edponce commented on a change in pull request #10274:
URL: https://github.com/apache/arrow/pull/10274#discussion_r631425707
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File path: cpp/src/arrow/compute/api_scalar.h
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@@ -160,6 +160,18 @@ struct ARROW_EXPORT ProjectOptions : public
FunctionOptions {
/// @}
+/// \brief Get the absolute value of a value. Array values can be of arbitrary
+/// length. If argument is null the result will be null.
+///
+/// \param[in] arg the value transformed
+/// \param[in] options arithmetic options (overflow handling), optional
+/// \param[in] ctx the function execution context, optional
+/// \return the elementwise absolute value
Review comment:
Not sure what you refer to as "values"? The documentation is written for
a single input "value", except for the comment that refers to array inputs.
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