math/test-fp-ilogb-constants.c

   1 /* Test requirements on FP_ILOGB* constants.
   2    Copyright (C) 2016-2020 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <limits.h>
  20 #include <math.h>
  21
  22 #if FP_ILOGB0 >= 0
  23 # error "FP_ILOGB0 is positive"
  24 #endif
  25
  26 #if FP_ILOGB0 != INT_MIN && FP_ILOGB0 != -INT_MAX
  27 # error "FP_ILOGB0 must be INT_MIN or -INT_MAX"
  28 #endif
  29
  30 #if FP_ILOGBNAN >= 0 && FP_ILOGBNAN != INT_MAX
  31 # error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
  32 #endif
  33
  34 #if FP_ILOGBNAN < 0 && FP_ILOGBNAN != INT_MIN
  35 # error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
  36 #endif
  37
  38 /* This is a compilation test.  */
  39 #define TEST_FUNCTION 0
  40 #include "../test-skeleton.c"