[C++] Revamp numeric casts: faster performance and reduced binary size

[asfimport]

I'm working on overhauling integer and floating point casts in scalar_cast_numeric.cc. Patch coming soon

Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm

Related issues:

• [C++] Add more general BoundsCheck function that also checks for arbitrary lower limits in integer arrays (is related to)

PRs and other links:

• GitHub Pull Request #7506

_{Note: This issue was originally created as ARROW-9197. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
Issue resolved by pull request 7506
#7506