Mercurial > gnulib
annotate tests/test-frexp.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Tue, 01 Jan 2019 00:25:11 +0100 |
| parents | 10eb9086bea0 |
| children |
| rev | line source |
|---|---|
| 8492 | 1 /* Test of splitting a double into fraction and mantissa. |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
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changeset
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2 Copyright (C) 2007-2019 Free Software Foundation, Inc. |
| 8492 | 3 |
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Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
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4 This program is free software: you can redistribute it and/or modify |
| 8492 | 5 it under the terms of the GNU General Public License as published by |
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9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8754
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changeset
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6 the Free Software Foundation; either version 3 of the License, or |
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bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
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7 (at your option) any later version. |
| 8492 | 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/>. */ |
| 8492 | 16 |
| 17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <math.h> | |
| 22 | |
| 12489 | 23 #include "signature.h" |
| 24 SIGNATURE_CHECK (frexp, double, (double, int *)); | |
| 25 | |
| 8492 | 26 #include <float.h> |
| 27 | |
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Rename isnand.h to isnand-nolibm.h, similarly for isnanf.h.
Ben Pfaff <blp@cs.stanford.edu>
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28 #include "isnand-nolibm.h" |
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frexp, tests: work around ICC bug with -zero
Eric Blake <eblake@redhat.com>
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29 #include "minus-zero.h" |
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Support for MSVC compiler: Avoid division by a literal 0.
Bruno Haible <bruno@clisp.org>
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30 #include "infinity.h" |
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Use macros NaNf, NaNd, NaNl instead of NAN.
Bruno Haible <bruno@clisp.org>
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31 #include "nan.h" |
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Refactor common macros used in tests.
Bruno Haible <bruno@clisp.org>
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32 #include "macros.h" |
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Work around IRIX 6.5 cc compiler bug, which simplifies x != x to false.
Bruno Haible <bruno@clisp.org>
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33 |
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Avoid some warnings from "gcc -Wshadow".
Jim Meyering <meyering@redhat.com>
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34 /* Avoid some warnings from "gcc -Wshadow". |
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Avoid some warnings from "gcc -Wshadow".
Jim Meyering <meyering@redhat.com>
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35 This file doesn't use the exp() function. */ |
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Fix compilation failure on AIX with xlc.
Bruno Haible <bruno@clisp.org>
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36 #undef exp |
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Avoid some warnings from "gcc -Wshadow".
Jim Meyering <meyering@redhat.com>
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37 #define exp exponent |
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Avoid some warnings from "gcc -Wshadow".
Jim Meyering <meyering@redhat.com>
parents:
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38 |
| 16557 | 39 #undef INFINITY |
| 40 #undef NAN | |
| 41 | |
| 42 #define DOUBLE double | |
| 43 /* The use of 'volatile' guarantees that excess precision bits are dropped | |
| 44 when dealing with denormalized numbers. It is necessary on x86 systems | |
| 45 where double-floats are not IEEE compliant by default, to avoid that the | |
| 46 results become platform and compiler option dependent. 'volatile' is a | |
| 47 portable alternative to gcc's -ffloat-store option. */ | |
| 48 #define VOLATILE volatile | |
| 49 #define ISNAN isnand | |
| 50 #define INFINITY Infinityd () | |
| 51 #define NAN NaNd () | |
| 52 #define L_(literal) literal | |
| 53 #define MINUS_ZERO minus_zerod | |
| 54 #define MAX_EXP DBL_MAX_EXP | |
| 55 #define MIN_EXP DBL_MIN_EXP | |
| 56 #define MIN_NORMAL_EXP DBL_MIN_EXP | |
| 57 #define FREXP frexp | |
| 16559 | 58 #define RANDOM randomd |
| 16557 | 59 #include "test-frexp.h" |
| 8492 | 60 |
| 61 int | |
| 62 main () | |
| 63 { | |
| 16557 | 64 test_function (); |
| 8492 | 65 |
| 66 return 0; | |
| 67 } |