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* math.c (math_log, math_log10): should return NaN if x < 0.0

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on Cygwin.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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eban 2001-03-07 05:43:11 +00:00
parent 93868607a2
commit fc07b3b0ad
3 changed files with 12 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Mar 7 14:26:11 2001 WATANABE Hirofumi <eban@ruby-lang.org>
* math.c (math_log, math_log10): should return NaN if x < 0.0
on Cygwin.
Tue Mar 6 10:50:29 2001 Yukihiro Matsumoto <matz@ruby-lang.org> Tue Mar 6 10:50:29 2001 Yukihiro Matsumoto <matz@ruby-lang.org>
* parse.y (primary): rescue and ensure clauses should be allowed * parse.y (primary): rescue and ensure clauses should be allowed

5
math.c
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@ -64,6 +64,11 @@ math_exp(obj, x)
return rb_float_new(exp(RFLOAT(x)->value)); return rb_float_new(exp(RFLOAT(x)->value));
} }
#if defined __CYGWIN__
#define log(x) ((x) < 0.0 ? 0.0 / 0.0 : log(x))
#define log10(x) ((x) < 0.0 ? 0.0 / 0.0 : log10(x))
#endif
static VALUE static VALUE
math_log(obj, x) math_log(obj, x)
VALUE obj, x; VALUE obj, x;

4
version.h
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@ -1,4 +1,4 @@
#define RUBY_VERSION "1.7.0" #define RUBY_VERSION "1.7.0"
#define RUBY_RELEASE_DATE "2001-03-06" #define RUBY_RELEASE_DATE "2001-03-07"
#define RUBY_VERSION_CODE 170 #define RUBY_VERSION_CODE 170
#define RUBY_RELEASE_CODE 20010306 #define RUBY_RELEASE_CODE 20010307