sxy_series_coef.h Source File

00001 
00002 #ifndef series_coef_h
00003 #define series_coef_h
00004 
00005 // =======================================================================
00006 
00007 #include "sxy_vector.h"
00008 #include "sxy_series.h"
00009 
00010 // =======================================================================
00011 
00016 class SXYCoeficientsAproximationSeries : public SXYSeries {
00017 
00019    SXYVector<SXYSeries*> *parameters_vector;
00020 
00025    unsigned int max_index;
00026 
00028    unsigned int num_coeficients;
00029 
00031    unsigned int num_points;
00032 
00036    double* buffer_x;
00037 
00041    double* buffer_y;
00042 
00044    double* coeficients;
00045 
00047    double lxmin;
00048 
00050    double lxmax;
00051 
00053    double lymin;
00054 
00056    double lymax;
00057 
00059    unsigned int has_manual_limit;
00060 
00061    // Funções internas
00062    void resetCoeficients(void);
00063    unsigned int fillBuffer(void);
00064 
00065  protected:
00066 
00067    // Função interna para cálculo
00068    virtual unsigned int calculateCoeficients(unsigned int n, 
00069          double* x, double* y) = 0;
00070    void setCoeficient(unsigned int c, double coef);
00071 
00072  public:
00073 
00074    // Métodos de tratamento de limites da reta de aproximação
00075    void resetLimits(void);
00076    void setLimits(double xmin, double xmax, double ymin, double ymax);
00077    void getLimits(double& xmin, double& xmax, double& ymin, double& ymax);
00078    unsigned int getNumCoeficients(void) const;
00079    unsigned int getBufferSize(void) const;
00080 
00081    // Ajuste de valor log.
00082    virtual unsigned int isLogXCallback(void) { return 0; }
00083    virtual unsigned int isLogYCallback(void) { return 0; }
00084    virtual unsigned int aproxFunctionCallback(double x, double& y) = 0;
00085 
00086    // Métodos de consulta 
00087    void getLog( unsigned int& logx, unsigned int& logy );
00088    unsigned int getCoeficient(unsigned int c, double& coef) const;
00089 
00090    // Métodos redefinidos para uma série
00091    unsigned int getNumPoints(void);
00092    unsigned int getPoint(unsigned int n, double& x, double& y);
00093     
00094    // Ajuste das séries de entrada (parâmetros)
00095    unsigned int getNumParameters(void) const;
00096    void insertParameter(SXYSeries* param);
00097    SXYSeries* getParameter(int i) const;
00098 
00099    // Construtor e destrutor 
00100    virtual ~SXYCoeficientsAproximationSeries();
00101    SXYCoeficientsAproximationSeries(unsigned int num_variables, 
00102          unsigned int buffer_size=200, unsigned int resolution=100);
00103 };
00104 
00105 #endif
00106