3 * This source code is part of
7 * GROningen MAchine for Chemical Simulations
10 * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
11 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
12 * Copyright (c) 2001-2004, The GROMACS development team,
13 * check out http://www.gromacs.org for more information.
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
20 * If you want to redistribute modifications, please consider that
21 * scientific software is very special. Version control is crucial -
22 * bugs must be traceable. We will be happy to consider code for
23 * inclusion in the official distribution, but derived work must not
24 * be called official GROMACS. Details are found in the README & COPYING
25 * files - if they are missing, get the official version at www.gromacs.org.
27 * To help us fund GROMACS development, we humbly ask that you cite
28 * the papers on the package - you can find them in the top README file.
30 * For more info, check our website at http://www.gromacs.org
33 * GRoups of Organic Molecules in ACtion for Science
43 int nr
; /* Total number of charge groups */
44 int nboundeddim
; /* The number of bounded dimensions */
45 int npbcdim
; /* The number of dimensions with pbc */
46 int ncg_ideal
; /* The ideal number of cg's per cell */
47 ivec n
; /* The dimension of the grid */
48 int ncells
; /* Total number of cells */
49 int cells_nalloc
; /* Allocation size of index and nra */
50 ivec ncpddc
; /* The number of cells per DD cell */
51 rvec cell_size
; /* The size of the cells */
52 rvec cell_offset
; /* The offset of the cell (0,0,0) */
53 int *cell_index
; /* The cell number of each cg */
54 int *index
; /* The index into a for each cell */
55 /* The location of the cell in the index*/
56 /* array can be found by calling xyz2ci */
57 int *nra
; /* The number of entries in a cell */
58 int icg0
; /* The start of the i-cg range */
59 int icg1
; /* The end of the i-cg range */
62 int *a
; /* The grid of cgs */
63 int nr_alloc
; /* Allocation size of cell_index and a */
64 real
*dcx2
; /* Squared distance from atom to j-cell */
65 real
*dcy2
; /* Squared distance from atom to j-cell */
66 real
*dcz2
; /* Squared distance from atom to j-cell */
67 int dc_nalloc
; /* Allocation size of dcx2, dyc2, dcz2 */