Mercurial > hg > octave-nkf > gnulib-hg
annotate tests/test-hypot.c @ 17288:e1bf1347de53
doc: clarify -Werror
* doc/warnings.texi (warnings): -Werror is not always a bad idea;
clarify that it's intended for developers, not for ordinary builds,
and mention --enable-gcc-warnings as one possible use.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Tue, 15 Jan 2013 12:21:42 -0800 |
| parents | e542fd46ad6f |
| children | 344018b6e5d7 |
| rev | line source |
|---|---|
| 12791 | 1 /* Test of hypot() function. |
|
17249
e542fd46ad6f
maint: update all copyright year number ranges
Eric Blake <eblake@redhat.com>
parents:
16574
diff
changeset
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2 Copyright (C) 2010-2013 Free Software Foundation, Inc. |
| 12791 | 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 | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 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 (hypot, double, (double, double)); | |
| 25 | |
| 16512 | 26 #include <float.h> |
| 27 | |
| 12791 | 28 #include "macros.h" |
| 29 | |
| 16574 | 30 #undef MIN |
| 31 #undef MAX | |
| 32 | |
| 33 #define DOUBLE double | |
| 34 #define HUGEVAL HUGE_VAL | |
| 35 #define L_(literal) literal | |
| 36 #define MANT_DIG DBL_MANT_DIG | |
| 37 #define MIN DBL_MIN | |
| 38 #define MAX DBL_MAX | |
| 39 #define HYPOT hypot | |
| 40 #define RANDOM randomd | |
| 41 #include "test-hypot.h" | |
| 12791 | 42 |
| 43 int | |
| 44 main () | |
| 45 { | |
| 46 /* A particular value. */ | |
| 47 x = 0.4; | |
| 48 y = 0.6; | |
| 49 z = hypot (x, y); | |
| 50 ASSERT (z >= 0.7211102550 && z <= 0.7211102551); | |
| 51 | |
| 16574 | 52 test_function (); |
| 16512 | 53 |
| 12791 | 54 return 0; |
| 55 } |