Anonmiraj e06b5e53a2
[libc][math] Implement C23 half precision erfc function (#180930)
Add support for the half-precision complementary error function
`erfcf16``, using a Sollya generated polynomial implementation with
proper handling of special cases.

Extend the MPFR utilities with erfc support to allow tests.

closes: #180927
2026-03-27 10:42:03 -04:00
..