1 /* 2 DMForest, for parallel, hierarchically refined, distributed mesh problems. 3 */ 4 #if !defined(__PETSCDMFOREST_H) 5 #define __PETSCDMFOREST_H 6 7 #include <petscdm.h> 8 9 /*J 10 DMForestTopology - String with the name of a PETSc DMForest base mesh topology 11 12 Level: beginner 13 14 .seealso: DMForestSetType(), DMForest 15 J*/ 16 typedef const char* DMForestTopology; 17 18 /* Just a name for the shape of the domain */ 19 PETSC_EXTERN PetscErrorCode DMForestSetTopology(DM, DMForestTopology); 20 PETSC_EXTERN PetscErrorCode DMForestGetTopology(DM, DMForestTopology *); 21 22 /* this is the coarsest possible forest: can be any DM which we can 23 * convert to a DMForest (right now: plex) */ 24 PETSC_EXTERN PetscErrorCode DMForestSetBaseDM(DM, DM); 25 PETSC_EXTERN PetscErrorCode DMForestGetBaseDM(DM, DM *); 26 27 /* this is the forest from which we adapt */ 28 PETSC_EXTERN PetscErrorCode DMForestSetAdaptivityForest(DM, DM); 29 PETSC_EXTERN PetscErrorCode DMForestGetAdaptivityForest(DM, DM *); 30 31 /* what we consider adjacent, for the purposes of cell grading, overlap, etc. */ 32 PETSC_EXTERN PetscErrorCode DMForestSetAdjacencyDimension(DM, PetscInt); 33 PETSC_EXTERN PetscErrorCode DMForestGetAdjacencyDimension(DM, PetscInt *); 34 PETSC_EXTERN PetscErrorCode DMForestSetAdjacencyCodimension(DM, PetscInt); 35 PETSC_EXTERN PetscErrorCode DMForestGetAdjacencyCodimension(DM, PetscInt *); 36 37 PETSC_EXTERN PetscErrorCode DMForestSetPartitionOverlap(DM, PetscInt); 38 PETSC_EXTERN PetscErrorCode DMForestGetPartitionOverlap(DM, PetscInt *); 39 40 PETSC_EXTERN PetscErrorCode DMForestSetMinimumRefinement(DM, PetscInt); 41 PETSC_EXTERN PetscErrorCode DMForestGetMinimumRefinement(DM, PetscInt *); 42 43 PETSC_EXTERN PetscErrorCode DMForestSetMaximumRefinement(DM, PetscInt); 44 PETSC_EXTERN PetscErrorCode DMForestGetMaximumRefinement(DM, PetscInt *); 45 46 PETSC_EXTERN PetscErrorCode DMForestSetInitialRefinement(DM, PetscInt); 47 PETSC_EXTERN PetscErrorCode DMForestGetInitialRefinement(DM, PetscInt *); 48 49 PETSC_EXTERN PetscErrorCode DMForestGetCellChart(DM, PetscInt *, PetscInt *); 50 PETSC_EXTERN PetscErrorCode DMForestGetCellSF(DM, PetscSF *); 51 52 /* reserve some adaptivity types */ 53 enum {DM_FOREST_KEEP = 0, 54 DM_FOREST_REFINE, 55 DM_FOREST_COARSEN, 56 DM_FOREST_RESERVED_ADAPTIVITY_COUNT}; 57 58 /* flag each cell with an adaptivity count: should match the cell section */ 59 PETSC_EXTERN PetscErrorCode DMForestSetAdaptivityLabel(DM, const char *); 60 PETSC_EXTERN PetscErrorCode DMForestGetAdaptivityLabel(DM, const char **); 61 62 /*J 63 DMForestAdaptivityStrategy - String with the name of a PETSc DMForest adaptivity strategy 64 65 Level: intermediate 66 67 .seealso: DMForestSetType(), DMForest 68 J*/ 69 typedef const char* DMForestAdaptivityStrategy; 70 #define DMFORESTADAPTALL "all" 71 #define DMFORESTADAPTANY "any" 72 73 /* how to combine: -flags from multiple processes, 74 * -coarsen flags from multiple children 75 */ 76 PETSC_EXTERN PetscErrorCode DMForestSetAdaptivityStrategy(DM, DMForestAdaptivityStrategy); 77 PETSC_EXTERN PetscErrorCode DMForestGetAdaptivityStrategy(DM, DMForestAdaptivityStrategy *); 78 79 /* for a quadtree/octree mesh, this is the x:1 condition: 1 indicates a uniform mesh, 80 * 2 indicates typical 2:1, 81 */ 82 PETSC_EXTERN PetscErrorCode DMForestSetGradeFactor(DM, PetscInt); 83 PETSC_EXTERN PetscErrorCode DMForestGetGradeFactor(DM, PetscInt *); 84 85 /* weights for repartitioning */ 86 PETSC_EXTERN PetscErrorCode DMForestSetCellWeights(DM, PetscReal[], PetscCopyMode); 87 PETSC_EXTERN PetscErrorCode DMForestGetCellWeights(DM, PetscReal *[]); 88 89 /* weight multiplier for refinement level: useful for sub-cycling time steps */ 90 PETSC_EXTERN PetscErrorCode DMForestSetCellWeightFactor(DM, PetscReal); 91 PETSC_EXTERN PetscErrorCode DMForestGetCellWeightFactor(DM, PetscReal *); 92 93 /* this process's capacity when redistributing the cells */ 94 PETSC_EXTERN PetscErrorCode DMForestSetWeightCapacity(DM, PetscReal); 95 PETSC_EXTERN PetscErrorCode DMForestGetWeightCapacity(DM, PetscReal *); 96 97 PETSC_EXTERN PetscErrorCode DMForestSetFromOptions(DM); 98 PETSC_EXTERN PetscErrorCode DMForestSetUp(DM); 99 100 PETSC_EXTERN PetscErrorCode DMForestGetFineProjector(DM,Mat *); 101 PETSC_EXTERN PetscErrorCode DMForestGetCoarseRestrictor(DM,Mat *); 102 103 /* miscellaneous */ 104 PETSC_EXTERN PetscErrorCode DMForestTemplate(DM,MPI_Comm,DM*); 105 106 /* type management */ 107 PETSC_EXTERN PetscErrorCode DMForestRegisterType(DMType); 108 PETSC_EXTERN PetscErrorCode DMIsForest(DM,PetscBool*); 109 110 /* p4est */ 111 PETSC_EXTERN PetscErrorCode DMP4estGetPartitionForCoarsening(DM,PetscBool *); 112 PETSC_EXTERN PetscErrorCode DMP4estSetPartitionForCoarsening(DM,PetscBool); 113 PETSC_EXTERN PetscErrorCode DMP8estGetPartitionForCoarsening(DM,PetscBool *); 114 PETSC_EXTERN PetscErrorCode DMP8estSetPartitionForCoarsening(DM,PetscBool); 115 116 #endif 117