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/* This file is part of the OpenLB library
*
* Copyright (C) 2013-2017 Albert Mink, Lukas Baron, Mathias J. Krause,
* 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_CALC_F_2D_H
#define BLOCK_CALC_F_2D_H
#include "utilities/arithmetic.h"
#include "blockBaseF2D.h"
/** Note: Throughout the whole source code directory genericFunctions, the
* template parameters for i/o dimensions are:
* F: S^m -> T^n (S=source, T=target)
*/
namespace olb {
/// Block level arithmetic operations for BlockF2D functors
/**
* \tparam F Function object defining the arithmetic operation to be perfomed
* e.g. std::minus for substraction
*
* Functors BlockCalcF2D<T,F>::_f and BlockCalcF2D<T,F>::_f are stored as GenericF<T,int>
* references to support arithmetic operations between block and super functors. For
* details see BlockCalcF2D<T,F>::operator().
**/
template <typename T, template<typename> class F>
class BlockCalcF2D : public BlockF2D<T> {
protected:
GenericF<T,int>& _f;
GenericF<T,int>& _g;
/// Optional global cuboid ID for mixed super / block usage
const int _glob;
const bool _fIsBlock;
const bool _gIsBlock;
public:
BlockCalcF2D(BlockF2D<T>& f, BlockF2D<T>& g);
/**
* \param f Block functor
* \param g Generic functor to be restricted to block level
* \param glob Global cuboid ID to be used to prefix calls to g
**/
BlockCalcF2D(BlockF2D<T>& f, GenericF<T,int>& g, int glob);
/**
* \param f Generic functor to be restricted to block level
* \param glob Global cuboid ID to be used to prefix calls to f
* \param g Block functor
**/
BlockCalcF2D(GenericF<T,int>& f, int glob, BlockF2D<T>& g);
bool operator() (T output[], const int input[]) override;
};
/// Block level addition functor (T==bool: Union)
template <typename T>
using BlockCalcPlus2D = BlockCalcF2D<T,util::plus>;
/// Block level subtraction functor (T==bool: Without)
template <typename T>
using BlockCalcMinus2D = BlockCalcF2D<T,util::minus>;
/// Block level multiplication functor (T==bool: Intersection)
template <typename T>
using BlockCalcMultiplication2D = BlockCalcF2D<T,util::multiplies>;
/// Block level division functor
template <typename T>
using BlockCalcDivision2D = BlockCalcF2D<T,util::divides>;
} // end namespace olb
#endif
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