/* diff/gsl_diff.h

 * 

 * Copyright (C) 2000 David Morrison

 * 

 * 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_DIFF_H__

#define __GSL_DIFF_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

#ifndef GSL_DISABLE_DEPRECATED

int gsl_diff_central (const gsl_function *f,

                      double x,

                      double *result, double *abserr);

int gsl_diff_backward (const gsl_function *f,

                       double x,

                       double *result, double *abserr);

int gsl_diff_forward (const gsl_function *f,

                      double x,

                      double *result, double *abserr);

#endif

__END_DECLS

#endif /* __GSL_DIFF_H__ */