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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6268) [classlib][luni] Math.min fails when comparing doubles and floats with the same values
Date Sat, 11 Jul 2009 15:22:15 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729998#action_12729998
] 

Tim Ellison commented on HARMONY-6268:
--------------------------------------

@Mark:  Nah, SVN really was down according to http://monitoring.apache.org/status/  but all
is well again just now.

> [classlib][luni] Math.min fails when comparing doubles and floats with the same values

> ---------------------------------------------------------------------------------------
>
>                 Key: HARMONY-6268
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6268
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: all
>            Reporter: Catherine Hope
>            Assignee: Tim Ellison
>             Fix For: 5.0M11
>
>         Attachments: harmony-6268.patch
>
>
> Math.min always returns "-0.0" when comparing doubles and floats of the same value. 
This is a regression since revision 788021 "Minor optimization suggested by Ian on HARMONY-6242
(Math.max(double, double) gives wrong answer when Math.max(-0.0d, 0.0d))".
> testcase:
> assertEquals(1.0, Math.min( 1.0 , 1.0 ));  // gives expected:<1.0> but was:<-0.0>
> assertEquals(1.0f, Math.min( 1.0f , 1.0f ));  // again, gives expected:<1.0> but
was:<-0.0>
> Math.max doesn't fail in this way.

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