Mercurial > gnulib
annotate tests/test-exp2.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
author | Paul Eggert <eggert@cs.ucla.edu> |
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date | Tue, 01 Jan 2019 00:25:11 +0100 |
parents | 10eb9086bea0 |
children |
rev | line source |
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16617 | 1 /* Test of exp2() function. |
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
|
2 Copyright (C) 2010-2019 Free Software Foundation, Inc. |
16617 | 3 |
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. | |
8 | |
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. | |
13 | |
14 You should have received a copy of the GNU General Public License | |
19190 | 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
16617 | 16 |
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */ | |
18 | |
19 #include <config.h> | |
20 | |
21 #include <math.h> | |
22 | |
23 #include "signature.h" | |
24 SIGNATURE_CHECK (exp2, double, (double)); | |
25 | |
26 #include <float.h> | |
27 | |
28 #include "macros.h" | |
29 | |
30 #define DOUBLE double | |
31 #define L_(literal) literal | |
32 #define MANT_DIG DBL_MANT_DIG | |
16675 | 33 #define MAX_EXP DBL_MAX_EXP |
34 #define MIN_EXP DBL_MIN_EXP | |
16617 | 35 #define EXP2 exp2 |
36 #define RANDOM randomd | |
37 #include "test-exp2.h" | |
38 | |
39 int | |
40 main () | |
41 { | |
42 /* A particular value. */ | |
43 x = 0.6; | |
44 y = exp2 (x); | |
45 ASSERT (y >= 1.515716566 && y <= 1.515716567); | |
46 | |
47 test_function (); | |
48 | |
49 return 0; | |
50 } |