13a19ef87SMatthew G Knepley /* 23a19ef87SMatthew G Knepley DMPatch, for domains covered by sets of patches. 33a19ef87SMatthew G Knepley */ 426bd1501SBarry Smith #if !defined(PETSCDMPATCH_H) 526bd1501SBarry Smith #define PETSCDMPATCH_H 6ac09b921SBarry Smith 73a19ef87SMatthew G Knepley #include <petscdm.h> 83a19ef87SMatthew G Knepley 9ac09b921SBarry Smith /* SUBMANSEC = DMPatch */ 10ac09b921SBarry Smith 113a19ef87SMatthew G Knepley /*S 123a19ef87SMatthew G Knepley DMPATCH - DM object that encapsulates a domain divided into many patches 133a19ef87SMatthew G Knepley 143a19ef87SMatthew G Knepley Level: intermediate 153a19ef87SMatthew G Knepley 16*87497f52SBarry Smith .seealso: `DM`, `DMPatchCreate()`, `DMPatchSolve()`, `DMPatchZoom()`, `DMPatchGetPatchSize()`, `DMPatchSetPatchSize()`, 17*87497f52SBarry Smith `DMPatchGetCommSize()`, `DMPatchSetCommSize()`, `DMPatchGetCoarse()`, `DMPatchCreateGrid()` 183a19ef87SMatthew G Knepley S*/ 193a19ef87SMatthew G Knepley PETSC_EXTERN PetscErrorCode DMPatchCreate(MPI_Comm, DM*); 203a19ef87SMatthew G Knepley 2160c22052SBarry Smith PETSC_EXTERN PetscErrorCode DMPatchZoom(DM,MatStencil,MatStencil,MPI_Comm,DM*,PetscSF*,PetscSF*); 226fbb21edSJed Brown PETSC_EXTERN PetscErrorCode DMPatchSolve(DM); 236fbb21edSJed Brown PETSC_EXTERN PetscErrorCode DMPatchGetPatchSize(DM,MatStencil*); 246fbb21edSJed Brown PETSC_EXTERN PetscErrorCode DMPatchSetPatchSize(DM,MatStencil); 25bb71ef15SMatthew G Knepley PETSC_EXTERN PetscErrorCode DMPatchGetCommSize(DM,MatStencil*); 26bb71ef15SMatthew G Knepley PETSC_EXTERN PetscErrorCode DMPatchSetCommSize(DM,MatStencil); 276fbb21edSJed Brown PETSC_EXTERN PetscErrorCode DMPatchGetCoarse(DM,DM*); 28bb71ef15SMatthew G Knepley PETSC_EXTERN PetscErrorCode DMPatchCreateGrid(MPI_Comm,PetscInt,MatStencil,MatStencil,MatStencil,DM*); 296fbb21edSJed Brown 303a19ef87SMatthew G Knepley /* 313a19ef87SMatthew G Knepley * We want each patch to consist of an entire DM, DMDA at first 323a19ef87SMatthew G Knepley - We cannot afford to store much more than the data from a single patch in memory 333a19ef87SMatthew G Knepley - No global PetscSection, only PetscLayout 343a19ef87SMatthew G Knepley - Optional scatters 353a19ef87SMatthew G Knepley * There is a storable coarse level, which will also be a traditional DM (DMDA here) 363a19ef87SMatthew G Knepley * The local and global vectors correspond to a ghosted patch 373a19ef87SMatthew G Knepley * Need a way to activate a patch 383a19ef87SMatthew G Knepley * Jack in sizes for l/g vectors 393a19ef87SMatthew G Knepley - Need routine for viewing a full global vector 403a19ef87SMatthew G Knepley - Jed handles solver 413a19ef87SMatthew G Knepley */ 423a19ef87SMatthew G Knepley 433a19ef87SMatthew G Knepley #endif 44