glibc/math/test-fp-ilogb-constants.c

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/* Test requirements on FP_ILOGB* constants.
Copyright (C) 2016-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <limits.h>
#include <math.h>
#if FP_ILOGB0 >= 0
# error "FP_ILOGB0 is positive"
#endif
#if FP_ILOGB0 != INT_MIN && FP_ILOGB0 != -INT_MAX
# error "FP_ILOGB0 must be INT_MIN or -INT_MAX"
#endif
#if FP_ILOGBNAN >= 0 && FP_ILOGBNAN != INT_MAX
# error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
#endif
#if FP_ILOGBNAN < 0 && FP_ILOGBNAN != INT_MIN
# error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
#endif
/* This is a compilation test. */
#define TEST_FUNCTION 0
#include "../test-skeleton.c"