edponce commented on a change in pull request #10727:
URL: https://github.com/apache/arrow/pull/10727#discussion_r671413628
##########
File path: docs/source/cpp/compute.rst
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@@ -348,6 +348,22 @@ Bit-wise functions
out of bounds for the data type. However, an overflow when shifting the
first input is not error (truncated bits are silently discarded).
+Rounding functions
+~~~~~~~~~~~~~~~~~~
+
+Rounding functions convert a numeric input into an approximate value with a
+simpler representation based on the rounding strategy.
Review comment:
I added the rounding functions section/text based on the
soon-to-be-ready [`round` and `mround`
functions](https://github.com/apache/arrow/pull/10349). Although, `floor`,
`ceil`, and `trunc` do round to the nearest integer, `round/mround` do not
necessarily. They have options to specify fractional precision and have options
for various rounding strategies.
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