attribute: Clarify which file to include.
[gnulib.git] / tests / test-logf.c
blob7904fe853eafb24cebc8c39b58a362470394d7f1
1 /* Test of logf() function.
2 Copyright (C) 2010-2020 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010-2011. */
19 #include <config.h>
21 #include <math.h>
23 #include "signature.h"
24 SIGNATURE_CHECK (logf, float, (float));
26 #include <float.h>
28 #include "minus-zero.h"
29 #include "macros.h"
31 #define DOUBLE float
32 #define HUGEVAL HUGE_VALF
33 #define L_(literal) literal##f
34 #define MANT_DIG FLT_MANT_DIG
35 #define MINUS_ZERO minus_zerof
36 #define LOG logf
37 #define RANDOM randomf
38 #include "test-log.h"
40 int
41 main ()
43 /* A particular value. */
44 x = 0.6f;
45 y = logf (x);
46 ASSERT (y >= -0.5108257f && y <= -0.5108256f);
48 test_function ();
50 return 0;