diff -r 574e0baea136 -r a689e0187ef5 lvm.js
--- a/lvm.js	Sat Sep 21 14:02:16 2013 +0100
+++ b/lvm.js	Sat Sep 21 14:31:22 2013 +0100
@@ -850,10 +850,16 @@
 	{
 		var m = x.value;
 		var e = 0;
-		while (Math.abs(m) >= 1) {
-			m = m / 2;
-			e = e + 1;
-		};
+		if(m != 0) {
+			while (Math.abs(m) < 0.5) {
+				m = m * 2;
+				e = e - 1;
+			}
+			while (Math.abs(m) >= 1) {
+				m = m / 2;
+				e = e + 1;
+			}
+		}
 		return [this.LValue(m), this.LValue(e)];
 	},
 	floor: function (x)