#ifndef CARPETSLAB_MAPPING_HH
#define CARPETSLAB_MAPPING_HH

#include <vector>

#include "cctk.h"

namespace CarpetSlab {
  
  
  
  // Mapping object
  // (just store the mapping)
  struct mapping {
    int vindex;
    int hdim;
    vector<int> origin;         // [vdim]
    vector<int> dirs;           // [hdim]
    vector<int> stride;         // [hdim]
    vector<int> length;         // [hdim]
  };
  
  
  
  int StoreMapping (mapping * const mp);
  
  mapping * RetrieveMapping (int const table);
  
  void DeleteMapping (int const table);
    
    
    
  typedef CCTK_INT
  (* conversion_fn_ptr) (CCTK_INT const nelems,
                         CCTK_INT const src_stride,
                         CCTK_INT const dst_stride,
                         CCTK_INT const src_type,
                         CCTK_INT const dst_type,
                         CCTK_POINTER_TO_CONST const from,
                         CCTK_POINTER const to);
  
  extern "C" CCTK_INT
  CarpetSlab_LocalMappingByIndex (CCTK_POINTER_TO_CONST const cctkGH,
                                  CCTK_INT const vindex,
                                  CCTK_INT const hdim,
                                  CCTK_INT const * const direction,
                                  CCTK_INT const * const origin,
                                  CCTK_INT const * const extent,
                                  CCTK_INT const * const downsample,
                                  CCTK_INT const table_handle,
                                  conversion_fn_ptr const conversion_fn,
                                  CCTK_INT * const hsize_local,
                                  CCTK_INT * const hsize_global,
                                  CCTK_INT * const hoffset_global);
  
  extern "C" CCTK_INT
  CarpetSlab_GlobalMappingByIndex (CCTK_POINTER_TO_CONST const cctkGH,
                                   CCTK_INT const vindex,
                                   CCTK_INT const hdim,
                                   CCTK_INT const * const direction,
                                   CCTK_INT const * const origin,
                                   CCTK_INT const * const extent,
                                   CCTK_INT const * const downsample,
                                   CCTK_INT const table_handle,
                                   conversion_fn_ptr const conversion_fn,
                                   CCTK_INT * const hsize);
  
  extern "C" CCTK_INT
  CarpetSlab_FreeMapping (CCTK_INT const mapping_handle);
  
  
  
} // namespace CarpetSlab

#endif // !defined(CARPETSLAB_MAPPING_HH)