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- /* interpolation/gsl_spline.h
- *
- * Copyright (C) 2001, 2007 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 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_SPLINE_H__
- #define __GSL_SPLINE_H__
- #include <stdlib.h>
- #include "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__ */
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