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https://issues.apache.org/jira/browse/MATH-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gilles resolved MATH-1368.
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Resolution: Done
Thanks for the feedback.
> equalsIncludingNaN not producing the expected result
> ----------------------------------------------------
>
> Key: MATH-1368
> URL: https://issues.apache.org/jira/browse/MATH-1368
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Earle Nietzel
>
> I wouldn't expect this result given these 2 values?
> x=-1.0, y=4.0
> x to long bits = -4616189618054758400
> y to long bits = 4616189618054758400
> x equals y = false
> MathUtils.equalsIncludingNaN(x, y) = true
> MathUtils.equals(x, y) = false
> It appears the lexicographic ordering logic is producing this, other numbers
> are fine. Notice the value produced for -1.0 and 4.0 by
> Double.doubleToLongBits().
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