/*
 * $Id: nsgrid.h,v 1.6 2003/11/17 21:50:44 spoel Exp $
 * 
 *                This source code is part of
 * 
 *                 G   R   O   M   A   C   S
 * 
 *          GROningen MAchine for Chemical Simulations
 * 
 *                        VERSION 3.2.0
 * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
 * Copyright (c) 2001-2004, The GROMACS development team,
 * check out http://www.gromacs.org for more information.

 * This program is free software; you can redistribute it and/or
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 * as published by the Free Software Foundation; either version 2
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 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

typedef struct {
  int	 nr;		/* Total number of charge groups	*/
  int	 nrx,nry,nrz;	/* The dimension of the grid		*/
  int    ncells;	/* Total number of cells		*/
  int    maxcells;	/* Max number of cells (when box grows)	*/
  int	 delta;		/* The distance in cells to be searched */
  int    gmax;		/* The size of the largest grid cell	*/
  int	 *cell_index;	/* The cell number of each cg		*/
  int    *index;	/* The index into a for each cell	*/
			/* The location of the cell in the index*/
			/* array can be found by calling xyz2ci	*/
  int    *nra;		/* The number of entries in a cell	*/
  int    *a;		/* The grid of cgs			*/
} t_grid;

