StepNormalizer in MULTIPLES mode may give output twice for the same time point
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                 Key: MATH-603
                 URL: https://issues.apache.org/jira/browse/MATH-603
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 3.0
            Reporter: Dennis Hendriks
             Fix For: 3.0


If the StepNormalizer is used in MULTIPLES mode, and a normalized point is very 
close to the last point (for instance the start time), then it may be rounded 
to the same point as the previous point. This is because 1 + e = 1, where e <= 
machine epsilon. This results in output being given twice for the same point. I 
made a small patch to avoid this from happening.

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