Robert Muir created LUCENE-7194:
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Summary: 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
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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