AMReX_InterpFaceRegister.H

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#ifndef AMREX_INTERP_FACE_REGISTER_H_
#define AMREX_INTERP_FACE_REGISTER_H_
#include <AMReX_Config.H>
 
#include <AMReX_MultiFab.H>
#include <AMReX_iMultiFab.H>
#include <AMReX_Geometry.H>

 
namespace amrex {

class InterpFaceRegister
{
public:
 
    InterpFaceRegister () = default;

    InterpFaceRegister (BoxArray const& fba, DistributionMapping const& fdm,
                        Geometry const& fgeom, IntVect const& ref_ratio);

    void define (BoxArray const& fba, DistributionMapping const& fdm,
                 Geometry const& fgeom, IntVect const& ref_ratio);

    iMultiFab const& mask (Orientation face) const;

    void interp (Array<MultiFab*, AMREX_SPACEDIM> const& fine,
                 Array<MultiFab const*, AMREX_SPACEDIM> const& crse,
                 int scomp, int ncomp);
 
private:
    BoxArray m_fine_ba;
    DistributionMapping m_fine_dm;
    Geometry m_fine_geom;
    IntVect m_ref_ratio;
 
    Geometry m_crse_geom;
 
    Array<BoxArray, 2*AMREX_SPACEDIM> m_fine_face_ba;
    Array<BoxArray, 2*AMREX_SPACEDIM> m_crse_face_ba;
    Array<iMultiFab,2*AMREX_SPACEDIM> m_face_mask; // crse/fine: 1, fine/fine & fine/physbc: 0
};
 
}
 
#endif