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- /* wavelet/gsl_wavelet.h
- *
- * Copyright (C) 2004 Ivo Alxneit
- *
- * 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_WAVELET_H__
- #define __GSL_WAVELET_H__
- #include <stdlib.h>
- #include "gsl_types.h"
- #include "gsl_errno.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
- typedef enum {
- forward = 1, backward = -1,
- gsl_wavelet_forward = 1, gsl_wavelet_backward = -1
- }
- gsl_wavelet_direction;
- #else
- typedef enum {
- gsl_wavelet_forward = 1, gsl_wavelet_backward = -1
- }
- gsl_wavelet_direction;
- #endif
- typedef struct
- {
- const char *name;
- int (*init) (const double **h1, const double **g1,
- const double **h2, const double **g2, size_t * nc,
- size_t * offset, size_t member);
- }
- gsl_wavelet_type;
- typedef struct
- {
- const gsl_wavelet_type *type;
- const double *h1;
- const double *g1;
- const double *h2;
- const double *g2;
- size_t nc;
- size_t offset;
- }
- gsl_wavelet;
- typedef struct
- {
- double *scratch;
- size_t n;
- }
- gsl_wavelet_workspace;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_daubechies;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_daubechies_centered;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_haar;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_haar_centered;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_bspline;
- GSL_VAR const gsl_wavelet_type *gsl_wavelet_bspline_centered;
- gsl_wavelet *gsl_wavelet_alloc (const gsl_wavelet_type * T, size_t k);
- void gsl_wavelet_free (gsl_wavelet * w);
- const char *gsl_wavelet_name (const gsl_wavelet * w);
- gsl_wavelet_workspace *gsl_wavelet_workspace_alloc (size_t n);
- void gsl_wavelet_workspace_free (gsl_wavelet_workspace * work);
- int gsl_wavelet_transform (const gsl_wavelet * w,
- double *data, size_t stride, size_t n,
- gsl_wavelet_direction dir,
- gsl_wavelet_workspace * work);
- int gsl_wavelet_transform_forward (const gsl_wavelet * w,
- double *data, size_t stride, size_t n,
- gsl_wavelet_workspace * work);
- int gsl_wavelet_transform_inverse (const gsl_wavelet * w,
- double *data, size_t stride, size_t n,
- gsl_wavelet_workspace * work);
- __END_DECLS
- #endif /* __GSL_WAVELET_H__ */
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