| /* min/gsl_min.h |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 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_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; |
| |
| 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__ */ |