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Posted to commits@harmony.apache.org by "Mikhail Loenko (JIRA)" <ji...@apache.org> on 2006/11/08 11:16:53 UTC
[jira] Commented: (HARMONY-2091) [classlib][java.math]
optimization of BigInteger.modInverse
[ http://issues.apache.org/jira/browse/HARMONY-2091?page=comments#action_12448091 ]
Mikhail Loenko commented on HARMONY-2091:
-----------------------------------------
the patch causes failures in org.apache.harmony.tests.java.math.BigDecimalArithmeticTest
> [classlib][java.math] optimization of BigInteger.modInverse
> ------------------------------------------------------------
>
> Key: HARMONY-2091
> URL: http://issues.apache.org/jira/browse/HARMONY-2091
> Project: Harmony
> Issue Type: Improvement
> Reporter: Daniel Fridlender
> Assigned To: Mikhail Loenko
> Priority: Minor
> Attachments: after.html, before.html, modInverse_gcd.diff
>
>
> This is an optimization of modInverse consisting of implementing algorithms from the papers "The Montgomery Modular Inverse - Revisited" (by Savas, E; Koc, C) and "New Algorithm for Classical Modular Inverse" (by Lórencz, R) and also making some low-level optimizations like avoiding intermediate data construction by implementing specific ad-hoc combination of arithmetic operations.
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