update test cases and format code

tools/matrix.h

@@ -6,12 +6,12 @@
 #include <vector>
 
 /**
-* Vector is a class to represent
-* a column vector with n rows.
-*/
+ * Vector is a class to represent
+ * a column vector with n rows.
+ */
 
-
-class Vector {
+class Vector
+{
 protected:
 	// Number of rows in vector
 	int rows;
@@ -19,39 +19,41 @@ protected:
 	int columns;
 	// Matrix representation as vector of vectors of integers
 	std::vector<double> vector;
+
 public:
 	Vector(int n);
 
-	Vector(const Vector& other);
+	Vector(const Vector &other);
 
 	Vector(std::initializer_list<double>);
 
 	/* Getter for the number of rows */
 	int size() const;
 
-	double& operator[](int row);
+	double &operator[](int row);
 
-	Vector& operator=(const Vector& other);
+	Vector &operator=(const Vector &other);
 
-	Vector operator+(Vector& other);
+	Vector operator+(Vector &other);
 
-	Vector operator-(Vector& other);
+	Vector operator-(Vector &other);
 
 	/* Input operator reads element of vector */
-	friend std::istream& operator>>(std::istream& cin, Vector& vectorObj);
+	friend std::istream &operator>>(std::istream &cin, Vector &vectorObj);
 
 	/* Output operator prints elements of the vector
-	* in a row separated with a space (no space at the end of the line)
-	*/
-	friend std::ostream& operator<<(std::ostream& cout, Vector& vectorObj);
+	 * in a row separated with a space (no space at the end of the line)
+	 */
+	friend std::ostream &operator<<(std::ostream &cout, Vector &vectorObj);
 };
 
 /**
-* Class Matrix represents
-* a matrix of size n x m
-* of type integer.
-*/
-class Matrix {
+ * Class Matrix represents
+ * a matrix of size n x m
+ * of type integer.
+ */
+class Matrix
+{
 protected:
 	// Number of rows in matrix
 	int rows;
@@ -59,10 +61,11 @@ protected:
 	int columns;
 	// Matrix representation as vector of vectors of integers
 	std::vector<Vector> matrix;
+
 public:
 	Matrix(int n, int m);
 
-	Matrix(const Matrix& other);
+	Matrix(const Matrix &other);
 
 	Matrix(std::initializer_list<std::vector<double>>);
 
@@ -72,15 +75,15 @@ public:
 	/* Getter for the number of columns */
 	int getColumns() const;
 
-	Vector& operator[](int row);
+	Vector &operator[](int row);
 
-	Matrix& operator=(const Matrix& other);
+	Matrix &operator=(const Matrix &other);
 
-	Matrix operator+(Matrix& other) const;
+	Matrix operator+(Matrix &other) const;
 
-	Matrix operator-(Matrix& other) const;
+	Matrix operator-(Matrix &other) const;
 
-	Matrix operator*(Matrix& other) const;
+	Matrix operator*(Matrix &other) const;
 
 	/* Matrix-Vector multiplication */
 	Vector operator*(Vector other) const;
@@ -89,12 +92,12 @@ public:
 	Matrix transpose() const;
 
 	/* Input operator reads element of matrix row by row */
-	friend std::istream& operator>>(std::istream& cin, Matrix& matrixObj);
+	friend std::istream &operator>>(std::istream &cin, Matrix &matrixObj);
 
 	/* Output operator prints elements of the matrix
-	* row by row separated with a space (no space at the end of each line)
-	*/
-	friend std::ostream& operator<<(std::ostream& cout, Matrix& matrixObj);
+	 * row by row separated with a space (no space at the end of each line)
+	 */
+	friend std::ostream &operator<<(std::ostream &cout, Matrix &matrixObj);
 };
 
-#endif  // TOOLS_MATRIX_H
+#endif // TOOLS_MATRIX_H