Optimized hex16 and hex32 functions.

tj · Dec 7, 2010 · d2bdb13 · d2bdb13
1 parent 7b9146d
commit d2bdb13
Showing 1 changed file with 2 additions and 21 deletions.
diff --git a/lib/crc.js b/lib/crc.js
@@ -328,34 +328,15 @@ define([], function()
 	 */
 	function hex16(val)
 	{
-		var n=val&0xFFFF;
-		var str=n.toString(16).toUpperCase();
-		while (str.length<4)
-		{
-			str="0"+str;
-		}
-		return str;
+		return hex8(val >> 8) + hex8(val);
 	}
 
 	/**
 	 * Convert value as 32-bit unsigned integer to 8 digit hexadecimal number.
 	 */
 	function hex32(val)
 	{
-		var str2;
-		var n=val&0xFFFF;
-		var str1=n.toString(16).toUpperCase();
-		while (str1.length<4)
-		{
-			str1="0"+str1;
-		}
-		n=(val>>>16)&0xFFFF;
-		str2=n.toString(16).toUpperCase();
-		while (str2.length<4)
-		{
-			str2="0"+str2;
-		}
-		return str2+str1;
+		return hex16(val >> 16) + hex16(val);
 	}
 
 	return {