混沌数学之帐篷模型

相关代码:
// http://wenku.baidu.com/view/7c6f4a000740be1e650e9a75.html
// 帐篷映射
class TentEquation : public DiscreteEquation
{
public:
    TentEquation()
    {
        m_StartX = 0.0f;
        m_StartY = 0.36f;

        m_ParamA = 0.99f;
    }

    void IterateValue(float x, float y, float& outX, float& outY) const
    {
        outX = x+0.00025f;
        outY = m_ParamA - (1 + m_ParamA)*fabsf(y);
    }

    bool IsValidParamA() const {return true;}
};