diff options
Diffstat (limited to 'Carpet/CarpetSlab/src/mapping.cc')
| -rw-r--r-- | Carpet/CarpetSlab/src/mapping.cc | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/Carpet/CarpetSlab/src/mapping.cc b/Carpet/CarpetSlab/src/mapping.cc new file mode 100644 index 000000000..f4b4fd351 --- /dev/null +++ b/Carpet/CarpetSlab/src/mapping.cc @@ -0,0 +1,193 @@ +// $Header$ + +#include <cassert> + +#include "cctk.h" + +#include "util_Table.h" + +#include "carpet.hh" + +#include "mapping.hh" + + + +extern "C" { + static const char* rcsid = "$Header$"; + CCTK_FILEVERSION(Carpet_CarpetSlab_mapping_cc); +} + + + +namespace CarpetSlab { + + using namespace Carpet; + + + + int + StoreMapping (mapping * const mp) + { + int const table = Util_TableCreate (UTIL_TABLE_FLAGS_DEFAULT); + assert (table>=0); + int const ierr = Util_TableSetPointer (table, mp, "mapping"); + assert (ierr>=0); + return table; + } + + mapping * + RetrieveMapping (int const table) + { + CCTK_POINTER mp; + int const ierr = Util_TableGetPointer (table, &mp, "mapping"); + assert (ierr>=0); + return (mapping *)mp; + } + + void + DeleteMapping (int const table) + { + int const ierr = Util_TableDestroy (table); + assert (ierr>=0); + } + + + + 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) + { + CCTK_WARN (0, "not implemented"); + return 0; + } + + + + 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) + { + cGH const * const cctkGH = (cGH const *) cctkGH_; + + // Check arguments + assert (cctkGH); + assert (vindex>=0 && vindex<CCTK_NumVars()); + assert (hdim>=0 && hdim<=dim); + assert (direction); + assert (origin); + assert (extent); + // assert (downsample); + // assert (table_handle>=0); + assert (hsize); + + // Get more information + int const vdim = CCTK_GroupDimFromVarI (vindex); + assert (vdim>=0 && vdim<=dim); + assert (hdim<=vdim); + + // Not implemented + assert (! conversion_fn); + + // Allocate memory + mapping * mp = new mapping; + + // Calculate more convenient representation of the direction + vector<int> dirs(hdim); + for (int d=0; d<hdim; ++d) { + for (int dd=0; dd<vdim; ++dd) { + if (direction[d*vdim+dd]!=0) { + dirs[d] = dd+1; + goto found; + } + } + assert (0); + found:; + for (int dd=0; dd<vdim; ++dd) { + assert ((direction[d*vdim+dd]!=0) == (dirs[d]==dd+1)); + } + for (int dd=0; dd<d; ++dd) { + assert (dirs[dd] != dirs[d]); + } + } + + // Calculate lengths + vector<CCTK_INT> downsample(hdim); + for (int dd=0; dd<hdim; ++dd) { + downsample[dd] = downsample_ ? downsample_[dd] : 1; + if (extent[dd]<0) { + int gsh[dim]; + int ierr = CCTK_GroupgshVI(cctkGH, dim, gsh, vindex); + assert (!ierr); + const int totlen = gsh[dirs[dd]-1]; + assert (totlen>=0); + // Partial argument check + assert (origin[dirs[dd]-1]>=0); + assert (origin[dirs[dd]-1]<=totlen); + assert (downsample[dd]>0); + hsize[dd] = (totlen - origin[dirs[dd]-1]) / downsample[dd]; + } else { + hsize[dd] = extent[dd]; + } + assert (hsize[dd]>=0); + } + + // Store information + mp->vindex = vindex; + mp->hdim = hdim; + mp->origin.resize(vdim); + mp->dirs .resize(hdim); + mp->stride.resize(hdim); + mp->length.resize(hdim); + for (size_t d=0; d<(size_t)vdim; ++d) { + mp->origin[d] = origin[d]; + } + for (size_t d=0; d<(size_t)hdim; ++d) { + mp->dirs[d] = dirs[d]; + mp->stride[d] = downsample[d]; + mp->length[d] = hsize[d]; + } + + return StoreMapping (mp); + } + + + + CCTK_INT + CarpetSlab_FreeMapping (CCTK_INT const mapping_handle) + { + // Check arguments + assert (mapping_handle>=0); + + // Get mapping + mapping * mp = RetrieveMapping (mapping_handle); + assert (mp); + + // Delete storage + DeleteMapping (mapping_handle); + + delete mp; + + return 0; + } + + + +} // namespace CarpetSlab |