Matrix2x2.hpp
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	#ifndef Matrix2x2HEADERDEF
	#define Matrix2x2HEADERDEF

	#include <iostream>

	class Matrix2x2
	{
	private:
	// Private data members
	// We can store the data members as a 1D array:
	// M[i][j] = mMatrix[2 * i + j]
	double matrix[4];

	public:
	// CONSTRUCTORS
	Matrix2x2();
	// Overriden Copy constructor
	Matrix2x2(const Matrix2x2& m);
	// Alternate constructor (4 entry)
	Matrix2x2(const double m11, const double m12,
	const double m21, const double m22);
	// Deconstructor
	virtual ~Matrix2x2();

	// METHODS
	// Method to get the matrix value
	double Get(const int& i, const int& j) const;
	// Method used to compute the determinant
	double getDeterminant() const;
	// Compute inverse of the matrix
	Matrix2x2 Inverse() const;

	// OPERATORS
	// Overload assignment operator
	Matrix2x2& operator=(const Matrix2x2& m);
	// Overload unary operator
	Matrix2x2 operator-() const;
	// Overload plus operator
	Matrix2x2 operator+(const Matrix2x2& m) const;
	// Overload minus operator
	Matrix2x2 operator-(const Matrix2x2& m) const;

	// Method to multiply by a constant
	void Multiply(const double d);

	// Friends
	friend std::ostream& operator<<(std::ostream& output,
	const Matrix2x2& z);

	};


	#endif
	//Code from Chapter06.tex line 746 save as ComplexNumber.hpp