[jira] [Created] (MATH-1332) For 4.0, deprecate method name getArgument() and replace with arg()

["Eric Barnhill (JIRA)" <ji...@apache.org>]

Eric Barnhill created MATH-1332:
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             Summary: For 4.0, deprecate method name getArgument() and replace with arg()
                 Key: MATH-1332
                 URL: https://issues.apache.org/jira/browse/MATH-1332
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 4.0
            Reporter: Eric Barnhill
            Priority: Trivial


Currently magnitude of complex is returned by calling abs while phase angle is returned by calling getArgument(). I propose deprecating getArgument and using arg() because:

-- it's not really an accessor method since the argument is computed
-- arg() is shorter, more elegant and similar to abs() with which its usage will sometimes be paired



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