wangyum commented on a change in pull request #25279: [WIP][SPARK-28519][SQL]
Use StrictMath log, pow functions for platform independence
URL: https://github.com/apache/spark/pull/25279#discussion_r308090004
##########
File path: sql/core/src/test/resources/sql-tests/results/pgSQL/float8.sql.out
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@@ -528,7 +528,7 @@ SELECT atanh(double('0.5'))
-- !query 56 schema
struct<ATANH(CAST(0.5 AS DOUBLE)):double>
-- !query 56 output
-0.5493061443340549
+0.5493061443340548
Review comment:
Yes. PostgreSQL returns `0.549306144334055`:
https://github.com/postgres/postgres/blob/REL_12_BETA2/src/test/regress/expected/float8.out#L490-L494
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