From 586b93bcf3d7f8569aee6c5ba25e8f3a3e7fed4e Mon Sep 17 00:00:00 2001
From: rjbaucells <rjbaucells@gmail.com>
Date: Sun, 3 May 2015 23:39:06 -0400
Subject: [PATCH] atan2 updates

---
 lib/function/trigonometry/atan2.js       | 3 ++-
 test/function/trigonometry/atan2.test.js | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/function/trigonometry/atan2.js b/lib/function/trigonometry/atan2.js
index 56d0d4cc8..c84d1333c 100644
--- a/lib/function/trigonometry/atan2.js
+++ b/lib/function/trigonometry/atan2.js
@@ -10,6 +10,7 @@ function factory (type, config, load, typed) {
   var algorithm03 = load(require('../../type/matrix/util/algorithm03'));
   var algorithm09 = load(require('../../type/matrix/util/algorithm09'));
   var algorithm11 = load(require('../../type/matrix/util/algorithm11'));
+  var algorithm12 = load(require('../../type/matrix/util/algorithm12'));
   var algorithm13 = load(require('../../type/matrix/util/algorithm13'));
   var algorithm14 = load(require('../../type/matrix/util/algorithm14'));
 
@@ -122,7 +123,7 @@ function factory (type, config, load, typed) {
       // check storage format
       switch (y.storage()) {
         case 'sparse':
-          c = algorithm11(y, x, atan2, true);
+          c = algorithm12(y, x, atan2, true);
           break;
         default:
           c = algorithm14(y, x, atan2, true);
diff --git a/test/function/trigonometry/atan2.test.js b/test/function/trigonometry/atan2.test.js
index 3b152e539..c856e21b7 100644
--- a/test/function/trigonometry/atan2.test.js
+++ b/test/function/trigonometry/atan2.test.js
@@ -130,7 +130,7 @@ describe('atan2', function() {
   describe('SparseMatrix', function () {
 
     it('should calculate atan2 sparse matrix - scalar', function () {
-      assert.deepEqual(divide(atan2(1, sparse([[1, -1], [0, 1]])), pi), sparse([[0.25, 0.75], [0.5, 0.25]]));
+      assert.deepEqual(divide(atan2(1, sparse([[1, -1], [0, 1]])), pi), matrix([[0.25, 0.75], [0.5, 0.25]]));
       assert.deepEqual(divide(atan2(sparse([[1, -1], [0, 1]]), 1), pi), sparse([[0.25, -0.25], [0, 0.25]]));
     });