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/* This file is part of the OpenLB library
*
* Copyright (C) 2018 Adrian Kummerlaender
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef BLOCK_INTEGRAL_F_3D_HH
#define BLOCK_INTEGRAL_F_3D_HH
#include "blockIntegralF3D.h"
#include "core/olbDebug.h"
#include "functors/lattice/indicator/blockIndicatorBaseF3D.h"
namespace olb {
template <typename T, typename W>
BlockSum3D<T,W>::BlockSum3D(BlockF3D<W>& f,
BlockIndicatorF3D<T>& indicatorF)
: BlockF3D<W>(f.getBlockStructure(), f.getTargetDim()+1),
_f(f),
_indicatorF(indicatorF)
{
this->getName() = "BlockSum("+_f.getName()+")";
}
template <typename T, typename W>
bool BlockSum3D<T,W>::operator() (W output[], const int input[])
{
OLB_ASSERT(_f.getSourceDim() == _indicatorF.getSourceDim(),
"functor source dimension equals indicator source dimension");
W outputTmp[_f.getTargetDim()];
int inputTmp[_f.getSourceDim()];
std::size_t voxels(0);
const auto& blockStructure = this->getBlockStructure();
for (inputTmp[0] = 0; inputTmp[0] < blockStructure.getNx(); ++inputTmp[0]) {
for (inputTmp[1] = 0; inputTmp[1] < blockStructure.getNy(); ++inputTmp[1]) {
for (inputTmp[2] = 0; inputTmp[2] < blockStructure.getNz(); ++inputTmp[2]) {
if (_indicatorF(inputTmp)) {
_f(outputTmp,inputTmp);
for (int i = 0; i < _f.getTargetDim(); ++i) {
output[i] += outputTmp[i];
}
voxels += 1;
}
}
}
}
output[_f.getTargetDim()] += voxels;
return true;
}
template <typename T, typename W>
BlockIntegral3D<T,W>::BlockIntegral3D(BlockF3D<W>& f,
BlockIndicatorF3D<T>& indicatorF)
: BlockF3D<W>(f.getBlockStructure(), f.getTargetDim()),
_f(f),
_indicatorF(indicatorF)
{
this->getName() = "BlockIntegral("+_f.getName()+")";
}
template <typename T, typename W>
bool BlockIntegral3D<T,W>::operator() (W output[], const int input[])
{
OLB_ASSERT(_f.getSourceDim() == _indicatorF.getSourceDim(),
"functor source dimension equals indicator source dimension");
const W weight = pow(_indicatorF.getBlockGeometryStructure().getDeltaR(), 3);
W outputTmp[_f.getTargetDim()];
int inputTmp[_f.getSourceDim()];
const auto& blockStructure = this->getBlockStructure();
for (inputTmp[0] = 0; inputTmp[0] < blockStructure.getNx(); ++inputTmp[0]) {
for (inputTmp[1] = 0; inputTmp[1] < blockStructure.getNy(); ++inputTmp[1]) {
for (inputTmp[2] = 0; inputTmp[2] < blockStructure.getNz(); ++inputTmp[2]) {
if (_indicatorF(inputTmp)) {
_f(outputTmp,inputTmp);
for (int i = 0; i < this->getTargetDim(); ++i) {
output[i] += outputTmp[i] * weight;
}
}
}
}
}
return true;
}
}
#endif
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