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BaseLevelSet.H

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/* _______              __
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//
// This software is copyright (C) by the Lawrence Berkeley
// National Laboratory.  Permission is granted to reproduce
// this software for non-commercial purposes provided that
// this notice is left intact.
// 
// It is acknowledged that the U.S. Government has rights to
// this software under Contract DE-AC03-765F00098 between
// the U.S.  Department of Energy and the University of
// California.
//
// This software is provided as a professional and academic
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// is provided ``as is'', with no warranties of any kind
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// documentation. By using this software, you acknowledge
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//  ANAG, LBNL, DTG

#ifndef _BaseLevelSet_H_
#define _BaseLevelSet_H_

#include <cmath>
#include <cstdlib>
#include "REAL.H"
#include "LoHiSide.H"
#include "IntVect.H"
#include "Vector.H"
#include "RealVect.H"

using std::pair;

class BaseLevelSet
{
public:

  BaseLevelSet()
  {;}

  virtual ~BaseLevelSet()
  {;}


  virtual bool isRegular(const Box& region,
                         const Box& domain,
                         const RealVect& origin,
                         const Real& dx) const = 0;


  virtual bool isCovered(const Box& region,
                         const Box& domain,
                         const RealVect& origin,
                         const Real& dx) const = 0;



  virtual pair<int, Side::LoHiSide> 
  upDirection(const RealVect& a_midpt, const IntVect& a_iv) const  = 0;


  virtual Real localFuncValue(const RealVect& a_independentCoords, 
                              const int& a_upDirection, 
                              const IntVect& a_iv, 
                              const Box& a_domain, 
                              const RealVect& a_origin, 
                              const Real& a_dx) const = 0;  


  virtual
  BaseLevelSet* new_baseLevelSet() const = 0;       

 Vector<RealVect>
  getBoxLocations(const Box& a_region,
                  const RealVect& a_origin,
                  const Real& a_dx) const;
  Vector<IntVect>
  getBoxCornerCells(const Box& a_region,
                    const RealVect& a_origin,
                    const Real& a_dx) const;


Vector<RealVect>
  getBoxLocations(const Box& a_region,
                  const RealVect& a_origin,
                  const RealVect& a_vectDx) const;


};
#endif

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