latticeTemplates3D.h

00001 /* This file is part of the Palabos library.
00002  *
00003  * Copyright (C) 2011 FlowKit Sarl
00004  * Avenue de Chailly 23
00005  * 1012 Lausanne, Switzerland
00006  * E-mail contact: contact@flowkit.com
00007  *
00008  * The most recent release of Palabos can be downloaded at 
00009  * <http://www.palabos.org/>
00010  *
00011  * The library Palabos is free software: you can redistribute it and/or
00012  * modify it under the terms of the GNU Affero General Public License as
00013  * published by the Free Software Foundation, either version 3 of the
00014  * License, or (at your option) any later version.
00015  *
00016  * The library is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  * GNU Affero General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU Affero General Public License
00022  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
00023 */
00024 
00029 #ifndef LATTICE_TEMPLATES_3D_H
00030 #define LATTICE_TEMPLATES_3D_H
00031 
00032 #include "core/globalDefs.h"
00033 #include "latticeBoltzmann/nearestNeighborLattices3D.h"
00034 
00035 namespace plb {
00036 
00037 template<typename T>
00038 struct latticeTemplates<T, descriptors::D3Q19Descriptor> {
00039 
00040 static void swapAndStreamCell (
00041       Cell<T,descriptors::D3Q19Descriptor> ***grid,
00042       plint iX, plint iY, plint iZ, plint nX, plint nY, plint nZ, plint iPop, T& fTmp )
00043 {
00044     fTmp                     = grid[iX][iY][iZ][iPop];
00045     grid[iX][iY][iZ][iPop]   = grid[iX][iY][iZ][iPop+9];
00046     grid[iX][iY][iZ][iPop+9] = grid[nX][nY][nZ][iPop];
00047     grid[nX][nY][nZ][iPop]   = fTmp;
00048 }
00049 
00050 static void swapAndStream3D(Cell<T,descriptors::D3Q19Descriptor> ***grid,
00051                             plint iX, plint iY, plint iZ)
00052 {
00053     T fTmp;
00054     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY,   iZ,   1, fTmp);
00055     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY-1, iZ,   2, fTmp);
00056     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY  , iZ-1, 3, fTmp);
00057     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ,   4, fTmp);
00058     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ,   5, fTmp);
00059     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY  , iZ-1, 6, fTmp);
00060     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY  , iZ+1, 7, fTmp);
00061     swapAndStreamCell(grid, iX, iY, iZ, iX  , iY-1, iZ-1, 8, fTmp);
00062     swapAndStreamCell(grid, iX, iY, iZ, iX  , iY-1, iZ+1, 9, fTmp);
00063 }
00064 
00065 };
00066 
00067 template<typename T>
00068 struct latticeTemplates<T, descriptors::ForcedD3Q19Descriptor> {
00069 
00070 static void swapAndStreamCell (
00071       Cell<T,descriptors::ForcedD3Q19Descriptor> ***grid,
00072       plint iX, plint iY, plint iZ, plint nX, plint nY, plint nZ, plint iPop, T& fTmp )
00073 {
00074     fTmp                     = grid[iX][iY][iZ][iPop];
00075     grid[iX][iY][iZ][iPop]   = grid[iX][iY][iZ][iPop+9];
00076     grid[iX][iY][iZ][iPop+9] = grid[nX][nY][nZ][iPop];
00077     grid[nX][nY][nZ][iPop]   = fTmp;
00078 }
00079 
00080 static void swapAndStream3D(Cell<T,descriptors::ForcedD3Q19Descriptor> ***grid,
00081                             plint iX, plint iY, plint iZ)
00082 {
00083     T fTmp;
00084     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY,   iZ,   1, fTmp);
00085     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY-1, iZ,   2, fTmp);
00086     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY  , iZ-1, 3, fTmp);
00087     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ,   4, fTmp);
00088     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ,   5, fTmp);
00089     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY  , iZ-1, 6, fTmp);
00090     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY  , iZ+1, 7, fTmp);
00091     swapAndStreamCell(grid, iX, iY, iZ, iX  , iY-1, iZ-1, 8, fTmp);
00092     swapAndStreamCell(grid, iX, iY, iZ, iX  , iY-1, iZ+1, 9, fTmp);
00093 }
00094 
00095 };
00096 
00097 template<typename T>
00098 struct latticeTemplates<T, descriptors::D3Q15Descriptor> {
00099 
00100 static void swapAndStreamCell (
00101       Cell<T,descriptors::D3Q15Descriptor> ***grid,
00102       plint iX, plint iY, plint iZ, plint nX, plint nY, plint nZ, plint iPop, T& fTmp )
00103 {
00104     fTmp                     = grid[iX][iY][iZ][iPop];
00105     grid[iX][iY][iZ][iPop]   = grid[iX][iY][iZ][iPop+7];
00106     grid[iX][iY][iZ][iPop+7] = grid[nX][nY][nZ][iPop];
00107     grid[nX][nY][nZ][iPop]   = fTmp;
00108 }
00109 
00110 static void swapAndStream3D(Cell<T,descriptors::D3Q15Descriptor> ***grid,
00111                             plint iX, plint iY, plint iZ)
00112 {
00113     T fTmp;
00114     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY,   iZ,   1, fTmp);
00115     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY-1, iZ,   2, fTmp);
00116     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY  , iZ-1, 3, fTmp);
00117 
00118     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ-1, 4, fTmp);
00119     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ+1, 5, fTmp);
00120     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ-1, 6, fTmp);
00121     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ+1, 7, fTmp);
00122 }
00123 
00124 };
00125 
00126 template<typename T>
00127 struct latticeTemplates<T, descriptors::ForcedD3Q15Descriptor> {
00128 
00129 static void swapAndStreamCell (
00130       Cell<T,descriptors::D3Q15Descriptor> ***grid,
00131       plint iX, plint iY, plint iZ, plint nX, plint nY, plint nZ, plint iPop, T& fTmp )
00132 {
00133     fTmp                     = grid[iX][iY][iZ][iPop];
00134     grid[iX][iY][iZ][iPop]   = grid[iX][iY][iZ][iPop+7];
00135     grid[iX][iY][iZ][iPop+7] = grid[nX][nY][nZ][iPop];
00136     grid[nX][nY][nZ][iPop]   = fTmp;
00137 }
00138 
00139 static void swapAndStream3D(Cell<T,descriptors::D3Q15Descriptor> ***grid,
00140                             plint iX, plint iY, plint iZ)
00141 {
00142     T fTmp;
00143     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY,   iZ,   1, fTmp);
00144     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY-1, iZ,   2, fTmp);
00145     swapAndStreamCell(grid, iX, iY, iZ, iX,   iY  , iZ-1, 3, fTmp);
00146 
00147     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ-1, 4, fTmp);
00148     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY-1, iZ+1, 5, fTmp);
00149     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ-1, 6, fTmp);
00150     swapAndStreamCell(grid, iX, iY, iZ, iX-1, iY+1, iZ+1, 7, fTmp);
00151 }
00152 
00153 };
00154 
00155 }  // namespace plb
00156 
00157 #endif