math/test-fp-llogb-constants.c

   1 /* Test requirements on FP_LLOGB* constants.
   2    Copyright (C) 2016-2021 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_LLOGB0 >= 0
  23 # error "FP_LLOGB0 is positive"
  24 #endif
  25
  26 #if FP_LLOGB0 != LONG_MIN && FP_LLOGB0 != -LONG_MAX
  27 # error "FP_LLOGB0 must be LONG_MIN or -LONG_MAX"
  28 #endif
  29
  30 #if FP_LLOGBNAN >= 0 && FP_LLOGBNAN != LONG_MAX
  31 # error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
  32 #endif
  33
  34 #if FP_LLOGBNAN < 0 && FP_LLOGBNAN != LONG_MIN
  35 # error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
  36 #endif
  37
  38 #if (FP_ILOGB0 == INT_MIN) != (FP_LLOGB0 == LONG_MIN)
  39 # error "FP_ILOGB0 and FP_LLOGB0 inconsistent"
  40 #endif
  41
  42 #if (FP_ILOGBNAN == INT_MIN) != (FP_LLOGBNAN == LONG_MIN)
  43 # error "FP_ILOGBNAN and FP_LLOGBNAN inconsistent"
  44 #endif
  45
  46 /* This is a compilation test.  */
  47 #define TEST_FUNCTION 0
  48 #include "../test-skeleton.c"