[libc-commits] [libc] [libc] Provide isnan, isnanf and isnanl functions (PR #96008)

[via libc-commits]

enh-google wrote:

(for completeness, i looked at FreeBSD/NetBSD/OpenBSD, and see that -- unsurprisingly, like macOS -- FreeBSD doesn't declare any of these functions, but NetBSD+OpenBSD both have declarations for isnanf()/isinff() [but not isnanl()/isinfl()].)

https://github.com/llvm/llvm-project/pull/96008