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From "Travis Hanna (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-754) Additional Fraction Constructor
Date Sun, 26 Feb 2012 13:48:49 GMT
Additional Fraction Constructor
-------------------------------

                 Key: MATH-754
                 URL: https://issues.apache.org/jira/browse/MATH-754
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 3.0
         Environment: All
            Reporter: Travis Hanna
            Priority: Minor
             Fix For: 3.0
         Attachments: math.patch

I'm writing some code who's output includes fractional measurements meant for human consumption.
I need a constructor for Fraction which allows you to restrict the denominators to a finite
set. This is necessary due to the fact that real-world tools are only available with certain
fractions. For example, it's next to impossible to find a ruler with 1/7 inch marked :). 

I'm attaching a patch which implements the functionality. I've attempted to mimic the style
of the existing code as much as possible. One caveat: I don't speak French so the french error
message is a computer-generated translation and probably very poor.

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