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lammps/src/ML-SNAP/compute_grid.h
2022-10-24 11:08:26 -04:00

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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/ Sandia National Laboratories
LAMMPS development team: developers@lammps.org
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.
------------------------------------------------------------------------- */
#ifndef LMP_COMPUTE_GRID_H
#define LMP_COMPUTE_GRID_H
#include "compute.h"
namespace LAMMPS_NS {
class ComputeGrid : public Compute {
public:
ComputeGrid(class LAMMPS *, int, char **);
~ComputeGrid() override;
void setup() override;
void compute_array() override = 0;
double memory_usage() override;
protected:
int nx, ny, nz; // global grid dimensions
int nxlo, nxhi, nylo, nyhi, nzlo, nzhi; // local grid bounds, inclusive
int ngridlocal; // number of local grid points
int nvalues; // number of values per grid point
double **grid; // global grid
double **gridall; // global grid summed over procs
double ****gridlocal; // local grid
int triclinic; // triclinic flag
double *boxlo, *prd; // box info (units real/ortho or reduced/tri)
double *sublo, *subhi; // subdomain info (units real/ortho or reduced/tri)
double delxinv, delyinv, delzinv; // inverse grid spacing
double delx, dely, delz; // grid spacing
int nargbase; // number of base class args
double cutmax; // largest cutoff distance
int size_array_cols_base; // number of columns used for coords, etc.
int gridlocal_allocated; // shows if gridlocal allocated
void allocate(); // create arrays
void deallocate(); // free arrays
void grid2x(int, double *); // convert grid point to coord
void assign_coords_all(); // assign coords for global grid
void set_grid_global(); // set global grid
void set_grid_local(); // set bounds for local grid
};
} // namespace LAMMPS_NS
#endif