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Add Float::INFINITY and Float::NAN.

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* numeric.c (Init_Numeric): Add Float::INFINITY and Float::NAN.
  [ruby-dev:1657] [ruby-dev:4760] [ruby-list:7023] [ruby-list:46690]
  [ruby-core:26632] [ruby-talk:41352] [ruby-talk:203333]

* include/ruby/defines.h (INFINITY): defined.

* include/ruby/defines.h (NAN): defined.

* include/ruby/util.h (ruby_div0): removed.

* numeric.c (fix_pow): use INFINITY and NAN instead of ruby_div0(1.0).

* marshal.c (r_object0): ditto.

* bignum.c (big_fdiv): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2009-12-29 07:05:39 +00:00
parent 92ab16fac6
commit 7ed0640ffb
7 changed files with 67 additions and 27 deletions
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6
include/ruby/util.h
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@ -74,12 +74,6 @@ double ruby_strtod(const char *, char **);
#pragma warning(push)
#pragma warning(disable:4723)
#endif
static inline double
ruby_div0(double x)
{
double t = 0.0;
return x / t;
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(pop)
#endif