math/test-finite-macros.c

   1 /* Test finite-math-only code does not conflict with user macros (bug 22028).
   2    Copyright (C) 2017-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 /* The main test is that the inclusion of <math.h> compiles.  */
  20 #define f first test macro
  21 #define l second test macro
  22 #define f128 third test macro
  23
  24 #include <math.h>
  25
  26 volatile float a, b;
  27
  28 static int
  29 do_test (void)
  30 {
  31   b = acosf (a);
  32   return 0;
  33 }
  34
  35 #include <support/test-driver.c>