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Current view: top level - ext/amrex/2d-coverage-g++-24.08/include - AMReX_MLMGBndry.H (source / functions) Hit Total Coverage
Test: coverage_merged.info Lines: 0 1 0.0 %
Date: 2024-11-18 05:28:54 Functions: 0 1 0.0 %

          Line data    Source code
       1             : #ifndef AMREX_MLMGBNDRY_H_
       2             : #define AMREX_MLMGBNDRY_H_
       3             : #include <AMReX_Config.H>
       4             : 
       5             : #include <AMReX_InterpBndryData.H>
       6             : 
       7             : namespace amrex {
       8             : 
       9             : template <typename MF>
      10             : class MLMGBndryT
      11             :     : public InterpBndryDataT<MF>
      12             : {
      13             : public:
      14             : 
      15             :     using BCTuple = Array<BoundCond,2*BL_SPACEDIM>;
      16             :     using RealTuple = typename BndryDataT<MF>::RealTuple;
      17             : 
      18             :     MLMGBndryT (const BoxArray& _grids, const DistributionMapping& _dmap,
      19             :                 int _ncomp, const Geometry& _geom);
      20             : 
      21           0 :     ~MLMGBndryT () = default;
      22             : 
      23             :     MLMGBndryT (MLMGBndryT<MF>&& rhs) = delete;
      24             :     MLMGBndryT (const MLMGBndryT<MF>& rhs) = delete;
      25             :     MLMGBndryT<MF>& operator= (const MLMGBndryT<MF>& rhs) = delete;
      26             :     MLMGBndryT<MF>& operator= (MLMGBndryT<MF>&& rhs) = delete;
      27             : 
      28             :     void setLOBndryConds (const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& lo,
      29             :                           const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& hi,
      30             :                           int ratio, const RealVect& a_loc,
      31             :                           LinOpBCType a_crse_fine_bc_type = LinOpBCType::Dirichlet);
      32             : 
      33             :     void setLOBndryConds (const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& lo,
      34             :                           const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& hi,
      35             :                           IntVect const& ratio, const RealVect& a_loc,
      36             :                           LinOpBCType a_crse_fine_bc_type = LinOpBCType::Dirichlet);
      37             : 
      38             :     static void setBoxBC (RealTuple& bloc, BCTuple& bctag, const Box& bx,
      39             :                           const Box& domain,
      40             :                           const Array<LinOpBCType,AMREX_SPACEDIM>& lo,
      41             :                           const Array<LinOpBCType,AMREX_SPACEDIM>& hi,
      42             :                           const Real* dx, IntVect const& ratio,
      43             :                           const RealVect& interior_bloc,
      44             :                           const Array<Real,AMREX_SPACEDIM>& domain_bloc_lo,
      45             :                           const Array<Real,AMREX_SPACEDIM>& domain_bloc_hi,
      46             :                           const GpuArray<int,AMREX_SPACEDIM>& is_periodic,
      47             :                           LinOpBCType a_crse_fine_bc_type);
      48             : };
      49             : 
      50             : template <typename MF>
      51             : MLMGBndryT<MF>::MLMGBndryT (const BoxArray& _grids, const DistributionMapping& _dmap,
      52             :                             int _ncomp, const Geometry& _geom)
      53             :     : InterpBndryDataT<MF>(_grids,_dmap,_ncomp,_geom)
      54             : {}
      55             : 
      56             : template <typename MF>
      57             : void
      58             : MLMGBndryT<MF>::setLOBndryConds (const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& lo,
      59             :                                  const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& hi,
      60             :                                  int ratio, const RealVect& a_loc,
      61             :                                  LinOpBCType a_crse_fine_bc_type)
      62             : {
      63             :     setLOBndryConds(lo, hi, IntVect(ratio), a_loc, a_crse_fine_bc_type);
      64             : }
      65             : 
      66             : template <typename MF>
      67             : void
      68             : MLMGBndryT<MF>::setLOBndryConds (const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& lo,
      69             :                                  const Vector<Array<LinOpBCType,AMREX_SPACEDIM> >& hi,
      70             :                                  IntVect const& ratio, const RealVect& a_loc,
      71             :                                  LinOpBCType a_crse_fine_bc_type)
      72             : {
      73             :     const BoxArray& ba     = this->boxes();
      74             :     const Real*     dx     = this->geom.CellSize();
      75             :     const Box&      domain = this->geom.Domain();
