libcxx/test/std/numerics/complex.number/complex.member.ops/times_equal_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 // complex& operator*=(const complex& rhs);
  12
  13 #include <complex>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17
  18 template <class T>
  19 void
  20 test()
  21 {
  22     std::complex<T> c(1);
  23     const std::complex<T> c2(1.5, 2.5);
  24     assert(c.real() == 1);
  25     assert(c.imag() == 0);
  26     c *= c2;
  27     assert(c.real() == 1.5);
  28     assert(c.imag() == 2.5);
  29     c *= c2;
  30     assert(c.real() == -4);
  31     assert(c.imag() == 7.5);
  32
  33     std::complex<T> c3;
  34
  35     c3 = c;
  36     std::complex<int> ic (1,1);
  37     c3 *= ic;
  38     assert(c3.real() == -11.5);
  39     assert(c3.imag() ==   3.5);
  40
  41     c3 = c;
  42     std::complex<float> fc (1,1);
  43     c3 *= fc;
  44     assert(c3.real() == -11.5);
  45     assert(c3.imag() ==   3.5);
  46 }
  47
  48 int main(int, char**)
  49 {
  50     test<float>();
  51     test<double>();
  52     test<long double>();
  53
  54   return 0;
  55 }