xref: /petsc/include/petscdmda.h (revision 84df9cb40eca90ea9b18a456fab7a4ecc7f6c1a4)
1 #if !defined(__PETSCDMDA_H)
2 #define __PETSCDMDA_H
3 
4 #include "petscdm.h"
5 #include "petscpf.h"
6 #include "petscao.h"
7 PETSC_EXTERN_CXX_BEGIN
8 
9 /*E
10     DMDAStencilType - Determines if the stencil extends only along the coordinate directions, or also
11       to the northeast, northwest etc
12 
13    Level: beginner
14 
15 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDACreate()
16 E*/
17 typedef enum { DMDA_STENCIL_STAR,DMDA_STENCIL_BOX } DMDAStencilType;
18 
19 /*MC
20      DMDA_STENCIL_STAR - "Star"-type stencil. In logical grid coordinates, only (i,j,k), (i+s,j,k), (i,j+s,k),
21                        (i,j,k+s) are in the stencil  NOT, for example, (i+s,j+s,k)
22 
23      Level: beginner
24 
25 .seealso: DMDA_STENCIL_BOX, DMDAStencilType
26 M*/
27 
28 /*MC
29      DMDA_STENCIL_BOX - "Box"-type stencil. In logical grid coordinates, any of (i,j,k), (i+s,j+r,k+t) may
30                       be in the stencil.
31 
32      Level: beginner
33 
34 .seealso: DMDA_STENCIL_STAR, DMDAStencilType
35 M*/
36 
37 /*E
38     DMDABoundaryType - Describes the choice for fill of ghost cells on domain boundaries.
39 
40    Level: beginner
41 
42    A boundary may be of type DMDA_BOUNDARY_NONE (no ghost nodes), DMDA_BOUNDARY_GHOST (ghost nodes
43    exist but aren't filled), DMDA_BOUNDARY_MIRROR (not yet implemented), or DMDA_BOUNDARY_PERIODIC
44    (ghost nodes filled by the opposite edge of the domain).
45 
46 .seealso: DMDASetBoundaryType(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDACreate()
47 E*/
48 typedef enum { DMDA_BOUNDARY_NONE, DMDA_BOUNDARY_GHOSTED, DMDA_BOUNDARY_MIRROR, DMDA_BOUNDARY_PERIODIC } DMDABoundaryType;
49 
50 extern const char *DMDABoundaryTypes[];
51 
52 /*E
53     DMDAInterpolationType - Defines the type of interpolation that will be returned by
54        DMGetInterpolation.
55 
56    Level: beginner
57 
58 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMGetInterpolation(), DMDASetInterpolationType(), DMDACreate()
59 E*/
60 typedef enum { DMDA_Q0, DMDA_Q1 } DMDAInterpolationType;
61 
62 extern PetscErrorCode   DMDASetInterpolationType(DM,DMDAInterpolationType);
63 extern PetscErrorCode   DMDAGetInterpolationType(DM,DMDAInterpolationType*);
64 
65 /*E
66     DMDAElementType - Defines the type of elements that will be returned by
67        DMDAGetElements()
68 
69    Level: beginner
70 
71 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMGetInterpolation(), DMDASetInterpolationType(),
72           DMDASetElementType(), DMDAGetElements(), DMDARestoreElements(), DMDACreate()
73 E*/
74 typedef enum { DMDA_ELEMENT_P1, DMDA_ELEMENT_Q1 } DMDAElementType;
75 
76 extern PetscErrorCode   DMDASetElementType(DM,DMDAElementType);
77 extern PetscErrorCode   DMDAGetElementType(DM,DMDAElementType*);
78 extern PetscErrorCode   DMDAGetElements(DM,PetscInt *,PetscInt *,const PetscInt*[]);
79 extern PetscErrorCode   DMDARestoreElements(DM,PetscInt *,PetscInt *,const PetscInt*[]);
80 
81 typedef enum { DMDA_X,DMDA_Y,DMDA_Z } DMDADirection;
82 
83 #define MATSEQUSFFT        "sequsfft"
84 
85 extern PetscErrorCode  DMDACreate(MPI_Comm,DM*);
86 extern PetscErrorCode  DMDASetDim(DM,PetscInt);
87 extern PetscErrorCode  DMDASetSizes(DM,PetscInt,PetscInt,PetscInt);
88 extern PetscErrorCode     DMDACreate1d(MPI_Comm,DMDABoundaryType,PetscInt,PetscInt,PetscInt,const PetscInt[],DM *);
89 extern PetscErrorCode     DMDACreate2d(MPI_Comm,DMDABoundaryType,DMDABoundaryType,DMDAStencilType,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],DM*);
