libcxx/test/std/numerics/complex.number/complex.ops/complex_not_equals_complex.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <complex>
  10
  11 // template<class T>
  12 //   bool
  13 //   operator!=(const complex<T>& lhs, const complex<T>& rhs);
  14
  15 #include <complex>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19
  20 template <class T>
  21 TEST_CONSTEXPR_CXX20
  22 void
  23 test_constexpr()
  24 {
  25 #if TEST_STD_VER > 11
  26     {
  27     constexpr std::complex<T> lhs(1.5,  2.5);
  28     constexpr std::complex<T> rhs(1.5, -2.5);
  29     static_assert(lhs != rhs, "");
  30     }
  31     {
  32     constexpr std::complex<T> lhs(1.5, 2.5);
  33     constexpr std::complex<T> rhs(1.5, 2.5);
  34     static_assert(!(lhs != rhs), "" );
  35     }
  36 #endif
  37 }
  38
  39 template <class T>
  40 TEST_CONSTEXPR_CXX20
  41 bool
  42 test()
  43 {
  44     {
  45     const std::complex<T> lhs(1.5,  2.5);
  46     const std::complex<T> rhs(1.5, -2.5);
  47     assert(lhs != rhs);
  48     }
  49     {
  50     const std::complex<T> lhs(1.5, 2.5);
  51     const std::complex<T> rhs(1.5, 2.5);
  52     assert(!(lhs != rhs));
  53     }
  54
  55     test_constexpr<T> ();
  56     return true;
  57 }
  58
  59 int main(int, char**)
  60 {
  61     test<float>();
  62     test<double>();
  63     test<long double>();
  64
  65 #if TEST_STD_VER > 17
  66     static_assert(test<float>());
  67     static_assert(test<double>());
  68     static_assert(test<long double>());
  69 #endif
  70
  71   return 0;
  72 }