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1   // ******************************************************************************
2   //
3   // Title:       Force Field X.
4   // Description: Force Field X - Software for Molecular Biophysics.
5   // Copyright:   Copyright (c) Michael J. Schnieders 2001-2025.
6   //
7   // This file is part of Force Field X.
8   //
9   // Force Field X is free software; you can redistribute it and/or modify it
10  // under the terms of the GNU General Public License version 3 as published by
11  // the Free Software Foundation.
12  //
13  // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14  // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16  // details.
17  //
18  // You should have received a copy of the GNU General Public License along with
19  // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20  // Place, Suite 330, Boston, MA 02111-1307 USA
21  //
22  // Linking this library statically or dynamically with other modules is making a
23  // combined work based on this library. Thus, the terms and conditions of the
24  // GNU General Public License cover the whole combination.
25  //
26  // As a special exception, the copyright holders of this library give you
27  // permission to link this library with independent modules to produce an
28  // executable, regardless of the license terms of these independent modules, and
29  // to copy and distribute the resulting executable under terms of your choice,
30  // provided that you also meet, for each linked independent module, the terms
31  // and conditions of the license of that module. An independent module is a
32  // module which is not derived from or based on this library. If you modify this
33  // library, you may extend this exception to your version of the library, but
34  // you are not obligated to do so. If you do not wish to do so, delete this
35  // exception statement from your version.
36  //
37  // ******************************************************************************
38  package ffx.openmm.amoeba;
39  
40  import com.sun.jna.ptr.PointerByReference;
41  import ffx.openmm.DoubleArray;
42  
43  import static edu.uiowa.jopenmm.OpenMMAmoebaLibrary.OpenMM_3D_DoubleArray_create;
44  import static edu.uiowa.jopenmm.OpenMMAmoebaLibrary.OpenMM_3D_DoubleArray_destroy;
45  import static edu.uiowa.jopenmm.OpenMMAmoebaLibrary.OpenMM_3D_DoubleArray_set;
46  
47  /**
48   * DoubleArray3D.
49   */
50  public class DoubleArray3D {
51  
52    private PointerByReference pointer;
53  
54    /**
55     * Constructor.
56     *
57     * @param d1 The size of the first dimension.
58     * @param d2 The size of the second dimension.
59     * @param d3 The size of the third dimension.
60     */
61    public DoubleArray3D(int d1, int d2, int d3) {
62      pointer = OpenMM_3D_DoubleArray_create(d1, d2, d3);
63    }
64  
65    /**
66     * Destroy the array.
67     */
68    public void destroy() {
69      if (pointer != null) {
70        OpenMM_3D_DoubleArray_destroy(pointer);
71        pointer = null;
72      }
73    }
74  
75    /**
76     * Get the pointer to the array.
77     *
78     * @return The pointer.
79     */
80    public PointerByReference getPointer() {
81      return pointer;
82    }
83  
84    /**
85     * Set the value of the array at the given index.
86     *
87     * @param d1    The first dimension index.
88     * @param d2    The second dimension index.
89     * @param value The value to set.
90     */
91    public void set(int d1, int d2, DoubleArray value) {
92      OpenMM_3D_DoubleArray_set(pointer, d1, d2, value.getPointer());
93    }
94  
95  }