xref: /petsc/include/petscdmda.h (revision a64a8e0274a74be50e9a5e5243fa71ef16fcaf3e)
1 #if !defined(__PETSCDMDA_H)
2 #define __PETSCDMDA_H
3 
4 #include <petscdm.h>
5 #include <petscpf.h>
6 #include <petscao.h>
7 
8 /*E
9     DMDAStencilType - Determines if the stencil extends only along the coordinate directions, or also
10       to the northeast, northwest etc
11 
12    Level: beginner
13 
14 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDACreate()
15 E*/
16 typedef enum { DMDA_STENCIL_STAR,DMDA_STENCIL_BOX } DMDAStencilType;
17 
18 /*MC
19      DMDA_STENCIL_STAR - "Star"-type stencil. In logical grid coordinates, only (i,j,k), (i+s,j,k), (i,j+s,k),
20                        (i,j,k+s) are in the stencil  NOT, for example, (i+s,j+s,k)
21 
22      Level: beginner
23 
24 .seealso: DMDA_STENCIL_BOX, DMDAStencilType
25 M*/
26 
27 /*MC
28      DMDA_STENCIL_BOX - "Box"-type stencil. In logical grid coordinates, any of (i,j,k), (i+s,j+r,k+t) may
29                       be in the stencil.
30 
31      Level: beginner
32 
33 .seealso: DMDA_STENCIL_STAR, DMDAStencilType
34 M*/
35 
36 /*E
37     DMDABoundaryType - Describes the choice for fill of ghost cells on physical domain boundaries.
38 
39    Level: beginner
40 
41    A boundary may be of type DMDA_BOUNDARY_NONE (no ghost nodes), DMDA_BOUNDARY_GHOST (ghost nodes
42    exist but aren't filled, you can put values into them and then apply a stencil that uses those ghost locations),
43    DMDA_BOUNDARY_MIRROR (not yet implemented), or DMDA_BOUNDARY_PERIODIC
44    (ghost nodes filled by the opposite edge of the domain).
45 
46    Note: This is information for the boundary of the __PHYSICAL__ domain. It has nothing to do with boundaries between
47      processes, that width is always determined by the stencil width, see DMDASetStencilWidth().
48 
49 .seealso: DMDASetBoundaryType(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDACreate()
50 E*/
51 typedef enum { DMDA_BOUNDARY_NONE, DMDA_BOUNDARY_GHOSTED, DMDA_BOUNDARY_MIRROR, DMDA_BOUNDARY_PERIODIC } DMDABoundaryType;
52 
53 PETSC_EXTERN const char *const DMDABoundaryTypes[];
54 
55 /*E
56     DMDAInterpolationType - Defines the type of interpolation that will be returned by
57        DMCreateInterpolation.
58 
59    Level: beginner
60 
61 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMCreateInterpolation(), DMDASetInterpolationType(), DMDACreate()
62 E*/
63 typedef enum { DMDA_Q0, DMDA_Q1 } DMDAInterpolationType;
64 
65 PETSC_EXTERN PetscErrorCode DMDASetInterpolationType(DM,DMDAInterpolationType);
66 PETSC_EXTERN PetscErrorCode DMDAGetInterpolationType(DM,DMDAInterpolationType*);
67 
68 /*E
69     DMDAElementType - Defines the type of elements that will be returned by
70        DMDAGetElements()
71 
72    Level: beginner
73 
74 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMCreateInterpolation(), DMDASetInterpolationType(),
75           DMDASetElementType(), DMDAGetElements(), DMDARestoreElements(), DMDACreate()
76 E*/
77 typedef enum { DMDA_ELEMENT_P1, DMDA_ELEMENT_Q1 } DMDAElementType;
78 
79 PETSC_EXTERN PetscErrorCode DMDASetElementType(DM,DMDAElementType);
80 PETSC_EXTERN PetscErrorCode DMDAGetElementType(DM,DMDAElementType*);
