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From "Julien Le Dem (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (ARROW-401) [Java] Floating point vectors should do an approximate comparison in integration tests
Date Sat, 03 Dec 2016 01:05:58 GMT

     [ https://issues.apache.org/jira/browse/ARROW-401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Julien Le Dem reassigned ARROW-401:
-----------------------------------

    Assignee: Julien Le Dem

> [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}



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