[ARROW-401] [Java] Floating point vectors should do an approximate comparison in integration tests

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Component/s: Java
• External issue URL: https://github.com/apache/arrow/issues/16031
• Assignee: Julien Le Dem
• Reporter: Wes McKinney
• Created: 02/Dec/16 15:25
• Updated: 11/Jan/23 07:08
• Resolved: 05/Dec/16 22:57

Description

Floating point precision rears its ugly head:

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

Issue Links

• links to: PR