MD-Bench/src/includes/atom.h

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/*
* =======================================================================================
*
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* Author: Jan Eitzinger (je), jan.eitzinger@fau.de
* Copyright (c) 2021 RRZE, University Erlangen-Nuremberg
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*
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* This file is part of MD-Bench.
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*
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* MD-Bench is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
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*
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* MD-Bench 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 Lesser General Public License for more
* details.
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*
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* You should have received a copy of the GNU Lesser General Public License along
* with MD-Bench. If not, see <https://www.gnu.org/licenses/>.
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* =======================================================================================
*/
#include <parameter.h>
#ifndef __ATOM_H_
#define __ATOM_H_
typedef struct {
int Natoms, Nlocal, Nghost, Nmax;
MD_FLOAT *x, *y, *z;
MD_FLOAT *vx, *vy, *vz;
MD_FLOAT *fx, *fy, *fz;
int *border_map;
int *type;
int ntypes;
MD_FLOAT *epsilon;
MD_FLOAT *sigma6;
MD_FLOAT *cutforcesq;
MD_FLOAT *cutneighsq;
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} Atom;
extern void initAtom(Atom*);
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extern void createAtom(Atom*, Parameter*);
extern void growAtom(Atom*);
#ifdef AOS
#define POS_DATA_LAYOUT "AoS"
#define atom_x(i) atom->x[(i) * 3 + 0]
#define atom_y(i) atom->x[(i) * 3 + 1]
#define atom_z(i) atom->x[(i) * 3 + 2]
#else
#define POS_DATA_LAYOUT "SoA"
#define atom_x(i) atom->x[i]
#define atom_y(i) atom->y[i]
#define atom_z(i) atom->z[i]
#endif
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#endif