IntScratchField.H

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#ifndef INTSCRATCHFIELD_H
#define INTSCRATCHFIELD_H
 
#include <string>
#include <utility>
 
#include "src/core/FieldDescTypes.H"
#include "src/core/ViewField.H"
#include "AMReX_iMultiFab.H"
#include "AMReX_Vector.H"
#include "AMReX_PhysBCFunct.H"
 
namespace kynema_sgf {
 
class FieldRepo;

class IntScratchField
{
public:
    friend class FieldRepo;
 
    IntScratchField(const IntScratchField&) = delete;
    IntScratchField& operator=(const IntScratchField&) = delete;

    [[nodiscard]] const std::string& name() const { return m_name; }

    [[nodiscard]] int num_comp() const { return m_ncomp; }

    [[nodiscard]] const amrex::IntVect& num_grow() const { return m_ngrow; }

    [[nodiscard]] FieldLoc field_location() const { return m_floc; }

    amrex::iMultiFab& operator()(int lev) { return m_data[lev]; }
    const amrex::iMultiFab& operator()(int lev) const { return m_data[lev]; }
 
    amrex::Vector<amrex::iMultiFab*> vec_ptrs()
    {
        return amrex::GetVecOfPtrs(m_data);
    }
 
    [[nodiscard]] amrex::Vector<const amrex::iMultiFab*> vec_const_ptrs() const
    {
        return amrex::GetVecOfConstPtrs(m_data);
    }

    [[nodiscard]] const FieldRepo& repo() const { return m_repo; }
 
    void setVal(int value);
 
protected:
    IntScratchField(
        const FieldRepo& repo,
        std::string name,
        const int ncomp = 1,
        const int ngrow = 1,
        const FieldLoc floc = FieldLoc::CELL)
        : m_repo(repo)
        , m_name(std::move(name))
        , m_ncomp(ncomp)
        , m_ngrow(ngrow)
        , m_floc(floc)
    {}
 
    const FieldRepo& m_repo;
    std::string m_name;
    int m_ncomp;
    amrex::IntVect m_ngrow;
    FieldLoc m_floc;
 
    amrex::Vector<amrex::iMultiFab> m_data;
};
 
} // namespace kynema_sgf
 
#endif /* INTSCRATCHFIELD_H */