Mercurial > gnulib
view tests/test-ilogb.c @ 40179:6823a10c9418
Add script for determining the set of symbols to export from a library.
* build-aux/declared.sh: New file, from GNU libunistring.
* doc/lib-symbol-visibility.texi (Exported Symbols of Shared Libraries):
Mention it.
author | Bruno Haible <bruno@clisp.org> |
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date | Sun, 03 Feb 2019 21:44:16 +0100 |
parents | b06060465f09 |
children |
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/* Test of ilogb() function. Copyright (C) 2012-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2012. */ #include <config.h> #include <math.h> #include "signature.h" SIGNATURE_CHECK (ilogb, int, (double)); #include <float.h> #include <limits.h> #include "minus-zero.h" #include "infinity.h" #include "nan.h" #include "macros.h" #undef INFINITY #undef NAN #define DOUBLE double /* The use of 'volatile' guarantees that excess precision bits are dropped when dealing with denormalized numbers. It is necessary on x86 systems where double-floats are not IEEE compliant by default, to avoid that the results become platform and compiler option dependent. 'volatile' is a portable alternative to gcc's -ffloat-store option. */ #define VOLATILE volatile #define INFINITY Infinityd () #define NAN NaNd () #define L_(literal) literal #define MINUS_ZERO minus_zerod #define MAX_EXP DBL_MAX_EXP #define MIN_EXP DBL_MIN_EXP #define MIN_NORMAL_EXP DBL_MIN_EXP #define ILOGB ilogb #define RANDOM randomd #include "test-ilogb.h" int main () { test_function (); return 0; }