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/********************************************************************** defs.h: some definitions that are used everywhere and that depend on some HAVE_* macros. Copyright (C) 2006 Vincent Fourmond This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Library Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA **********************************************************************/ #ifdef HAVE_ISNAN /* we use isnan and isinf, which are much faster than the workaround */ #define is_okay_number(x) (! isnan(x) && ! isinf(x)) #else #define is_okay_number(x) ((x) - (x) == 0.0) #define isnan(x) ((x) != (x)) /* yes, as funny as it may look NaN != NaN, and that's the only one */ #endif /* Fix old versions of ruby.h */ #ifndef RSTRING_PTR # define RSTRING_PTR(x) (RSTRING(x)->ptr) # define RSTRING_LEN(x) (RSTRING(x)->len) #endif
Version data entries
38 entries across 13 versions & 1 rubygems