xref: /petsc/include/petscdmstag.h (revision c3b34e8a033ac2eae760bfa25d5dd353c7b9f646)
1 #pragma once
2 
3 #include <petscdm.h>
4 #include <petscdmproduct.h>
5 
6 /* SUBMANSEC = DMStag */
7 
8 /*E
9   DMStagStencilLocation - enumerated type denoting a location relative to an element in a `DMSTAG` grid
10 
11   The interpretation of these values is dimension-dependent.
12 
13   Level: beginner
14 
15   Developer Note:
16    The order of the enum entries is significant, as it corresponds to the canonical numbering
17    of DOFs, and the fact that the numbering starts at 0 may also be used by the implementation.
18 
19 .seealso: [](ch_stag), `DMSTAG`, `DMDA`, `DMStagStencil`, `DMStagGetLocationSlot()`, `DMStagStencilType`
20 E*/
21 typedef enum {
22   DMSTAG_NULL_LOCATION = 0,
23   DMSTAG_BACK_DOWN_LEFT,
24   DMSTAG_BACK_DOWN,
25   DMSTAG_BACK_DOWN_RIGHT,
26   DMSTAG_BACK_LEFT,
27   DMSTAG_BACK,
28   DMSTAG_BACK_RIGHT,
29   DMSTAG_BACK_UP_LEFT,
30   DMSTAG_BACK_UP,
31   DMSTAG_BACK_UP_RIGHT,
32   DMSTAG_DOWN_LEFT,
33   DMSTAG_DOWN,
34   DMSTAG_DOWN_RIGHT,
35   DMSTAG_LEFT,
36   DMSTAG_ELEMENT,
37   DMSTAG_RIGHT,
38   DMSTAG_UP_LEFT,
39   DMSTAG_UP,
40   DMSTAG_UP_RIGHT,
41   DMSTAG_FRONT_DOWN_LEFT,
42   DMSTAG_FRONT_DOWN,
43   DMSTAG_FRONT_DOWN_RIGHT,
44   DMSTAG_FRONT_LEFT,
45   DMSTAG_FRONT,
46   DMSTAG_FRONT_RIGHT,
47   DMSTAG_FRONT_UP_LEFT,
48   DMSTAG_FRONT_UP,
49   DMSTAG_FRONT_UP_RIGHT
50 } DMStagStencilLocation;
51 PETSC_EXTERN const char *const DMStagStencilLocations[]; /* Corresponding strings (see stagstencil.c) */
52 
53 /*S
54   DMStagStencil - data structure representing a degree of freedom on a `DMSTAG` grid
55 
56   Data structure (C struct), analogous to describing a degree of freedom associated with a `DMSTAG` object,
57   in terms of a global element index in each of up to three directions, a "location" as defined by `DMStagStencilLocation`,
58   and a component number. Primarily for use with `DMStagMatSetValuesStencil()` (compare with use of `MatStencil` with `MatSetValuesStencil()`).
59 
60   Level: beginner
61 
62   Note:
63   The component (c) field must always be set, even if there is a single component at a given location (in which case c should be set to 0).
64 
65 .seealso: [](ch_stag), `DMSTAG`, `DMDA`, `DMStagMatSetValuesStencil()`, `DMStagVecSetValuesStencil()`, `DMStagStencilLocation`, `DMStagSetStencilWidth()`,
66           `DMStagSetStencilType()`, `DMStagVecGetValuesStencil()`, `DMStagStencilLocation`
67 S*/
68 typedef struct {
69   DMStagStencilLocation loc;
70   PetscInt              i, j, k, c;
71 } DMStagStencil;
72 
73 /*E
74   DMStagStencilType - Elementwise stencil type, determining which neighbors participate in communication
75 
76   Level: beginner
77 
78 .seealso: [](ch_stag), `DMSTAG`, `DMDA`, `DMStagCreate1d()`, `DMStagCreate2d()`, `DMStagCreate3d()`, `DMStagStencil`, `DMDAStencilType`, `DMStagStencilLocation`
79 E*/
80 
81 typedef enum {
82   DMSTAG_STENCIL_NONE = 0,
83   DMSTAG_STENCIL_STAR,
84   DMSTAG_STENCIL_BOX
85 } DMStagStencilType;
86 PETSC_EXTERN const char *const DMStagStencilTypes[]; /* Corresponding strings (see stagstencil.c) */
87 
88 PETSC_EXTERN PetscErrorCode DMCreate_Stag(DM);
89 PETSC_EXTERN PetscErrorCode DMStagCreate1d(MPI_Comm, DMBoundaryType, PetscInt, PetscInt, PetscInt, DMStagStencilType, PetscInt, const PetscInt[], DM *);
90 PETSC_EXTERN PetscErrorCode DMStagCreate2d(MPI_Comm, DMBoundaryType, DMBoundaryType, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, DMStagStencilType, PetscInt, const PetscInt[], const PetscInt[], DM *);
