pico/pico/SubDomain.h

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// -*- C++ -*-
//
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//                                   Fehmi Cirak
//                        California Institute of Technology
//                           (C) 2003 All Rights Reserved
//
//  <LicenseText>
//
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
#ifndef _SubDomain_h_
#define _SubDomain_h_
#include "definitions.h"
#include "CBuffer.h"


namespace pico {
    class SubDomain;
    class CBuffer;
}


class pico::SubDomain{

public: 
    
    SubDomain(const VecD3& lo, const VecD3& up, double maxElemSize=0.0);
    ~SubDomain();
    
    // memory management
    void allocateReceiveBuffer(const size_t& size);
    void registerSendBuffer(const char * const start, const size_t& size);
        
    // accessors
    VecD3 lowerPoint() const {return _low;}
    VecD3 upperPoint() const {return _upp;}
    
    void setSendMsgSize(const size_t& size) {
        _sendMsgSize=size;
    }

    int sendMsgSize() const {return _sendMsgSize;}
    int recvBufferSize() const {return _rBuf->size();}
    
    char* sendBuffer() {return _sBuf->start();}
    char* recvBuffer() {return _rBuf->start();}
    
    double maxElemSize() const {return _maxElemSize;}
    
    // intersection test
    bool checkOverlap(const SubDomain * const b) const;

// copy and equality constructor
private:
    SubDomain(const SubDomain &);
    const SubDomain & operator=(const SubDomain &);

private:
    bool isIn(const VecD3& point) const;

private:
    // lower and upper corner of bounding box
    VecD3        _low;
    VecD3        _upp;
   
    // max size of one finite element
    double       _maxElemSize;
 
    // buffers for mpi
    CBuffer      *_rBuf;
    CBuffer      *_sBuf;
        
    int          _sendMsgSize;
};

#endif

//  End of file

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