Mercurial > gnulib
annotate tests/test-expm1l.c @ 40186:8964917f9574
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author | Karl Berry <karl@freefriends.org> |
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date | Mon, 18 Feb 2019 08:02:49 -0800 |
parents | b06060465f09 |
children |
rev | line source |
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16586 | 1 /* Test of expm1l() function. |
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
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2 Copyright (C) 2010-2019 Free Software Foundation, Inc. |
16586 | 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/>. */ |
16586 | 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 (expm1l, long double, (long double)); | |
25 | |
26 #include <float.h> | |
27 | |
28 #include "fpucw.h" | |
29 #include "macros.h" | |
30 | |
31 #define DOUBLE long double | |
32 #define L_(literal) literal##L | |
33 #define MANT_DIG LDBL_MANT_DIG | |
34 #define MIN_EXP LDBL_MIN_EXP | |
35 #define EXPM1 expm1l | |
36 #define RANDOM randoml | |
37 #include "test-expm1.h" | |
38 | |
39 int | |
40 main () | |
41 { | |
42 DECL_LONG_DOUBLE_ROUNDING | |
43 | |
44 BEGIN_LONG_DOUBLE_ROUNDING (); | |
45 | |
46 /* A particular value. */ | |
47 x = 0.6L; | |
48 y = expm1l (x); | |
49 ASSERT (y >= 0.822118800L && y <= 0.822118801L); | |
50 | |
51 test_function (); | |
52 | |
53 return 0; | |
54 } |