81 PETSC_EXTERN PetscErrorCode DMDAGetElements(DM,PetscInt *,PetscInt *,const PetscInt*[]);
82 PETSC_EXTERN PetscErrorCode DMDARestoreElements(DM,PetscInt *,PetscInt *,const PetscInt*[]);
83 
84 typedef enum { DMDA_X,DMDA_Y,DMDA_Z } DMDADirection;
85 
86 #define MATSEQUSFFT        "sequsfft"
87 
88 PETSC_EXTERN PetscErrorCode DMDACreate(MPI_Comm,DM*);
89 PETSC_EXTERN PetscErrorCode DMDASetDim(DM,PetscInt);
90 PETSC_EXTERN PetscErrorCode DMDASetSizes(DM,PetscInt,PetscInt,PetscInt);
91 PETSC_EXTERN PetscErrorCode DMDACreate1d(MPI_Comm,DMDABoundaryType,PetscInt,PetscInt,PetscInt,const PetscInt[],DM *);
92 PETSC_EXTERN PetscErrorCode DMDACreate2d(MPI_Comm,DMDABoundaryType,DMDABoundaryType,DMDAStencilType,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],DM*);
93 PETSC_EXTERN PetscErrorCode DMDACreate3d(MPI_Comm,DMDABoundaryType,DMDABoundaryType,DMDABoundaryType,DMDAStencilType,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],DM*);
94 
95 PETSC_EXTERN PetscErrorCode DMDAGlobalToNaturalBegin(DM,Vec,InsertMode,Vec);
96 PETSC_EXTERN PetscErrorCode DMDAGlobalToNaturalEnd(DM,Vec,InsertMode,Vec);
97 PETSC_EXTERN PetscErrorCode DMDANaturalToGlobalBegin(DM,Vec,InsertMode,Vec);
98 PETSC_EXTERN PetscErrorCode DMDANaturalToGlobalEnd(DM,Vec,InsertMode,Vec);
99 PETSC_EXTERN PetscErrorCode DMDALocalToLocalBegin(DM,Vec,InsertMode,Vec);
100 PETSC_EXTERN PetscErrorCode DMDALocalToLocalEnd(DM,Vec,InsertMode,Vec);
101 PETSC_EXTERN PetscErrorCode DMDACreateNaturalVector(DM,Vec *);
102 
103 PETSC_EXTERN PetscErrorCode DMDAGetCorners(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
104 PETSC_EXTERN PetscErrorCode DMDAGetGhostCorners(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
105 PETSC_EXTERN PetscErrorCode DMDAGetInfo(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,DMDABoundaryType*,DMDABoundaryType*,DMDABoundaryType*,DMDAStencilType*);
106 PETSC_EXTERN PetscErrorCode DMDAGetProcessorSubset(DM,DMDADirection,PetscInt,MPI_Comm*);
107 PETSC_EXTERN PetscErrorCode DMDAGetProcessorSubsets(DM,DMDADirection,MPI_Comm*);
108 
109 PETSC_EXTERN PetscErrorCode DMDAGlobalToNaturalAllCreate(DM,VecScatter*);
110 PETSC_EXTERN PetscErrorCode DMDANaturalAllToGlobalCreate(DM,VecScatter*);
111 
112 PETSC_EXTERN PetscErrorCode DMDAGetGlobalIndices(DM,PetscInt*,PetscInt**);
113 
114 PETSC_EXTERN PetscErrorCode DMDAGetScatter(DM,VecScatter*,VecScatter*,VecScatter*);
115 PETSC_EXTERN PetscErrorCode DMDAGetNeighbors(DM,const PetscMPIInt**);
116 
117 PETSC_EXTERN PetscErrorCode DMDAGetAO(DM,AO*);
118 PETSC_EXTERN PetscErrorCode DMDASetUniformCoordinates(DM,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
119 PETSC_EXTERN PetscErrorCode DMDAGetBoundingBox(DM,PetscReal[],PetscReal[]);
120 PETSC_EXTERN PetscErrorCode DMDAGetLocalBoundingBox(DM,PetscReal[],PetscReal[]);
121 /* function to wrap coordinates around boundary */
122 PETSC_EXTERN PetscErrorCode DMDAMapCoordsToPeriodicDomain(DM,PetscScalar*,PetscScalar*);
123 
124 PETSC_EXTERN PetscErrorCode DMDAGetReducedDA(DM,PetscInt,DM*);
125 
126 PETSC_EXTERN PetscErrorCode DMDASetFieldName(DM,PetscInt,const char[]);
127 PETSC_EXTERN PetscErrorCode DMDAGetFieldName(DM,PetscInt,const char**);
128 
129 PETSC_EXTERN PetscErrorCode DMDASetBoundaryType(DM,DMDABoundaryType,DMDABoundaryType,DMDABoundaryType);
