edponce commented on a change in pull request #10349:
URL: https://github.com/apache/arrow/pull/10349#discussion_r659965886
##########
File path: docs/source/cpp/compute.rst
##########
@@ -312,6 +313,79 @@ precision of `divide` is at least the sum of precisions of
both operands with
enough scale kept. Error is returned if the result precision is beyond the
decimal value range.
+Rounding functions
+~~~~~~~~~~~~~~~~~~
+
+These functions displace numeric input(s) to approximate and shorter numeric
+representation(s). Integral input(s) produce floating-point output(s) of same
value.
+If any of the input element(s) is null, the corresponding output element is
null.
+
++---------------+------------+-------------+-------------+----------------------------------+
+| Function name | Arity | Input types | Output type | Notes | Options
class |
Review comment:
Well, I was trying to mimick the [string
transforms](https://arrow.apache.org/docs/cpp/compute.html#string-transforms)
table, but noticed that there was a typo, so now *Notes* and *Options class*
are different columns.
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