Mercurial > hg > octave-lojdl > gnulib-hg
view tests/test-ilogbl.c @ 17149:a49df7b88261
errno: port to LynxOS 178 2.2.2
Problem reported by Joel Brobecker in
<http://lists.gnu.org/archive/html/bug-gnulib/2012-10/msg00088.html>.
* doc/posix-headers/errno.texi (errno.h): Document this.
* lib/errno.in.h (EILSEQ, GNULIB_defined_EILSEQ) [!EILSEQ]: New macros.
* lib/strerror-override.c, lib/strerror-override.h (strerror_override):
Supply a string for EILSEQ.
* m4/errno_h.m4 (gl_HEADER_ERRNO_H): Check for EILSEQ.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Thu, 01 Nov 2012 15:29:14 -0700 |
parents | b7e51494f180 |
children | e542fd46ad6f |
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/* Test of ilogbl() function. Copyright (C) 2012 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 <http://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2012. */ #include <config.h> #include <math.h> #include "signature.h" SIGNATURE_CHECK (ilogbl, int, (long 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 long double #define VOLATILE #define INFINITY Infinityl () #define NAN NaNl () #define L_(literal) literal##L #define MINUS_ZERO minus_zerol #define MAX_EXP LDBL_MAX_EXP #define MIN_EXP LDBL_MIN_EXP /* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double' is -964. Similarly, on PowerPC machines, LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double' is -968. For exponents below that, the precision may be truncated to the precision used for 'double'. */ #ifdef __sgi # define MIN_NORMAL_EXP (LDBL_MIN_EXP + 57) #elif defined __ppc || defined __ppc__ || defined __powerpc || defined __powerpc__ # define MIN_NORMAL_EXP (LDBL_MIN_EXP + 53) #else # define MIN_NORMAL_EXP LDBL_MIN_EXP #endif #define ILOGB ilogbl #define RANDOM randoml #include "test-ilogb.h" int main () { test_function (); return 0; }