libstdc++-v3/testsuite/tr1/8_c_compatibility/cfenv/functions.cc

   1 // { dg-do compile }
   2
   3 // 2006-01-26  Paolo Carlini  <pcarlini@suse.de>
   4 //
   5 // Copyright (C) 2006-2013 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 8.6 Header <cfenv>
  23
  24 #include <tr1/cfenv>
  25
  26 void test01()
  27 {
  28 #if _GLIBCXX_USE_C99_FENV_TR1
  29
  30   int except = 0, mode = 0;
  31   std::tr1::fexcept_t* pflag = 0;
  32   std::tr1::fenv_t* penv = 0;
  33
  34   int ret;
  35
  36   ret = std::tr1::feclearexcept(except);
  37   ret = std::tr1::fegetexceptflag(pflag, except);
  38   ret = std::tr1::feraiseexcept(except);
  39   ret = std::tr1::fesetexceptflag(pflag, except);
  40   ret = std::tr1::fetestexcept(except);
  41
  42   ret = std::tr1::fegetround();
  43   ret = std::tr1::fesetround(mode);
  44
  45   ret = std::tr1::fegetenv(penv);
  46   ret = std::tr1::feholdexcept(penv);
  47   ret = std::tr1::fesetenv(penv);
  48   ret = std::tr1::feupdateenv(penv);
  49   ret = ret; // Suppress unused warning.
  50
  51 #endif
  52 }