gh-106320: Remove private _PyLong_Sign() (#108743)

Move the private _PyLong_Sign() and _PyLong_NumBits() functions
to the internal C API (pycore_long.h).

Modules/_testcapi/long.c now uses the internal C API.

Victor Stinner committed 2y ago

3edcf743e88b4ac4431d4b0f3a66048628cf5c70

Parent: c1e2f3b

Committed by GitHub <noreply@github.com> on 9/1/2023, 7:13:07 AM