/usr/include/liggghts/region_neighbor_list_definitions.h is in libliggghts-dev 3.7.0+repack1-1.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It 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. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
(if not contributing author is listed, this file has been contributed
by the core developer)
Richard Berger (JKU Linz)
Christoph Kloss (DCS Computing GmbH)
Alexander Podlozhnyuk (DCS Computing GmbH)
Copyright 2014-2015 JKU Linz
Copyright 2015- DCS Computing GmbH
------------------------------------------------------------------------- */
#ifndef REGION_NEIGHBOR_LIST_DEFINITIONS_H
#define REGION_NEIGHBOR_LIST_DEFINITIONS_H
#include <vector>
#include "vector_liggghts.h"
#include "pointers.h"
#include "bounding_box.h"
namespace LAMMPS_NS {
class Region;
/**
* @brief A small particle structure
*/
class ParticleBase
{
public:
int index;
double x[3];
double radius;
#ifdef SUPERQUADRIC_ACTIVE_FLAG
double shape[3];
double quaternion[4];
double roundness[2];
#endif
};
template<bool INTERPOLATION>
class Particle : public ParticleBase
{};
template<>
class Particle<false /*interpolation*/> : public ParticleBase
{
public:
Particle(int _i,double * _pos, double _rad, int,int,double,double,double) {
index = _i;
LAMMPS_NS::vectorCopy3D(_pos, x);
radius = _rad;
#ifdef SUPERQUADRIC_ACTIVE_FLAG
quaternion[0] = 1.0;
quaternion[1] = quaternion[2] = quaternion[3] = 0.0;
shape[0] = shape[1] = shape[2] = radius;
roundness[0] = roundness[1] = 2.0;
#endif
}
#ifdef SUPERQUADRIC_ACTIVE_FLAG
Particle(int _i,double * pos, double rad, double *quaternion_, double *shape_, double *roundness_, int,int,double,double,double) {
index = _i;
LAMMPS_NS::vectorCopy3D(pos, x);
radius = rad;
LAMMPS_NS::vectorCopy4D(quaternion_, quaternion);
LAMMPS_NS::vectorCopy3D(shape_, shape);
LAMMPS_NS::vectorCopy2D(roundness_, roundness);
}
#endif
};
template<>
class Particle<true /*interpolation*/> : public ParticleBase
{
public:
int ibin;
int quadrant_bitfield;
double wx, wy, wz;
Particle(int _i,double * _pos, double _rad,int _ibin,int _quadrant,double _wx = -1.,double _wy = -1.,double _wz = -1.) {
index = _i;
LAMMPS_NS::vectorCopy3D(_pos, x);
radius = _rad;
ibin = _ibin;
quadrant_bitfield = _quadrant;
wx = _wx;
wy = _wy;
wz = _wz;
#ifdef SUPERQUADRIC_ACTIVE_FLAG
quaternion[0] = 1.0;
quaternion[1] = quaternion[2] = quaternion[3] = 0.0;
shape[0] = shape[1] = shape[2] = radius;
roundness[0] = roundness[1] = 2.0;
#endif
}
#ifdef SUPERQUADRIC_ACTIVE_FLAG
Particle(int _i, double * pos, double rad, double *quaternion_, double *shape_, double *roundness_, int _ibin,int _quadrant,double _wx = -1.,double _wy = -1.,double _wz = -1.) {
index = _i;
LAMMPS_NS::vectorCopy3D(pos, x);
radius = rad;
LAMMPS_NS::vectorCopy4D(quaternion_, quaternion);
LAMMPS_NS::vectorCopy3D(shape_, shape);
LAMMPS_NS::vectorCopy2D(roundness_, roundness);
ibin = _ibin;
quadrant_bitfield = _quadrant;
wx = _wx;
wy = _wy;
wz = _wz;
}
#endif
};
/**
* @brief typedefs
*/
typedef std::vector<Particle<true> > ParticleListInterpolate;
typedef std::vector<Particle<false> > ParticleListNoInterpolate;
typedef std::vector<int> Stencil;
const static bool interpolate_yes = true;
const static bool interpolate_no = false;
/**
* @brief Bin class
*
* Defines data structure for binning
* Variants with and without interpolation. Interpolation
* variant stores lists with offsets
*/
class BinBase
{
public:
int id;
double center[3];
};
template<bool INTERPOLATION>
class Bin : public BinBase
{};
template<>
class Bin<false> : public BinBase
{
public:
ParticleListNoInterpolate particles;
};
template<>
class Bin<true> : public BinBase
{
public:
ParticleListInterpolate particles;
std::vector<Stencil> stencils;
std::vector<int> stencil_shift_down;
std::vector<int> stencil_shift_up;
};
}
#endif
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