#pragma once

#include "iAlgPvtBase.h"

class M_PVT_EXPORT gasCritical : public iAlgPvtBase
{
private:

    enum PvtAlgMethod
    {
        PM_Standing = 0,
        PM_Carr,
        PM_Sutton,
        PM_WichertAziz,
        PM_HTHP,
        PM_CarKobayshiBurrows
    };

public:

    gasCritical();

    // 绑定成员变量
    virtual void bindMembers();

    // 虚函数，计算函数
    virtual bool cal(double& dIn, double& dOut);

public:

    bool carr(double& dTc, double& dPc);
    bool standing(double& dTc, double& dPc);
    bool sutton(double& dTc, double& dPc, bool bAdjust = true);

    // 20210914
    bool wichertAziz(double& dTc, double& dPc);
    bool HTHP(double& dTc, double& dPc);
    bool carKobayshiBurrows(double& dTc, double& dPc);    
    bool adjustByA(double A, double& dTc, double& dPc);

    bool convertByWA(double& dTc, double& dPc);
    bool adjustPc(double& dPc);

private:

    double m_dRg;    //rg,气体比重，该气体的密度与空气密度之比，无量纲，具体情况具体分析,0.55-0.8
    double m_dCO2;   //yCO2,天然气中含二氧化碳CO2的摩尔分数，无量纲
    double m_dN2;    //yN2,天然气中含氮气N2的摩尔分数，无量纲
    double m_dH2S;   //yH2S,天然气中含硫化氢H2S的摩尔分数，无量纲
};