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https://issues.apache.org/jira/browse/LUCENE-7194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15344373#comment-15344373
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ASF subversion and git services commented on LUCENE-7194:
---------------------------------------------------------
Commit 40ca6f1d64ab8ec2e873c2a6c6815ca449b046a4 in lucene-solr's branch
refs/heads/branch_6x from [[email protected]]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=40ca6f1 ]
LUCENE-7194: Ban Math.toRadians and Math.toDegrees
> Ban Math.toRadians/toDegrees and remove all usages of it
> --------------------------------------------------------
>
> Key: LUCENE-7194
> URL: https://issues.apache.org/jira/browse/LUCENE-7194
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Assignee: Karl Wright
> Attachments: LUCENE-7194.patch
>
>
> The result of these methods is unreliable and changes across jvm versions: we
> cannot use these methods.
> The following program prints 0.7722082215479366 on previous versions of java
> but 0.7722082215479367 on java 9 because Math.toRadians is no longer doing
> the same thing:
> {code}
> public class test {
> public static void main(String args[]) throws Exception {
> System.out.println(Math.toRadians(44.244272));
> }
> }
> {code}
> This is because of https://bugs.openjdk.java.net/browse/JDK-4477961.
> I am not really sure its a bug, because the method says that the conversion
> is "generally inexact".
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