Diff: Matrix.cpp

Revision:

5:a4014ab0a8cf

Parent:

4:c0c8f3edd60e

--- a/Matrix.cpp	Sat Oct 22 23:19:51 2011 +0000
+++ b/Matrix.cpp	Sun Oct 30 16:29:23 2011 +0000
@@ -1,10 +1,13 @@
 /**
- * @file Matrix.cpp
+ * @brief  Source Code for the Matrix Class.
+ * @file   Matrix.cpp
  * @author Ernesto Palacios
- * @brief Source Code for the Matrix Class.
  *
  * Created on September 2011.
  *
+ * Develop Under  GPL v3.0 License
+ * http://www.gnu.org/licenses/gpl-3.0.html
+ *
  */
 
 #include "mbed.h"
@@ -57,7 +60,7 @@
 /***********************************************************************/
 
 /// Returns true if matrix is full of zeros
-bool Matrix::isZero()
+bool Matrix::isZero() const
 {
     bool zero = false;
     for( int i = 0; i < this->_nRows; i++ )
@@ -69,7 +72,7 @@
 
 
 /// Returns true if Matrix is Single Row ot Single Column.
-bool Matrix::isVector()
+bool Matrix::isVector() const
 {
     if( _nRows == 1 || _nCols == 1 )
         return true;
@@ -133,7 +136,7 @@
     Matrix::AddRow( Receip, index );  //Make Room
 
     --index;
-    for( int i; i < Receip._nCols; i++ )
+    for( int i = 0; i < Receip._nCols; i++ )
         Receip._matrix[index][i] = Row._matrix[0][i];   //Copy Data.
 
 }
@@ -245,7 +248,7 @@
         SingleRow.Clear();
 
         for( int j = 0; j < Mat._nCols; j++ )
-	    SingleRow._matrix[0][j] = Mat._matrix[row][j];
+        SingleRow._matrix[0][j] = Mat._matrix[row][j];
 
         SingleRow._pCol = SingleRow._nCols;
         SingleRow._pRow = 0;
@@ -317,7 +320,7 @@
 
 
 /// Prints out Matrix.
-void Matrix::print()
+void Matrix::print() const
 {
     for( int i = 0; i < _nRows; i++ )
     {
@@ -361,24 +364,24 @@
 
 
 /// Adds all elements in matrix and returns the answer.
-float Matrix::sum()
+float Matrix::sum() const
 {
-    float total;
+    float total = 0;
 
-    for( int i = 0; i < this->_nRows; i++ )
-        for( int j = 0; j < this->_nCols; j++ )
-            total += this->_matrix[i][j];
+    for( int i = 0; i < _nRows; i++ )
+        for( int j = 0; j < _nCols; j++ )
+            total += _matrix[i][j];
     return total;
 }
 
 
 /// Returns the specified element. Index Starts at [1][1].
-float Matrix::getNumber( int Row, int Col )
+float Matrix::getNumber( int Row, int Col ) const
 { return this->_matrix[Row -1][Col - 1]; }
 
 /// Returns the number of Rows in Matrix.
-int Matrix::getRows(){ return this->_nRows; }
+int Matrix::getRows() const{ return this->_nRows; }
 
 
 /// Returns the number of Columns in Matrix.
-int Matrix::getCols(){ return this->_nCols; }
\ No newline at end of file
+int Matrix::getCols() const{ return this->_nCols; }
\ No newline at end of file