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Diffstat (limited to 'src/sndobj/rfftw/rfftw.h')
| -rw-r--r-- | src/sndobj/rfftw/rfftw.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/rfftw.h b/src/sndobj/rfftw/rfftw.h new file mode 100644 index 0000000..5af4b87 --- /dev/null +++ b/src/sndobj/rfftw/rfftw.h @@ -0,0 +1,99 @@ +/* + * Copyright (c) 1997-1999 Massachusetts Institute of Technology + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* rfftw.h -- system-wide definitions for rfftw */ +#ifndef RFFTW_H +#define RFFTW_H + +#include <rfftw/fftw.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/****************************************************************************/ + +#define RFFTW_V2 + +typedef fftw_plan rfftw_plan; +typedef fftwnd_plan rfftwnd_plan; + +#define FFTW_REAL_TO_COMPLEX FFTW_FORWARD +#define FFTW_COMPLEX_TO_REAL FFTW_BACKWARD + +extern void rfftw(rfftw_plan plan, int howmany, fftw_real *in, int istride, + int idist, fftw_real *out, int ostride, int odist); +extern void rfftw_one(rfftw_plan plan, fftw_real *in, fftw_real *out); + +extern rfftw_plan rfftw_create_plan_specific(int n, fftw_direction dir, + int flags, + fftw_real *in, int istride, + fftw_real *out, int ostride); + +extern rfftw_plan rfftw_create_plan(int n, fftw_direction dir, int flags); +extern void rfftw_destroy_plan(rfftw_plan plan); + +extern void rfftw_fprint_plan(FILE *f, rfftw_plan p); +extern void rfftw_print_plan(rfftw_plan p); + +extern void rfftw_executor_simple(int n, fftw_real *in, + fftw_real *out, + fftw_plan_node *p, + int istride, + int ostride, + fftw_recurse_kind recurse_kind); + +extern rfftwnd_plan rfftwnd_create_plan_specific(int rank, const int *n, + fftw_direction dir, int flags, + fftw_real *in, int istride, + fftw_real *out, int ostride); +extern rfftwnd_plan rfftw2d_create_plan_specific(int nx, int ny, + fftw_direction dir, int flags, + fftw_real *in, int istride, + fftw_real *out, int ostride); +extern rfftwnd_plan rfftw3d_create_plan_specific(int nx, int ny, int nz, + fftw_direction dir, int flags, + fftw_real *in, int istride, + fftw_real *out, int ostride); +extern rfftwnd_plan rfftwnd_create_plan(int rank, const int *n, + fftw_direction dir, int flags); +extern rfftwnd_plan rfftw2d_create_plan(int nx, int ny, + fftw_direction dir, int flags); +extern rfftwnd_plan rfftw3d_create_plan(int nx, int ny, int nz, + fftw_direction dir, int flags); +extern void rfftwnd_destroy_plan(rfftwnd_plan plan); +extern void rfftwnd_fprint_plan(FILE *f, rfftwnd_plan plan); +extern void rfftwnd_print_plan(rfftwnd_plan plan); +extern void rfftwnd_real_to_complex(rfftwnd_plan p, int howmany, + fftw_real *in, int istride, int idist, + fftw_complex *out, int ostride, int odist); +extern void rfftwnd_complex_to_real(rfftwnd_plan p, int howmany, + fftw_complex *in, int istride, int idist, + fftw_real *out, int ostride, int odist); +extern void rfftwnd_one_real_to_complex(rfftwnd_plan p, + fftw_real *in, fftw_complex *out); +extern void rfftwnd_one_complex_to_real(rfftwnd_plan p, + fftw_complex *in, fftw_real *out); + +/****************************************************************************/ + +#ifdef __cplusplus +} /* extern "C" */ +#endif /* __cplusplus */ +#endif /* RFFTW_H */ |