1/* Test requirements on FP_ILOGB* constants.
2 Copyright (C) 2016-2022 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"
41

source code of glibc/math/test-fp-ilogb-constants.c