Fixed fisheryates algorithm

infusion · infusion · commit 88b545497842 · 2015-08-14T14:12:03.000+02:00
diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
@@ -21,8 +21,8 @@
     var size = array.length;
     var rand;
     var temp;
-    for (var i = 1; i < size; i += 1) {
-      rand = Math.round(Math.random() * i);
+    for (var i = 0; i < size; i += 1) {
+      rand = Math.floor(i + Math.random() * (size - i));
       temp = array[rand];
       array[rand] = array[i];
       array[i] = temp;
