Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/20618#discussion_r169086471
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1500,31 +1537,35 @@ object functions {
}
/**
- * Computes the cosine of the given value. Units in radians.
+ * @param e angle in radians
+ * @return cosine of the angle, as if computed by [[java.lang.Math#cos]]
*
* @group math_funcs
* @since 1.4.0
*/
def cos(e: Column): Column = withExpr { Cos(e.expr) }
/**
- * Computes the cosine of the given column.
+ * @param columnName angle in radians
+ * @return cosine of the angle, as if computed by
[[java.lang.Math#cos]]
--- End diff --
You don't need to line these up, especially if it makes it extend past the
line limit or wrap.
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