90 extern PetscErrorCode     DMDACreate3d(MPI_Comm,DMDABoundaryType,DMDABoundaryType,DMDABoundaryType,DMDAStencilType,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],DM*);
91 
92 extern PetscErrorCode     DMDAGlobalToNaturalBegin(DM,Vec,InsertMode,Vec);
93 extern PetscErrorCode     DMDAGlobalToNaturalEnd(DM,Vec,InsertMode,Vec);
94 extern PetscErrorCode     DMDANaturalToGlobalBegin(DM,Vec,InsertMode,Vec);
95 extern PetscErrorCode     DMDANaturalToGlobalEnd(DM,Vec,InsertMode,Vec);
96 extern PetscErrorCode     DMDALocalToLocalBegin(DM,Vec,InsertMode,Vec);
97 extern PetscErrorCode     DMDALocalToLocalEnd(DM,Vec,InsertMode,Vec);
98 extern PetscErrorCode     DMDACreateNaturalVector(DM,Vec *);
99 
100 extern PetscErrorCode     DMDAGetCorners(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
101 extern PetscErrorCode     DMDAGetGhostCorners(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
102 extern PetscErrorCode     DMDAGetInfo(DM,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,DMDABoundaryType*,DMDABoundaryType*,DMDABoundaryType*,DMDAStencilType*);
103 extern PetscErrorCode     DMDAGetProcessorSubset(DM,DMDADirection,PetscInt,MPI_Comm*);
104 extern PetscErrorCode     DMDAGetProcessorSubsets(DM,DMDADirection,MPI_Comm*);
105 
106 extern PetscErrorCode     DMDAGlobalToNaturalAllCreate(DM,VecScatter*);
107 extern PetscErrorCode     DMDANaturalAllToGlobalCreate(DM,VecScatter*);
108 
109 extern PetscErrorCode     DMDAGetGlobalIndices(DM,PetscInt*,PetscInt**);
110 
111 extern PetscErrorCode     DMDAGetScatter(DM,VecScatter*,VecScatter*,VecScatter*);
112 extern PetscErrorCode     DMDAGetNeighbors(DM,const PetscMPIInt**);
113 
114 extern PetscErrorCode     DMDAGetAO(DM,AO*);
115 extern PetscErrorCode     DMDASetCoordinates(DM,Vec);
116 extern PetscErrorCode     DMDASetGhostedCoordinates(DM,Vec);
117 extern PetscErrorCode     DMDAGetCoordinates(DM,Vec *);
118 extern PetscErrorCode     DMDAGetGhostedCoordinates(DM,Vec *);
119 extern PetscErrorCode     DMDAGetCoordinateDA(DM,DM *);
120 extern PetscErrorCode     DMDASetUniformCoordinates(DM,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
121 extern PetscErrorCode     DMDAGetBoundingBox(DM,PetscReal[],PetscReal[]);
122 extern PetscErrorCode     DMDAGetLocalBoundingBox(DM,PetscReal[],PetscReal[]);
123 /* function to wrap coordinates around boundary */
124 extern PetscErrorCode     DMDAMapCoordsToPeriodicDomain(DM,PetscScalar*,PetscScalar*);
125 
126 extern PetscErrorCode     DMDAGetReducedDA(DM,PetscInt,DM*);
127 
128 extern PetscErrorCode     DMDASetFieldName(DM,PetscInt,const char[]);
129 extern PetscErrorCode     DMDAGetFieldName(DM,PetscInt,const char**);
130 
131 extern PetscErrorCode  DMDASetBoundaryType(DM,DMDABoundaryType,DMDABoundaryType,DMDABoundaryType);
132 extern PetscErrorCode  DMDASetDof(DM, PetscInt);
133 extern PetscErrorCode  DMDASetStencilWidth(DM, PetscInt);
134 extern PetscErrorCode  DMDASetOwnershipRanges(DM,const PetscInt[],const PetscInt[],const PetscInt[]);
135 extern PetscErrorCode  DMDAGetOwnershipRanges(DM,const PetscInt**,const PetscInt**,const PetscInt**);
136 extern PetscErrorCode  DMDASetNumProcs(DM, PetscInt, PetscInt, PetscInt);
137 extern PetscErrorCode  DMDASetStencilType(DM, DMDAStencilType);
138 
139 extern PetscErrorCode     DMDAVecGetArray(DM,Vec,void *);
140 extern PetscErrorCode     DMDAVecRestoreArray(DM,Vec,void *);
141 
142 extern PetscErrorCode     DMDAVecGetArrayDOF(DM,Vec,void *);
143 extern PetscErrorCode     DMDAVecRestoreArrayDOF(DM,Vec,void *);
144 
145 extern PetscErrorCode     DMDASplitComm2d(MPI_Comm,PetscInt,PetscInt,PetscInt,MPI_Comm*);
146 
147 /*S
148      DMDALocalInfo - C struct that contains information about a structured grid and a processors logical
149               location in it.
