libc: Add fpclassify

2022-11-09 11:36:52 +01:00 · 2022-11-09 11:36:52 +01:00 · bbc7a7338c
commit bbc7a7338c
parent 59e03d0799
1 changed files with 7 additions and 0 deletions
--- a/libs/libc/include/math.h
+++ b/libs/libc/include/math.h
@ -4,6 +4,13 @@
 typedef float float_t;
 typedef double double_t;

+#define FP_NAN 0
+#define FP_INFINITE 1
+#define FP_ZERO 2
+#define FP_SUBNORMAL 3
+#define FP_NORMAL 4
+#define fpclassify(x) __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_ZERO, x)
+
 #ifdef __cplusplus
 extern "C"
 {