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https://issues.apache.org/jira/browse/MATH-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gilles resolved MATH-1256.
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Resolution: Fixed
Fix Version/s: 3.6
4.0
Thanks for the report.
Boundary check added in the following commits:
41f297809965523fcd021bef20b304b3584d9b4f (4.0)
eb8727f9c64f286d44bbcc1d19f96408ea5a385c (3.6)
> Interval class upper and lower check
> ------------------------------------
>
> Key: MATH-1256
> URL: https://issues.apache.org/jira/browse/MATH-1256
> Project: Commons Math
> Issue Type: Bug
> Reporter: Gunel Jahangirova
> Priority: Minor
> Fix For: 4.0, 3.6
>
>
> In class Interval, which is in the package
> org.apache.commons.math4.geometry.euclidean.oned it is possible to pass the
> value for variable upper less than the value of variable lower, which is
> logically incorrect and also causes the method getSize() to return negative
> value.
> For example:
> @Test
> public void test1() throws Throwable {
> Interval interval0 = new Interval(0.0, (-1.0));
> double double0 = interval0.getSize();
> assertEquals((-1.0), double0, 0.01D);
> }
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