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/* ----------------------------------------------------------------------
    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:
    This file is from LAMMPS, but has been modified. Copyright for
    modification:

    Copyright 2012-     DCS Computing GmbH, Linz
    Copyright 2009-2012 JKU Linz

    Copyright of original file:
    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.
------------------------------------------------------------------------- */

// Pointers class contains ptrs to master copy of
//   fundamental LAMMPS class ptrs stored in lammps.h
// every LAMMPS class inherits from Pointers to access lammps.h ptrs
// these variables are auto-initialized by Pointer class constructor
// *& variables are really pointers to the pointers in lammps.h
// & enables them to be accessed directly in any class, e.g. atom->x

#ifndef LMP_POINTERS_H
#define LMP_POINTERS_H

#include "lmptype.h"
#include "mpi.h"
#include "lammps.h"

namespace LAMMPS_NS {

// universal defines inside namespace

#define FLERR __FILE__,__LINE__

#define MIN(A,B) ((A) < (B) ? (A) : (B))
#define MAX(A,B) ((A) > (B) ? (A) : (B))
#define UNUSED(P) (void)P

class Pointers {
 public:
  Pointers(LAMMPS *ptr) :
    lmp(ptr),
    memory(ptr->memory),
    error(ptr->error),
    universe(ptr->universe),
    input(ptr->input),
    atom(ptr->atom),
    update(ptr->update),
    neighbor(ptr->neighbor),
    comm(ptr->comm),
    domain(ptr->domain),
    force(ptr->force),
    modify(ptr->modify),
    group(ptr->group),
    output(ptr->output),
    timer(ptr->timer),
    world(ptr->world),
    infile(ptr->infile),
    screen(ptr->screen),
    logfile(ptr->logfile),
    thermofile(ptr->thermofile) {}
  virtual ~Pointers() {}

 protected:
  LAMMPS *lmp;
  Memory *&memory;
  Error *&error;
  Universe *&universe;
  Input *&input;

  Atom *&atom;
  Update *&update;
  Neighbor *&neighbor;
  Comm *&comm;
  Domain *&domain;
  Force *&force;
  Modify *&modify;
  Group *&group;
  Output *&output;
  Timer *&timer;

  MPI_Comm &world;
  FILE *&infile;
  FILE *&screen;
  FILE *&logfile;
  FILE *&thermofile;
};

}

#endif