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