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/* fit/gsl_fit.h
*
* Copyright (C) 2000 Brian Gough
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __GSL_FIT_H__
#define __GSL_FIT_H__
#include <stdlib.h>
#include <gsl/gsl_math.h>
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
__BEGIN_DECLS
int gsl_fit_linear (const double * x, const size_t xstride,
const double * y, const size_t ystride,
const size_t n,
double * c0, double * c1,
double * cov00, double * cov01, double * cov11,
double * sumsq);
int gsl_fit_wlinear (const double * x, const size_t xstride,
const double * w, const size_t wstride,
const double * y, const size_t ystride,
const size_t n,
double * c0, double * c1,
double * cov00, double * cov01, double * cov11,
double * chisq);
int
gsl_fit_linear_est (const double x,
const double c0, const double c1,
const double c00, const double c01, const double c11,
double *y, double *y_err);
int gsl_fit_mul (const double * x, const size_t xstride,
const double * y, const size_t ystride,
const size_t n,
double * c1,
double * cov11,
double * sumsq);
int gsl_fit_wmul (const double * x, const size_t xstride,
const double * w, const size_t wstride,
const double * y, const size_t ystride,
const size_t n,
double * c1,
double * cov11,
double * sumsq);
int
gsl_fit_mul_est (const double x,
const double c1,
const double c11,
double *y, double *y_err);
__END_DECLS
#endif /* __GSL_FIT_H__ */
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