91 PETSC_EXTERN PetscErrorCode DMStagCreate3d(MPI_Comm, DMBoundaryType, DMBoundaryType, DMBoundaryType, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, DMStagStencilType, PetscInt, const PetscInt[], const PetscInt[], const PetscInt[], DM *);
92 PETSC_EXTERN PetscErrorCode DMStagCreateCompatibleDMStag(DM, PetscInt, PetscInt, PetscInt, PetscInt, DM *);
93 PETSC_EXTERN PetscErrorCode DMStagCreateISFromStencils(DM, PetscInt, DMStagStencil *, IS *);
94 PETSC_EXTERN PetscErrorCode DMStagGetBoundaryTypes(DM, DMBoundaryType *, DMBoundaryType *, DMBoundaryType *);
95 PETSC_EXTERN PetscErrorCode DMStagGetCorners(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
96 PETSC_EXTERN PetscErrorCode DMStagGetDOF(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
97 PETSC_EXTERN PetscErrorCode DMStagGetEntries(DM, PetscInt *);
98 PETSC_EXTERN PetscErrorCode DMStagGetEntriesLocal(DM, PetscInt *);
99 PETSC_EXTERN PetscErrorCode DMStagGetEntriesPerElement(DM, PetscInt *);
100 PETSC_EXTERN PetscErrorCode DMStagGetGhostCorners(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
101 PETSC_EXTERN PetscErrorCode DMStagGetGlobalSizes(DM, PetscInt *, PetscInt *, PetscInt *);
102 PETSC_EXTERN PetscErrorCode DMStagGetIsFirstRank(DM, PetscBool *, PetscBool *, PetscBool *);
103 PETSC_EXTERN PetscErrorCode DMStagGetIsLastRank(DM, PetscBool *, PetscBool *, PetscBool *);
104 PETSC_EXTERN PetscErrorCode DMStagGetLocalSizes(DM, PetscInt *, PetscInt *, PetscInt *);
105 PETSC_EXTERN PetscErrorCode DMStagGetLocationDOF(DM, DMStagStencilLocation, PetscInt *);
106 PETSC_EXTERN PetscErrorCode DMStagGetLocationSlot(DM, DMStagStencilLocation, PetscInt, PetscInt *);
107 PETSC_EXTERN PetscErrorCode DMStagGetNumRanks(DM, PetscInt *, PetscInt *, PetscInt *);
108 PETSC_EXTERN PetscErrorCode DMStagGetOwnershipRanges(DM, const PetscInt **, const PetscInt **, const PetscInt **);
109 PETSC_EXTERN PetscErrorCode DMStagGetProductCoordinateArrays(DM, void *, void *, void *);
110 PETSC_EXTERN PetscErrorCode DMStagGetProductCoordinateArraysRead(DM, void *, void *, void *);
111 PETSC_EXTERN PetscErrorCode DMStagGetProductCoordinateLocationSlot(DM, DMStagStencilLocation, PetscInt *);
112 PETSC_EXTERN PetscErrorCode DMStagGetStencilType(DM, DMStagStencilType *);
113 PETSC_EXTERN PetscErrorCode DMStagGetStencilWidth(DM, PetscInt *);
114 PETSC_EXTERN PetscErrorCode DMStagMatGetValuesStencil(DM, Mat, PetscInt, const DMStagStencil *, PetscInt, const DMStagStencil *, PetscScalar *);
115 PETSC_EXTERN PetscErrorCode DMStagMatSetValuesStencil(DM, Mat, PetscInt, const DMStagStencil *, PetscInt, const DMStagStencil *, const PetscScalar *, InsertMode);
116 PETSC_EXTERN PetscErrorCode DMStagMigrateVec(DM, Vec, DM, Vec);
117 PETSC_EXTERN PetscErrorCode DMStagPopulateLocalToGlobalInjective(DM);
118 PETSC_EXTERN PetscErrorCode DMStagRestoreProductCoordinateArrays(DM, void *, void *, void *);
119 PETSC_EXTERN PetscErrorCode DMStagRestoreProductCoordinateArraysRead(DM, void *, void *, void *);
120 PETSC_EXTERN PetscErrorCode DMStagRestrictSimple(DM, Vec, DM, Vec);
121 PETSC_EXTERN PetscErrorCode DMStagSetBoundaryTypes(DM, DMBoundaryType, DMBoundaryType, DMBoundaryType);
122 PETSC_EXTERN PetscErrorCode DMStagSetCoordinateDMType(DM, DMType);
123 PETSC_EXTERN PetscErrorCode DMStagSetDOF(DM, PetscInt, PetscInt, PetscInt, PetscInt);
124 PETSC_EXTERN PetscErrorCode DMStagSetGlobalSizes(DM, PetscInt, PetscInt, PetscInt);
125 PETSC_EXTERN PetscErrorCode DMStagSetNumRanks(DM, PetscInt, PetscInt, PetscInt);
