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| Rev | Author | Line No. | Line |
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| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | */ |
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| 19 | |||
| 20 | /* rfftw.h -- system-wide definitions for rfftw */ |
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| 21 | #ifndef RFFTW_H |
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| 22 | #define RFFTW_H |
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| 23 | |||
| 24 | #include <ports/fftw.h> |
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| 25 | |||
| 26 | #ifdef __cplusplus |
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| 27 | extern "C" { |
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| 28 | #endif /* __cplusplus */ |
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| 29 | |||
| 30 | /****************************************************************************/ |
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| 31 | |||
| 32 | #define RFFTW_V2 |
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| 33 | |||
| 34 | typedef fftw_plan rfftw_plan; |
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| 35 | typedef fftwnd_plan rfftwnd_plan; |
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| 36 | |||
| 37 | #define FFTW_REAL_TO_COMPLEX FFTW_FORWARD |
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| 38 | #define FFTW_COMPLEX_TO_REAL FFTW_BACKWARD |
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| 39 | |||
| 40 | extern void rfftw(rfftw_plan plan, int howmany, fftw_real *in, int istride, |
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| 41 | int idist, fftw_real *out, int ostride, int odist); |
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| 42 | extern void rfftw_one(rfftw_plan plan, fftw_real *in, fftw_real *out); |
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| 43 | |||
| 44 | extern rfftw_plan rfftw_create_plan_specific(int n, fftw_direction dir, |
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| 45 | int flags, |
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| 46 | fftw_real *in, int istride, |
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| 47 | fftw_real *out, int ostride); |
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| 48 | |||
| 49 | extern rfftw_plan rfftw_create_plan(int n, fftw_direction dir, int flags); |
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| 50 | extern void rfftw_destroy_plan(rfftw_plan plan); |
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| 51 | |||
| 52 | //extern void rfftw_fprint_plan(FILE *f, rfftw_plan p); |
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| 53 | //extern void rfftw_print_plan(rfftw_plan p); |
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| 54 | |||
| 55 | extern void rfftw_executor_simple(int n, fftw_real *in, |
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| 56 | fftw_real *out, |
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| 57 | fftw_plan_node *p, |
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| 58 | int istride, |
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| 59 | int ostride); |
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| 60 | |||
| 61 | extern rfftwnd_plan rfftwnd_create_plan_specific(int rank, const int *n, |
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| 62 | fftw_direction dir, int flags, |
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| 63 | fftw_real *in, int istride, |
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| 64 | fftw_real *out, int ostride); |
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| 65 | extern rfftwnd_plan rfftw2d_create_plan_specific(int nx, int ny, |
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| 66 | fftw_direction dir, int flags, |
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| 67 | fftw_real *in, int istride, |
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| 68 | fftw_real *out, int ostride); |
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| 69 | extern rfftwnd_plan rfftw3d_create_plan_specific(int nx, int ny, int nz, |
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| 70 | fftw_direction dir, int flags, |
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| 71 | fftw_real *in, int istride, |
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| 72 | fftw_real *out, int ostride); |
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| 73 | extern rfftwnd_plan rfftwnd_create_plan(int rank, const int *n, |
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| 74 | fftw_direction dir, int flags); |
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| 75 | extern rfftwnd_plan rfftw2d_create_plan(int nx, int ny, |
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| 76 | fftw_direction dir, int flags); |
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| 77 | extern rfftwnd_plan rfftw3d_create_plan(int nx, int ny, int nz, |
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| 78 | fftw_direction dir, int flags); |
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| 79 | extern void rfftwnd_destroy_plan(rfftwnd_plan plan); |
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| 80 | //extern void rfftwnd_fprint_plan(FILE *f, rfftwnd_plan plan); |
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| 81 | extern void rfftwnd_print_plan(rfftwnd_plan plan); |
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| 82 | extern void rfftwnd_real_to_complex(rfftwnd_plan p, int howmany, |
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| 83 | fftw_real *in, int istride, int idist, |
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| 84 | fftw_complex *out, int ostride, int odist); |
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| 85 | extern void rfftwnd_complex_to_real(rfftwnd_plan p, int howmany, |
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| 86 | fftw_complex *in, int istride, int idist, |
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| 87 | fftw_real *out, int ostride, int odist); |
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| 88 | extern void rfftwnd_one_real_to_complex(rfftwnd_plan p, |
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| 89 | fftw_real *in, fftw_complex *out); |
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| 90 | extern void rfftwnd_one_complex_to_real(rfftwnd_plan p, |
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| 91 | fftw_complex *in, fftw_real *out); |
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| 92 | |||
| 93 | /****************************************************************************/ |
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| 94 | |||
| 95 | #ifdef __cplusplus |
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| 96 | } /* extern "C" */ |
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| 97 | #endif /* __cplusplus */ |
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| 98 | #endif /* RFFTW_H */ |