X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fscalbn.c;h=003141e3c14a9a8f59ec68407ca719c9f7d6de8b;hb=330fd96213da324f9164081df9a5226790d7c4ec;hp=42a2b2943e32bc9a0700f4d789bfda84d41547d0;hpb=666271c105e4137bdfa195e217799d74143370d4;p=musl

diff --git a/src/math/scalbn.c b/src/math/scalbn.c
index 42a2b294..003141e3 100644
--- a/src/math/scalbn.c
+++ b/src/math/scalbn.c
@@ -2,8 +2,6 @@
 
 double scalbn(double x, int n)
 {
-	/* make sure result is stored as double on overflow or underflow */
-	volatile double z;
 	double scale;
 
 	if (n > 1023) {
@@ -13,8 +11,8 @@ double scalbn(double x, int n)
 			x *= 0x1p1023;
 			n -= 1023;
 			if (n > 1023) {
-				z = x * 0x1p1023;
-				return z;
+				STRICT_ASSIGN(double, x, x * 0x1p1023);
+				return x;
 			}
 		}
 	} else if (n < -1022) {
@@ -24,12 +22,12 @@ double scalbn(double x, int n)
 			x *= 0x1p-1022;
 			n += 1022;
 			if (n < -1022) {
-				z = x * 0x1p-1022;
-				return z;
+				STRICT_ASSIGN(double, x, x * 0x1p-1022);
+				return x;
 			}
 		}
 	}
 	INSERT_WORDS(scale, (uint32_t)(0x3ff+n)<<20, 0);
-	z = x * scale;
-	return z;
+	STRICT_ASSIGN(double, x, x * scale);
+	return x;
 }