1 #pragma once 2 3 /* MANSEC = DM */ 4 /* SUBMANSEC = DMPlex */ 5 6 /*E 7 DMPlexShape - The domain shape used for automatic mesh creation. 8 9 Values: 10 + `DM_SHAPE_BOX` - The tensor product of intervals in dimension d 11 . `DM_SHAPE_BOX_SURFACE` - The surface of a box in dimension d+1 12 . `DM_SHAPE_BALL` - The d-dimensional ball 13 . `DM_SHAPE_SPHERE` - The surface of the (d+1)-dimensional ball 14 . `DM_SHAPE_CYLINDER` - The tensor product of the interval and disk 15 . `DM_SHAPE_SCHWARZ_P` - The Schwarz-P triply periodic minimal surface 16 . `DM_SHAPE_GYROID` - The Gyroid triply periodic minimal surface 17 . `DM_SHAPE_DOUBLET` - The mesh of two cells of a specified type 18 . `DM_SHAPE_ANNULUS` - The area between two concentric spheres in dimension d 19 - `DM_SHAPE_HYPERCUBIC` - The skeleton of the tensor product of the intervals 20 21 Level: beginner 22 23 .seealso: [](ch_dmbase), `DMPLEX`, `DMPlexGetCellRefiner()`, `DMPlexSetCellRefiner()`, `DMRefine()`, `DMPolytopeType`, `DMPlexCoordMap` 24 E*/ 25 typedef enum { 26 DM_SHAPE_BOX, 27 DM_SHAPE_BOX_SURFACE, 28 DM_SHAPE_BALL, 29 DM_SHAPE_SPHERE, 30 DM_SHAPE_CYLINDER, 31 DM_SHAPE_SCHWARZ_P, 32 DM_SHAPE_GYROID, 33 DM_SHAPE_DOUBLET, 34 DM_SHAPE_ANNULUS, 35 DM_SHAPE_HYPERCUBIC, 36 DM_SHAPE_ZBOX, 37 DM_SHAPE_UNKNOWN 38 } DMPlexShape; 39 PETSC_EXTERN const char *const DMPlexShapes[]; 40 41 /*E 42 DMPlexCoordMap - The coordinate mapping used for automatic mesh creation. 43 44 Values: 45 + `DM_COORD_MAP_NONE` - The identity map 46 . `DM_COORD_MAP_SHEAR` - The shear (additive) map along some dimension 47 . `DM_COORD_MAP_FLARE` - The flare (multiplicative) map along some dimension 48 . `DM_COORD_MAP_ANNULUS` - The map from a rectangle to an annulus 49 - `DM_COORD_MAP_SHELL` - The map from a rectangular solid to an spherical shell 50 51 Level: beginner 52 53 .seealso: [](ch_dmbase), `DMPLEX`, `DMPlexGetCellRefiner()`, `DMPlexSetCellRefiner()`, `DMRefine()`, `DMPolytopeType`, `DMPlexShape` 54 E*/ 55 typedef enum { 56 DM_COORD_MAP_NONE, 57 DM_COORD_MAP_SHEAR, 58 DM_COORD_MAP_FLARE, 59 DM_COORD_MAP_ANNULUS, 60 DM_COORD_MAP_SHELL, 61 DM_COORD_MAP_UNKNOWN 62 } DMPlexCoordMap; 63 PETSC_EXTERN const char *const DMPlexCoordMaps[]; 64 65 /*E 66 DMPlexCSRAlgorithm - The algorithm for building the adjacency graph in CSR format, usually for a mesh partitioner 67 68 Values: 69 + `DM_PLEX_CSR_MAT` - Use `MatPartitioning` by first making a matrix 70 . `DM_PLEX_CSR_GRAPH` - Use the original `DMPLEX` and communicate along the boundary 71 - `DM_PLEX_CSR_OVERLAP` - Build an overlapped `DMPLEX` and then locally compute 72 73 Level: beginner 74 75 .seealso: [](ch_dmbase), `DMPLEX`, `DMPlexCreatePartitionerGraph()`, `PetscPartitionerDMPlexPartition()`, `DMPlexDistribute()` 76 E*/ 77 typedef enum { 78 DM_PLEX_CSR_MAT, 79 DM_PLEX_CSR_GRAPH, 80 DM_PLEX_CSR_OVERLAP 81 } DMPlexCSRAlgorithm; 82 PETSC_EXTERN const char *const DMPlexCSRAlgorithms[]; 83 84 typedef struct _n_DMPlexPointQueue *DMPlexPointQueue; 85 struct _n_DMPlexPointQueue { 86 PetscInt size; /* Size of the storage array */ 87 PetscInt *points; /* Array of mesh points */ 88 PetscInt front; /* Index of the front of the queue */ 89 PetscInt back; /* Index of the back of the queue */ 90 PetscInt num; /* Number of enqueued points */ 91 }; 92