| /* interpolation/gsl_spline.h |
| * |
| * Copyright (C) 2001 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_SPLINE_H__ |
| #define __GSL_SPLINE_H__ |
| #include <stdlib.h> |
| #include <gsl/gsl_interp.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 |
| |
| |
| /* general interpolation object */ |
| typedef struct { |
| gsl_interp * interp; |
| double * x; |
| double * y; |
| size_t size; |
| } gsl_spline; |
| |
| gsl_spline * |
| gsl_spline_alloc(const gsl_interp_type * T, size_t size); |
| |
| int |
| gsl_spline_init(gsl_spline * spline, const double xa[], const double ya[], size_t size); |
| |
| const char * gsl_spline_name(const gsl_spline * spline); |
| unsigned int gsl_spline_min_size(const gsl_spline * spline); |
| |
| |
| int |
| gsl_spline_eval_e(const gsl_spline * spline, double x, |
| gsl_interp_accel * a, double * y); |
| |
| double |
| gsl_spline_eval(const gsl_spline * spline, double x, gsl_interp_accel * a); |
| |
| int |
| gsl_spline_eval_deriv_e(const gsl_spline * spline, |
| double x, |
| gsl_interp_accel * a, |
| double * y); |
| |
| double |
| gsl_spline_eval_deriv(const gsl_spline * spline, |
| double x, |
| gsl_interp_accel * a); |
| |
| int |
| gsl_spline_eval_deriv2_e(const gsl_spline * spline, |
| double x, |
| gsl_interp_accel * a, |
| double * y); |
| |
| double |
| gsl_spline_eval_deriv2(const gsl_spline * spline, |
| double x, |
| gsl_interp_accel * a); |
| |
| int |
| gsl_spline_eval_integ_e(const gsl_spline * spline, |
| double a, double b, |
| gsl_interp_accel * acc, |
| double * y); |
| |
| double |
| gsl_spline_eval_integ(const gsl_spline * spline, |
| double a, double b, |
| gsl_interp_accel * acc); |
| |
| void |
| gsl_spline_free(gsl_spline * spline); |
| |
| __END_DECLS |
| |
| #endif /* __GSL_INTERP_H__ */ |