Merge pull request #2 from mbakkar/patch-1

str4d · str4d · commit a07059a6a94e · 2014-08-30T23:17:58.000Z
A tiny optimization for Utils.bit()
diff --git a/src/net/i2p/crypto/eddsa/Utils.java b/src/net/i2p/crypto/eddsa/Utils.java
@@ -34,7 +34,7 @@ public static int negative(int b) {
      * @return 0 or 1, the value of the i'th bit in h
      */
     public static int bit(byte[] h, int i) {
-        return (h[i/8] >> (i%8)) & 1;
+        return (h[i >> 3] >> (i & 7)) & 1;
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -34,7 +34,7 @@ public static int negative(int b) {`
`34`	`34`	`* @return 0 or 1, the value of the i'th bit in h`
`35`	`35`	`*/`
`36`	`36`	`public static int bit(byte[] h, int i) {`
`37`		`- return (h[i/8] >> (i%8)) & 1;`
	`37`	`+ return (h[i >> 3] >> (i & 7)) & 1;`
`38`	`38`	`}`
`39`	`39`
`40`	`40`	`/**`