57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// clang-format off
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/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "fft3d_wrap.h"
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#include "error.h"
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using namespace LAMMPS_NS;
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/* ---------------------------------------------------------------------- */
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FFT3d::FFT3d(LAMMPS *lmp, MPI_Comm comm, int nfast, int nmid, int nslow,
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int in_ilo, int in_ihi, int in_jlo, int in_jhi,
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int in_klo, int in_khi,
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int out_ilo, int out_ihi, int out_jlo, int out_jhi,
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int out_klo, int out_khi,
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int scaled, int permute, int *nbuf, int usecollective) : Pointers(lmp)
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{
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plan = fft_3d_create_plan(comm,nfast,nmid,nslow,
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in_ilo,in_ihi,in_jlo,in_jhi,in_klo,in_khi,
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out_ilo,out_ihi,out_jlo,out_jhi,out_klo,out_khi,
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scaled,permute,nbuf,usecollective);
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if (plan == nullptr) error->one(FLERR,"Could not create 3d FFT plan");
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}
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/* ---------------------------------------------------------------------- */
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FFT3d::~FFT3d()
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{
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fft_3d_destroy_plan(plan);
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}
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/* ---------------------------------------------------------------------- */
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void FFT3d::compute(FFT_SCALAR *in, FFT_SCALAR *out, int flag)
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{
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fft_3d((FFT_DATA *) in,(FFT_DATA *) out,flag,plan);
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}
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/* ---------------------------------------------------------------------- */
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void FFT3d::timing1d(FFT_SCALAR *in, int nsize, int flag)
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{
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fft_1d_only((FFT_DATA *) in,nsize,flag,plan);
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}
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