Julie Tibshirani created LUCENE-9592:
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Summary: TestVectorUtil can fail with assertion error
Key: LUCENE-9592
URL: https://issues.apache.org/jira/browse/LUCENE-9592
Project: Lucene - Core
Issue Type: Test
Reporter: Julie Tibshirani
Example failure:
{code:java}
java.lang.AssertionError: expected:<35.699527740478516> but
was:<35.69953918457031>java.lang.AssertionError: expected:<35.699527740478516>
but was:<35.69953918457031> at
__randomizedtesting.SeedInfo.seed([305701410F76FAD0:4797D77886281D68]:0) at
org.junit.Assert.fail(Assert.java:89) at
org.junit.Assert.failNotEquals(Assert.java:835) at
org.junit.Assert.assertEquals(Assert.java:555) at
org.junit.Assert.assertEquals(Assert.java:685) at
org.apache.lucene.util.TestVectorUtil.testSelfDotProduct(TestVectorUtil.java:28)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method) at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567){code}
Reproduce line:
{code:java}
gradlew test --tests TestVectorUtil.testSelfDotProduct
-Dtests.seed=305701410F76FAD0 -Dtests.slow=true -Dtests.badapples=true
-Dtests.locale=ar-AE -Dtests.timezone=SystemV/MST7 -Dtests.asserts=true
-Dtests.file.encoding=UTF-8 {code}
Perhaps the vector utility methods should work with doubles instead of floats
to avoid loss of precision.
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