diff options
Diffstat (limited to 'test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/atan2_value_valarray.pass.cpp')
| -rw-r--r-- | test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/atan2_value_valarray.pass.cpp | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/atan2_value_valarray.pass.cpp b/test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/atan2_value_valarray.pass.cpp deleted file mode 100644 index f28a69a174da..000000000000 --- a/test/std/numerics/numarray/valarray.nonmembers/valarray.transcend/atan2_value_valarray.pass.cpp +++ /dev/null @@ -1,52 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -// <valarray> - -// template<class T> class valarray; - -// template<class T> -// valarray<T> -// atan2(const T& x, const valarray<T>& y); - -#include <valarray> -#include <cassert> -#include <sstream> -#include <cstddef> - -bool is_about(double x, double y, int p) -{ - std::ostringstream o; - o.precision(p); - scientific(o); - o << x; - std::string a = o.str(); - o.str(""); - o << y; - return a == o.str(); -} - -int main() -{ - { - typedef double T; - T a1[] = {-.9, -.5, 0., .5, .75}; - T a3[] = {2.4468543773930902e+00, - 2.1587989303424640e+00, - 1.5707963267948966e+00, - 9.8279372324732905e-01, - 7.8539816339744828e-01}; - const unsigned N = sizeof(a1)/sizeof(a1[0]); - std::valarray<T> v1(a1, N); - std::valarray<T> v3 = atan2(.75, v1); - assert(v3.size() == v1.size()); - for (std::size_t i = 0; i < v3.size(); ++i) - assert(is_about(v3[i], a3[i], 10)); - } -} |
