// http://wenku.baidu.com/view/d51372a60029bd64783e2cc0.html?re=view

// http://wenku.baidu.com/view/ac9b57ea172ded630b1cb65b.html

class HenonEquation : public DiscreteEquation

{

public:

    HenonEquation()

    {

        m_StartX = 0.01f;

        m_StartY = 0.01f;

        m_ParamA = 1.28f;

        m_ParamB = 0.3f;

    }

    void IterateValue(float x, float y, float& outX, float& outY) const

    {

        outX =  - m_ParamA*x*x + m_ParamB*y;

        outY = x;

    }

    bool IsValidParamA() const {return true;}

    bool IsValidParamB() const {return true;}

};