/* multimin/test_funcs.h *  * Copyright (C) 1996, 1997, 1998, 1999, 2000 Fabrice Rossi *  * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */typedef void (*initpt_function) (gsl_vector * x);extern gsl_multimin_function_fdf rosenbrock;extern gsl_multimin_function rosenbrock_fmin;void rosenbrock_initpt (gsl_vector * x);double rosenbrock_f (const gsl_vector * x, void *params);void rosenbrock_df (const gsl_vector * x, void *params, gsl_vector * df);void rosenbrock_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);extern gsl_multimin_function_fdf wood;extern gsl_multimin_function wood_fmin;void wood_initpt (gsl_vector * x);double wood_f (const gsl_vector * x, void *params);void wood_df (const gsl_vector * x, void *params, gsl_vector * df);void wood_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);extern gsl_multimin_function_fdf roth;extern gsl_multimin_function roth_fmin;void roth_initpt (gsl_vector * x);double roth_f (const gsl_vector * x, void *params);void roth_df (const gsl_vector * x, void *params, gsl_vector * df);void roth_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);extern gsl_multimin_function_fdf Nrosenbrock;void Nrosenbrock_df (const gsl_vector * x, void *params, gsl_vector * df);void Nrosenbrock_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);extern gsl_multimin_function_fdf Nroth;void Nroth_df (const gsl_vector * x, void *params, gsl_vector * df);void Nroth_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);extern gsl_multimin_function_fdf Nwood;void Nwood_df (const gsl_vector * x, void *params, gsl_vector * df);void Nwood_fdf (const gsl_vector * x, void *params, double * f, gsl_vector * df);