"); + public: - // types - typedef typename _Engine::result_type result_type; + // types + typedef typename _Engine::result_type result_type; private: - _Engine __e_; - result_type __v_[__k]; - result_type __y_; + _Engine __e_; + result_type __v_[__k]; + result_type __y_; public: - // engine characteristics - static _LIBCPP_CONSTEXPR const size_t table_size = __k; + // engine characteristics + static _LIBCPP_CONSTEXPR const size_t table_size = __k; #ifdef _LIBCPP_CXX03_LANG - static const result_type _Min = _Engine::_Min; - static const result_type _Max = _Engine::_Max; + static const result_type _Min = _Engine::_Min; + static const result_type _Max = _Engine::_Max; #else - static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); - static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); + static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); + static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); #endif - static_assert(_Min < _Max, "shuffle_order_engine invalid parameters"); - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Min; } - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Max; } - - static _LIBCPP_CONSTEXPR const unsigned long long _Rp = _Max - _Min + 1ull; - - // constructors and seeding functions - _LIBCPP_HIDE_FROM_ABI - shuffle_order_engine() {__init();} - _LIBCPP_HIDE_FROM_ABI - explicit shuffle_order_engine(const _Engine& __e) - : __e_(__e) {__init();} + static_assert(_Min < _Max, "shuffle_order_engine invalid parameters"); + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + + static _LIBCPP_CONSTEXPR const unsigned long long _Rp = _Max - _Min + 1ull; + + // constructors and seeding functions + _LIBCPP_HIDE_FROM_ABI shuffle_order_engine() { __init(); } + _LIBCPP_HIDE_FROM_ABI explicit shuffle_order_engine(const _Engine& __e) : __e_(__e) { __init(); } #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit shuffle_order_engine(_Engine&& __e) - : __e_(std::move(__e)) {__init();} + _LIBCPP_HIDE_FROM_ABI explicit shuffle_order_engine(_Engine&& __e) : __e_(std::move(__e)) { __init(); } #endif // _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - explicit shuffle_order_engine(result_type __sd) : __e_(__sd) {__init();} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, shuffle_order_engine>::value && - !is_convertible<_Sseq, _Engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit shuffle_order_engine(_Sseq& __q) - : __e_(__q) {__init();} - _LIBCPP_HIDE_FROM_ABI - void seed() {__e_.seed(); __init();} - _LIBCPP_HIDE_FROM_ABI - void seed(result_type __sd) {__e_.seed(__sd); __init();} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, shuffle_order_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) {__e_.seed(__q); __init();} - - // generating functions - _LIBCPP_HIDE_FROM_ABI - result_type operator()() {return __eval(integral_constant<bool, _Rp != 0>());} - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - // property functions - _LIBCPP_HIDE_FROM_ABI - const _Engine& base() const _NOEXCEPT {return __e_;} + _LIBCPP_HIDE_FROM_ABI explicit shuffle_order_engine(result_type __sd) : __e_(__sd) { __init(); } + template < + class _Sseq, + __enable_if_t<__is_seed_sequence<_Sseq, shuffle_order_engine>::value && !is_convertible<_Sseq, _Engine>::value, + int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit shuffle_order_engine(_Sseq& __q) : __e_(__q) { + __init(); + } + _LIBCPP_HIDE_FROM_ABI void seed() { + __e_.seed(); + __init(); + } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd) { + __e_.seed(__sd); + __init(); + } + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, shuffle_order_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __e_.seed(__q); + __init(); + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()() { return __eval(integral_constant<bool, _Rp != 0>()); } + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI const _Engine& base() const _NOEXCEPT { return __e_; } private: - template<class _Eng, size_t _Kp> - friend - bool - operator==( - const shuffle_order_engine<_Eng, _Kp>& __x, - const shuffle_order_engine<_Eng, _Kp>& __y); - - template<class _Eng, size_t _Kp> - friend - bool - operator!=( - const shuffle_order_engine<_Eng, _Kp>& __x, - const shuffle_order_engine<_Eng, _Kp>& __y); - - template <class _CharT, class _Traits, - class _Eng, size_t _Kp> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const shuffle_order_engine<_Eng, _Kp>& __x); - - template <class _CharT, class _Traits, - class _Eng, size_t _Kp> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - shuffle_order_engine<_Eng, _Kp>& __x); - - _LIBCPP_HIDE_FROM_ABI - void __init() - { - for (size_t __i = 0; __i < __k; ++__i) - __v_[__i] = __e_(); - __y_ = __e_(); - } - - _LIBCPP_HIDE_FROM_ABI - result_type __eval(false_type) {return __eval2(integral_constant<bool, __k & 1>());} - _LIBCPP_HIDE_FROM_ABI - result_type __eval(true_type) {return __eval(__uratio<__k, _Rp>());} - - _LIBCPP_HIDE_FROM_ABI - result_type __eval2(false_type) {return __eval(__uratio<__k/2, 0x8000000000000000ull>());} - _LIBCPP_HIDE_FROM_ABI - result_type __eval2(true_type) {return __evalf<__k, 0>();} - - template <uint64_t _Np, uint64_t _Dp, __enable_if_t<(__uratio<_Np, _Dp>::num > 0xFFFFFFFFFFFFFFFFull / (_Max - _Min)), int> = 0> - _LIBCPP_HIDE_FROM_ABI - result_type - __eval(__uratio<_Np, _Dp>) - {return __evalf<__uratio<_Np, _Dp>::num, __uratio<_Np, _Dp>::den>();} - - template <uint64_t _Np, uint64_t _Dp, __enable_if_t<__uratio<_Np, _Dp>::num <= 0xFFFFFFFFFFFFFFFFull / (_Max - _Min), int> = 0> - _LIBCPP_HIDE_FROM_ABI - result_type - __eval(__uratio<_Np, _Dp>) - { - const size_t __j = static_cast<size_t>(__uratio<_Np, _Dp>::num * (__y_ - _Min) - / __uratio<_Np, _Dp>::den); - __y_ = __v_[__j]; - __v_[__j] = __e_(); - return __y_; - } - - template <uint64_t __n, uint64_t __d> - _LIBCPP_HIDE_FROM_ABI - result_type __evalf() - { - const double __fp = __d == 0 ? - __n / (2. * 0x8000000000000000ull) : - __n / (double)__d; - const size_t __j = static_cast<size_t>(__fp * (__y_ - _Min)); - __y_ = __v_[__j]; - __v_[__j] = __e_(); - return __y_; - } + template <class _Eng, size_t _Kp> + friend bool operator==(const shuffle_order_engine<_Eng, _Kp>& __x, const shuffle_order_engine<_Eng, _Kp>& __y); + + template <class _Eng, size_t _Kp> + friend bool operator!