130 PETSC_EXTERN PetscErrorCode DMDASetDof(DM, PetscInt);
131 PETSC_EXTERN PetscErrorCode DMDASetOverlap(DM, PetscInt);
132 PETSC_EXTERN PetscErrorCode DMDAGetOffset(DM, PetscInt*,PetscInt*,PetscInt*);
133 PETSC_EXTERN PetscErrorCode DMDASetOffset(DM, PetscInt,PetscInt,PetscInt);
134 PETSC_EXTERN PetscErrorCode DMDASetStencilWidth(DM, PetscInt);
135 PETSC_EXTERN PetscErrorCode DMDASetOwnershipRanges(DM,const PetscInt[],const PetscInt[],const PetscInt[]);
136 PETSC_EXTERN PetscErrorCode DMDAGetOwnershipRanges(DM,const PetscInt**,const PetscInt**,const PetscInt**);
137 PETSC_EXTERN PetscErrorCode DMDASetNumProcs(DM, PetscInt, PetscInt, PetscInt);
138 PETSC_EXTERN PetscErrorCode DMDASetStencilType(DM, DMDAStencilType);
139 
140 PETSC_EXTERN PetscErrorCode DMDAVecGetArray(DM,Vec,void *);
141 PETSC_EXTERN PetscErrorCode DMDAVecRestoreArray(DM,Vec,void *);
142 
143 PETSC_EXTERN PetscErrorCode DMDAVecGetArrayDOF(DM,Vec,void *);
144 PETSC_EXTERN PetscErrorCode DMDAVecRestoreArrayDOF(DM,Vec,void *);
145 
146 PETSC_EXTERN PetscErrorCode DMDASplitComm2d(MPI_Comm,PetscInt,PetscInt,PetscInt,MPI_Comm*);
147 
148 /*S
149      DMDALocalInfo - C struct that contains information about a structured grid and a processors logical
150               location in it.
151 
152    Level: beginner
153 
154   Concepts: distributed array
155 
156   Developer note: Then entries in this struct are int instead of PetscInt so that the elements may
157                   be extracted in Fortran as if from an integer array
158 
159 .seealso:  DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDestroy(), DM, DMDAGetLocalInfo(), DMDAGetInfo()
160 S*/
161 typedef struct {
162   PetscInt         dim,dof,sw;
163   PetscInt         mx,my,mz;    /* global number of grid points in each direction */
164   PetscInt         xs,ys,zs;    /* starting point of this processor, excluding ghosts */
165   PetscInt         xm,ym,zm;    /* number of grid points on this processor, excluding ghosts */
166   PetscInt         gxs,gys,gzs;    /* starting point of this processor including ghosts */
167   PetscInt         gxm,gym,gzm;    /* number of grid points on this processor including ghosts */
168   DMDABoundaryType bx,by,bz; /* type of ghost nodes at boundary */
169   DMDAStencilType  st;
170   DM               da;
171 } DMDALocalInfo;
172 
173 /*MC
174       DMDAForEachPointBegin2d - Starts a loop over the local part of a two dimensional DMDA
175 
176    Synopsis:
177    void  DMDAForEachPointBegin2d(DALocalInfo *info,PetscInt i,PetscInt j);
178 
179    Not Collective
180 
181    Level: intermediate
182 
183 .seealso: DMDAForEachPointEnd2d(), DMDAVecGetArray()
184 M*/
185 #define DMDAForEachPointBegin2d(info,i,j) {\
186   PetscInt _xints = info->xs,_xinte = info->xs+info->xm,_yints = info->ys,_yinte = info->ys+info->ym;\
187   for (j=_yints; j<_yinte; j++) {\
188     for (i=_xints; i<_xinte; i++) {\
189 
190 /*MC
191       DMDAForEachPointEnd2d - Ends a loop over the local part of a two dimensional DMDA
192 
193    Synopsis:
194    void  DMDAForEachPointEnd2d;
195 
196    Not Collective
197 
198    Level: intermediate
199 
200 .seealso: DMDAForEachPointBegin2d(), DMDAVecGetArray()
