X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Flogbl.c;h=f3850745812bcfdc797603502d188bf4245b9c10;hb=666271c105e4137bdfa195e217799d74143370d4;hp=5d04abd764404dbb166ae01d18c25cba9b07d679;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;p=musl

diff --git a/src/math/logbl.c b/src/math/logbl.c
index 5d04abd7..f3850745 100644
--- a/src/math/logbl.c
+++ b/src/math/logbl.c
@@ -1,4 +1,3 @@
-#include <limits.h>
 #include "libm.h"
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
 long double logbl(long double x)
@@ -8,12 +7,10 @@ long double logbl(long double x)
 #else
 long double logbl(long double x)
 {
-	int i = ilogbl(x);
-
-	if (i == FP_ILOGB0)
-		return -1.0/fabsl(x);
-	if (i == FP_ILOGBNAN || i == INT_MAX)
+	if (!isfinite(x))
 		return x * x;
-	return i;
+	if (x == 0)
+		return -1/(x+0);
+	return ilogbl(x);
 }
 #endif