=(const shuffle_order_engine<_Eng, _Kp>& __x, const shuffle_order_engine<_Eng, _Kp>& __y); + + template <class _CharT, class _Traits, class _Eng, size_t _Kp> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const shuffle_order_engine<_Eng, _Kp>& __x); + + template <class _CharT, class _Traits, class _Eng, size_t _Kp> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, shuffle_order_engine<_Eng, _Kp>& __x); + + _LIBCPP_HIDE_FROM_ABI void __init() { + for (size_t __i = 0; __i < __k; ++__i) + __v_[__i] = __e_(); + __y_ = __e_(); + } + + _LIBCPP_HIDE_FROM_ABI result_type __eval(false_type) { return __eval2(integral_constant<bool, __k & 1>()); } + _LIBCPP_HIDE_FROM_ABI result_type __eval(true_type) { return __eval(__uratio<__k, _Rp>()); } + + _LIBCPP_HIDE_FROM_ABI result_type __eval2(false_type) { return __eval(__uratio<__k / 2, 0x8000000000000000ull>()); } + _LIBCPP_HIDE_FROM_ABI result_type __eval2(true_type) { return __evalf<__k, 0>(); } + + template <uint64_t _Np, + uint64_t _Dp, + __enable_if_t<(__uratio<_Np, _Dp>::num > 0xFFFFFFFFFFFFFFFFull / (_Max - _Min)), int> = 0> + _LIBCPP_HIDE_FROM_ABI result_type __eval(__uratio<_Np, _Dp>) { + return __evalf<__uratio<_Np, _Dp>::num, __uratio<_Np, _Dp>::den>(); + } + + template <uint64_t _Np, + uint64_t _Dp, + __enable_if_t<__uratio<_Np, _Dp>::num <= 0xFFFFFFFFFFFFFFFFull / (_Max - _Min), int> = 0> + _LIBCPP_HIDE_FROM_ABI result_type __eval(__uratio<_Np, _Dp>) { + const size_t __j = static_cast<size_t>(__uratio<_Np, _Dp>::num * (__y_ - _Min) / __uratio<_Np, _Dp>::den); + __y_ = __v_[__j]; + __v_[__j] = __e_(); + return __y_; + } + + template <uint64_t __n, uint64_t __d> + _LIBCPP_HIDE_FROM_ABI result_type __evalf() { + const double __fp = __d == 0 ? __n / (2. * 0x8000000000000000ull) : __n / (double)__d; + const size_t __j = static_cast<size_t>(__fp * (__y_ - _Min)); + __y_ = __v_[__j]; + __v_[__j] = __e_(); + return __y_; + } }; -template<class _Engine, size_t __k> - _LIBCPP_CONSTEXPR const size_t shuffle_order_engine<_Engine, __k>::table_size; +template <class _Engine, size_t __k> +_LIBCPP_CONSTEXPR const size_t shuffle_order_engine<_Engine, __k>::table_size; -template<class _Eng, size_t _Kp> +template <class _Eng, size_t _Kp> _LIBCPP_HIDE_FROM_ABI bool -operator==( - const shuffle_order_engine<_Eng, _Kp>& __x, - const shuffle_order_engine<_Eng, _Kp>& __y) -{ - return __x.__y_ == __y.__y_ && std::equal(__x.__v_, __x.__v_ + _Kp, __y.__v_) && - __x.__e_ == __y.__e_; +operator==(const shuffle_order_engine<_Eng, _Kp>& __x, const shuffle_order_engine<_Eng, _Kp>& __y) { + return __x.__y_ == __y.__y_ && std::equal(__x.__v_, __x.__v_ + _Kp, __y.__v_) && __x.__e_ == __y.__e_; } -template<class _Eng, size_t _Kp> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=( - const shuffle_order_engine<_Eng, _Kp>& __x, - const shuffle_order_engine<_Eng, _Kp>& __y) -{ - return !(__x == __y); +template <class _Eng, size_t _Kp> +inline _LIBCPP_HIDE_FROM_ABI bool +operator!=(const shuffle_order_engine<_Eng, _Kp>& __x, const shuffle_order_engine<_Eng, _Kp>& __y) { + return !(__x == __y); } -template <class _CharT, class _Traits, - class _Eng, size_t _Kp> +template <class _CharT, class _Traits, class _Eng, size_t _Kp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const shuffle_order_engine<_Eng, _Kp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.__e_ << __sp << __x.__v_[0]; - for (size_t __i = 1; __i < _Kp; ++__i) - __os << __sp << __x.__v_[__i]; - return __os << __sp << __x.__y_; +operator<<(basic_ostream<_CharT, _Traits>& __os, const shuffle_order_engine<_Eng, _Kp>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.__e_ << __sp << __x.__v_[0]; + for (size_t __i = 1; __i < _Kp; ++__i) + __os << __sp << __x.__v_[__i]; + return __os << __sp << __x.__y_; } -template <class _CharT, class _Traits, - class _Eng, size_t _Kp> +template <class _CharT, class _Traits, class _Eng, size_t _Kp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - shuffle_order_engine<_Eng, _Kp>& __x) -{ - typedef typename shuffle_order_engine<_Eng, _Kp>::result_type result_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - _Eng __e; - result_type __vp[_Kp+1]; - __is >> __e; - for (size_t __i = 0; __i < _Kp+1; ++__i) - __is >> __vp[__i]; - if (!__is.fail()) - { - __x.__e_ = __e; - for (size_t __i = 0; __i < _Kp; ++__i) - __x.__v_[__i] = __vp[__i]; - __x.__y_ = __vp[_Kp]; - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, shuffle_order_engine<_Eng, _Kp>& __x) { + typedef typename shuffle_order_engine<_Eng, _Kp>::result_type result_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + _Eng __e; + result_type __vp[_Kp + 1]; + __is >> __e; + for (size_t __i = 0; __i < _Kp + 1; ++__i) + __is >> __vp[__i]; + if (!__is.fail()) { + __x.__e_ = __e; + for (size_t __i = 0; __i < _Kp; ++__i) + __x.__v_[__i] = __vp[__i]; + __x.__y_ = __vp[_Kp]; + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/student_t_distribution.h b/contrib/llvm-project/libcxx/include/__random/student_t_distribution.h index 0879a411c0c5..110a856ee658 100644 --- a/contrib/llvm-project/libcxx/include/__random/student_t_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/student_t_distribution.h @@ -26,130 +26,103 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS student_t_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS student_t_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; + // types + typedef _RealType result_type; - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __n_; - public: - typedef student_t_distribution distribution_type; + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __n_; - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __n = 1) : __n_(__n) {} + public: + typedef student_t_distribution distribution_type; - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __n_;} + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __n = 1) : __n_(__n) {} - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__n_ == __y.__n_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __n_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__n_ == __y.__n_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; - normal_distribution<result_type> __nd_; + param_type __p_; + normal_distribution<result_type> __nd_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - student_t_distribution() : student_t_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit student_t_distribution(result_type __n) - : __p_(param_type(__n)) {} + _LIBCPP_HIDE_FROM_ABI student_t_distribution() : student_t_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(result_type __n) : __p_(param_type(__n)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit student_t_distribution(result_type __n = 1) - : __p_(param_type(__n)) {} + _LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(result_type __n = 1) : __p_(param_type(__n)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit student_t_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {__nd_.reset();} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type n() const {return __p_.n();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return -numeric_limits<result_type>::infinity();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const student_t_distribution& __x, - const student_t_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const student_t_distribution& __x, - const student_t_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() { __nd_.reset(); } + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type n() const { return __p_.n(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return -numeric_limits<result_type>::infinity(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const student_t_distribution& __x, const student_t_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const student_t_distribution& __x, const student_t_distribution& __y) { + return !(__x == __y); + } }; template <class _RealType> -template<class _URNG> -_RealType -student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - gamma_distribution<result_type> __gd(__p.n() * .5, 2); - return __nd_(__g) * std::sqrt(__p.n()/__gd(__g)); +template <class _URNG> +_RealType student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + gamma_distribution<result_type> __gd(__p.n() * .5, 2); + return __nd_(__g) * std::sqrt(__p.n() / __gd(__g)); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const student_t_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - __os << __x.n(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const student_t_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + __os << __x.n(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - student_t_distribution<_RT>& __x) -{ - typedef student_t_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __n; - __is >> __n; - if (!