[jira] [Resolved] (MATH-1488) WelzlEncloser throws MathInternalError

["Gilles Sadowski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MATH-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles Sadowski resolved MATH-1488.
-----------------------------------
    Resolution: Won't Fix

Fix is in "Commons Geometry".

> WelzlEncloser throws MathInternalError
> --------------------------------------
>
>                 Key: MATH-1488
>                 URL: https://issues.apache.org/jira/browse/MATH-1488
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.6.1
>         Environment: java 1.8, Windows 10 x64, idea
>            Reporter: Benjamin Krogh
>            Priority: Critical
>
> The following code snippets throws a MathInternalError when trying to calculate the enclosing ball of the given points.
> {noformat}
> @Test
> public void encloserTest() {
>     final List<Vector2D> points = Arrays.asList(
>             new Vector2D(271.59, 57.282),
>             new Vector2D(269.145, 57.063),
>             new Vector2D(309.117, 77.187),
>             new Vector2D(316.989, 34.835),
>             new Vector2D(323.101, 53.972)
>     );
>     double tolerance = 1;
>     WelzlEncloser<Euclidean2D, Vector2D> encloser = new WelzlEncloser<>(tolerance, new DiskGenerator());
>     encloser.enclose(points);
> }{noformat}
> Interestingly, if tolerance is set lower than 0.965 or higher than 1.100, it suceeds. I was not able to find any tolerance value between 0.965 and 1.100 that succeeds.



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