Wes McKinney created ARROW-401:
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Summary: [Java] Floating point vectors should do an approximate
comparison in integration tests
Key: ARROW-401
URL: https://issues.apache.org/jira/browse/ARROW-401
Project: Apache Arrow
Issue Type: Bug
Components: Java - Vectors
Reporter: Wes McKinney
Priority: Blocker
Floating point precision rears its ugly head:
{code}
Incompatible files
Different values in column:
Field{name=float64_nullable, type=FloatingPoint{2}, children=[],
layout=TypeLayout{[{width=1,type=VALIDITY}, {width=64,type=DATA}]}} at index 1:
912.4140000000002 != 912.414
10:23:45.863 [main] ERROR org.apache.arrow.tools.Integration - Incompatible
files
java.lang.IllegalArgumentException: Different values in column:
Field{name=float64_nullable, type=FloatingPoint{2}, children=[],
layout=TypeLayout{[{width=1,type=VALIDITY}, {width=64,type=DATA}]}} at index 1:
912.4140000000002 != 912.414
{code}
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