150 
151    Level: beginner
152 
153   Concepts: distributed array
154 
155   Developer note: Then entries in this struct are int instead of PetscInt so that the elements may
156                   be extracted in Fortran as if from an integer array
157 
158 .seealso:  DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDestroy(), DM, DMDAGetLocalInfo(), DMDAGetInfo()
159 S*/
160 typedef struct {
161   PetscInt       dim,dof,sw;
162   PetscInt       mx,my,mz;    /* global number of grid points in each direction */
163   PetscInt       xs,ys,zs;    /* starting point of this processor, excluding ghosts */
164   PetscInt       xm,ym,zm;    /* number of grid points on this processor, excluding ghosts */
165   PetscInt       gxs,gys,gzs;    /* starting point of this processor including ghosts */
166   PetscInt       gxm,gym,gzm;    /* number of grid points on this processor including ghosts */
167   DMDABoundaryType bx,by,bz; /* type of ghost nodes at boundary */
168   DMDAStencilType  st;
169   DM             da;
170 } DMDALocalInfo;
171 
172 /*MC
173       DMDAForEachPointBegin2d - Starts a loop over the local part of a two dimensional DMDA
174 
175    Synopsis:
176    void  DMDAForEachPointBegin2d(DALocalInfo *info,PetscInt i,PetscInt j);
177 
178    Not Collective
179 
180    Level: intermediate
181 
182 .seealso: DMDAForEachPointEnd2d(), DMDAVecGetArray()
183 M*/
184 #define DMDAForEachPointBegin2d(info,i,j) {\
185   PetscInt _xints = info->xs,_xinte = info->xs+info->xm,_yints = info->ys,_yinte = info->ys+info->ym;\
186   for (j=_yints; j<_yinte; j++) {\
187     for (i=_xints; i<_xinte; i++) {\
188 
189 /*MC
190       DMDAForEachPointEnd2d - Ends a loop over the local part of a two dimensional DMDA
191 
192    Synopsis:
193    void  DMDAForEachPointEnd2d;
194 
195    Not Collective
196 
197    Level: intermediate
198 
199 .seealso: DMDAForEachPointBegin2d(), DMDAVecGetArray()
200 M*/
201 #define DMDAForEachPointEnd2d }}}
202 
203 /*MC
204       DMDACoor2d - Structure for holding 2d (x and y) coordinates.
205 
206     Level: intermediate
207 
208     Sample Usage:
209       DMDACoor2d **coors;
210       Vec      vcoors;
211       DM       cda;
212 
213       DMDAGetCoordinates(da,&vcoors);
214       DMDAGetCoordinateDA(da,&cda);
215       DMDAVecGetArray(cda,vcoors,&coors);
216       DMDAGetCorners(cda,&mstart,&nstart,0,&m,&n,0)
217       for (i=mstart; i<mstart+m; i++) {
218         for (j=nstart; j<nstart+n; j++) {
219           x = coors[j][i].x;
220           y = coors[j][i].y;
221           ......
222         }
223       }
224       DMDAVecRestoreArray(dac,vcoors,&coors);
225 
226 .seealso: DMDACoor3d, DMDAForEachPointBegin(), DMDAGetCoordinateDA(), DMDAGetCoordinates(), DMDAGetGhostCoordinates()
227 M*/
228 typedef struct {PetscScalar x,y;} DMDACoor2d;
229 
230 /*MC
231       DMDACoor3d - Structure for holding 3d (x, y and z) coordinates.
232 
233     Level: intermediate
234 
235     Sample Usage:
236       DMDACoor3d ***coors;
237       Vec      vcoors;
238       DM       cda;
239 
240       DMDAGetCoordinates(da,&vcoors);
241       DMDAGetCoordinateDA(da,&cda);
242       DMDAVecGetArray(cda,vcoors,&coors);
243       DMDAGetCorners(cda,&mstart,&nstart,&pstart,&m,&n,&p)
244       for (i=mstart; i<mstart+m; i++) {
245         for (j=nstart; j<nstart+n; j++) {
246           for (k=pstart; k<pstart+p; k++) {
247             x = coors[k][j][i].x;
248             y = coors[k][j][i].y;
249             z = coors[k][j][i].z;
250           ......
