tree 6d2cb17b2252aca81b7a86791a31bc8ee010dc15
parent d3831830f75b2228df242569e385c01eb407ec1c
author Michael Flanders <mkf727@cs.washington.edu> 1710523910 -0700
committer Copybara-Service <copybara-worker@google.com> 1710524183 -0700

[libc][math][c23] adds `nanf128` (#85201)

Continuing #84689, this one required more changes than the others, so I
am making it a separate PR.

Extends some stuff in `str_to_float.h`, `str_to_integer.h` to work on
types wider than `unsigned long long` and `uint64_t`.

cc @lntue for review.

GitOrigin-RevId: b43965adacfafc4dc6b5ec17b4bea839372b7626