Makoto Yui created HIVEMALL-163:
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Summary: 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
Priority: Minor
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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