[ruby-core:46720] [ruby-trunk - Feature #2347] Math::INFINITY

Issue #2347 has been updated by rubydev (Adam Carpenter).


naruse (Yui NARUSE) wrote:
> =begin
>  This issue was solved with changeset r26197.
>  Marc-Andre, thank you for reporting this issue.
>  Your contribution to Ruby is greatly appreciated.
>  May Ruby be with you.
> 
> =end
thank you Marc for figuring out this bug - helpful code
~Adam
http://ville-web.ch
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Feature #2347: Math::INFINITY
https://bugs.ruby-lang.org/issues/2347#change-28387

Author: marcandre (Marc-Andre Lafortune)
Status: Closed
Priority: Low
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: 1.9.2


=begin
 It is easy to get an infinity in Ruby (ex: 1.0/0) but that may not be obvious to everyone.
 
 Could we have Math::INFINITY which would make code using it cleaner?
 
 Thanks
 
 
 diff --git a/math.c b/math.c
 index 51caf35..653a239 100644
 --- a/math.c
 +++ b/math.c
 @@ -764,6 +764,7 @@ Init_Math(void)
  #else
      rb_define_const(rb_mMath, "E", DBL2NUM(exp(1.0)));
  #endif
 +    rb_define_const(rb_mMath, "INFINITY", DBL2NUM(1.0/0.0));
  
      rb_define_module_function(rb_mMath, "atan2", math_atan2, 2);
      rb_define_module_function(rb_mMath, "cos", math_cos, 1);
=end



-- 
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