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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do compile }
   3 //
   4 // Copyright (C) 2009-2014 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 3, 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 COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <complex>
  22
  23 // DR 387. std::complex over-encapsulated.
  24 // http://gcc.gnu.org/ml/gcc/2009-03/msg00264.html
  25 typedef std::complex<double> C;
  26
  27 C f1(C& c) { return c+1.0; }
  28 C f2(C& c) { return c-1.0; }
  29 C f3(C& c) { return 1.0+c; }
  30 C f4(C& c) { return 1.0-c; }