201 M*/
202 #define DMDAForEachPointEnd2d }}}
203 
204 /*MC
205       DMDACoor2d - Structure for holding 2d (x and y) coordinates.
206 
207     Level: intermediate
208 
209     Sample Usage:
210       DMDACoor2d **coors;
211       Vec      vcoors;
212       DM       cda;
213 
214       DMGetCoordinates(da,&vcoors);
215       DMDAGetCoordinateDA(da,&cda);
216       DMDAVecGetArray(cda,vcoors,&coors);
217       DMDAGetCorners(cda,&mstart,&nstart,0,&m,&n,0)
218       for (i=mstart; i<mstart+m; i++) {
219         for (j=nstart; j<nstart+n; j++) {
220           x = coors[j][i].x;
221           y = coors[j][i].y;
222           ......
223         }
224       }
225       DMDAVecRestoreArray(dac,vcoors,&coors);
226 
227 .seealso: DMDACoor3d, DMDAForEachPointBegin(), DMDAGetCoordinateDA(), DMGetCoordinates(), DMDAGetGhostCoordinates()
228 M*/
229 typedef struct {PetscScalar x,y;} DMDACoor2d;
230 
231 /*MC
232       DMDACoor3d - Structure for holding 3d (x, y and z) coordinates.
233 
234     Level: intermediate
235 
236     Sample Usage:
237       DMDACoor3d ***coors;
238       Vec      vcoors;
239       DM       cda;
240 
241       DMGetCoordinates(da,&vcoors);
242       DMDAGetCoordinateDA(da,&cda);
243       DMDAVecGetArray(cda,vcoors,&coors);
244       DMDAGetCorners(cda,&mstart,&nstart,&pstart,&m,&n,&p)
245       for (i=mstart; i<mstart+m; i++) {
246         for (j=nstart; j<nstart+n; j++) {
247           for (k=pstart; k<pstart+p; k++) {
248             x = coors[k][j][i].x;
249             y = coors[k][j][i].y;
250             z = coors[k][j][i].z;
251           ......
252         }
253       }
254       DMDAVecRestoreArray(dac,vcoors,&coors);
255 
256 .seealso: DMDACoor2d, DMDAForEachPointBegin(), DMDAGetCoordinateDA(), DMGetCoordinates(), DMDAGetGhostCoordinates()
257 M*/
258 typedef struct {PetscScalar x,y,z;} DMDACoor3d;
259 
260 PETSC_EXTERN PetscErrorCode DMDAGetLocalInfo(DM,DMDALocalInfo*);
261 PETSC_EXTERN PetscErrorCode DMDAGetLocalBlockInfo(DM,DMDALocalInfo*);
262 PETSC_EXTERN PetscErrorCode DMDAComputeJacobian1WithAdic(DM,Vec,Mat,void*);
263 PETSC_EXTERN PetscErrorCode DMDAComputeJacobian1WithAdifor(DM,Vec,Mat,void*);
264 PETSC_EXTERN PetscErrorCode DMDAMultiplyByJacobian1WithAdic(DM,Vec,Vec,Vec,void*);
265 PETSC_EXTERN PetscErrorCode DMDAMultiplyByJacobian1WithAdifor(DM,Vec,Vec,Vec,void*);
266 PETSC_EXTERN PetscErrorCode DMDAMultiplyByJacobian1WithAD(DM,Vec,Vec,Vec,void*);
267 PETSC_EXTERN PetscErrorCode DMDAComputeJacobian1(DM,Vec,Mat,void*);
268 
269 PETSC_EXTERN PetscErrorCode MatRegisterDAAD(void);
270 PETSC_EXTERN PetscErrorCode MatCreateDAAD(DM,Mat*);
271 PETSC_EXTERN PetscErrorCode MatCreateSeqUSFFT(Vec,DM,Mat*);
272 
273 PETSC_EXTERN PetscErrorCode DMDASetGetMatrix(DM,PetscErrorCode (*)(DM, MatType,Mat *));
274 PETSC_EXTERN PetscErrorCode DMDASetBlockFills(DM,PetscInt*,PetscInt*);