__is.fail()) - __x.param(param_type(__n)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, student_t_distribution<_RT>& __x) { + typedef student_t_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __n; + __is >> __n; + if (!__is.fail()) + __x.param(param_type(__n)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/subtract_with_carry_engine.h b/contrib/llvm-project/libcxx/include/__random/subtract_with_carry_engine.h index fe2a66800adc..ec25fed49f94 100644 --- a/contrib/llvm-project/libcxx/include/__random/subtract_with_carry_engine.h +++ b/contrib/llvm-project/libcxx/include/__random/subtract_with_carry_engine.h @@ -28,315 +28,245 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _UIntType, size_t __w, size_t __s, size_t __r> +template <class _UIntType, size_t __w, size_t __s, size_t __r> class _LIBCPP_TEMPLATE_VIS subtract_with_carry_engine; -template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> -_LIBCPP_HIDE_FROM_ABI bool -operator==( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); - -template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> -_LIBCPP_HIDE_FROM_ABI -bool -operator!=( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); - -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +_LIBCPP_HIDE_FROM_ABI bool operator==(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); + +template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +_LIBCPP_HIDE_FROM_ABI bool operator!=(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); + +template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); +operator<<(basic_ostream<_CharT, _Traits>& __os, const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); +operator>>(basic_istream<_CharT, _Traits>& __is, subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); -template<class _UIntType, size_t __w, size_t __s, size_t __r> -class _LIBCPP_TEMPLATE_VIS subtract_with_carry_engine -{ +template <class _UIntType, size_t __w, size_t __s, size_t __r> +class _LIBCPP_TEMPLATE_VIS subtract_with_carry_engine { public: - // types - typedef _UIntType result_type; + // types + typedef _UIntType result_type; private: - result_type __x_[__r]; - result_type __c_; - size_t __i_; - - static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; - static_assert( 0 < __w, "subtract_with_carry_engine invalid parameters"); - static_assert(__w <= _Dt, "subtract_with_carry_engine invalid parameters"); - static_assert( 0 < __s, "subtract_with_carry_engine invalid parameters"); - static_assert(__s < __r, "subtract_with_carry_engine invalid parameters"); + result_type __x_[__r]; + result_type __c_; + size_t __i_; + + static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; + static_assert(0 < __w, "subtract_with_carry_engine invalid parameters"); + static_assert(__w <= _Dt, "subtract_with_carry_engine invalid parameters"); + static_assert(0 < __s, "subtract_with_carry_engine invalid parameters"); + static_assert(__s < __r, "subtract_with_carry_engine invalid parameters"); + public: - static _LIBCPP_CONSTEXPR const result_type _Min = 0; - static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : - (result_type(1) << __w) - result_type(1); - static_assert(_Min < _Max, "subtract_with_carry_engine invalid parameters"); - - // engine characteristics - static _LIBCPP_CONSTEXPR const size_t word_size = __w; - static _LIBCPP_CONSTEXPR const size_t short_lag = __s; - static _LIBCPP_CONSTEXPR const size_t long_lag = __r; - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type min() { return _Min; } - _LIBCPP_HIDE_FROM_ABI - static _LIBCPP_CONSTEXPR result_type max() { return _Max; } - static _LIBCPP_CONSTEXPR const result_type default_seed = 19780503u; - - // constructors and seeding functions + static _LIBCPP_CONSTEXPR const result_type _Min = 0; + static _LIBCPP_CONSTEXPR const result_type _Max = + __w == _Dt ? result_type(~0) : (result_type(1) << __w) - result_type(1); + static_assert(_Min < _Max, "subtract_with_carry_engine invalid parameters"); + + // engine characteristics + static _LIBCPP_CONSTEXPR const size_t word_size = __w; + static _LIBCPP_CONSTEXPR const size_t short_lag = __s; + static _LIBCPP_CONSTEXPR const size_t long_lag = __r; + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type min() { return _Min; } + _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR result_type max() { return _Max; } + static _LIBCPP_CONSTEXPR const result_type default_seed = 19780503u; + + // constructors and seeding functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - subtract_with_carry_engine() : subtract_with_carry_engine(default_seed) {} - _LIBCPP_HIDE_FROM_ABI - explicit subtract_with_carry_engine(result_type __sd) { seed(__sd); } + _LIBCPP_HIDE_FROM_ABI subtract_with_carry_engine() : subtract_with_carry_engine(default_seed) {} + _LIBCPP_HIDE_FROM_ABI explicit subtract_with_carry_engine(result_type __sd) { seed(__sd); } #else - _LIBCPP_HIDE_FROM_ABI - explicit subtract_with_carry_engine(result_type __sd = default_seed) { - seed(__sd); - } + _LIBCPP_HIDE_FROM_ABI explicit subtract_with_carry_engine(result_type __sd = default_seed) { seed(__sd); } #endif - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - explicit subtract_with_carry_engine(_Sseq& __q) - {seed(__q);} - _LIBCPP_HIDE_FROM_ABI - void seed(result_type __sd = default_seed) - {seed(__sd, integral_constant<unsigned, 1 + (__w - 1) / 32>());} - template<class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, int> = 0> - _LIBCPP_HIDE_FROM_ABI - void - seed(_Sseq& __q) - {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());} - - // generating functions - _LIBCPP_HIDE_FROM_ABI result_type operator()(); - _LIBCPP_HIDE_FROM_ABI - void discard(unsigned long long __z) {for (; __z; --__z) operator()();} - - template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> - friend - bool - operator==( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); - - template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> - friend - bool - operator!=( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); - - template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> - friend - basic_ostream<_CharT, _Traits>& - operator<<(basic_ostream<_CharT, _Traits>& __os, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); - - template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> - friend - basic_istream<_CharT, _Traits>& - operator>>(basic_istream<_CharT, _Traits>& __is, - subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI explicit subtract_with_carry_engine(_Sseq& __q) { + seed(__q); + } + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd = default_seed) { + seed(__sd, integral_constant<unsigned, 1 + (__w - 1) / 32>()); + } + template <class _Sseq, __enable_if_t<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI void seed(_Sseq& __q) { + __seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>()); + } + + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()(); + _LIBCPP_HIDE_FROM_ABI void discard(unsigned long long __z) { + for (; __z; --__z) + operator()(); + } + + template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> + friend bool operator==(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); + + template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> + friend bool operator!