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

[Petr Hosek via libc-commits]

================
@@ -17,4 +17,6 @@
 
 %%public_api()
 
+#define isnan(x) __builtin_isnan(x)
----------------
petrhosek wrote:

Should we put this macro into its own header? Do you have any suggestion for the name?

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