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pair_morse_kokkos.h
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rLAMMPS lammps
pair_morse_kokkos.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.
------------------------------------------------------------------------- */
#ifdef PAIR_CLASS
PairStyle(morse/kk,PairMorseKokkos<LMPDeviceType>)
PairStyle(morse/kk/device,PairMorseKokkos<LMPDeviceType>)
PairStyle(morse/kk/host,PairMorseKokkos<LMPHostType>)
#else
#ifndef LMP_PAIR_MORSE_KOKKOS_H
#define LMP_PAIR_MORSE_KOKKOS_H
#include "pair_kokkos.h"
#include "pair_morse.h"
#include "neigh_list_kokkos.h"
namespace LAMMPS_NS {
template<class DeviceType>
class PairMorseKokkos : public PairMorse {
public:
enum {EnabledNeighFlags=FULL|HALFTHREAD|HALF|N2};
enum {COUL_FLAG=0};
typedef DeviceType device_type;
PairMorseKokkos(class LAMMPS *);
virtual ~PairMorseKokkos();
void compute(int, int);
void settings(int, char **);
void init_style();
double init_one(int, int);
struct params_morse{
KOKKOS_INLINE_FUNCTION
params_morse(){cutsq=0,d0=0;alpha=0;r0=0;offset=0;}
KOKKOS_INLINE_FUNCTION
params_morse(int i){cutsq=0,d0=0;alpha=0;r0=0;offset=0;}
F_FLOAT cutsq,d0,alpha,r0,offset;
};
protected:
void cleanup_copy();
template<bool STACKPARAMS, class Specialisation>
KOKKOS_INLINE_FUNCTION
F_FLOAT compute_fpair(const F_FLOAT& rsq, const int& i, const int&j, const int& itype, const int& jtype) const;
template<bool STACKPARAMS, class Specialisation>
KOKKOS_INLINE_FUNCTION
F_FLOAT compute_evdwl(const F_FLOAT& rsq, const int& i, const int&j, const int& itype, const int& jtype) const;
template<bool STACKPARAMS, class Specialisation>
KOKKOS_INLINE_FUNCTION
F_FLOAT compute_ecoul(const F_FLOAT& rsq, const int& i, const int&j, const int& itype, const int& jtype) const {
return 0;
}
Kokkos::DualView<params_morse**,Kokkos::LayoutRight,DeviceType> k_params;
typename Kokkos::DualView<params_morse**,Kokkos::LayoutRight,DeviceType>::t_dev_const_um params;
params_morse m_params[MAX_TYPES_STACKPARAMS+1][MAX_TYPES_STACKPARAMS+1];
F_FLOAT m_cutsq[MAX_TYPES_STACKPARAMS+1][MAX_TYPES_STACKPARAMS+1];
typename ArrayTypes<DeviceType>::t_x_array_randomread x;
typename ArrayTypes<DeviceType>::t_x_array c_x;
typename ArrayTypes<DeviceType>::t_f_array f;
typename ArrayTypes<DeviceType>::t_int_1d_randomread type;
DAT::tdual_efloat_1d k_eatom;
DAT::tdual_virial_array k_vatom;
typename ArrayTypes<DeviceType>::t_efloat_1d d_eatom;
typename ArrayTypes<DeviceType>::t_virial_array d_vatom;
typename ArrayTypes<DeviceType>::t_tagint_1d tag;
int newton_pair;
double special_lj[4];
typename ArrayTypes<DeviceType>::tdual_ffloat_2d k_cutsq;
typename ArrayTypes<DeviceType>::t_ffloat_2d d_cutsq;
int neighflag;
int nlocal,nall,eflag,vflag;
void allocate();
friend class PairComputeFunctor<PairMorseKokkos,FULL,true>;
friend class PairComputeFunctor<PairMorseKokkos,HALF,true>;
friend class PairComputeFunctor<PairMorseKokkos,HALFTHREAD,true>;
friend class PairComputeFunctor<PairMorseKokkos,N2,true>;
friend class PairComputeFunctor<PairMorseKokkos,FULL,false>;
friend class PairComputeFunctor<PairMorseKokkos,HALF,false>;
friend class PairComputeFunctor<PairMorseKokkos,HALFTHREAD,false>;
friend class PairComputeFunctor<PairMorseKokkos,N2,false>;
friend EV_FLOAT pair_compute_neighlist<PairMorseKokkos,FULL,void>(PairMorseKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute_neighlist<PairMorseKokkos,HALF,void>(PairMorseKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute_neighlist<PairMorseKokkos,HALFTHREAD,void>(PairMorseKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute_neighlist<PairMorseKokkos,N2,void>(PairMorseKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute<PairMorseKokkos,void>(PairMorseKokkos*,NeighListKokkos<DeviceType>*);
friend void pair_virial_fdotr_compute<PairMorseKokkos>(PairMorseKokkos*);
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Illegal ... command
Self-explanatory. Check the input script syntax and compare to the
documentation for the command. You can use -echo screen as a
command-line option when running LAMMPS to see the offending line.
E: Cannot use Kokkos pair style with rRESPA inner/middle
Self-explanatory.
E: Cannot use chosen neighbor list style with morse/kk
That style is not supported by Kokkos.
*/
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