/* ----------------------------------------------------------------------
    This is the

    ██╗     ██╗ ██████╗  ██████╗  ██████╗ ██╗  ██╗████████╗███████╗
    ██║     ██║██╔════╝ ██╔════╝ ██╔════╝ ██║  ██║╚══██╔══╝██╔════╝
    ██║     ██║██║  ███╗██║  ███╗██║  ███╗███████║   ██║   ███████╗
    ██║     ██║██║   ██║██║   ██║██║   ██║██╔══██║   ██║   ╚════██║
    ███████╗██║╚██████╔╝╚██████╔╝╚██████╔╝██║  ██║   ██║   ███████║
    ╚══════╝╚═╝ ╚═════╝  ╚═════╝  ╚═════╝ ╚═╝  ╚═╝   ╚═╝   ╚══════╝®

    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:
    Andreas Aigner (JKU Linz))

    Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */

#ifdef ATOM_CLASS

AtomStyle(sph/var,AtomVecSPH2)

#else

#ifndef LMP_ATOM_VEC_SPH2_H
#define LMP_ATOM_VEC_SPH2_H

#include "atom_vec.h"

namespace LAMMPS_NS {

class AtomVecSPH2 : public AtomVec {
 public:
  AtomVecSPH2(class LAMMPS *);
  ~AtomVecSPH2() {}
  void init();
  void grow(int);
  void grow_reset();
  void copy(int, int, int);

  int pack_comm(int, int *, double *, int, int *);
  int pack_comm_vel(int, int *, double *, int, int *);
  int pack_comm_hybrid(int, int *, double *);
  void unpack_comm(int, int, double *);
  void unpack_comm_vel(int, int, double *);
  int unpack_comm_hybrid(int, int, double *);

  int pack_reverse(int, int, double *);
  void unpack_reverse(int, int *, double *);

  int pack_border(int, int *, double *, int, int *);
  int pack_border_vel(int, int *, double *, int, int *);
  int pack_border_hybrid(int, int *, double *);
  void unpack_border(int, int, double *);
  void unpack_border_vel(int, int, double *);
  int unpack_border_hybrid(int, int, double *);

  int pack_exchange(int, double *);
  int unpack_exchange(double *);

  int size_restart();
  int pack_restart(int, double *);
  int unpack_restart(double *);

  void create_atom(int, double *);
  void data_atom(double *, tagint, char **);
  int data_atom_hybrid(int, char **);
  void data_vel(int, char **);
  int data_vel_hybrid(int, char **);
  void pack_data(double **);
  int pack_data_hybrid(int, double *);
  void write_data(FILE *, int, double **);
  int write_data_hybrid(FILE *, double *);
  void pack_vel(double **);
  int pack_vel_hybrid(int, double *);
  void write_vel(FILE *, int, double **);
  int write_vel_hybrid(FILE *, double *);
  bigint memory_usage();

 private:
  int *tag,*type,*mask,*image;
  double **x,**v,**f;
  double *p,*rho,*drho,*e,*de;
  double *radius,*rmass;
  int radvary;
};

}

#endif
#endif