/usr/include/gsl/gsl_multifit_nlin.h is in libgsl0-dev 1.16+dfsg-1ubuntu1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | /* multifit_nlin/gsl_multifit_nlin.h
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 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_NLIN_H__
#define __GSL_MULTIFIT_NLIN_H__
#include <stdlib.h>
#include <gsl/gsl_types.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
int gsl_multifit_gradient (const gsl_matrix * J, const gsl_vector * f,
gsl_vector * g);
int gsl_multifit_covar (const gsl_matrix * J, double epsrel, gsl_matrix * covar);
/* Definition of vector-valued functions with parameters based on gsl_vector */
struct gsl_multifit_function_struct
{
int (* f) (const gsl_vector * x, void * params, gsl_vector * f);
size_t n; /* number of functions */
size_t p; /* number of independent variables */
void * params;
};
typedef struct gsl_multifit_function_struct gsl_multifit_function ;
#define GSL_MULTIFIT_FN_EVAL(F,x,y) (*((F)->f))(x,(F)->params,(y))
typedef struct
{
const char *name;
size_t size;
int (*alloc) (void *state, size_t n, size_t p);
int (*set) (void *state, gsl_multifit_function * function, gsl_vector * x, gsl_vector * f, gsl_vector * dx);
int (*iterate) (void *state, gsl_multifit_function * function, gsl_vector * x, gsl_vector * f, gsl_vector * dx);
void (*free) (void *state);
}
gsl_multifit_fsolver_type;
typedef struct
{
const gsl_multifit_fsolver_type * type;
gsl_multifit_function * function ;
gsl_vector * x ;
gsl_vector * f ;
gsl_vector * dx ;
void *state;
}
gsl_multifit_fsolver;
gsl_multifit_fsolver *
gsl_multifit_fsolver_alloc (const gsl_multifit_fsolver_type * T,
size_t n, size_t p);
void gsl_multifit_fsolver_free (gsl_multifit_fsolver * s);
int gsl_multifit_fsolver_set (gsl_multifit_fsolver * s,
gsl_multifit_function * f,
const gsl_vector * x);
int gsl_multifit_fsolver_iterate (gsl_multifit_fsolver * s);
int gsl_multifit_fsolver_driver (gsl_multifit_fsolver * s,
const size_t maxiter,
const double epsabs, const double epsrel);
const char * gsl_multifit_fsolver_name (const gsl_multifit_fsolver * s);
gsl_vector * gsl_multifit_fsolver_position (const gsl_multifit_fsolver * s);
/* Definition of vector-valued functions and gradient with parameters
based on gsl_vector */
struct gsl_multifit_function_fdf_struct
{
int (* f) (const gsl_vector * x, void * params, gsl_vector * f);
int (* df) (const gsl_vector * x, void * params, gsl_matrix * df);
int (* fdf) (const gsl_vector * x, void * params, gsl_vector * f, gsl_matrix *df);
size_t n; /* number of functions */
size_t p; /* number of independent variables */
void * params;
};
typedef struct gsl_multifit_function_fdf_struct gsl_multifit_function_fdf ;
#define GSL_MULTIFIT_FN_EVAL_F(F,x,y) ((*((F)->f))(x,(F)->params,(y)))
#define GSL_MULTIFIT_FN_EVAL_DF(F,x,dy) ((*((F)->df))(x,(F)->params,(dy)))
#define GSL_MULTIFIT_FN_EVAL_F_DF(F,x,y,dy) ((*((F)->fdf))(x,(F)->params,(y),(dy)))
typedef struct
{
const char *name;
size_t size;
int (*alloc) (void *state, size_t n, size_t p);
int (*set) (void *state, gsl_multifit_function_fdf * fdf, gsl_vector * x, gsl_vector * f, gsl_matrix * J, gsl_vector * dx);
int (*iterate) (void *state, gsl_multifit_function_fdf * fdf, gsl_vector * x, gsl_vector * f, gsl_matrix * J, gsl_vector * dx);
void (*free) (void *state);
}
gsl_multifit_fdfsolver_type;
typedef struct
{
const gsl_multifit_fdfsolver_type * type;
gsl_multifit_function_fdf * fdf ;
gsl_vector * x;
gsl_vector * f;
gsl_matrix * J;
gsl_vector * dx;
void *state;
}
gsl_multifit_fdfsolver;
gsl_multifit_fdfsolver *
gsl_multifit_fdfsolver_alloc (const gsl_multifit_fdfsolver_type * T,
size_t n, size_t p);
int
gsl_multifit_fdfsolver_set (gsl_multifit_fdfsolver * s,
gsl_multifit_function_fdf * fdf,
const gsl_vector * x);
int
gsl_multifit_fdfsolver_iterate (gsl_multifit_fdfsolver * s);
int
gsl_multifit_fdfsolver_driver (gsl_multifit_fdfsolver * s,
const size_t maxiter,
const double epsabs, const double epsrel);
void
gsl_multifit_fdfsolver_free (gsl_multifit_fdfsolver * s);
const char * gsl_multifit_fdfsolver_name (const gsl_multifit_fdfsolver * s);
gsl_vector * gsl_multifit_fdfsolver_position (const gsl_multifit_fdfsolver * s);
int gsl_multifit_test_delta (const gsl_vector * dx, const gsl_vector * x,
double epsabs, double epsrel);
int gsl_multifit_test_gradient (const gsl_vector * g, double epsabs);
int gsl_multifit_fdfsolver_dif_df(const gsl_vector *x, gsl_multifit_function_fdf *fdf,
const gsl_vector *f, gsl_matrix *J);
int gsl_multifit_fdfsolver_dif_fdf(const gsl_vector *x, gsl_multifit_function_fdf *fdf,
gsl_vector *f, gsl_matrix *J);
/* extern const gsl_multifit_fsolver_type * gsl_multifit_fsolver_gradient; */
GSL_VAR const gsl_multifit_fdfsolver_type * gsl_multifit_fdfsolver_lmder;
GSL_VAR const gsl_multifit_fdfsolver_type * gsl_multifit_fdfsolver_lmsder;
__END_DECLS
#endif /* __GSL_MULTIFIT_NLIN_H__ */
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