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From "Gilles (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MATH-657) Division by zero
Date Sun, 02 Oct 2011 21:15:34 GMT

     [ https://issues.apache.org/jira/browse/MATH-657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gilles resolved MATH-657.
-------------------------

    Resolution: Won't Fix

An alternative solution has been proposed: MATH-667.

                
> Division by zero
> ----------------
>
>                 Key: MATH-657
>                 URL: https://issues.apache.org/jira/browse/MATH-657
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Minor
>             Fix For: 3.0
>
>
> In class {{Complex}}, division by zero always returns NaN. I think that it should return
NaN only when the numerator is also {{ZERO}}, otherwise the result should be {{INF}}. See
[here|http://en.wikipedia.org/wiki/Riemann_sphere#Arithmetic_operations].

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