X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fmath%2Filogb.c;h=5a1819d85f4c31e1de8302095586eddea260d21a;hp=0a3a6a46352cdcf1eac8d4d7ac183e72d9fdd51a;hb=be81f51030d90de8d5eb0b65dbdab3032d5cae23;hpb=93a50a26cd0f9efc59cc83daae7b2d916b327ab1

diff --git a/src/math/ilogb.c b/src/math/ilogb.c
index 0a3a6a46..5a1819d8 100644
--- a/src/math/ilogb.c
+++ b/src/math/ilogb.c
@@ -8,13 +8,17 @@ int ilogb(double x)
 
 	if (!e) {
 		u.bits <<= 12;
-		if (u.bits == 0)
+		if (u.bits == 0) {
+			FORCE_EVAL(0/0.0f);
 			return FP_ILOGB0;
+		}
 		/* subnormal x */
 		for (e = -0x3ff; u.bits < (uint64_t)1<<63; e--, u.bits<<=1);
 		return e;
 	}
-	if (e == 0x7ff)
+	if (e == 0x7ff) {
+		FORCE_EVAL(0/0.0f);
 		return u.bits<<12 ? FP_ILOGBNAN : INT_MAX;
+	}
 	return e - 0x3ff;
 }