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/*
* 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
*
*/
#include <rfftw.h>
#include <f77_func.h>
#ifdef F77_FUNC_ /* only compile wrappers if fortran mangling is known */
/* rfftwf77.c: FORTRAN-callable "wrappers" for some of the RFFTW routines.
See also fftwf77.c. */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/************************************************************************/
void F77_FUNC_(rfftw_f77_create_plan,RFFTW_F77_CREATE_PLAN)
(fftw_plan *p, int *n, int *idir, int *flags)
{
fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD;
*p = rfftw_create_plan(*n,dir,*flags);
}
void F77_FUNC_(rfftw_f77_destroy_plan,RFFTW_F77_DESTROY_PLAN)
(fftw_plan *p)
{
rfftw_destroy_plan(*p);
}
void F77_FUNC_(rfftw_f77,RFFTW_F77)
(fftw_plan *p, int *howmany, fftw_real *in, int *istride, int *idist,
fftw_real *out, int *ostride, int *odist)
{
rfftw(*p,*howmany,in,*istride,*idist,out,*ostride,*odist);
}
void F77_FUNC_(rfftw_f77_one,RFFTW_F77_ONE)
(fftw_plan *p, fftw_real *in, fftw_real *out)
{
rfftw_one(*p,in,out);
}
extern void fftw_reverse_int_array(int *a, int n);
void F77_FUNC_(rfftwnd_f77_create_plan,RFFTWND_F77_CREATE_PLAN)
(fftwnd_plan *p, int *rank, int *n, int *idir, int *flags)
{
fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD;
fftw_reverse_int_array(n,*rank); /* column-major -> row-major */
*p = rfftwnd_create_plan(*rank,n,dir,*flags);
fftw_reverse_int_array(n,*rank); /* reverse back */
}
void F77_FUNC_(rfftw2d_f77_create_plan,RFFTW2D_F77_CREATE_PLAN)
(fftwnd_plan *p, int *nx, int *ny, int *idir, int *flags)
{
fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD;
*p = rfftw2d_create_plan(*ny,*nx,dir,*flags);
}
void F77_FUNC_(rfftw3d_f77_create_plan,RFFTW3D_F77_CREATE_PLAN)
(fftwnd_plan *p, int *nx, int *ny, int *nz, int *idir, int *flags)
{
fftw_direction dir = *idir < 0 ? FFTW_FORWARD : FFTW_BACKWARD;
*p = rfftw3d_create_plan(*nz,*ny,*nx,dir,*flags);
}
void F77_FUNC_(rfftwnd_f77_destroy_plan,RFFTWND_F77_DESTROY_PLAN)
(fftwnd_plan *p)
{
rfftwnd_destroy_plan(*p);
}
void F77_FUNC_(rfftwnd_f77_real_to_complex,RFFTWND_F77_REAL_TO_COMPLEX)
(fftwnd_plan *p, int *howmany, fftw_real *in, int *istride, int *idist,
fftw_complex *out, int *ostride, int *odist)
{
rfftwnd_real_to_complex(*p,*howmany,in,*istride,*idist,
out,*ostride,*odist);
}
void F77_FUNC_(rfftwnd_f77_one_real_to_complex,RFFTWND_F77_ONE_REAL_TO_COMPLEX)
(fftwnd_plan *p, fftw_real *in, fftw_complex *out)
{
rfftwnd_one_real_to_complex(*p,in,out);
}
void F77_FUNC_(rfftwnd_f77_complex_to_real,RFFTWND_F77_COMPLEX_TO_REAL)
(fftwnd_plan *p, int *howmany, fftw_complex *in, int *istride, int *idist,
fftw_real *out, int *ostride, int *odist)
{
rfftwnd_complex_to_real(*p,*howmany,in,*istride,*idist,
out,*ostride,*odist);
}
void F77_FUNC_(rfftwnd_f77_one_complex_to_real,RFFTWND_F77_ONE_COMPLEX_TO_REAL)
(fftwnd_plan *p, fftw_complex *in, fftw_real *out)
{
rfftwnd_one_complex_to_real(*p,in,out);
}
/****************************************************************************/
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* defined(F77_FUNC_) */
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