X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fmath%2Filogbf.c;h=42cd62e2dd9b37598c716b73825090fd74eb588a;hp=272cbdac0ccf36dc2bb9d2ede7116853cad1748f;hb=be81f51030d90de8d5eb0b65dbdab3032d5cae23;hpb=6f64505df37c41d7496612dffe86048765339a7a

diff --git a/src/math/ilogbf.c b/src/math/ilogbf.c
index 272cbdac..42cd62e2 100644
--- a/src/math/ilogbf.c
+++ b/src/math/ilogbf.c
@@ -8,13 +8,17 @@ int ilogbf(float x)
 
 	if (!e) {
 		u.bits <<= 9;
-		if (u.bits == 0)
+		if (u.bits == 0) {
+			FORCE_EVAL(0/0.0f);
 			return FP_ILOGB0;
+		}
 		/* subnormal x */
 		for (e = -0x7f; u.bits < (uint32_t)1<<31; e--, u.bits<<=1);
 		return e;
 	}
-	if (e == 0xff)
+	if (e == 0xff) {
+		FORCE_EVAL(0/0.0f);
 		return u.bits<<9 ? FP_ILOGBNAN : INT_MAX;
+	}
 	return e - 0x7f;
 }