libstdc++-v3/testsuite/26_numerics/complex/value_operations/dr387.cc

   1 // 2008-05-22  Paolo Carlini  <paolo.carlini@oracle.com>
   2 //
   3 // Copyright (C) 2008, 2009 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <complex>
  21 #include <testsuite_hooks.h>
  22
  23 // DR 387. std::complex over-encapsulated.
  24 template<typename T>
  25   void
  26   do_test()
  27   {
  28     bool test __attribute__((unused)) = true;
  29
  30     const T r = 1.0;
  31     const T i = -1.0;
  32     const T v = 0.0;
  33
  34     std::complex<T> z1(r, i);
  35     z1.real(v);
  36     VERIFY( z1.real() == v );
  37     VERIFY( z1.imag() == i );
  38
  39     std::complex<T> z2(r, i);
  40     z2.imag(v);
  41     VERIFY( z2.real() == r );
  42     VERIFY( z2.imag() == v );
  43   }
  44
  45 int main()
  46 {
  47   do_test<float>();
  48   do_test<double>();
  49   do_test<long double>();
  50   return 0;
  51 }