[ARROW-13367] [C++] Add option to is_null kernel to return true on NaN

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Duplicate
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/29041
• Assignee: Unassigned
• Reporter: Ian Cook
• Created: 16/Jul/21 21:47
• Updated: 11/Jan/23 08:32
• Resolved: 20/Aug/21 22:20

Description

Currently the is_null C++ kernel returns false on NaN values in floating point number data. Consider adding a boolean option to this kernel that could be used to make it return true on NaN values. This would allow the code added in ARROW-12055 to be much simplified.

Issue Links

• duplicates: ARROW-12959 [C++][R] Option for is_null(NaN) to evaluate to true
• is related to: ARROW-13389 [C++] Add option to coalesce kernel to treat NaN as null
• relates to: ARROW-12055 [R] is.na() evaluates to FALSE on Arrow NaN values
• relates to: ARROW-13366 [C++] Add option to is_nan kernel to return true on null