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Jacques Nadeau commented on ARROW-401: -------------------------------------- I wrote it based initially on the code here: https://github.com/mapr/drill-test-framework/blob/master/framework/src/main/java/org/apache/drill/test/framework/ColumnList.java#L115 Don't remember offhand the f1 != 0. What are the rules about NaN and Infinite in the case of a floating point negation? > [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 > Assignee: Julien Le Dem > 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)