AMReX_InterpBase.H

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#ifndef AMREX_INTERP_BASE_H_
#define AMREX_INTERP_BASE_H_
#include <AMReX_Config.H>
 
#include <AMReX_BCRec.H>
#include <AMReX_Box.H>
#include <AMReX_Vector.H>
 
#include <typeindex>

 
namespace amrex {
 
class InterpBase;
 
class InterpolaterBoxCoarsener final
    : public BoxConverter
{
public:
    InterpolaterBoxCoarsener (InterpBase* mapper_, const IntVect& ratio_);
    [[nodiscard]] Box doit (const Box& fine) const override;
    [[nodiscard]] BoxConverter* clone () const override;
    [[nodiscard]] bool equals (const BoxConverter& other) const override;
private:
    InterpBase* mapper;
    IntVect ratio;
    std::type_index m_type;
};
 
class InterpBase
{
public:
    InterpBase () = default;
    virtual ~InterpBase () = default;
    InterpBase (InterpBase const&) noexcept = default;
    InterpBase (InterpBase &&) noexcept = default;
    InterpBase& operator= (InterpBase const&) noexcept = default;
    InterpBase& operator= (InterpBase &&) noexcept = default;

    virtual Box CoarseBox (const Box& fine, int ratio) = 0;

    virtual Box CoarseBox (const Box& fine, const IntVect& ratio) = 0;

    InterpolaterBoxCoarsener BoxCoarsener (const IntVect& ratio);

    static Vector<int> GetBCArray (const Vector<BCRec>& bcr);
};
 
}
 
#endif