/usr/include/palabos/latticeBoltzmann/latticeTemplates2D.h is in libplb-dev 1.5~r1+repack1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /* This file is part of the Palabos library.
*
* Copyright (C) 2011-2015 FlowKit Sarl
* Route d'Oron 2
* 1010 Lausanne, Switzerland
* E-mail contact: contact@flowkit.com
*
* The most recent release of Palabos can be downloaded at
* <http://www.palabos.org/>
*
* The library Palabos is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* The library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* 2D specialization of latticeTemplates functions.
*/
#ifndef LATTICE_TEMPLATES_2D_H
#define LATTICE_TEMPLATES_2D_H
#include "core/globalDefs.h"
#include "latticeBoltzmann/nearestNeighborLattices2D.h"
namespace plb {
// Efficient specialization for D2Q9 lattice
template<typename T>
struct latticeTemplates<T, descriptors::D2Q9Descriptor > {
static void swapAndStreamCell (
Cell<T,descriptors::D2Q9Descriptor> **grid,
plint iX, plint iY, plint nX, plint nY, plint iPop, T& fTmp )
{
fTmp = grid[iX][iY][iPop];
grid[iX][iY][iPop] = grid[iX][iY][iPop+4];
grid[iX][iY][iPop+4] = grid[nX][nY][iPop];
grid[nX][nY][iPop] = fTmp;
}
static void swapAndStream2D (
Cell<T,descriptors::D2Q9Descriptor> **grid, plint iX, plint iY )
{
T fTmp;
swapAndStreamCell(grid, iX, iY, iX-1, iY+1, 1, fTmp);
swapAndStreamCell(grid, iX, iY, iX-1, iY, 2, fTmp);
swapAndStreamCell(grid, iX, iY, iX-1, iY-1, 3, fTmp);
swapAndStreamCell(grid, iX, iY, iX, iY-1, 4, fTmp);
}
};
template<typename T>
struct latticeTemplates<T, descriptors::ForcedD2Q9Descriptor> {
static void swapAndStreamCell (
Cell<T,descriptors::ForcedD2Q9Descriptor> **grid,
plint iX, plint iY, plint nX, plint nY, plint iPop, T& fTmp )
{
fTmp = grid[iX][iY][iPop];
grid[iX][iY][iPop] = grid[iX][iY][iPop+4];
grid[iX][iY][iPop+4] = grid[nX][nY][iPop];
grid[nX][nY][iPop] = fTmp;
}
static void swapAndStream2D (
Cell<T,descriptors::ForcedD2Q9Descriptor> **grid, plint iX, plint iY )
{
T fTmp;
swapAndStreamCell(grid, iX, iY, iX-1, iY+1, 1, fTmp);
swapAndStreamCell(grid, iX, iY, iX-1, iY, 2, fTmp);
swapAndStreamCell(grid, iX, iY, iX-1, iY-1, 3, fTmp);
swapAndStreamCell(grid, iX, iY, iX, iY-1, 4, fTmp);
}
};
} // namespace plb
#endif
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