From: Yusuke Endoh <redmine@...>
Date: 2010-08-05T22:08:21+09:00
Subject: [ruby-core:31626] [Bug #3648][Open] Bignum Incomparable with Float::INFINITY

Issue #3648 has been updated by Yusuke Endoh.

Status changed from Closed to Open
Target version set to 1.9.x

Hi,

r28844 caused the following rubyspec errors.


1)
Bignum#quo does not raise a FloatDomainError when the given argument is 0 and a Float FAILED
Expected "9223372036854775811/0"
 to equal "Infinity"

/home/mame/work/ruby/spec/rubyspec/core/bignum/quo_spec.rb:31:in `block (2 levels) in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/bignum/quo_spec.rb:3:in `<top (required)>'

2)
Complex#/ with Float returns Complex(Infinity, Infinity) when given zero ERROR
NoMethodError: undefined method `infinite?' for (20/0):Rational
/home/mame/work/ruby/spec/rubyspec/shared/complex/divide.rb:41:in `block (2 levels) in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/complex/divide_spec.rb:17:in `block in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/complex/divide_spec.rb:1:in `<top (required)>'

4)
Fixnum#quo does not raise a FloatDomainError when the given Integer is 0 and a Float FAILED
Expected "0/0"
 to equal "NaN"

/home/mame/work/ruby/spec/rubyspec/core/fixnum/quo_spec.rb:29:in `block (2 levels) in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/fixnum/quo_spec.rb:3:in `<top (required)>'

5)
Rational#/ when passed a Float returns infinity when passed 0 ERROR
NoMethodError: undefined method `infinite?' for (3/0):Rational
/home/mame/work/ruby/spec/rubyspec/shared/rational/divide.rb:42:in `block (2 levels) in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/rational/divide_spec.rb:16:in `block in <top (required)>'
/home/mame/work/ruby/spec/rubyspec/core/rational/divide_spec.rb:1:in `<top (required)>'

-- 
Yusuke Endoh <mame@tsg.ne.jp>
----------------------------------------
http://redmine.ruby-lang.org/issues/show/3648

----------------------------------------
http://redmine.ruby-lang.org