/usr/include/gsl/gsl_min.h is in libgsl-dev 2.1+dfsg-2.
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 | /* min/gsl_min.h
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007, 2009 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_MIN_H__
#define __GSL_MIN_H__
#include <stdlib.h>
#include <gsl/gsl_types.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
typedef struct
{
const char *name;
size_t size;
int (*set) (void *state, gsl_function * f, double x_minimum, double f_minimum, double x_lower, double f_lower, double x_upper, double f_upper);
int (*iterate) (void *state, gsl_function * f, double * x_minimum, double * f_minimum, double * x_lower, double * f_lower, double * x_upper, double * f_upper);
}
gsl_min_fminimizer_type;
typedef struct
{
const gsl_min_fminimizer_type * type;
gsl_function * function ;
double x_minimum ;
double x_lower ;
double x_upper ;
double f_minimum, f_lower, f_upper;
void *state;
}
gsl_min_fminimizer;
gsl_min_fminimizer *
gsl_min_fminimizer_alloc (const gsl_min_fminimizer_type * T) ;
void gsl_min_fminimizer_free (gsl_min_fminimizer * s);
int gsl_min_fminimizer_set (gsl_min_fminimizer * s,
gsl_function * f, double x_minimum,
double x_lower, double x_upper);
int gsl_min_fminimizer_set_with_values (gsl_min_fminimizer * s,
gsl_function * f,
double x_minimum, double f_minimum,
double x_lower, double f_lower,
double x_upper, double f_upper);
int gsl_min_fminimizer_iterate (gsl_min_fminimizer * s);
const char * gsl_min_fminimizer_name (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_x_minimum (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_x_lower (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_x_upper (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_f_minimum (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_f_lower (const gsl_min_fminimizer * s);
double gsl_min_fminimizer_f_upper (const gsl_min_fminimizer * s);
/* Deprecated, use x_minimum instead */
double gsl_min_fminimizer_minimum (const gsl_min_fminimizer * s);
int
gsl_min_test_interval (double x_lower, double x_upper, double epsabs, double epsrel);
GSL_VAR const gsl_min_fminimizer_type * gsl_min_fminimizer_goldensection;
GSL_VAR const gsl_min_fminimizer_type * gsl_min_fminimizer_brent;
GSL_VAR const gsl_min_fminimizer_type * gsl_min_fminimizer_quad_golden;
typedef
int (*gsl_min_bracketing_function)(gsl_function *f,
double *x_minimum,double * f_minimum,
double *x_lower, double * f_lower,
double *x_upper, double * f_upper,
size_t eval_max);
int
gsl_min_find_bracket(gsl_function *f,double *x_minimum,double * f_minimum,
double *x_lower, double * f_lower,
double *x_upper, double * f_upper,
size_t eval_max);
__END_DECLS
#endif /* __GSL_MIN_H__ */
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