libcxx/test/std/numerics/complex.number/complex.value.ops/real.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 //   T
  13 //   real(const complex<T>& x);
  14
  15 #include <complex>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19
  20 template <class T>
  21 void
  22 test()
  23 {
  24     std::complex<T> z(1.5, 2.5);
  25     assert(real(z) == 1.5);
  26 }
  27
  28 int main(int, char**)
  29 {
  30     test<float>();
  31     test<double>();
  32     test<long double>();
  33
  34   return 0;
  35 }