=(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y); + + template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); + + template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x); private: - - _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd, integral_constant<unsigned, 1>); - _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd, integral_constant<unsigned, 2>); - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); - template<class _Sseq> - _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd, integral_constant<unsigned, 1>); + _LIBCPP_HIDE_FROM_ABI void seed(result_type __sd, integral_constant<unsigned, 2>); + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 1>); + template <class _Sseq> + _LIBCPP_HIDE_FROM_ABI void __seed(_Sseq& __q, integral_constant<unsigned, 2>); }; -template<class _UIntType, size_t __w, size_t __s, size_t __r> - _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::word_size; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +_LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::word_size; -template<class _UIntType, size_t __w, size_t __s, size_t __r> - _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::short_lag; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +_LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::short_lag; -template<class _UIntType, size_t __w, size_t __s, size_t __r> - _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::long_lag; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +_LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::long_lag; -template<class _UIntType, size_t __w, size_t __s, size_t __r> - _LIBCPP_CONSTEXPR const typename subtract_with_carry_engine<_UIntType, __w, __s, __r>::result_type +template <class _UIntType, size_t __w, size_t __s, size_t __r> +_LIBCPP_CONSTEXPR const typename subtract_with_carry_engine<_UIntType, __w, __s, __r>::result_type subtract_with_carry_engine<_UIntType, __w, __s, __r>::default_seed; -template<class _UIntType, size_t __w, size_t __s, size_t __r> -void -subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, - integral_constant<unsigned, 1>) -{ - linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> - __e(__sd == 0u ? default_seed : __sd); - for (size_t __i = 0; __i < __r; ++__i) - __x_[__i] = static_cast<result_type>(__e() & _Max); - __c_ = __x_[__r-1] == 0; - __i_ = 0; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +void subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, integral_constant<unsigned, 1>) { + linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> __e(__sd == 0u ? default_seed : __sd); + for (size_t __i = 0; __i < __r; ++__i) + __x_[__i] = static_cast<result_type>(__e() & _Max); + __c_ = __x_[__r - 1] == 0; + __i_ = 0; } -template<class _UIntType, size_t __w, size_t __s, size_t __r> -void -subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, - integral_constant<unsigned, 2>) -{ - linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> - __e(__sd == 0u ? default_seed : __sd); - for (size_t __i = 0; __i < __r; ++__i) - { - result_type __e0 = __e(); - __x_[__i] = static_cast<result_type>( - (__e0 + ((uint64_t)__e() << 32)) & _Max); - } - __c_ = __x_[__r-1] == 0; - __i_ = 0; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +void subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, integral_constant<unsigned, 2>) { + linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> __e(__sd == 0u ? default_seed : __sd); + for (size_t __i = 0; __i < __r; ++__i) { + result_type __e0 = __e(); + __x_[__i] = static_cast<result_type>((__e0 + ((uint64_t)__e() << 32)) & _Max); + } + __c_ = __x_[__r - 1] == 0; + __i_ = 0; } -template<class _UIntType, size_t __w, size_t __s, size_t __r> -template<class _Sseq> -void -subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, - integral_constant<unsigned, 1>) -{ - const unsigned __k = 1; - uint32_t __ar[__r * __k]; - __q.generate(__ar, __ar + __r * __k); - for (size_t __i = 0; __i < __r; ++__i) - __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); - __c_ = __x_[__r-1] == 0; - __i_ = 0; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +template <class _Sseq> +void subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, integral_constant<unsigned, 1>) { + const unsigned __k = 1; + uint32_t __ar[__r * __k]; + __q.generate(__ar, __ar + __r * __k); + for (size_t __i = 0; __i < __r; ++__i) + __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); + __c_ = __x_[__r - 1] == 0; + __i_ = 0; } -template<class _UIntType, size_t __w, size_t __s, size_t __r> -template<class _Sseq> -void -subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, - integral_constant<unsigned, 2>) -{ - const unsigned __k = 2; - uint32_t __ar[__r * __k]; - __q.generate(__ar, __ar + __r * __k); - for (size_t __i = 0; __i < __r; ++__i) - __x_[__i] = static_cast<result_type>( - (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); - __c_ = __x_[__r-1] == 0; - __i_ = 0; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +template <class _Sseq> +void subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, integral_constant<unsigned, 2>) { + const unsigned __k = 2; + uint32_t __ar[__r * __k]; + __q.generate(__ar, __ar + __r * __k); + for (size_t __i = 0; __i < __r; ++__i) + __x_[__i] = static_cast<result_type>((__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); + __c_ = __x_[__r - 1] == 0; + __i_ = 0; } -template<class _UIntType, size_t __w, size_t __s, size_t __r> -_UIntType -subtract_with_carry_engine<_UIntType, __w, __s, __r>::operator()() -{ - const result_type& __xs = __x_[(__i_ + (__r - __s)) % __r]; - result_type& __xr = __x_[__i_]; - result_type __new_c = __c_ == 0 ? __xs < __xr : __xs != 0 ? __xs <= __xr : 1; - __xr = (__xs - __xr - __c_) & _Max; - __c_ = __new_c; - __i_ = (__i_ + 1) % __r; - return __xr; +template <class _UIntType, size_t __w, size_t __s, size_t __r> +_UIntType subtract_with_carry_engine<_UIntType, __w, __s, __r>::operator()() { + const result_type& __xs = __x_[(__i_ + (__r - __s)) % __r]; + result_type& __xr = __x_[__i_]; + result_type __new_c = __c_ == 0 ? __xs < __xr : __xs != 0 ? __xs <= __xr : 1; + __xr = (__xs - __xr - __c_) & _Max; + __c_ = __new_c; + __i_ = (__i_ + 1) % __r; + return __xr; } -template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> -_LIBCPP_HIDE_FROM_ABI bool -operator==( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y) -{ - if (__x.__c_ != __y.__c_) - return false; - if (__x.__i_ == __y.__i_) - return std::equal(__x.__x_, __x.__x_ + _Rp, __y.__x_); - if (__x.__i_ == 0 || __y.__i_ == 0) - { - size_t __j = std::min(_Rp - __x.__i_, _Rp - __y.__i_); - if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, - __y.__x_ + __y.__i_)) - return false; - if (__x.__i_ == 0) - return std::equal(__x.__x_ + __j, __x.__x_ + _Rp, __y.__x_); - return std::equal(__x.__x_, __x.__x_ + (_Rp - __j), __y.__x_ + __j); - } - if (__x.__i_ < __y.__i_) - { - size_t __j = _Rp - __y.__i_; - if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), - __y.__x_ + __y.__i_)) - return false; - if (!std::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Rp, - __y.