libstdc++-v3/testsuite/26_numerics/complex/dr387_2.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do compile }
   3 //
   4 // Copyright (C) 2009 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 #include <complex>
  23
  24 // DR 387. std::complex over-encapsulated.
  25 // http://gcc.gnu.org/ml/gcc/2009-03/msg00264.html
  26 typedef std::complex<double> C;
  27
  28 C f1(C& c) { return c+1.0; }
  29 C f2(C& c) { return c-1.0; }
  30 C f3(C& c) { return 1.0+c; }
  31 C f4(C& c) { return 1.0-c; }