[jira] [Closed] (MATH-481) MathUtils.equals(double x, double y) disagrees with Javadoc

["Luc Maisonobe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MATH-481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe closed MATH-481.
------------------------------


Closing issue as it was included in version 2.2, which has been released

> MathUtils.equals(double x, double y) disagrees with Javadoc
> -----------------------------------------------------------
>
>                 Key: MATH-481
>                 URL: https://issues.apache.org/jira/browse/MATH-481
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Sebb
>             Fix For: 2.2
>
>
> MathUtils.equals(double x, double y) disagrees with Javadoc.
> The Javadoc says:
> Returns true iff they are equal as defined by  {@link #equals(double,double,int)}
> However, the code actually uses == and checks for NaN:
> {code}
> public static boolean equals(double x, double y) {
>     return (Double.isNaN(x) && Double.isNaN(y)) || x == y;
> }
> {code}
> The method is deprecated, but it should probably still be consistent with its documentation.

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