275 PETSC_EXTERN PetscErrorCode DMDASetRefinementFactor(DM,PetscInt,PetscInt,PetscInt);
276 PETSC_EXTERN PetscErrorCode DMDAGetRefinementFactor(DM,PetscInt*,PetscInt*,PetscInt*);
277 
278 PETSC_EXTERN PetscErrorCode DMDAGetAdicArray(DM,PetscBool ,void*,void*,PetscInt*);
279 PETSC_EXTERN PetscErrorCode DMDARestoreAdicArray(DM,PetscBool ,void*,void*,PetscInt*);
280 PETSC_EXTERN PetscErrorCode DMDAGetAdicMFArray(DM,PetscBool ,void*,void*,PetscInt*);
281 PETSC_EXTERN PetscErrorCode DMDAGetAdicMFArray4(DM,PetscBool ,void*,void*,PetscInt*);
282 PETSC_EXTERN PetscErrorCode DMDAGetAdicMFArray9(DM,PetscBool ,void*,void*,PetscInt*);
283 PETSC_EXTERN PetscErrorCode DMDAGetAdicMFArrayb(DM,PetscBool ,void*,void*,PetscInt*);
284 PETSC_EXTERN PetscErrorCode DMDARestoreAdicMFArray(DM,PetscBool ,void*,void*,PetscInt*);
285 PETSC_EXTERN PetscErrorCode DMDAGetArray(DM,PetscBool ,void*);
286 PETSC_EXTERN PetscErrorCode DMDARestoreArray(DM,PetscBool ,void*);
287 PETSC_EXTERN PetscErrorCode ad_DAGetArray(DM,PetscBool ,void*);
288 PETSC_EXTERN PetscErrorCode ad_DARestoreArray(DM,PetscBool ,void*);
289 PETSC_EXTERN PetscErrorCode admf_DAGetArray(DM,PetscBool ,void*);
290 PETSC_EXTERN PetscErrorCode admf_DARestoreArray(DM,PetscBool ,void*);
291 
292 PETSC_EXTERN PetscErrorCode DMDACreatePF(DM,PF*);
293 
294 PETSC_EXTERN PetscErrorCode DMDAGetNumCells(DM, PetscInt *);
295 PETSC_EXTERN PetscErrorCode DMDAGetNumVertices(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
296 PETSC_EXTERN PetscErrorCode DMDAGetNumFaces(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
297 PETSC_EXTERN PetscErrorCode DMDAGetHeightStratum(DM, PetscInt, PetscInt *, PetscInt *);
298 PETSC_EXTERN PetscErrorCode DMDACreateSection(DM, PetscInt[], PetscInt[], PetscInt[], PetscInt[]);
299 PETSC_EXTERN PetscErrorCode DMDAComputeCellGeometry(DM, PetscInt, PetscQuadrature *, PetscReal [], PetscReal [], PetscReal [], PetscReal []);
300 PETSC_EXTERN PetscErrorCode DMDAVecGetClosure(DM, PetscSection, Vec, PetscInt, const PetscScalar **);
301 PETSC_EXTERN PetscErrorCode DMDAVecSetClosure(DM, PetscSection, Vec, PetscInt, const PetscScalar *, InsertMode);
302 PETSC_EXTERN PetscErrorCode DMDAGetClosure(DM,PetscSection,PetscInt,PetscInt*,const PetscInt**);
303 PETSC_EXTERN PetscErrorCode DMDARestoreClosure(DM,PetscSection,PetscInt,PetscInt*,const PetscInt**);
304 PETSC_EXTERN PetscErrorCode DMDAGetClosureScalar(DM,PetscSection,PetscInt,PetscScalar*,const PetscScalar**);
305 PETSC_EXTERN PetscErrorCode DMDARestoreClosureScalar(DM,PetscSection,PetscInt,PetscScalar*,const PetscScalar**);
306 PETSC_EXTERN PetscErrorCode DMDASetClosureScalar(DM,PetscSection,PetscInt,PetscScalar*,const PetscScalar*,InsertMode);
307 PETSC_EXTERN PetscErrorCode DMDAConvertToCell(DM, MatStencil, PetscInt *);
308 
309 #endif
310