[C++] Add "is_nan" kernel #18434
Description
Add "is_nan" kernel on the basis of "is_null" kernel signature (see arrow/compute/kernels/scalar_validity.cc) and implemented with applicator & operator like in arrow/compute/kernels/compare.cc kernels. Kernel only implemented for FloatType and DoubleType.
Reporter: Bruno LE HYARIC / @bu2
Assignee: Bruno LE HYARIC / @bu2
PRs and other links:
Note: This issue was originally created as ARROW-11043. Please see the migration documentation for further details.