Vector.hpp
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	#ifndef VECTORHEADERDEF
	#define VECTORHEADERDEF

	#include <string>

	class Vector
	{
	private:
	double * mData; // data stored in vector
	int mSize; // size of vector
	public:
	Vector(const Vector& otherVector);
	Vector(int size);

	Vector();

	~Vector();
	int GetSize() const;
	double& operator[](int i); // zero-based indexing
	// read-only zero-based indexing
	double Read(int i) const;
	int CheckIndex(int i) const ;
	double& operator()(int i); // one-based indexing
	// assignment
	Vector& operator=(const Vector& otherVector);
	Vector operator+() const; // unary +
	Vector operator-() const; // unary -
	Vector operator+(const Vector& v1) const; // binary +
	Vector operator-(const Vector& v1) const; // binary -
	Vector operator(const Vector& v1) const; // binary
	Vector operator/(const Vector& v1) const; // binary /
	friend std::ostream& operator<<(std::ostream& output, const Vector& v);
	// scalar multiplication
	Vector operator *(double a) const;
	// p-norm method
	double CalculateNorm(int p=2) const;
	// declare length function as a friend
	friend int length(const Vector& v);

	};

	// Prototype signature of length() friend function
	int length(const Vector& v);
	// Prototype signature of TerminalPrint() friend function
	void TerminalPrint(Vector v,std::string msg) ;

	#endif