[ARROW-12744] [C++][Compute] Add rounding kernel

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: kernel pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/28486
• Assignee: Eduardo Ponce
• Reporter: Ian Cook
• Created: 11/May/21 21:25
• Updated: 11/Jan/23 08:28
• Resolved: 13/Sep/21 17:26

Description

Kernel to round an array of floating point numbers. Should return an array of the same type as the input. Should have an option to control how many digits after the decimal point (default value 0 meaning round to the nearest integer).

Issue Links

• is a child of: ARROW-12748 [C++] Arithmetic kernels for numeric arrays
• is depended upon by: ARROW-13975 [C++][Compute] Add decimal support to round functions
• is related to: ARROW-12745 [C++][Compute] Add floor, ceiling, and truncate kernels
• links to: GitHub Pull Request #10349