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https://issues.apache.org/jira/browse/ARROW-9495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17164320#comment-17164320
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Liya Fan commented on ARROW-9495:
---------------------------------
[~apitrou] Thank you for opening this issue.
The reason may be that our test cases compare arrays by Array::ApproxEquals to
workarond floating point errors, however, Array::ApproxEquals is not working
for infinity/-infinity.
> [C++] Equality assertions don't handle Inf / -Inf properly
> -----------------------------------------------------------
>
> Key: ARROW-9495
> URL: https://issues.apache.org/jira/browse/ARROW-9495
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I got this error when working on a PR which added unit tests:
> {code}
> ../src/arrow/testing/gtest_util.cc:101: Failure
> Failed
> Expected:
> [
> 2.5,
> inf,
> -inf
> ]
> Actual:
> [
> 2.5,
> inf,
> -inf
> ]
> {code}
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