tests/test-fenv-except-state-1.c

   1 /* Test of saving the floating-point exception status flags.
   2    Copyright (C) 2023-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2023.  */
  18
  19 #include <config.h>
  20
  21 /* Specification.  */
  22 #include <fenv.h>
  23
  24 /* Test the link dependencies: that $(FENV_EXCEPTIONS_STATE_LIBM) is
  25    sufficient.  */
  26
  27 int
  28 main ()
  29 {
  30   fexcept_t saved_flags;
  31
  32   fegetexceptflag (&saved_flags, FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT);
  33   fesetexceptflag (&saved_flags, FE_OVERFLOW | FE_UNDERFLOW);
  34
  35   return 0;
  36 }