nmWATI/Include/iAlg/iAlgMath/zxHugeNum.h

#pragma once

#include "iAlgMath_global.h"

// 定义大数
class I_ALGMATH_EXPORT zxHugeNum
{
public:

    zxHugeNum();
    zxHugeNum(double dM, double dI = 0);
    zxHugeNum(const zxHugeNum& other);
    ~zxHugeNum();

    bool operator == (const zxHugeNum &other) const;
    bool operator != (const zxHugeNum &other) const;

    zxHugeNum operator = (const zxHugeNum& other);
    zxHugeNum operator + (const zxHugeNum& other);
    zxHugeNum operator - (const zxHugeNum& other);
    zxHugeNum operator * (const zxHugeNum& other);
    zxHugeNum operator / (const zxHugeNum& other);

    zxHugeNum operator + (const double& d);
    zxHugeNum operator - (const double& d);
    zxHugeNum operator * (const double& d);
    zxHugeNum operator / (const double& d);

public:

    double index() { return m_dIndex; }
    double multipler() { return m_dMultipler; }
    double total() { return m_dTotal; }
    bool isZero();

private:

    void makesureTotal();

private:

    double m_dIndex;    //exp的次数
    double m_dMultipler;//乘数
    double m_dTotal;    //合起来是 exp(m_dIndex) * m_dMultipler;
};