X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmath%2Flogbf.c;h=a0a0b5ed5be57de3e3ce05811af631f2ca88898a;hb=b72cd07f176b876aa51864d93aa8101477b1d732;hp=934827f885b7e388eacce766cdd30090fc329487;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;p=musl

diff --git a/src/math/logbf.c b/src/math/logbf.c
index 934827f8..a0a0b5ed 100644
--- a/src/math/logbf.c
+++ b/src/math/logbf.c
@@ -1,12 +1,10 @@
-#include <limits.h>
-#include "libm.h"
+#include <math.h>
 
-float logbf(float x) {
-	int i = ilogbf(x);
-
-	if (i == FP_ILOGB0)
-		return -1.0f/fabsf(x);
-	if (i == FP_ILOGBNAN || i == INT_MAX)
+float logbf(float x)
+{
+	if (!isfinite(x))
 		return x * x;
-	return i;
+	if (x == 0)
+		return -1/(x*x);
+	return ilogbf(x);
 }