levelSetKernel.hpp

/*---------------------------------------------------------------------------*\
 *
 *  bitpit
 *
 *  Copyright (C) 2015-2021 OPTIMAD engineering Srl
 *
 *  -------------------------------------------------------------------------
 *  License
 *  This file is part of bitpit.
 *
 *  bitpit is free software: you can redistribute it and/or modify it
 *  under the terms of the GNU Lesser General Public License v3 (LGPL)
 *  as published by the Free Software Foundation.
 *
 *  bitpit 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 Lesser General Public
 *  License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with bitpit. If not, see <http://www.gnu.org/licenses/>.
 *
\*---------------------------------------------------------------------------*/
 
# ifndef __BITPIT_LEVELSET_KERNEL_HPP__
# define __BITPIT_LEVELSET_KERNEL_HPP__
 
// Standard Template Library
# include <array>
# include <memory>
# include <vector>
# include <unordered_map>
 
# if BITPIT_ENABLE_MPI
# include <mpi.h>
# include "bitpit_communications.hpp"
# endif
# include "bitpit_common.hpp"
# include "bitpit_patchkernel.hpp"
 
# include "levelSetCache.hpp"
 
namespace bitpit{
 
class VolumeKernel ;
 
class LevelSetKernel {
 
    private:
# if BITPIT_ENABLE_MPI
    void                                        initializeCommunicator();
    void                                        freeCommunicator();
# endif
 
 
    protected:
    VolumeKernel*                               m_mesh;           
    LevelSetFillIn                              m_expectedFillIn; 
# if BITPIT_ENABLE_MPI
    MPI_Comm                                    m_communicator; 
# endif
 
    public:
    virtual ~LevelSetKernel() ;
    LevelSetKernel() ;
    LevelSetKernel( VolumeKernel *mesh, LevelSetFillIn fillIn ) ;
 
    virtual VolumeKernel *                      getMesh() const;
 
    LevelSetFillIn                              getExpectedFillIn() const;
 
    double                                      getDistanceTolerance() const;
 
    virtual std::array<double, 3>               computeCellCentroid(long) const = 0;
    virtual double                              computeCellTangentRadius(long) const = 0;
    virtual double                              computeCellBoundingRadius(long) const = 0;
 
    virtual bool                                update(const std::vector<adaption::Info> &);
 
    virtual bool                                intersectCellPlane(long, const std::array<double,3> &, const std::array<double,3> &, double);
 
    BITPIT_DEPRECATED(bool                      isPointInCell(long, const std::array<double,3> &) const);
    BITPIT_DEPRECATED(double                    isCellInsideBoundingBox(long, const std::array<double BITPIT_COMMA 3> &, const std::array<double,3> & ) const);
 
# if BITPIT_ENABLE_MPI
    MPI_Comm                                    getCommunicator() const;
    bool                                        isCommunicatorSet() const;
 
    std::unique_ptr<DataCommunicator>           createDataCommunicator() const;
# endif
 
};
 
class LevelSetCachedKernel : public LevelSetKernel {
 
    public:
    typedef ElementCacheCollection CellCacheCollection;
 
    LevelSetCachedKernel( VolumeKernel *, LevelSetFillIn fillIn ) ;
 
    void                                        clearCaches(bool release = false);
 
    bool                                        update(const std::vector<adaption::Info> &) override;
 
    protected:
    mutable std::unique_ptr<CellCacheCollection> m_cellCacheCollection;  
    CellCacheCollection &                       getCellCacheCollection();
    const CellCacheCollection &                 getCellCacheCollection() const;
 
};
 
}
 
#endif