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https://issues.apache.org/jira/browse/LANG-1615?focusedWorklogId=511875&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-511875
]
ASF GitHub Bot logged work on LANG-1615:
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Author: ASF GitHub Bot
Created on: 15/Nov/20 08:22
Start Date: 15/Nov/20 08:22
Worklog Time Spent: 10m
Work Description: arturobernalg opened a new pull request #651:
URL: https://github.com/apache/commons-lang/pull/651
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Issue Time Tracking
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Worklog Id: (was: 511875)
Remaining Estimate: 0h
Time Spent: 10m
> ArrayUtils contains && indexOf fails to handle Float.NaN
> ---------------------------------------------------------
>
> Key: LANG-1615
> URL: https://issues.apache.org/jira/browse/LANG-1615
> Project: Commons Lang
> Issue Type: Bug
> Affects Versions: 3.11
> Reporter: Arturo Bernal
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The ArrayUtils.contains (float [], Float.NaN) and ArrayUtils.indexOf (float
> [], Float.NaN) methods do not handle correctly when the array contains
> Float.NaN. It should return that finds the element, but instead returns -1.
> For example, consider the following:
> {code:java}
> @Test
> public void testContainsFloatNaN() {
> float[] a = new float[] { Float.NEGATIVE_INFINITY, Float.NaN,
> Float.POSITIVE_INFINITY };
> assertTrue(ArrayUtils.contains(a, Float.POSITIVE_INFINITY));
> assertTrue(ArrayUtils.contains(a, Float.NEGATIVE_INFINITY));
> assertTrue(ArrayUtils.contains(a, Float.NaN)); // Error
> }{code}
>
> And
> {code:java}
> @Test
> public void testIndexOfFloatNaN() {
> float[] array = new float[] { Float.NEGATIVE_INFINITY, Float.NaN,
> Float.POSITIVE_INFINITY, Float.NaN };
> assertEquals(0, ArrayUtils.indexOf(array, Float.NEGATIVE_INFINITY));
> assertEquals(1, ArrayUtils.indexOf(array, Float.NaN)); // Error
> assertEquals(2, ArrayUtils.indexOf(array, Float.POSITIVE_INFINITY));
> }{code}
>
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