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annotate tests/test-func.c @ 16616:2f2ef742aa4b

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New module 'exp2'. * lib/math.in.h (exp2): New declaration. * lib/exp2.c: New file. * m4/exp2.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/exp2: New file. * tests/test-math-c++.cc: Check the declaration of exp2. * doc/posix-functions/exp2.texi: Mention the new module and the IRIX and OpenBSD problems.
author Bruno Haible <bruno@clisp.org>
date Wed, 07 Mar 2012 03:29:32 +0100
parents 8250f2777afc
children e542fd46ad6f
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1 /* Test whether __func__ is available
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2 Copyright (C) 2008-2012 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2008. */
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18
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19 #include <config.h>
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20
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21 #include <string.h>
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22
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23 #include "macros.h"
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25 int
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26 main ()
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27 {
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28 ASSERT (strlen (__func__) > 0);
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29
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30 /* On SunPRO C 5.9, sizeof __func__ evaluates to 0. The compiler warns:
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31 "warning: null dimension: sizeof()". */
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32 #if !defined __SUNPRO_C
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33 ASSERT (strlen (__func__) + 1 == sizeof __func__);
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34 #endif
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36 ASSERT (strcmp (__func__, "main") == 0
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37 || strcmp (__func__, "<unknown function>") == 0);
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38
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39 return 0;
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40 }