diff options
Diffstat (limited to 'test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp')
| -rw-r--r-- | test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp b/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp index 961b515ef8d8..517a62a0068f 100644 --- a/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp +++ b/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp @@ -16,8 +16,10 @@ #include <numeric> #include <cassert> +#include <climits> +#include <cstdint> #include <cstdlib> // for rand() -#include <iostream> +#include <type_traits> constexpr struct { int x; @@ -36,21 +38,24 @@ constexpr struct { template <typename Input1, typename Input2, typename Output> -constexpr bool test0(Input1 in1, Input2 in2, Output out) +constexpr bool test0(int in1, int in2, int out) { - static_assert((std::is_same<Output, decltype(std::gcd(in1, in2))>::value), "" ); - static_assert((std::is_same<Output, decltype(std::gcd(in2, in1))>::value), "" ); - return out == std::gcd(in1, in2) ? true : (std::abort(), false); + auto value1 = static_cast<Input1>(in1); + auto value2 = static_cast<Input2>(in2); + static_assert(std::is_same_v<Output, decltype(std::gcd(value1, value2))>, ""); + static_assert(std::is_same_v<Output, decltype(std::gcd(value2, value1))>, ""); + assert(static_cast<Output>(out) == std::gcd(value1, value2)); + return true; } template <typename Input1, typename Input2 = Input1> constexpr bool do_test(int = 0) { - using S1 = typename std::make_signed<Input1>::type; - using S2 = typename std::make_signed<Input2>::type; - using U1 = typename std::make_unsigned<Input1>::type; - using U2 = typename std::make_unsigned<Input2>::type; + using S1 = std::make_signed_t<Input1>; + using S2 = std::make_signed_t<Input2>; + using U1 = std::make_unsigned_t<Input1>; + using U2 = std::make_unsigned_t<Input2>; bool accumulate = true; for (auto TC : Cases) { { // Test with two signed types @@ -103,15 +108,15 @@ int main() assert(do_test<long>(non_cce)); assert(do_test<long long>(non_cce)); - static_assert(do_test< int8_t>(), ""); - static_assert(do_test<int16_t>(), ""); - static_assert(do_test<int32_t>(), ""); - static_assert(do_test<int64_t>(), ""); + static_assert(do_test<std::int8_t>(), ""); + static_assert(do_test<std::int16_t>(), ""); + static_assert(do_test<std::int32_t>(), ""); + static_assert(do_test<std::int64_t>(), ""); - assert(do_test< int8_t>(non_cce)); - assert(do_test<int16_t>(non_cce)); - assert(do_test<int32_t>(non_cce)); - assert(do_test<int64_t>(non_cce)); + assert(do_test<std::int8_t>(non_cce)); + assert(do_test<std::int16_t>(non_cce)); + assert(do_test<std::int32_t>(non_cce)); + assert(do_test<std::int64_t>(non_cce)); static_assert(do_test<signed char, int>(), ""); static_assert(do_test<int, signed char>(), ""); @@ -133,8 +138,8 @@ int main() // LWG#2837 { - auto res = std::gcd((int64_t)1234, (int32_t)-2147483648); - static_assert( std::is_same<decltype(res), std::common_type<int64_t, int32_t>::type>::value, ""); - assert(res == 2); + auto res = std::gcd(static_cast<std::int64_t>(1234), INT32_MIN); + static_assert(std::is_same_v<decltype(res), std::int64_t>, ""); + assert(res == 2); } } |