diff options
Diffstat (limited to 'thirdparty/includes/GSL/gsl/gsl_spline2d.h')
| -rw-r--r-- | thirdparty/includes/GSL/gsl/gsl_spline2d.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/thirdparty/includes/GSL/gsl/gsl_spline2d.h b/thirdparty/includes/GSL/gsl/gsl_spline2d.h new file mode 100644 index 0000000..a304800 --- /dev/null +++ b/thirdparty/includes/GSL/gsl/gsl_spline2d.h @@ -0,0 +1,113 @@ +/* interpolation/gsl_spline2d.h + * + * Copyright 2012 David Zaslavsky + * + * 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_SPLINE2D_H__ +#define __GSL_SPLINE2D_H__ + +#include <gsl/gsl_interp.h> +#include <gsl/gsl_interp2d.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 + + +/* + * A 2D interpolation object which stores the arrays defining the function. + * In all other respects, this is just like a gsl_interp2d object. + */ +typedef struct +{ + gsl_interp2d interp_object; /* low-level interpolation object */ + double * xarr; /* x data array */ + double * yarr; /* y data array */ + double * zarr; /* z data array */ +} gsl_spline2d; + +gsl_spline2d * gsl_spline2d_alloc(const gsl_interp2d_type * T, size_t xsize, size_t ysize); + +int gsl_spline2d_init(gsl_spline2d * interp, const double xa[], + const double ya[], const double za[], + size_t xsize, size_t ysize); + +void gsl_spline2d_free(gsl_spline2d * interp); + +double gsl_spline2d_eval(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya); + +int gsl_spline2d_eval_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya, + double * z); + +double gsl_spline2d_eval_deriv_x(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya); + +int gsl_spline2d_eval_deriv_x_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya, double * z); + +double gsl_spline2d_eval_deriv_y(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya); + +int gsl_spline2d_eval_deriv_y_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya, double * z); + +double gsl_spline2d_eval_deriv_xx(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya); + +int gsl_spline2d_eval_deriv_xx_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya, double * z); + +double gsl_spline2d_eval_deriv_yy(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya); + +int gsl_spline2d_eval_deriv_yy_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya, double * z); + +double gsl_spline2d_eval_deriv_xy(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, gsl_interp_accel* ya); + +int gsl_spline2d_eval_deriv_xy_e(const gsl_spline2d * interp, const double x, + const double y, gsl_interp_accel* xa, + gsl_interp_accel* ya, double * z); + +size_t gsl_spline2d_min_size(const gsl_spline2d * interp); + +const char * gsl_spline2d_name(const gsl_spline2d * interp); + +int gsl_spline2d_set(const gsl_spline2d * interp, double zarr[], + const size_t i, const size_t j, const double z); +double gsl_spline2d_get(const gsl_spline2d * interp, const double zarr[], + const size_t i, const size_t j); + +__END_DECLS + +#endif /* __GSL_SPLINE2D_H__ */ |