      76             :     const GpuArray<int,AMREX_SPACEDIM>& is_periodic = this->geom.isPeriodicArray();
      77             : 
      78             :     AMREX_ASSERT(a_crse_fine_bc_type == LinOpBCType::Dirichlet ||
      79             :                  a_crse_fine_bc_type == LinOpBCType::Neumann);
      80             : 
      81             : #ifdef AMREX_USE_OMP
      82             : #pragma omp parallel
      83             : #endif
      84             :     for (FabSetIter fsi(this->bndry[Orientation(0,Orientation::low)]);
      85             :          fsi.isValid(); ++fsi)
      86             :     {
      87             :         const int                  i     = fsi.index();
      88             :         const Box&                 grd   = ba[i];
      89             :         RealTuple&                 bloc  = this->bcloc[fsi];
      90             :         Vector< Vector<BoundCond> >& bctag = this->bcond[fsi];
      91             : 
      92             :         for (int icomp = 0; icomp < this->nComp(); ++icomp) {
      93             :             BCTuple bct;
      94             :             setBoxBC(bloc, bct, grd, domain, lo[icomp], hi[icomp], dx, ratio, a_loc,
      95             :                      {{AMREX_D_DECL(Real(0.),Real(0.),Real(0.))}},
      96             :                      {{AMREX_D_DECL(Real(0.),Real(0.),Real(0.))}},
      97             :                      is_periodic, a_crse_fine_bc_type);
      98             :             for (int idim = 0; idim < 2*AMREX_SPACEDIM; ++idim) {
      99             :                 bctag[idim][icomp] = bct[idim];
     100             :             }
     101             :         }
     102             :     }
     103             : }
     104             : 
     105             : template <typename MF>
     106             : void
     107             : MLMGBndryT<MF>::setBoxBC (RealTuple& bloc, BCTuple& bctag,
     108             :                           const Box& bx, const Box& domain,
     109             :                           const Array<LinOpBCType,AMREX_SPACEDIM>& lo,
     110             :                           const Array<LinOpBCType,AMREX_SPACEDIM>& hi,
     111             :                           const Real* dx, IntVect const& ratio,
     112             :                           const RealVect& interior_bloc,
     113             :                           const Array<Real,AMREX_SPACEDIM>& domain_bloc_lo,
     114             :                           const Array<Real,AMREX_SPACEDIM>& domain_bloc_hi,
     115             :                           const GpuArray<int,AMREX_SPACEDIM>& is_periodic,
     116             :                           LinOpBCType a_crse_fine_bc_type)
     117             : {
     118             :     using T = typename MF::value_type;
     119             : 
     120             :     for (OrientationIter fi; fi; ++fi)
     121             :     {
     122             :         const Orientation face = fi();
     123             :         const int         dir  = face.coordDir();
     124             : 
     125             :         if (domain[face] == bx[face] && !is_periodic[dir])
     126             :         {
     127             :             // All physical bc values are located on face.
     128             :             bloc[face] = static_cast<T>
     129             :                 (face.isLow() ? domain_bloc_lo[dir] : domain_bloc_hi[dir]);
     130             :             const auto linop_bc  = face.isLow() ? lo[dir] : hi[dir];
     131             :             if (linop_bc == LinOpBCType::Dirichlet) {
     132             :                 bctag[face] = AMREX_LO_DIRICHLET;
     133             :             } else if (linop_bc == LinOpBCType::Neumann) {
     134             :                 bctag[face] = AMREX_LO_NEUMANN;
     135             :             } else if (linop_bc == LinOpBCType::reflect_odd) {
     136             :                 bctag[face] = AMREX_LO_REFLECT_ODD;
     137             :             } else {
     138             :                 amrex::Abort("MLMGBndry::setBoxBC: Unknown LinOpBCType");
     139             :             }
     140             :         }
     141             :         else
     142             :         {
     143             :             // Internal bndry.
     144             :             bctag[face] = static_cast<int>(a_crse_fine_bc_type);
     145             :             bloc[face]  = static_cast<T>(ratio[dir] > 0 ? Real(0.5)*static_cast<Real>(ratio[dir])*dx[dir]
     146             :                                                    : interior_bloc[dir]);
     147             :             // If this is next to another same level box, BC type is wrong
     148             :             // and bloc is wrong.  But it doesn't matter, because we also
     149             :             // have mask.  It is used only if mask says it is next to coarse
     150             :             // cells.
     151             :         }
     152             :     }
     153             : }
     154             : 
     155             : using MLMGBndry = MLMGBndryT<MultiFab>;
     156             : 
     157             : }
     158             : 
     159             : #endif

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