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https://issues.apache.org/jira/browse/HIVEMALL-163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Makoto Yui closed HIVEMALL-163.
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Resolution: Fixed
> Add IS_INFINITE, IS_FINITE, IS_NAN functions
> --------------------------------------------
>
> Key: HIVEMALL-163
> URL: https://issues.apache.org/jira/browse/HIVEMALL-163
> Project: Hivemall
> Issue Type: Wish
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Major
> Fix For: 0.5.2
>
>
> Support floating point functions as in
> [PrestoDB|https://prestodb.io/docs/current/functions/math.html].
> {code}
> Floating Point Functions
> infinity() → double
> Returns the constant representing positive infinity.
> is_finite(x) → boolean
> Determine if x is finite.
> is_infinite(x) → boolean
> Determine if x is infinite.
> is_nan(x) → boolean
> Determine if x is not-a-number.
> nan() → double
> Returns the constant representing not-a-number.
> {code}
> https://github.com/brndnmtthws/facebook-hive-udfs/blob/master/src/main/java/com/facebook/hive/udf/UDFIsFinite.java
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