251         }
252       }
253       DMDAVecRestoreArray(dac,vcoors,&coors);
254 
255 .seealso: DMDACoor2d, DMDAForEachPointBegin(), DMDAGetCoordinateDA(), DMDAGetCoordinates(), DMDAGetGhostCoordinates()
256 M*/
257 typedef struct {PetscScalar x,y,z;} DMDACoor3d;
258 
259 extern PetscErrorCode   DMDAGetLocalInfo(DM,DMDALocalInfo*);
260 typedef PetscErrorCode (*DMDALocalFunction1)(DMDALocalInfo*,void*,void*,void*);
261 extern PetscErrorCode   DMDAFormFunctionLocal(DM, DMDALocalFunction1, Vec, Vec, void *);
262 extern PetscErrorCode   DMDAFormFunctionLocalGhost(DM, DMDALocalFunction1, Vec, Vec, void *);
263 extern PetscErrorCode   DMDAFormJacobianLocal(DM, DMDALocalFunction1, Vec, Mat, void *);
264 extern PetscErrorCode   DMDAFormFunction1(DM,Vec,Vec,void*);
265 extern PetscErrorCode   DMDAFormFunction(DM,PetscErrorCode (*)(void),Vec,Vec,void*);
266 extern PetscErrorCode   DMDAFormFunctioni1(DM,PetscInt,Vec,PetscScalar*,void*);
267 extern PetscErrorCode   DMDAFormFunctionib1(DM,PetscInt,Vec,PetscScalar*,void*);
268 extern PetscErrorCode   DMDAComputeJacobian1WithAdic(DM,Vec,Mat,void*);
269 extern PetscErrorCode   DMDAComputeJacobian1WithAdifor(DM,Vec,Mat,void*);
270 extern PetscErrorCode   DMDAMultiplyByJacobian1WithAdic(DM,Vec,Vec,Vec,void*);
271 extern PetscErrorCode   DMDAMultiplyByJacobian1WithAdifor(DM,Vec,Vec,Vec,void*);
272 extern PetscErrorCode   DMDAMultiplyByJacobian1WithAD(DM,Vec,Vec,Vec,void*);
273 extern PetscErrorCode   DMDAComputeJacobian1(DM,Vec,Mat,void*);
274 extern PetscErrorCode   DMDAGetLocalFunction(DM,DMDALocalFunction1*);
275 extern PetscErrorCode   DMDASetLocalFunction(DM,DMDALocalFunction1);
276 extern PetscErrorCode   DMDASetLocalFunctioni(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,PetscScalar*,void*));
277 extern PetscErrorCode   DMDASetLocalFunctionib(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,PetscScalar*,void*));
278 extern PetscErrorCode   DMDAGetLocalJacobian(DM,DMDALocalFunction1*);
279 extern PetscErrorCode   DMDASetLocalJacobian(DM,DMDALocalFunction1);
280 extern PetscErrorCode   DMDASetLocalAdicFunction_Private(DM,DMDALocalFunction1);
281 
282 extern PetscErrorCode MatSetDM(Mat,DM);
283 extern PetscErrorCode MatRegisterDAAD(void);
284 extern PetscErrorCode MatCreateDAAD(DM,Mat*);
285 extern PetscErrorCode MatCreateSeqUSFFT(Vec,DM,Mat*);
286 
287 /*MC
288        DMDASetLocalAdicFunction - Caches in a DM a local function computed by ADIC/ADIFOR
289 
290    Synopsis:
291    PetscErrorCode DMDASetLocalAdicFunction(DM da,DMDALocalFunction1 ad_lf)
292 
293    Logically Collective on DM
294 
295    Input Parameter:
296 +  da - initial distributed array
297 -  ad_lf - the local function as computed by ADIC/ADIFOR
298 
299    Level: intermediate
300 
301 .keywords:  distributed array, refine
302 
303 .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDestroy(), DMDAGetLocalFunction(), DMDASetLocalFunction(),
304           DMDASetLocalJacobian()
305 M*/
306 #if defined(PETSC_HAVE_ADIC)
307 #  define DMDASetLocalAdicFunction(a,d) DMDASetLocalAdicFunction_Private(a,(DMDALocalFunction1)d)
308 #else
309 #  define DMDASetLocalAdicFunction(a,d) DMDASetLocalAdicFunction_Private(a,0)
310 #endif
311 
312 extern PetscErrorCode   DMDASetLocalAdicMFFunction_Private(DM,DMDALocalFunction1);
313 #if defined(PETSC_HAVE_ADIC)
