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From "Imran Ghory (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4780) [classlib][math] BigInteger pow speed-up
Date Wed, 12 Sep 2007 23:08:32 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Imran Ghory updated HARMONY-4780:
---------------------------------

    Attachment: BigInteger.java.patch

> [classlib][math] BigInteger pow speed-up
> ----------------------------------------
>
>                 Key: HARMONY-4780
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4780
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Imran Ghory
>         Attachments: BigInteger.java.patch
>
>
> Patch to speed up pow() when BigInteger is a multiple of two. Testing shows speed up
in all cases for even integers - in some cases improvement is several orders of magnitude
(i.e 100x faster). 

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