JRuby

Behavior of Math.sqrt(Float::NAN) does not match MRI

Details

  • Type: Bug Bug
  • Status: Resolved Resolved
  • Priority: Minor Minor
  • Resolution: Fixed
  • Affects Version/s: JRuby 1.7.0.pre2
  • Fix Version/s: JRuby 1.7.0.RC1
  • Component/s: Core Classes/Modules
  • Labels:
    None
  • Environment:
    Mac OSX 10.8
  • Number of attachments :
    0

Description

jruby Math.sqrt(Float::NAN) gives a Math::DomainError. MRI returns NaN.

$ jruby --version
jruby 1.7.0.preview2 (1.9.3p203) 2012-08-30 2900996 on Java HotSpot(TM) 64-Bit Server VM 1.7.0_06-b24 [darwin-x86_64]

$ jruby -e "p Math.sqrt(Float::NAN)"
Math::DomainError: Numerical argument is out of domain - "sqrt"
sqrt at org/jruby/RubyMath.java:494
(root) at -e:1

$ ruby --version
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin12.1.0]

$ ruby -e "p Math.sqrt(Float::NAN)"
NaN

Activity

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Charles Oliver Nutter added a comment - 
commit 94e8e142b0adea14b3b3f4cf75ad207fde733ba1
Author: Charles Oliver Nutter <headius@headius.com>
Date:   Thu Aug 30 23:55:42 2012 -0500

    Fix JRUBY-6872 and remaining math excludes.
    
    Behavior of Math.sqrt(Float::NAN) does not match MRI

:100644 100644 0e33488... b7cddb7... M	src/org/jruby/RubyMath.java
:100644 000000 bc5ce79... 0000000... D	test/externals/ruby1.9/excludes/TestMath.rb

commit abb2a55d604b5655a54019a80d1cf5c5d4ff923f
Author: Charles Oliver Nutter <headius@headius.com>
Date:   Fri Aug 31 00:01:09 2012 -0500

    Actually fix JRUBY-6872.

:100644 100644 b7cddb7... 76a7582... M	src/org/jruby/RubyMath.java
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Charles Oliver Nutter added a comment - commit 94e8e142b0adea14b3b3f4cf75ad207fde733ba1 Author: Charles Oliver Nutter <headius@headius.com> Date: Thu Aug 30 23:55:42 2012 -0500 Fix JRUBY-6872 and remaining math excludes. Behavior of Math.sqrt(Float::NAN) does not match MRI :100644 100644 0e33488... b7cddb7... M src/org/jruby/RubyMath.java :100644 000000 bc5ce79... 0000000... D test/externals/ruby1.9/excludes/TestMath.rb commit abb2a55d604b5655a54019a80d1cf5c5d4ff923f Author: Charles Oliver Nutter <headius@headius.com> Date: Fri Aug 31 00:01:09 2012 -0500 Actually fix JRUBY-6872. :100644 100644 b7cddb7... 76a7582... M src/org/jruby/RubyMath.java

People

  • Assignee:
    Charles Oliver Nutter
    Reporter:
    Colin Fuller
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Dates

  • Created:
    Updated:
    Resolved: