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/* $Id$ */
#ifndef GVGCPFIT_H_INCLUDED
#define GVGCPFIT_H_INCLUDED
#include "cpl_port.h"
#include "cpl_conv.h"
#include "cpl_error.h"
#define EXTERNAL
#define LOCAL static
#define SUCCESS 0
#define ABORT -1
/*------------------------ Start of file CURVEFIT.H -----------------------*/
/*
******************************************************************************
* *
* CURVEFIT.H *
* ========= *
* *
* This file contains the function prototype for CURVEFIT.C. *
******************************************************************************
*/
#ifndef CURVEFIT_H
#define CURVEFIT_H
/*- Function prototypes in CURVEFIT.C. -*/
EXTERNAL int svdfit(float x[], float y[], int ndata, double a[], int ma,
double **u, double **v, double w[], double *chisq,
void (*funcs)(double, double *, int));
EXTERNAL void svbksb(double **u, double w[], double **v, int m, int n,
double b[], double x[]);
EXTERNAL void svdvar(double **v, int ma, double w[], double **cvm);
EXTERNAL int svdcmp(double **a, int m, int n, double *w, double **v);
#endif
/*-------------------------- End of file CURVEFIT.H -----------------------*/
/*----------------------------- FILE polyfit.h ----------------------------*/
#ifndef POLYFIT_H
#define POLYFIT_H
EXTERNAL int OneDPolyFit(double *rms_err, double *coeffs_array, int fit_order,
int no_samples, double *f_array, double *x_array);
EXTERNAL double OneDPolyEval(double *coeff, int order, double x);
EXTERNAL int TwoDPolyFit(double *rms_err, double *coeffs_array, int fit_order,
int no_samples, double *f_array, double *x_array,
double *y_array);
EXTERNAL double TwoDPolyEval(double *coeff, int order, double x, double y);
EXTERNAL int TwoDPolyGradFit(double *rms_err, double *coeffs_array,
int fit_order, int no_samples,
double *gradxy_array, double *x_array,
double *y_array);
EXTERNAL void TwoDPolyGradEval(double *fgradx, double *fgrady, double *coeff,
int order, double x, double y);
EXTERNAL void GetPolyInX(double *xcoeffs, double *xycoeffs, int order,
double y);
EXTERNAL void GetPolyInY(double *ycoeffs, double *xycoeffs, int order,
double x);
EXTERNAL int ThreeDPolyFit(double *rms_err, double *coeffs_array, int fit_order,
int no_samples, double *f_array, double *x_array,
double *y_array, double *z_array);
EXTERNAL double ThreeDPolyEval(double *coeff, int order, double x, double y,
double z);
#endif /* POLYFIT_H */
/*---------------------- End of FILE polyfit.h ----------------------------*/
#endif /* ndef _GVGCPFIT_INCLUDED */
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