Improved performance of hBytes increment.

doc/md5.js.html

@@ -30,7 +30,7 @@
  * [js-md5]{@link https://github.com/emn178/js-md5}
  *
  * @namespace md5
- * @version 0.7.1
+ * @version 0.7.2
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
  * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
@@ -330,10 +330,6 @@
       }
       this.lastByteIndex = i;
       this.bytes += i - this.start;
-      while (this.bytes > 4294967295) {
-        ++this.hBytes;
-        this.bytes -= 4294967296;
-      }
       if (i >= 64) {
         this.start = i - 64;
         this.hash();
@@ -342,6 +338,10 @@
         this.start = i;
       }
     }
+    if (this.bytes > 4294967295) {
+      this.hBytes += this.bytes / 4294967296 << 0;
+      this.bytes = this.bytes % 4294967296;
+    }
     return this;
   };
 
@@ -725,7 +725,7 @@
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Oct 29 2017 21:21:25 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Oct 31 2017 20:29:31 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>