__x_)) - return false; - return std::equal(__x.__x_, __x.__x_ + __x.__i_, - __y.__x_ + (_Rp - (__x.__i_ + __j))); - } - size_t __j = _Rp - __x.__i_; - if (!std::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), - __x.__x_ + __x.__i_)) - return false; - if (!std::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Rp, - __x.__x_)) - return false; - return std::equal(__y.__x_, __y.__x_ + __y.__i_, - __x.__x_ + (_Rp - (__y.__i_ + __j))); +template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +_LIBCPP_HIDE_FROM_ABI bool operator==(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y) { + if (__x.__c_ != __y.__c_) + return false; + if (__x.__i_ == __y.__i_) + return std::equal(__x.__x_, __x.__x_ + _Rp, __y.__x_); + if (__x.__i_ == 0 || __y.__i_ == 0) { + size_t __j = std::min(_Rp - __x.__i_, _Rp - __y.__i_); + if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, __y.__x_ + __y.__i_)) + return false; + if (__x.__i_ == 0) + return std::equal(__x.__x_ + __j, __x.__x_ + _Rp, __y.__x_); + return std::equal(__x.__x_, __x.__x_ + (_Rp - __j), __y.__x_ + __j); + } + if (__x.__i_ < __y.__i_) { + size_t __j = _Rp - __y.__i_; + if (!std::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), __y.__x_ + __y.__i_)) + return false; + if (!std::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Rp, __y.__x_)) + return false; + return std::equal(__x.__x_, __x.__x_ + __x.__i_, __y.__x_ + (_Rp - (__x.__i_ + __j))); + } + size_t __j = _Rp - __x.__i_; + if (!std::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), __x.__x_ + __x.__i_)) + return false; + if (!std::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Rp, __x.__x_)) + return false; + return std::equal(__y.__x_, __y.__x_ + __y.__i_, __x.__x_ + (_Rp - (__y.__i_ + __j))); } -template<class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=( - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y) -{ - return !(__x == __y); +template <class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x, + const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __y) { + return !(__x == __y); } -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.__x_[__x.__i_]; - for (size_t __j = __x.__i_ + 1; __j < _Rp; ++__j) - __os << __sp << __x.__x_[__j]; - for (size_t __j = 0; __j < __x.__i_; ++__j) - __os << __sp << __x.__x_[__j]; - __os << __sp << __x.__c_; - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.__x_[__x.__i_]; + for (size_t __j = __x.__i_ + 1; __j < _Rp; ++__j) + __os << __sp << __x.__x_[__j]; + for (size_t __j = 0; __j < __x.__i_; ++__j) + __os << __sp << __x.__x_[__j]; + __os << __sp << __x.__c_; + return __os; } -template <class _CharT, class _Traits, - class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> +template <class _CharT, class _Traits, class _UInt, size_t _Wp, size_t _Sp, size_t _Rp> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - _UInt __t[_Rp+1]; - for (size_t __i = 0; __i < _Rp+1; ++__i) - __is >> __t[__i]; - if (!__is.fail()) - { - for (size_t __i = 0; __i < _Rp; ++__i) - __x.__x_[__i] = __t[__i]; - __x.__c_ = __t[_Rp]; - __x.__i_ = 0; - } - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, subtract_with_carry_engine<_UInt, _Wp, _Sp, _Rp>& __x) { + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + _UInt __t[_Rp + 1]; + for (size_t __i = 0; __i < _Rp + 1; ++__i) + __is >> __t[__i]; + if (!__is.fail()) { + for (size_t __i = 0; __i < _Rp; ++__i) + __x.__x_[__i] = __t[__i]; + __x.__c_ = __t[_Rp]; + __x.__i_ = 0; + } + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/uniform_int_distribution.h b/contrib/llvm-project/libcxx/include/__random/uniform_int_distribution.h index 3a2b95c035b3..4e3ca3efe568 100644 --- a/contrib/llvm-project/libcxx/include/__random/uniform_int_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/uniform_int_distribution.h @@ -29,263 +29,232 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _Engine, class _UIntType> -class __independent_bits_engine -{ +template <class _Engine, class _UIntType> +class __independent_bits_engine { public: - // types - typedef _UIntType result_type; + // types + typedef _UIntType result_type; private: - typedef typename _Engine::result_type _Engine_result_type; - typedef __conditional_t<sizeof(_Engine_result_type) <= sizeof(result_type), result_type, _Engine_result_type> - _Working_result_type; - - _Engine& __e_; - size_t __w_; - size_t __w0_; - size_t __n_; - size_t __n0_; - _Working_result_type __y0_; - _Working_result_type __y1_; - _Engine_result_type __mask0_; - _Engine_result_type __mask1_; + typedef typename _Engine::result_type _Engine_result_type; + typedef __conditional_t<sizeof(_Engine_result_type) <= sizeof(result_type), result_type, _Engine_result_type> + _Working_result_type; + + _Engine& __e_; + size_t __w_; + size_t __w0_; + size_t __n_; + size_t __n0_; + _Working_result_type __y0_; + _Working_result_type __y1_; + _Engine_result_type __mask0_; + _Engine_result_type __mask1_; #ifdef _LIBCPP_CXX03_LANG - static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min - + _Working_result_type(1); + static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min + _Working_result_type(1); #else - static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() - + _Working_result_type(1); + static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() + _Working_result_type(1); #endif - static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; - static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; - static _LIBCPP_CONSTEXPR const size_t _EDt = numeric_limits<_Engine_result_type>::digits; + static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; + static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; + static _LIBCPP_CONSTEXPR const size_t _EDt = numeric_limits<_Engine_result_type>::digits; public: - // constructors and seeding functions - _LIBCPP_HIDE_FROM_ABI __independent_bits_engine(_Engine& __e, size_t __w); + // constructors and seeding functions + _LIBCPP_HIDE_FROM_ABI __independent_bits_engine(_Engine& __e, size_t __w); - // generating functions - _LIBCPP_HIDE_FROM_ABI result_type operator()() {return __eval(integral_constant<bool, _Rp != 0>());} + // generating functions + _LIBCPP_HIDE_FROM_ABI result_type operator()() { return __eval(integral_constant<bool, _Rp != 0>()); } private: - _LIBCPP_HIDE_FROM_ABI result_type __eval(false_type); - _LIBCPP_HIDE_FROM_ABI result_type __eval(true_type); + _LIBCPP_HIDE_FROM_ABI result_type __eval(false_type); + _LIBCPP_HIDE_FROM_ABI result_type __eval(true_type); }; -template<class _Engine, class _UIntType> -__independent_bits_engine<_Engine, _UIntType> - ::__independent_bits_engine(_Engine& __e, size_t __w) - : __e_(__e), - __w_(__w) -{ - __n_ = __w_ / __m + (__w_ % __m != 0); +template <class _Engine, class _UIntType> +__independent_bits_engine<_Engine, _UIntType>::__independent_bits_engine(_Engine& __e, size_t __w) + : __e_(__e), __w_(__w) { + __n_ = __w_ / __m + (__w_ % __m != 0); + __w0_ = __w_ / __n_; + if (_Rp == 0) + __y0_ = _Rp; + else if (__w0_ < _WDt) + __y0_ = (_Rp >> __w0_) << __w0_; + else + __y0_ = 0; + if (_Rp - __y0_ > __y0_ / __n_) { + ++__n_; __w0_ = __w_ / __n_; - if (_Rp == 0) - __y0_ = _Rp; - else if (__w0_ < _WDt) - __y0_ = (_Rp >> __w0_) << __w0_; + if (__w0_ < _WDt) + __y0_ = (_Rp >> __w0_) << __w0_; else - __y0_ = 0; - if (_Rp - __y0_ > __y0_ / __n_) - { - ++__n_; - __w0_ = __w_ / __n_; - if (__w0_ < _WDt) - __y0_ = (_Rp >> __w0_) << __w0_; - else - __y0_ = 0; - } - __n0_ = __n_ - __w_ % __n_; - if (__w0_ < _WDt - 1) - __y1_ = (_Rp >> (__w0_ + 1)) << (__w0_ + 1); - else - __y1_ = 0; - __mask0_ = __w0_ > 0 ? _Engine_result_type(~0) >> (_EDt - __w0_) : - _Engine_result_type(0); - __mask1_ = __w0_ < _EDt - 1 ? - _Engine_result_type(~0) >> (_EDt - (__w0_ + 1)) : - _Engine_result_type(~0); + __y0_ = 0; + } + __n0_ = __n_ - __w_ % __n_; + if (__w0_ < _WDt - 1) + __y1_ = (_Rp >> (__w0_ + 1)) << (__w0_ + 1); + else + __y1_ = 0; + __mask0_ = __w0_ > 0 ? _Engine_result_type(~0) >> (_EDt - __w0_) : _Engine_result_type(0); + __mask1_ = __w0_ < _EDt - 1 ? _Engine_result_type(~0) >> (_EDt - (__w0_ + 1)) : _Engine_result_type(~0); } -template<class _Engine, class _UIntType> -inline -_UIntType -__independent_bits_engine<_Engine, _UIntType>::__eval(false_type) -{ - return static_cast<result_type>(__e_() & __mask0_); +template <class _Engine, class _UIntType> +inline _UIntType __independent_bits_engine<_Engine, _UIntType>::__eval(false_type) { + return static_cast<result_type>(__e_() & __mask0_); } -template<class _Engine, class _UIntType> -_UIntType -__independent_bits_engine<_Engine, _UIntType>::__eval(true_type) -{ - const size_t __w_rt = numeric_limits<result_type>::digits; - result_type __sp = 0; - for (size_t __k = 0; __k < __n0_; ++__k) - { - _Engine_result_type __u; - do - { - __u = __e_() - _Engine::min(); - } while (__u >= __y0_); - if (__w0_ < __w_rt) - __sp <<= __w0_; - else - __sp = 0; - __sp += __u & __mask0_; - } - for (size_t __k = __n0_; __k < __n_; ++__k) - { - _Engine_result_type __u; - do - { - __u = __e_() - _Engine::min(); - } while (__u >= __y1_); - if (__w0_ < __w_rt - 1) - __sp <<= __w0_ + 1; - else - __sp = 0; - __sp += __u & __mask1_; - } - return __sp; +template <class _Engine, class _UIntType> +_UIntType __independent_bits_engine<_Engine, _UIntType>::__eval(true_type) { + const size_t __w_rt = numeric_limits<result_type>::digits; + result_type __sp = 0; + for (size_t __k = 0; __k < __n0_; ++__k) { + _Engine_result_type __u; + do { + __u = __e_() - _Engine::min(); + } while (__u >= __y0_); + if (__w0_ < __w_rt) + __sp <<= __w0_; + else + __sp = 0; + __sp += __u & __mask0_; + } + for (size_t __k = __n0_; __k < __n_; ++__k) { + _Engine_result_type __u; + do { + __u = __e_() - _Engine::min(); + } while (__u >= __y1_); + if (__w0_ < __w_rt - 1) + __sp <<= __w0_ + 1; + else + __sp = 0; + __sp += __u & __mask1_; + } + return __sp; } -template<class _IntType = int> -class uniform_int_distribution -{ - static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); +template <class _IntType = int> +class uniform_int_distribution { + static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be a supported integer type"); + public: - // types - typedef _IntType result_type; - - class param_type - { - result_type __a_; - result_type __b_; - public: - typedef uniform_int_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 0, - result_type __b = numeric_limits<result_type>::max()) - : __a_(__a), __b_(__b) {} - - _LIBCPP_HIDE_FROM_ABI result_type a() const {return __a_;} - _LIBCPP_HIDE_FROM_ABI result_type b() const {return __b_;} - - _LIBCPP_HIDE_FROM_ABI - friend bool operator==(const param_type& __x, const param_type& __y) - {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;} - _LIBCPP_HIDE_FROM_ABI - friend bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _IntType result_type; + + class param_type { + result_type __a_; + result_type __b_; + + public: + typedef uniform_int_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 0, result_type __b = numeric_limits<result_type>::max()) + : __a_(__a), __b_(__b) {} + + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __a_; } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __b_; } + + _LIBCPP_HIDE_FROM_ABI friend bool operator==(const param_type& __x, const param_type& __y) { + return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_; + } + _LIBCPP_HIDE_FROM_ABI friend bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI uniform_int_distribution() : uniform_int_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI explicit uniform_int_distribution( - result_type __a, result_type __b = numeric_limits<result_type>::max()) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI uniform_int_distribution() : uniform_int_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit uniform_int_distribution( + result_type __a, result_type __b = numeric_limits<result_type>::max()) + : __p_(param_type(__a, __b)) {} #else - explicit uniform_int_distribution( - result_type __a = 0, - result_type __b = numeric_limits<result_type>::max()) - : __p_(param_type(__a, __b)) {} + explicit uniform_int_distribution(result_type __a = 0, result_type __b = numeric_limits<result_type>::max()) + : __p_(param_type(__a, __b)) {} #endif - _LIBCPP_HIDE_FROM_ABI explicit uniform_int_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI result_type a() const {return __p_.a();} - _LIBCPP_HIDE_FROM_ABI result_type b() const {return __p_.b();} - - _LIBCPP_HIDE_FROM_ABI param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI result_type min() const {return a();} - _LIBCPP_HIDE_FROM_ABI result_type max() const {return b();} - - _LIBCPP_HIDE_FROM_ABI - friend bool operator==(const uniform_int_distribution& __x, - const uniform_int_distribution& __y) - {return __x.__p_ == __y.__p_;} - _LIBCPP_HIDE_FROM_ABI - friend bool operator!=(const uniform_int_distribution& __x, - const uniform_int_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit uniform_int_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __p_.a(); } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __p_.b(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return a(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return b(); } + + _LIBCPP_HIDE_FROM_ABI friend bool + operator==(const uniform_int_distribution& __x, const uniform_int_distribution& __y) { + return __x.__p_ == __y.__p_; + } + _LIBCPP_HIDE_FROM_ABI friend bool + operator!=(const uniform_int_distribution& __x, const uniform_int_distribution& __y) { + return !(__x == __y); + } }; -template<class _IntType> -template<class _URNG> -typename uniform_int_distribution<_IntType>::result_type -uniform_int_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p) -_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - typedef __conditional_t<sizeof(result_type) <= sizeof(uint32_t), uint32_t, __make_unsigned_t<result_type> > - _UIntType; - const _UIntType __rp = _UIntType(__p.b()) - _UIntType(__p.a()) + _UIntType(1); - if (__rp == 1) - return __p.a(); - const size_t __dt = numeric_limits<_UIntType>::digits; - typedef __independent_bits_engine<_URNG, _UIntType> _Eng; - if (__rp == 0) - return static_cast<result_type>(_Eng(__g, __dt)()); - size_t __w = __dt - std::__countl_zero(__rp) - 1; - if ((__rp & (numeric_limits<_UIntType>::max() >> (__dt - __w))) != 0) - ++__w; - _Eng __e(__g, __w); - _UIntType __u; - do - { - __u = __e(); - } while (__u >= __rp); - return static_cast<result_type>(__u + __p.a()); +template <class _IntType> +template <class _URNG> +typename uniform_int_distribution<_IntType>::result_type uniform_int_distribution<_IntType>::operator()( + _URNG& __g, const param_type& __p) _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + typedef __conditional_t<sizeof(result_type) <= sizeof(uint32_t), uint32_t, __make_unsigned_t<result_type> > _UIntType; + const _UIntType __rp = _UIntType(__p.b()) - _UIntType(__p.a()) + _UIntType(1); + if (__rp == 1) + return __p.a(); + const size_t __dt = numeric_limits<_UIntType>::digits; + typedef __independent_bits_engine<_URNG, _UIntType> _Eng; + if (__rp == 0) + return static_cast<result_type>(_Eng(__g, __dt)()); + size_t __w = __dt - std::__countl_zero(__rp) - 1; + if ((__rp & (numeric_limits<_UIntType>::max() >> (__dt - __w))) != 0) + ++__w; + _Eng __e(__g, __w); + _UIntType __u; + do { + __u = __e(); + } while (__u >= __rp); + return static_cast<result_type>(__u + __p.a()); } template <class _CharT, class _Traits, class _IT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const uniform_int_distribution<_IT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _Ostream; - __os.flags(_Ostream::dec | _Ostream::left); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.a() << __sp << __x.b(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const uniform_int_distribution<_IT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _Ostream; + __os.flags(_Ostream::dec | _Ostream::left); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.a() << __sp << __x.b(); } template <class _CharT, class _Traits, class _IT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - uniform_int_distribution<_IT>& __x) -{ - typedef uniform_int_distribution<_IT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __a; - result_type __b; - __is >> __a >> __b; - if (!__is.fail()) - __x.param(param_type(__a, __b)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, uniform_int_distribution<_IT>& __x) { + typedef uniform_int_distribution<_IT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __a; + result_type __b; + __is >> __a >> __b; + if (!__is.fail()) + __x.param(param_type(__a, __b)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/uniform_random_bit_generator.h b/contrib/llvm-project/libcxx/include/__random/uniform_random_bit_generator.h index ddb3158eead9..4076f19b2cb2 100644 --- a/contrib/llvm-project/libcxx/include/__random/uniform_random_bit_generator.h +++ b/contrib/llvm-project/libcxx/include/__random/uniform_random_bit_generator.h @@ -28,14 +28,12 @@ _LIBCPP_BEGIN_NAMESPACE_STD #if _LIBCPP_STD_VER >= 20 // [rand.req.urng] -template<class _Gen> -concept uniform_random_bit_generator = - invocable<_Gen&> && unsigned_integral<invoke_result_t<_Gen&>> && - requires { - { _Gen::min() } -> same_as<invoke_result_t<_Gen&>>; - { _Gen::max() } -> same_as<invoke_result_t<_Gen&>>; - requires bool_constant<(_Gen::min() < _Gen::max())>::value; - }; +template <class _Gen> +concept uniform_random_bit_generator = invocable<_Gen&> && unsigned_integral<invoke_result_t<_Gen&>> && requires { + { _Gen::min() } -> same_as<invoke_result_t<_Gen&>>; + { _Gen::max() } -> same_as<invoke_result_t<_Gen&>>; + requires bool_constant<(_Gen::min() < _Gen::max())>::value; +}; #endif // _LIBCPP_STD_VER >= 20 diff --git a/contrib/llvm-project/libcxx/include/__random/uniform_real_distribution.h b/contrib/llvm-project/libcxx/include/__random/uniform_real_distribution.h index 28b6e9181c5f..250cb8bab58c 100644 --- a/contrib/llvm-project/libcxx/include/__random/uniform_real_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/uniform_real_distribution.h @@ -24,137 +24,111 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS uniform_real_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS uniform_real_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __a_; - result_type __b_; - public: - typedef uniform_real_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __a = 0, - result_type __b = 1) - : __a_(__a), __b_(__b) {} - - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __a_;} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __b_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __a_; + result_type __b_; + + public: + typedef uniform_real_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 0, result_type __b = 1) : __a_(__a), __b_(__b) {} + + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __a_; } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __b_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructors and reset functions + // constructors and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - uniform_real_distribution() : uniform_real_distribution(0) {} - _LIBCPP_HIDE_FROM_ABI explicit uniform_real_distribution(result_type __a, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI uniform_real_distribution() : uniform_real_distribution(0) {} + _LIBCPP_HIDE_FROM_ABI explicit uniform_real_distribution(result_type __a, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit uniform_real_distribution(result_type __a = 0, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI explicit uniform_real_distribution(result_type __a = 0, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit uniform_real_distribution(const param_type& __p) : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __p_.a();} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __p_.b();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return a();} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return b();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const uniform_real_distribution& __x, - const uniform_real_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const uniform_real_distribution& __x, - const uniform_real_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit uniform_real_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p); + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __p_.a(); } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __p_.b(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return a(); } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return b(); } + + friend _LIBCPP_HIDE_FROM_ABI bool + operator==(const uniform_real_distribution& __x, const uniform_real_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool + operator!=(const uniform_real_distribution& __x, const uniform_real_distribution& __y) { + return !(__x == __y); + } }; -template<class _RealType> -template<class _URNG> -inline -typename uniform_real_distribution<_RealType>::result_type -uniform_real_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) -{ - static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); - return (__p.b() - __p.a()) - * std::generate_canonical<_RealType, numeric_limits<_RealType>::digits>(__g) - + __p.a(); +template <class _RealType> +template <class _URNG> +inline typename uniform_real_distribution<_RealType>::result_type +uniform_real_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) { + static_assert(__libcpp_random_is_valid_urng<_URNG>::value, ""); + return (__p.b() - __p.a()) * std::generate_canonical<_RealType, numeric_limits<_RealType>::digits>(__g) + __p.a(); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const uniform_real_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - return __os << __x.a() << __sp << __x.b(); +operator<<(basic_ostream<_CharT, _Traits>& __os, const uniform_real_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + return __os << __x.a() << __sp << __x.b(); } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - uniform_real_distribution<_RT>& __x) -{ - typedef uniform_real_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __a; - result_type __b; - __is >> __a >> __b; - if (!