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

   1 // { dg-do compile { target c++11 } }
   2 //
   3 // Copyright (C) 2009-2018 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
  22 // DR 387. std::complex over-encapsulated.
  23 // http://gcc.gnu.org/ml/gcc/2009-03/msg00264.html
  24 typedef std::complex<double> C;
  25
  26 C f1(C& c) { return c+1.0; }
  27 C f2(C& c) { return c-1.0; }
  28 C f3(C& c) { return 1.0+c; }
  29 C f4(C& c) { return 1.0-c; }