fft3d_wrap.h
2049fa738045lammm-master-deprecated

fft3d_wrap.h
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			/* -- c++ -- ----------------------------------------------------------
			LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
			http://lammps.sandia.gov, Sandia National Laboratories
			Steve Plimpton, sjplimp@sandia.gov

			Copyright (2003) Sandia Corporation. Under the terms of Contract
			DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
			certain rights in this software. This software is distributed under
			the GNU General Public License.

			See the README file in the top-level LAMMPS directory.
			------------------------------------------------------------------------- */

			#ifndef LMP_FFT3D_WRAP_H
			#define LMP_FFT3D_WRAP_H

			#include "pointers.h"
			#include "fft3d.h"

			namespace LAMMPS_NS {

			class FFT3d : protected Pointers {
			public:
			FFT3d(class LAMMPS *, MPI_Comm,int,int,int,int,int,int,int,int,int,
			int,int,int,int,int,int,int,int,int *,int);
			~FFT3d();
			void compute(FFT_SCALAR , FFT_SCALAR , int);
			void timing1d(FFT_SCALAR *, int, int);

			private:
			struct fft_plan_3d *plan;
			};

			}

			#endif

			/* ERROR/WARNING messages:

			E: Could not create 3d FFT plan

			The FFT setup for the PPPM solver failed, typically due
			to lack of memory. This is an unusual error. Check the
			size of the FFT grid you are requesting.

			*/