314 #  define DMDASetLocalAdicMFFunction(a,d) DMDASetLocalAdicMFFunction_Private(a,(DMDALocalFunction1)d)
315 #else
316 #  define DMDASetLocalAdicMFFunction(a,d) DMDASetLocalAdicMFFunction_Private(a,0)
317 #endif
318 extern PetscErrorCode   DMDASetLocalAdicFunctioni_Private(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*));
319 #if defined(PETSC_HAVE_ADIC)
320 #  define DMDASetLocalAdicFunctioni(a,d) DMDASetLocalAdicFunctioni_Private(a,(PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*))d)
321 #else
322 #  define DMDASetLocalAdicFunctioni(a,d) DMDASetLocalAdicFunctioni_Private(a,0)
323 #endif
324 extern PetscErrorCode   DMDASetLocalAdicMFFunctioni_Private(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*));
325 #if defined(PETSC_HAVE_ADIC)
326 #  define DMDASetLocalAdicMFFunctioni(a,d) DMDASetLocalAdicMFFunctioni_Private(a,(PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*))d)
327 #else
328 #  define DMDASetLocalAdicMFFunctioni(a,d) DMDASetLocalAdicMFFunctioni_Private(a,0)
329 #endif
330 
331 extern PetscErrorCode   DMDASetLocalAdicFunctionib_Private(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*));
332 #if defined(PETSC_HAVE_ADIC)
333 #  define DMDASetLocalAdicFunctionib(a,d) DMDASetLocalAdicFunctionib_Private(a,(PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*))d)
334 #else
335 #  define DMDASetLocalAdicFunctionib(a,d) DMDASetLocalAdicFunctionib_Private(a,0)
336 #endif
337 extern PetscErrorCode   DMDASetLocalAdicMFFunctionib_Private(DM,PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*));
338 #if defined(PETSC_HAVE_ADIC)
339 #  define DMDASetLocalAdicMFFunctionib(a,d) DMDASetLocalAdicMFFunctionib_Private(a,(PetscErrorCode (*)(DMDALocalInfo*,MatStencil*,void*,void*,void*))d)
340 #else
341 #  define DMDASetLocalAdicMFFunctionib(a,d) DMDASetLocalAdicMFFunctionib_Private(a,0)
342 #endif
343 
344 extern PetscErrorCode   DMDAFormFunctioniTest1(DM,void*);
345 extern PetscErrorCode   DMDASetGetMatrix(DM,PetscErrorCode (*)(DM, const MatType,Mat *));
346 extern PetscErrorCode   DMDASetBlockFills(DM,PetscInt*,PetscInt*);
347 extern PetscErrorCode   DMDASetRefinementFactor(DM,PetscInt,PetscInt,PetscInt);
348 extern PetscErrorCode   DMDAGetRefinementFactor(DM,PetscInt*,PetscInt*,PetscInt*);
349 
350 extern PetscErrorCode   DMDAGetAdicArray(DM,PetscBool ,void*,void*,PetscInt*);
351 extern PetscErrorCode   DMDARestoreAdicArray(DM,PetscBool ,void*,void*,PetscInt*);
352 extern PetscErrorCode   DMDAGetAdicMFArray(DM,PetscBool ,void*,void*,PetscInt*);
353 extern PetscErrorCode   DMDAGetAdicMFArray4(DM,PetscBool ,void*,void*,PetscInt*);
354 extern PetscErrorCode   DMDAGetAdicMFArray9(DM,PetscBool ,void*,void*,PetscInt*);
355 extern PetscErrorCode   DMDAGetAdicMFArrayb(DM,PetscBool ,void*,void*,PetscInt*);
356 extern PetscErrorCode   DMDARestoreAdicMFArray(DM,PetscBool ,void*,void*,PetscInt*);
357 extern PetscErrorCode   DMDAGetArray(DM,PetscBool ,void*);
358 extern PetscErrorCode   DMDARestoreArray(DM,PetscBool ,void*);
359 extern PetscErrorCode   ad_DAGetArray(DM,PetscBool ,void*);
360 extern PetscErrorCode   ad_DARestoreArray(DM,PetscBool ,void*);
361 extern PetscErrorCode   admf_DAGetArray(DM,PetscBool ,void*);
362 extern PetscErrorCode   admf_DARestoreArray(DM,PetscBool ,void*);
363 
364 extern PetscErrorCode   DMDACreatePF(DM,PF*);
365 
366 #define DMDA_FILE_CLASSID 1211220
367 PETSC_EXTERN_CXX_END
368 #endif
369