Merge pull request TheAlgorithms#722 from Egoscio/patch-1 to fix TheAlgorithms#719

yanglbme · web-flow · commit cd60c39b7634 · 2019-03-22T10:43:47.000+08:00
Made Matrix equality comparison deep.
diff --git a/DataStructures/Matrix/Matrix.java b/DataStructures/Matrix/Matrix.java
@@ -211,7 +211,15 @@ public Matrix multiply(Matrix other) throws RuntimeException {
 	* @return boolean
     */
     public boolean equals(Matrix other) {
-        return this == other;
+        if (this.getRows() != other.getRows() || this.getColumns() != other.getColumns())
+            return false;
+	    
+        for (int i = 0; i < this.data.length; i++)
+            for (int j = 0; j < this.data[0].length; j++)
+                if (this.data[i][j] != other.data[i][j])
+                    return false;
+	    
+        return true;
     }
 
     /**
