include/gsl/gsl_deriv.h

0001 /* deriv/gsl_deriv.h
0002  *
0003  * Copyright (C) 2000 David Morrison
0004  *
0005  * This program is free software; you can redistribute it and/or modify
0006  * it under the terms of the GNU General Public License as published by
0007  * the Free Software Foundation; either version 3 of the License, or (at
0008  * your option) any later version.
0009  *
0010  * This program is distributed in the hope that it will be useful, but
0011  * WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0013  * General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU General Public License
0016  * along with this program; if not, write to the Free Software
0017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
0018  */
0019
0020 #ifndef __GSL_DERIV_H__
0021 #define __GSL_DERIV_H__
0022 #include <gsl/gsl_math.h>
0023
0024 #undef __BEGIN_DECLS
0025 #undef __END_DECLS
0026 #ifdef __cplusplus
0027 # define __BEGIN_DECLS extern "C" {
0028 # define __END_DECLS }
0029 #else
0030 # define __BEGIN_DECLS /* empty */
0031 # define __END_DECLS /* empty */
0032 #endif
0033
0034 __BEGIN_DECLS
0035
0036 int gsl_deriv_central (const gsl_function *f,
0037                        double x, double h,
0038                        double *result, double *abserr);
0039
0040 int gsl_deriv_backward (const gsl_function *f,
0041                         double x, double h,
0042                         double *result, double *abserr);
0043
0044 int gsl_deriv_forward (const gsl_function *f,
0045                        double x, double h,
0046                        double *result, double *abserr);
0047
0048 __END_DECLS
0049
0050 #endif /* __GSL_DERIV_H__ */