[1.9] Math.gamma(-1.0/0), Math.gamma(1.0/0) and Math.gamma(0.0/0) return incorrect results ------------------------------------------------------------------------------------------
Key: JRUBY-4430 URL: http://jira.codehaus.org/browse/JRUBY-4430 Project: JRuby Issue Type: Bug Components: Core Classes/Modules, Ruby 1.9 Affects Versions: JRuby 1.4 Environment: github trunk, Java 6, Mac OS X 10.6.2 Reporter: Hiro Asari Fix For: JRuby 1.5 Attachments: 0001-Align-Math.gamma-behavior-with-that-of-MRI-on-Infini.patch Note on MRI trunk: {noformat} surfboard:~$ ruby1.9 -v -e 'p Math.gamma(-1.0/0)'ruby 1.9.2dev (2010-01-04 trunk 26238) [x86_64-darwin10.2.0] -e:1:in `gamma': Numerical argument out of domain - gamma (Errno::EDOM) from -e:1:in `<main>' surfboard:~$ ruby1.9 -v -e 'p Math.gamma(1.0/0); p Math.gamma(0.0/0)' ruby 1.9.2dev (2010-01-04 trunk 26238) [x86_64-darwin10.2.0] Infinity NaN {noformat} Specs I added in RubySpec commit 0314628 will trip JRuby. I attached the patch to fix this issue. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email