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https://issues.apache.org/jira/browse/MATH-833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Tompkins updated MATH-833:
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Fix Version/s: 4.X
> Redundancy in number formatting classes.
> ----------------------------------------
>
> Key: MATH-833
> URL: https://issues.apache.org/jira/browse/MATH-833
> Project: Commons Math
> Issue Type: Task
> Reporter: Gilles
> Priority: Minor
> Fix For: 4.X
>
>
> # Many tests are repetitive. They are very tedious to modify in case the
> default format changes (as was the case in MATH-622).
> Whenever one is testing the number part (be it an element of a vector, or of
> a matrix, or the real part of a complex number, or the imaginary part of a
> complex), the procedure for testing that, e.g. the truncation works as
> expected, is the same; there should be a way to not repeat the same strings
> of digits in every test class and every test method in those classes.
> The tests should be rationalized in the perspective that the default format
> is changed again, to scientific notation.
> # The formatting classes ("RealVectorFormat", "RealMatrixFormat",
> "VectorFormat", "Vector3DFormat") contain a fairly large amount of duplicate
> code.
> We should look for a way to abstract the formatting of a number (be it an
> element of a vector, or of a matrix, or the real part of a complex number, or
> the imaginary part of a complex) from the rest of the string representation
> of the structure at hand.
> # Some functionality is totally redundant: Formatting a "Vector3D" should be
> strictly equivalent to formatting a "RealVector" with 3 elements.
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