libcxx/test/std/numerics/complex.number/complex.ops/complex_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 void
  22 test_constexpr()
  23 {
  24 #if TEST_STD_VER > 11
  25     {
  26     constexpr std::complex<T> lhs(1.5,  2.5);
  27     constexpr std::complex<T> rhs(1.5, -2.5);
  28     static_assert( !(lhs == rhs), "");
  29     }
  30     {
  31     constexpr std::complex<T> lhs(1.5, 2.5);
  32     constexpr std::complex<T> rhs(1.5, 2.5);
  33     static_assert(lhs == rhs, "");
  34     }
  35 #endif
  36 }
  37
  38 template <class T>
  39 void
  40 test()
  41 {
  42     {
  43     std::complex<T> lhs(1.5,  2.5);
  44     std::complex<T> rhs(1.5, -2.5);
  45     assert( !(lhs == rhs));
  46     }
  47     {
  48     std::complex<T> lhs(1.5, 2.5);
  49     std::complex<T> rhs(1.5, 2.5);
  50     assert(lhs == rhs);
  51     }
  52     test_constexpr<T> ();
  53 }
  54
  55 int main(int, char**)
  56 {
  57     test<float>();
  58     test<double>();
  59     test<long double>();
  60 //    test_constexpr<int> ();
  61
  62   return 0;
  63 }