#if !defined(__VECTORCPX_H)
#define __VECTORCPX_H 1

#include <cstdlib>
#include <cstdio>
#include <climits>
#include <limits>
#include <iostream>
#include <fstream>

using namespace std;

class VectorCpx;    //在定義Complex時，這個class還不知道什麼叫做VectorCpx，因此得先加這行"forward declaration"告訴他
class Complex
{
	private:
		double mReal, mImag;
    
	public:
		Complex(double _real = 0, double _imag = 0);
		const double& real() const;
		const double& imag() const;
		void real(double value);
		void imag(double value);
		Complex operator+(const Complex& cpx) const;
		Complex operator-(const Complex& cpx) const;
		Complex operator*(const Complex& cpx) const;
		VectorCpx operator*(const VectorCpx& vc) const;
		Complex operator/(const Complex& cpx) const;
};

ostream& operator<<(ostream& ostr, const Complex& cp);

//////////////////////////////////////////////////////////////

class VectorCpx
{
	private:
		Complex *pCpx;
		unsigned mSize, mCapacity;

	public:
		VectorCpx();	//default constructor
		VectorCpx(unsigned, const Complex&);	//constructor
		VectorCpx(unsigned);	//constructor
		VectorCpx(const VectorCpx&); //copy constructor
		~VectorCpx();	//destructor

		VectorCpx& push_back(const Complex&);
		VectorCpx& resize(unsigned);
		VectorCpx& resize(unsigned, const Complex&);
		unsigned size() const;
		unsigned capacity() const;
		//Complex output(int) const;

		Complex operator*(const VectorCpx& vc) const;
		VectorCpx operator*(const Complex& cpx) const;
		Complex& operator[](const int& place) const;	//這裡的Complex型態後面必須要加上"&"，因為回傳的值必須能拿到Complex class裡修改
		VectorCpx operator=(const VectorCpx vc) const;
};

ostream& operator<<(ostream& ostr, const VectorCpx vc);

#endif