Files
lammps/src/KOKKOS/pair_zbl_kokkos.h
2018-04-03 17:48:31 -06:00

122 lines
3.9 KiB
C++

/* -*- 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(zbl/kk,PairZBLKokkos<LMPDeviceType>)
PairStyle(zbl/kk/device,PairZBLKokkos<LMPDeviceType>)
PairStyle(zbl/kk/host,PairZBLKokkos<LMPHostType>)
#else
#ifndef LMP_PAIR_ZBL_KOKKOS_H
#define LMP_PAIR_ZBL_KOKKOS_H
#include "pair_zbl.h"
#include "pair_kokkos.h"
#include "neigh_list_kokkos.h"
namespace LAMMPS_NS {
template<class DeviceType>
class PairZBLKokkos : public PairZBL {
public:
enum {EnabledNeighFlags=FULL|HALFTHREAD|HALF};
enum {COUL_FLAG=0};
typedef DeviceType device_type;
typedef ArrayTypes<DeviceType> AT;
PairZBLKokkos(class LAMMPS *);
virtual ~PairZBLKokkos();
void compute(int, int);
void init_style();
F_FLOAT init_one(int, int);
private:
DAT::tdual_ffloat_1d k_z;
DAT::tdual_ffloat_2d_dl k_d1a,k_d2a,k_d3a,k_d4a,k_zze,k_sw1,k_sw2,k_sw3,k_sw4,k_sw5;
typename AT::t_ffloat_1d d_z;
typename AT::t_ffloat_2d_dl d_d1a,d_d2a,d_d3a,d_d4a,d_zze,d_sw1,d_sw2,d_sw3,d_sw4,d_sw5;
typename AT::t_x_array_randomread x;
typename AT::t_f_array f;
typename AT::t_int_1d_randomread type;
DAT::tdual_efloat_1d k_eatom;
DAT::tdual_virial_array k_vatom;
typename AT::t_efloat_1d d_eatom;
typename AT::t_virial_array d_vatom;
F_FLOAT m_cutsq[MAX_TYPES_STACKPARAMS+1][MAX_TYPES_STACKPARAMS+1];
typename AT::t_ffloat_2d_dl d_cutsq;
int newton_pair;
int neighflag;
int nlocal,nall,eflag,vflag;
double special_lj[4];
KOKKOS_INLINE_FUNCTION
F_FLOAT e_zbl(F_FLOAT, int, int) const;
KOKKOS_INLINE_FUNCTION
F_FLOAT dzbldr(F_FLOAT, int, int) const;
KOKKOS_INLINE_FUNCTION
F_FLOAT d2zbldr2(F_FLOAT, int, int) const;
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;
}
void cleanup_copy();
void allocate();
friend class PairComputeFunctor<PairZBLKokkos,FULL,true>;
friend class PairComputeFunctor<PairZBLKokkos,HALF,true>;
friend class PairComputeFunctor<PairZBLKokkos,HALFTHREAD,true>;
friend class PairComputeFunctor<PairZBLKokkos,FULL,false>;
friend class PairComputeFunctor<PairZBLKokkos,HALF,false>;
friend class PairComputeFunctor<PairZBLKokkos,HALFTHREAD,false>;
friend EV_FLOAT pair_compute_neighlist<PairZBLKokkos,FULL,void>(PairZBLKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute_neighlist<PairZBLKokkos,HALF,void>(PairZBLKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute_neighlist<PairZBLKokkos,HALFTHREAD,void>(PairZBLKokkos*,NeighListKokkos<DeviceType>*);
friend EV_FLOAT pair_compute<PairZBLKokkos,void>(PairZBLKokkos*,NeighListKokkos<DeviceType>*);
friend void pair_virial_fdotr_compute<PairZBLKokkos>(PairZBLKokkos*);
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Cannot use Kokkos pair style with rRESPA inner/middle
UNDOCUMENTED
E: Cannot use chosen neighbor list style with lj/cut/kk
UNDOCUMENTED
*/