__is.fail()) - __x.param(param_type(__a, __b)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, uniform_real_distribution<_RT>& __x) { + typedef uniform_real_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __a; + result_type __b; + __is >> __a >> __b; + if (!__is.fail()) + __x.param(param_type(__a, __b)); + return __is; } _LIBCPP_END_NAMESPACE_STD diff --git a/contrib/llvm-project/libcxx/include/__random/weibull_distribution.h b/contrib/llvm-project/libcxx/include/__random/weibull_distribution.h index 996799281031..aa3d63c8e866 100644 --- a/contrib/llvm-project/libcxx/include/__random/weibull_distribution.h +++ b/contrib/llvm-project/libcxx/include/__random/weibull_distribution.h @@ -25,131 +25,104 @@ _LIBCPP_PUSH_MACROS _LIBCPP_BEGIN_NAMESPACE_STD -template<class _RealType = double> -class _LIBCPP_TEMPLATE_VIS weibull_distribution -{ +template <class _RealType = double> +class _LIBCPP_TEMPLATE_VIS weibull_distribution { static_assert(__libcpp_random_is_valid_realtype<_RealType>::value, "RealType must be a supported floating-point type"); public: - // types - typedef _RealType result_type; - - class _LIBCPP_TEMPLATE_VIS param_type - { - result_type __a_; - result_type __b_; - public: - typedef weibull_distribution distribution_type; - - _LIBCPP_HIDE_FROM_ABI - explicit param_type(result_type __a = 1, result_type __b = 1) - : __a_(__a), __b_(__b) {} - - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __a_;} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __b_;} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const param_type& __x, const param_type& __y) - {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const param_type& __x, const param_type& __y) - {return !(__x == __y);} - }; + // types + typedef _RealType result_type; + + class _LIBCPP_TEMPLATE_VIS param_type { + result_type __a_; + result_type __b_; + + public: + typedef weibull_distribution distribution_type; + + _LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __a = 1, result_type __b = 1) : __a_(__a), __b_(__b) {} + + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __a_; } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __b_; } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) { + return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); } + }; private: - param_type __p_; + param_type __p_; public: - // constructor and reset functions + // constructor and reset functions #ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI - weibull_distribution() : weibull_distribution(1) {} - _LIBCPP_HIDE_FROM_ABI - explicit weibull_distribution(result_type __a, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI weibull_distribution() : weibull_distribution(1) {} + _LIBCPP_HIDE_FROM_ABI explicit weibull_distribution(result_type __a, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #else - _LIBCPP_HIDE_FROM_ABI - explicit weibull_distribution(result_type __a = 1, result_type __b = 1) - : __p_(param_type(__a, __b)) {} + _LIBCPP_HIDE_FROM_ABI explicit weibull_distribution(result_type __a = 1, result_type __b = 1) + : __p_(param_type(__a, __b)) {} #endif - _LIBCPP_HIDE_FROM_ABI - explicit weibull_distribution(const param_type& __p) - : __p_(__p) {} - _LIBCPP_HIDE_FROM_ABI - void reset() {} - - // generating functions - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g) - {return (*this)(__g, __p_);} - template<class _URNG> - _LIBCPP_HIDE_FROM_ABI - result_type operator()(_URNG& __g, const param_type& __p) - {return __p.b() * - std::pow(exponential_distribution<result_type>()(__g), 1/__p.a());} - - // property functions - _LIBCPP_HIDE_FROM_ABI - result_type a() const {return __p_.a();} - _LIBCPP_HIDE_FROM_ABI - result_type b() const {return __p_.b();} - - _LIBCPP_HIDE_FROM_ABI - param_type param() const {return __p_;} - _LIBCPP_HIDE_FROM_ABI - void param(const param_type& __p) {__p_ = __p;} - - _LIBCPP_HIDE_FROM_ABI - result_type min() const {return 0;} - _LIBCPP_HIDE_FROM_ABI - result_type max() const {return numeric_limits<result_type>::infinity();} - - friend _LIBCPP_HIDE_FROM_ABI - bool operator==(const weibull_distribution& __x, - const weibull_distribution& __y) - {return __x.__p_ == __y.__p_;} - friend _LIBCPP_HIDE_FROM_ABI - bool operator!=(const weibull_distribution& __x, - const weibull_distribution& __y) - {return !(__x == __y);} + _LIBCPP_HIDE_FROM_ABI explicit weibull_distribution(const param_type& __p) : __p_(__p) {} + _LIBCPP_HIDE_FROM_ABI void reset() {} + + // generating functions + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) { + return (*this)(__g, __p_); + } + template <class _URNG> + _LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p) { + return __p.b() * std::pow(exponential_distribution<result_type>()(__g), 1 / __p.a()); + } + + // property functions + _LIBCPP_HIDE_FROM_ABI result_type a() const { return __p_.a(); } + _LIBCPP_HIDE_FROM_ABI result_type b() const { return __p_.b(); } + + _LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; } + _LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; } + + _LIBCPP_HIDE_FROM_ABI result_type min() const { return 0; } + _LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); } + + friend _LIBCPP_HIDE_FROM_ABI bool operator==(const weibull_distribution& __x, const weibull_distribution& __y) { + return __x.__p_ == __y.__p_; + } + friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const weibull_distribution& __x, const weibull_distribution& __y) { + return !(__x == __y); + } }; template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, - const weibull_distribution<_RT>& __x) -{ - __save_flags<_CharT, _Traits> __lx(__os); - typedef basic_ostream<_CharT, _Traits> _OStream; - __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | - _OStream::scientific); - _CharT __sp = __os.widen(' '); - __os.fill(__sp); - __os << __x.a() << __sp << __x.b(); - return __os; +operator<<(basic_ostream<_CharT, _Traits>& __os, const weibull_distribution<_RT>& __x) { + __save_flags<_CharT, _Traits> __lx(__os); + typedef basic_ostream<_CharT, _Traits> _OStream; + __os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific); + _CharT __sp = __os.widen(' '); + __os.fill(__sp); + __os << __x.a() << __sp << __x.b(); + return __os; } template <class _CharT, class _Traits, class _RT> _LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, - weibull_distribution<_RT>& __x) -{ - typedef weibull_distribution<_RT> _Eng; - typedef typename _Eng::result_type result_type; - typedef typename _Eng::param_type param_type; - __save_flags<_CharT, _Traits> __lx(__is); - typedef basic_istream<_CharT, _Traits> _Istream; - __is.flags(_Istream::dec | _Istream::skipws); - result_type __a; - result_type __b; - __is >> __a >> __b; - if (!__is.fail()) - __x.param(param_type(__a, __b)); - return __is; +operator>>(basic_istream<_CharT, _Traits>& __is, weibull_distribution<_RT>& __x) { + typedef weibull_distribution<_RT> _Eng; + typedef typename _Eng::result_type result_type; + typedef typename _Eng::param_type param_type; + __save_flags<_CharT, _Traits> __lx(__is); + typedef basic_istream<_CharT, _Traits> _Istream; + __is.flags(_Istream::dec | _Istream::skipws); + result_type __a; + result_type __b; + __is >> __a >> __b; + if (!__is.fail()) + __x.param(param_type(__a, __b)); + return __is; } _LIBCPP_END_NAMESPACE_STD |