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/* fit/gsl_fit.h
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*
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* Copyright (C) 2000, 2007 Brian Gough
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __GSL_FIT_H__
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#define __GSL_FIT_H__
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#include <stdlib.h>
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#include <gsl/gsl_math.h>
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#undef __BEGIN_DECLS
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#undef __END_DECLS
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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#else
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# define __BEGIN_DECLS /* empty */
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# define __END_DECLS /* empty */
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#endif
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__BEGIN_DECLS
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int gsl_fit_linear (const double * x, const size_t xstride,
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const double * y, const size_t ystride,
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const size_t n,
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double * c0, double * c1,
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double * cov00, double * cov01, double * cov11,
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double * sumsq);
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int gsl_fit_wlinear (const double * x, const size_t xstride,
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const double * w, const size_t wstride,
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const double * y, const size_t ystride,
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const size_t n,
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double * c0, double * c1,
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double * cov00, double * cov01, double * cov11,
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double * chisq);
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int
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gsl_fit_linear_est (const double x,
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const double c0, const double c1,
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const double cov00, const double cov01, const double cov11,
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double *y, double *y_err);
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int gsl_fit_mul (const double * x, const size_t xstride,
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const double * y, const size_t ystride,
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const size_t n,
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double * c1,
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double * cov11,
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double * sumsq);
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int gsl_fit_wmul (const double * x, const size_t xstride,
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const double * w, const size_t wstride,
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const double * y, const size_t ystride,
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const size_t n,
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double * c1,
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double * cov11,
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double * sumsq);
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int
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gsl_fit_mul_est (const double x,
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const double c1,
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const double cov11,
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double *y, double *y_err);
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__END_DECLS
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#endif /* __GSL_FIT_H__ */
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