Specify the maximum of digits when parsing a Fraction
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Key: MATH-181
URL: https://issues.apache.org/jira/browse/MATH-181
Project: Commons Math
Issue Type: Improvement
Affects Versions: 1.1
Reporter: Niall Pemberton
Priority: Minor
Attachments: MATH-181-FractionDigitsLimit.patch
Firstly, thanks for the Fraction code - I've adapated it for something I'm
working on and I didn't have a clue how to convert a decimal to a fraction :)
Excel spreadsheets have the facility to specify a fraction format where you
specify the maximum number of denominator digits to display.
So for example:
format "?/?" displays decimal values formatted in the range 1/2 to n/9
format "??/??" displays decimal values formatted in the range 1/2 to n/99
format "???/???" displays decimal values formatted in the range 1/2 to
n/999 etc
In excel then the value 0.6152 displays as 3/5, 8/13 and 510/829 respectively
for the above 3 formats.
I'm attaching a patch for the Fraction class which adds a new constructor where
the maximum number of digits can be specified, rather than the epsilon value.
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