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From "Christian Semrau (JIRA)" <>
Subject [jira] Updated: (MATH-239) Add gcd and lcm for long values in MathUtils
Date Sun, 22 Feb 2009 19:19:01 GMT


Christian Semrau updated MATH-239:

    Attachment: gcdForLong.txt

The long versions of gcd and lcm are adapted copies of the int versions.

I added some verification of exception messages to the tests, because I saw the change to
gcd(int, int) where the exception message now contains the illegal arguments. To facilitate
these (and possibly other) verifications, I added TestUtils.assertMessageContains(). Two of
these verifications fail, because the exception is thrown by mulAndCheck without the illegal
arguments; they are commented.

> Add gcd and lcm for long values in MathUtils
> --------------------------------------------
>                 Key: MATH-239
>                 URL:
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Christian Semrau
>            Priority: Minor
>             Fix For: 2.1
>         Attachments: gcdForLong.txt
> I suggest adding MathUtils.gcd and MathUtils.lcm for long values in addition to the methods
for int values.

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