/usr/include/gsl/gsl_multifit.h is in libgsl0-dev 1.15+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* multifit/gsl_multifit.h
*
* Copyright (C) 2000, 2007, 2010 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 3 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_MULTIFIT_H__
#define __GSL_MULTIFIT_H__
#include <stdlib.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.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
typedef struct
{
size_t n; /* number of observations */
size_t p; /* number of parameters */
gsl_matrix * A;
gsl_matrix * Q;
gsl_matrix * QSI;
gsl_vector * S;
gsl_vector * t;
gsl_vector * xt;
gsl_vector * D;
}
gsl_multifit_linear_workspace;
gsl_multifit_linear_workspace *
gsl_multifit_linear_alloc (size_t n, size_t p);
void
gsl_multifit_linear_free (gsl_multifit_linear_workspace * work);
int
gsl_multifit_linear (const gsl_matrix * X,
const gsl_vector * y,
gsl_vector * c,
gsl_matrix * cov,
double * chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_linear_svd (const gsl_matrix * X,
const gsl_vector * y,
double tol,
size_t * rank,
gsl_vector * c,
gsl_matrix * cov,
double *chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_linear_usvd (const gsl_matrix * X,
const gsl_vector * y,
double tol,
size_t * rank,
gsl_vector * c,
gsl_matrix * cov,
double *chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_wlinear (const gsl_matrix * X,
const gsl_vector * w,
const gsl_vector * y,
gsl_vector * c,
gsl_matrix * cov,
double * chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_wlinear_svd (const gsl_matrix * X,
const gsl_vector * w,
const gsl_vector * y,
double tol,
size_t * rank,
gsl_vector * c,
gsl_matrix * cov,
double *chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_wlinear_usvd (const gsl_matrix * X,
const gsl_vector * w,
const gsl_vector * y,
double tol,
size_t * rank,
gsl_vector * c,
gsl_matrix * cov,
double *chisq,
gsl_multifit_linear_workspace * work);
int
gsl_multifit_linear_est (const gsl_vector * x,
const gsl_vector * c,
const gsl_matrix * cov, double *y, double *y_err);
int
gsl_multifit_linear_residuals (const gsl_matrix *X, const gsl_vector *y,
const gsl_vector *c, gsl_vector *r);
__END_DECLS
#endif /* __GSL_MULTIFIT_H__ */
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