00001 00002 00008 /* 00009 */ 00011 00012 #ifndef __SSF_NATURAL_CUBIC_SPLINE_INTERPOLATOR_H__ 00013 #define __SSF_NATURAL_CUBIC_SPLINE_INTERPOLATOR_H__ 00014 00015 #include <Matrix.h> 00016 #include "Interpolator.h" 00017 00018 namespace O_SESSAME { 00024 class NaturalCubicSplineInterpolator : public Interpolator 00025 { 00026 public: 00030 NaturalCubicSplineInterpolator(); 00031 00035 NaturalCubicSplineInterpolator(const Vector& _inputPoints, const Matrix& _outputPoints); 00036 00044 virtual void Interpolate(const Vector& _timePoints, const Matrix& _dataPoints); 00045 00052 virtual Vector Evaluate(const double& _inputPoint); 00053 00059 virtual int GetNumberDataPoints() {return m_NumDataPoints;}; 00060 00068 virtual NaturalCubicSplineInterpolator* NewPointer(); 00069 00077 virtual NaturalCubicSplineInterpolator* Clone(); 00078 00079 protected: 00083 void BuildNaturalCubicSplineInterpolation(const double& _x1, const double& _y1, const double& _x2, const double& _y2, double& _Slope, double& _Offset); 00084 00086 virtual void SetNumberDataPoints(const int& _numberDataPoints) {}; 00087 00088 private: 00090 int m_NumDataPoints; 00092 int m_NumElements; 00093 00094 Matrix m_Acoeff; 00095 Matrix m_Bcoeff; 00096 Matrix m_Ccoeff; 00097 Matrix m_Dcoeff; 00098 00099 Vector m_tempOutput; // this is faster, but larger could be a problem for big histories 00100 00101 }; 00102 00103 #endif 00104 } // close namespace O_SESSAME 00105 00106 00107 // Do not change the comments below - they will be added automatically by CVS 00108 /***************************************************************************** 00109 * $Log: Integrator.h,v $ 00110 * 00111 ******************************************************************************/
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