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-rw-r--r--src/math/__fpclassifyf.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/src/math/__fpclassifyf.c b/src/math/__fpclassifyf.c
index bf59d0d4..8149087b 100644
--- a/src/math/__fpclassifyf.c
+++ b/src/math/__fpclassifyf.c
@@ -1,14 +1,10 @@
-#include <stdint.h>
-#include <math.h>
+#include "libm.h"
 
-int __fpclassifyf(float __x)
+int __fpclassifyf(float x)
 {
-	union {
-		float __f;
-		__uint32_t __i;
-	} __y = { __x };
-	int __ee = __y.__i>>23 & 0xff;
-	if (!__ee) return __y.__i<<1 ? FP_SUBNORMAL : FP_ZERO;
-	if (__ee==0xff) return __y.__i<<9 ? FP_NAN : FP_INFINITE;
+	union fshape u = { x };
+	int e = u.bits>>23 & 0xff;
+	if (!e) return u.bits<<1 ? FP_SUBNORMAL : FP_ZERO;
+	if (e==0xff) return u.bits<<9 ? FP_NAN : FP_INFINITE;
 	return FP_NORMAL;
 }