126 PETSC_EXTERN PetscErrorCode DMStagSetOwnershipRanges(DM, PetscInt const *, PetscInt const *, PetscInt const *);
127 PETSC_EXTERN PetscErrorCode DMStagSetStencilType(DM, DMStagStencilType);
128 PETSC_EXTERN PetscErrorCode DMStagSetStencilWidth(DM, PetscInt);
129 PETSC_EXTERN PetscErrorCode DMStagSetUniformCoordinates(DM, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal);
130 PETSC_EXTERN PetscErrorCode DMStagSetUniformCoordinatesExplicit(DM, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal);
131 PETSC_EXTERN PetscErrorCode DMStagSetUniformCoordinatesProduct(DM, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal);
132 PETSC_EXTERN PetscErrorCode DMStagStencilToIndexLocal(DM, PetscInt, PetscInt, const DMStagStencil *, PetscInt *);
133 PETSC_EXTERN PetscErrorCode DMStagVecGetArray(DM, Vec, void *);
134 PETSC_EXTERN PetscErrorCode DMStagVecGetArrayRead(DM, Vec, void *);
135 PETSC_EXTERN PetscErrorCode DMStagVecGetValuesStencil(DM, Vec, PetscInt, const DMStagStencil *, PetscScalar *);
136 PETSC_EXTERN PetscErrorCode DMStagVecRestoreArray(DM, Vec, void *);
137 PETSC_EXTERN PetscErrorCode DMStagVecRestoreArrayRead(DM, Vec, void *);
138 PETSC_EXTERN PetscErrorCode DMStagVecSetValuesStencil(DM, Vec, PetscInt, const DMStagStencil *, const PetscScalar *, InsertMode);
139 PETSC_EXTERN PetscErrorCode DMStagVecSplitToDMDA(DM, Vec, DMStagStencilLocation, PetscInt, DM *, Vec *);
140 
141 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagGetProductCoordinateArraysRead()", ) static inline PetscErrorCode DMStagGet1dCoordinateArraysDOFRead(DM dm, void *ax, void *ay, void *az)
142 {
143   return DMStagGetProductCoordinateArraysRead(dm, ax, ay, az);
144 }
145 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagGetProductCoordinateLocationSlot()", ) static inline PetscErrorCode DMStagGet1dCoordinateLocationSlot(DM dm, DMStagStencilLocation loc, PetscInt *s)
146 {
147   return DMStagGetProductCoordinateLocationSlot(dm, loc, s);
148 }
149 PETSC_DEPRECATED_FUNCTION(3, 11, 0, "DMStagGetStencilType()", ) static inline PetscErrorCode DMStagGetGhostType(DM dm, DMStagStencilType *s)
150 {
151   return DMStagGetStencilType(dm, s);
152 }
153 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagRestoreProductCoordinateArraysRead()", ) static inline PetscErrorCode DMStagRestore1dCoordinateArraysDOFRead(DM dm, void *ax, void *ay, void *az)
154 {
155   return DMStagRestoreProductCoordinateArraysRead(dm, ax, ay, az);
156 }
157 PETSC_DEPRECATED_FUNCTION(3, 11, 0, "DMStagSetStencilType()", ) static inline PetscErrorCode DMStagSetGhostType(DM dm, DMStagStencilType *s)
158 {
159   return DMStagGetStencilType(dm, s);
160 }
161 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagVecGetArray()", ) static inline PetscErrorCode DMStagVecGetArrayDOF(DM dm, Vec v, void *a)
162 {
163   return DMStagVecGetArray(dm, v, a);
164 }
165 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagVecGetArrayRead()", ) static inline PetscErrorCode DMStagVecGetArrayDOFRead(DM dm, Vec v, void *a)
166 {
167   return DMStagVecGetArrayRead(dm, v, a);
168 }
169 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagVecRestoreArray()", ) static inline PetscErrorCode DMStagVecRestoreArrayDOF(DM dm, Vec v, void *a)
170 {
171   return DMStagVecRestoreArray(dm, v, a);
172 }
173 PETSC_DEPRECATED_FUNCTION(3, 13, 0, "DMStagVecRestoreArrayRead()", ) static inline PetscErrorCode DMStagVecRestoreArrayDOFRead(DM dm, Vec v, void *a)
174 {
175   return DMStagVecRestoreArrayRead(dm, v, a);
176 }
177