[libc] Define HUGE_VALF in math.h (#98522)

petrhosek · web-flow · commit 6cbea4880ea9 · 2024-07-11T14:18:38.000-07:00
This is analogous to `HUGE_VAL`.
diff --git a/libc/include/llvm-libc-macros/math-macros.h b/libc/include/llvm-libc-macros/math-macros.h
@@ -27,6 +27,7 @@
 #define MATH_ERREXCEPT 2
 
 #define HUGE_VAL __builtin_huge_val()
+#define HUGE_VALF __builtin_huge_valf()
 #define INFINITY __builtin_inf()
 #define NAN __builtin_nanf("")
 
