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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 | #include <ports/rfftw.h> |
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| 21 | #include <ports/f77_func.h> |
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| 22 | |||
| 23 | #ifdef F77_FUNC_ /* only compile wrappers if fortran mangling is known */ |
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| 24 | |||
| 25 | /* rfftwf77.c: FORTRAN-callable "wrappers" for some of the RFFTW routines. |
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| 26 | |||
| 27 | See also fftwf77.c. */ |
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| 28 | |||
| 29 | #ifdef __cplusplus |
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| 30 | extern "C" { |
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| 31 | #endif /* __cplusplus */ |
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| 32 | |||
| 33 | /************************************************************************/ |
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| 34 | |||
| 35 | void F77_FUNC_(rfftw_f77_create_plan,RFFTW_F77_CREATE_PLAN) |
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| 36 | (fftw_plan *p, int *n, int *idir, int *flags) |
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| 37 | { |
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| 38 | fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD; |
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| 39 | |||
| 40 | *p = rfftw_create_plan(*n,dir,*flags); |
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| 41 | } |
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| 42 | |||
| 43 | void F77_FUNC_(rfftw_f77_destroy_plan,RFFTW_F77_DESTROY_PLAN) |
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| 44 | (fftw_plan *p) |
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| 45 | { |
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| 46 | rfftw_destroy_plan(*p); |
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| 47 | } |
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| 48 | |||
| 49 | void F77_FUNC_(rfftw_f77,RFFTW_F77) |
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| 50 | (fftw_plan *p, int *howmany, fftw_real *in, int *istride, int *idist, |
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| 51 | fftw_real *out, int *ostride, int *odist) |
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| 52 | { |
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| 53 | rfftw(*p,*howmany,in,*istride,*idist,out,*ostride,*odist); |
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| 54 | } |
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| 55 | |||
| 56 | void F77_FUNC_(rfftw_f77_one,RFFTW_F77_ONE) |
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| 57 | (fftw_plan *p, fftw_real *in, fftw_real *out) |
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| 58 | { |
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| 59 | rfftw_one(*p,in,out); |
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| 60 | } |
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| 61 | |||
| 62 | extern void fftw_reverse_int_array(int *a, int n); |
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| 63 | |||
| 64 | void F77_FUNC_(rfftwnd_f77_create_plan,RFFTWND_F77_CREATE_PLAN) |
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| 65 | (fftwnd_plan *p, int *rank, int *n, int *idir, int *flags) |
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| 66 | { |
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| 67 | fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD; |
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| 68 | |||
| 69 | fftw_reverse_int_array(n,*rank); /* column-major -> row-major */ |
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| 70 | *p = rfftwnd_create_plan(*rank,n,dir,*flags); |
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| 71 | fftw_reverse_int_array(n,*rank); /* reverse back */ |
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| 72 | } |
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| 73 | |||
| 74 | void F77_FUNC_(rfftw2d_f77_create_plan,RFFTW2D_F77_CREATE_PLAN) |
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| 75 | (fftwnd_plan *p, int *nx, int *ny, int *idir, int *flags) |
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| 76 | { |
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| 77 | fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD; |
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| 78 | |||
| 79 | *p = rfftw2d_create_plan(*ny,*nx,dir,*flags); |
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| 80 | } |
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| 81 | |||
| 82 | void F77_FUNC_(rfftw3d_f77_create_plan,RFFTW3D_F77_CREATE_PLAN) |
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| 83 | (fftwnd_plan *p, int *nx, int *ny, int *nz, int *idir, int *flags) |
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| 84 | { |
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| 85 | fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD; |
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| 86 | |||
| 87 | *p = rfftw3d_create_plan(*nz,*ny,*nx,dir,*flags); |
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| 88 | } |
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| 89 | |||
| 90 | void F77_FUNC_(rfftwnd_f77_destroy_plan,RFFTWND_F77_DESTROY_PLAN) |
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| 91 | (fftwnd_plan *p) |
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| 92 | { |
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| 93 | rfftwnd_destroy_plan(*p); |
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| 94 | } |
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| 95 | |||
| 96 | void F77_FUNC_(rfftwnd_f77_real_to_complex,RFFTWND_F77_REAL_TO_COMPLEX) |
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| 97 | (fftwnd_plan *p, int *howmany, fftw_real *in, int *istride, int *idist, |
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| 98 | fftw_complex *out, int *ostride, int *odist) |
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| 99 | { |
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| 100 | rfftwnd_real_to_complex(*p,*howmany,in,*istride,*idist, |
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| 101 | out,*ostride,*odist); |
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| 102 | } |
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| 103 | |||
| 104 | void F77_FUNC_(rfftwnd_f77_one_real_to_complex,RFFTWND_F77_ONE_REAL_TO_COMPLEX) |
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| 105 | (fftwnd_plan *p, fftw_real *in, fftw_complex *out) |
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| 106 | { |
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| 107 | rfftwnd_one_real_to_complex(*p,in,out); |
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| 108 | } |
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| 109 | |||
| 110 | void F77_FUNC_(rfftwnd_f77_complex_to_real,RFFTWND_F77_COMPLEX_TO_REAL) |
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| 111 | (fftwnd_plan *p, int *howmany, fftw_complex *in, int *istride, int *idist, |
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| 112 | fftw_real *out, int *ostride, int *odist) |
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| 113 | { |
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| 114 | rfftwnd_complex_to_real(*p,*howmany,in,*istride,*idist, |
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| 115 | out,*ostride,*odist); |
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| 116 | } |
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| 117 | |||
| 118 | void F77_FUNC_(rfftwnd_f77_one_complex_to_real,RFFTWND_F77_ONE_COMPLEX_TO_REAL) |
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| 119 | (fftwnd_plan *p, fftw_complex *in, fftw_real *out) |
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| 120 | { |
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| 121 | rfftwnd_one_complex_to_real(*p,in,out); |
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| 122 | } |
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| 123 | |||
| 124 | /****************************************************************************/ |
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| 125 | |||
| 126 | #ifdef __cplusplus |
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| 127 | } /* extern "C" */ |
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| 128 | #endif /* __cplusplus */ |
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| 129 | |||
| 130 | #endif /* defined(F77_FUNC_) */ |