HyukjinKwon commented on code in PR #37592:
URL: https://github.com/apache/spark/pull/37592#discussion_r950952825
##########
python/pyspark/sql/functions.py:
##########
@@ -1037,6 +1084,22 @@ def expm1(col: "ColumnOrName") -> Column:
Computes the exponential of the given value minus one.
.. versionadded:: 1.4.0
+
+ Parameters
+ ----------
+ col : :class:`~pyspark.sql.Column` or str
+ column to calculate exponential for.
+
+ Returns
+ -------
+ :class:`~pyspark.sql.Column`
+ exponential less one.
+
+ Examples
+ --------
+ >>> df = spark.range(1)
+ >>> df.select(expm1(lit(1))).first() # doctest: +ELLIPSIS
+ Row(EXPM1(1)=1.71828...)
Review Comment:
This is a nice trick. In this way, the test won't be flaky even when the
precision changes. If you use `show()`, it might break because of dashes (e.g.,
if 1.321 become 1.32). BTW you can remove `# doctest: +ELLIPSIS` since that's
defined in the bottom of this file.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
