[C++][Python] Floordiv compute kernel

[rohanjain101]

Describe the enhancement requested

Python and numpy support floor division, which for integral types, round towards infinity (pa.compute.divide for integral types rounds towards 0). If one of the types if floating point, then floordiv is equivalent to pa.compute.floor(pa.compute.divide), however, if both types are integral, floordiv should round towards infinity instead of 0. To do this currently, requires a combination of multiple compute calls, such as in pandas-dev/pandas#56677. Since python and numpy support this, would be useful to have this logic in an arrow compute kernel.

Component(s)

C++, Python

[kou]

This discussion may be related:
[DISCUSSION][C++] Re-proposal of 'divmod' in Compute Functions
https://lists.apache.org/thread/h3t6nz1ys2k2hnbrjvwyoxkf70cps8sh

[thisisnic]

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