From 1b02fc26c471c3d367a767ff33e30bbdd7553e57 Mon Sep 17 00:00:00 2001
From: rjbaucells <rjbaucells@gmail.com>
Date: Tue, 5 May 2015 20:05:50 -0400
Subject: [PATCH] Revert "Do not call equal() for all items"

This reverts commit 0edf1fe27f9b1ce25d63b6024db5e5d32070d24d.
---
 lib/type/matrix/util/algorithm04.js | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/lib/type/matrix/util/algorithm04.js b/lib/type/matrix/util/algorithm04.js
index c50fd69ee..c8d26aa34 100644
--- a/lib/type/matrix/util/algorithm04.js
+++ b/lib/type/matrix/util/algorithm04.js
@@ -110,22 +110,11 @@ function factory (type, config, load) {
         // check row exists in workspace
         if (w[i] === mark) {
           // check we need to process values
-          if (x) {
-            // invoke callback
-            var v = cf(x[i], bvalues[k]);
-            // check for zero value
-            if (!ef(v, zero)) {
-              // store value
-              x[i] = v;
-            }
-            else {
-              // remove mark (index will be updated below)
-              w[i] = null;
-            }
-          }
+          if (x)
+            x[i] = cf(x[i], bvalues[k]);
         }
         else {
-          // update c (i not yet on c)
+          // update c
           cindex.push(i);
           // update workspace
           w[i] = mark;
@@ -142,10 +131,12 @@ function factory (type, config, load) {
         while (k < cindex.length) {
           // row
           i = cindex[k];
-          // check we have a mark @ i
-          if (w[i] === mark) {
+          // value @ i
+          var v = x[i];
+          // check for zero value
+          if (!ef(v, zero)) {
             // push value
-            cvalues.push(x[i]);
+            cvalues.push(v);
             // increment pointer
             k++;
           }