xref: /petsc/include/petscdmplex.h (revision f5476a2b443e0eedb22d31cb1b2d85b9b918f73f)
1 /*
2   DMPlex, for parallel unstructured distributed mesh problems.
3 */
4 #if !defined(__PETSCDMPLEX_H)
5 #define __PETSCDMPLEX_H
6 
7 #include <petscsftypes.h>
8 #include <petscdm.h>
9 #include <petscdt.h>
10 #include <petscfe.h>
11 #include <petscfv.h>
12 
13 PETSC_EXTERN PetscErrorCode DMPlexCreate(MPI_Comm, DM*);
14 PETSC_EXTERN PetscErrorCode DMPlexCreateCohesiveSubmesh(DM, PetscBool, const char [], PetscInt, DM *);
15 PETSC_EXTERN PetscErrorCode DMPlexCreateFromCellList(MPI_Comm, PetscInt, PetscInt, PetscInt, PetscInt, PetscBool, const int[], PetscInt, const double[], DM*);
16 PETSC_EXTERN PetscErrorCode DMPlexCreateFromDAG(DM, PetscInt, const PetscInt [], const PetscInt [], const PetscInt [], const PetscInt [], const PetscScalar []);
17 PETSC_EXTERN PetscErrorCode DMPlexCreateReferenceCell(MPI_Comm, PetscInt, PetscBool, DM*);
18 PETSC_EXTERN PetscErrorCode DMPlexGetChart(DM, PetscInt *, PetscInt *);
19 PETSC_EXTERN PetscErrorCode DMPlexSetChart(DM, PetscInt, PetscInt);
20 PETSC_EXTERN PetscErrorCode DMPlexGetConeSize(DM, PetscInt, PetscInt *);
21 PETSC_EXTERN PetscErrorCode DMPlexSetConeSize(DM, PetscInt, PetscInt);
22 PETSC_EXTERN PetscErrorCode DMPlexAddConeSize(DM, PetscInt, PetscInt);
23 PETSC_EXTERN PetscErrorCode DMPlexGetCone(DM, PetscInt, const PetscInt *[]);
24 PETSC_EXTERN PetscErrorCode DMPlexSetCone(DM, PetscInt, const PetscInt[]);
25 PETSC_EXTERN PetscErrorCode DMPlexInsertCone(DM, PetscInt, PetscInt, PetscInt);
26 PETSC_EXTERN PetscErrorCode DMPlexInsertConeOrientation(DM, PetscInt, PetscInt, PetscInt);
27 PETSC_EXTERN PetscErrorCode DMPlexGetConeOrientation(DM, PetscInt, const PetscInt *[]);
28 PETSC_EXTERN PetscErrorCode DMPlexSetConeOrientation(DM, PetscInt, const PetscInt[]);
29 PETSC_EXTERN PetscErrorCode DMPlexGetSupportSize(DM, PetscInt, PetscInt *);
30 PETSC_EXTERN PetscErrorCode DMPlexSetSupportSize(DM, PetscInt, PetscInt);
31 PETSC_EXTERN PetscErrorCode DMPlexGetSupport(DM, PetscInt, const PetscInt *[]);
32 PETSC_EXTERN PetscErrorCode DMPlexSetSupport(DM, PetscInt, const PetscInt[]);
33 PETSC_EXTERN PetscErrorCode DMPlexInsertSupport(DM, PetscInt, PetscInt, PetscInt);
34 PETSC_EXTERN PetscErrorCode DMPlexGetConeSection(DM, PetscSection *);
35 PETSC_EXTERN PetscErrorCode DMPlexGetSupportSection(DM, PetscSection *);
36 PETSC_EXTERN PetscErrorCode DMPlexGetCones(DM, PetscInt *[]);
37 PETSC_EXTERN PetscErrorCode DMPlexGetConeOrientations(DM, PetscInt *[]);
38 PETSC_EXTERN PetscErrorCode DMPlexGetMaxSizes(DM, PetscInt *, PetscInt *);
39 PETSC_EXTERN PetscErrorCode DMPlexSymmetrize(DM);
40 PETSC_EXTERN PetscErrorCode DMPlexStratify(DM);
41 PETSC_EXTERN PetscErrorCode DMPlexEqual(DM,DM,PetscBool*);
42 PETSC_EXTERN PetscErrorCode DMPlexOrient(DM);
43 PETSC_EXTERN PetscErrorCode DMPlexInterpolate(DM, DM *);
44 PETSC_EXTERN PetscErrorCode DMPlexUninterpolate(DM, DM *);
45 PETSC_EXTERN PetscErrorCode DMPlexLoad(PetscViewer, DM);
46 PETSC_EXTERN PetscErrorCode DMPlexPreallocateOperator(DM, PetscInt, PetscSection, PetscSection, PetscInt[], PetscInt[], PetscInt[], PetscInt[], Mat, PetscBool);
47 PETSC_EXTERN PetscErrorCode DMPlexGetPointLocal(DM,PetscInt,PetscInt*,PetscInt*);
48 PETSC_EXTERN PetscErrorCode DMPlexPointLocalRef(DM,PetscInt,PetscScalar*,void*);
49 PETSC_EXTERN PetscErrorCode DMPlexPointLocalRead(DM,PetscInt,const PetscScalar*,const void*);
50 PETSC_EXTERN PetscErrorCode DMPlexGetPointGlobal(DM,PetscInt,PetscInt*,PetscInt*);
51 PETSC_EXTERN PetscErrorCode DMPlexPointGlobalRef(DM,PetscInt,PetscScalar*,void*);
52 PETSC_EXTERN PetscErrorCode DMPlexPointGlobalRead(DM,PetscInt,const PetscScalar*,const void*);
53 
54 /*S
55   DMLabel - Object which encapsulates a subset of the mesh from this DM
56 
57   Level: developer
58 
59   Concepts: grids, grid refinement
60 
61 .seealso:  DM, DMPlexCreate(), DMPlexCreateLabel()
62 S*/
63 typedef struct _n_DMLabel *DMLabel;
64 PETSC_EXTERN PetscErrorCode DMLabelCreate(const char [], DMLabel *);
65 PETSC_EXTERN PetscErrorCode DMLabelView(DMLabel, PetscViewer);
66 PETSC_EXTERN PetscErrorCode DMLabelDestroy(DMLabel *);
67 PETSC_EXTERN PetscErrorCode DMLabelDuplicate(DMLabel, DMLabel *);
68 PETSC_EXTERN PetscErrorCode DMLabelGetName(DMLabel, const char **);
69 PETSC_EXTERN PetscErrorCode DMLabelGetValue(DMLabel, PetscInt, PetscInt *);
70 PETSC_EXTERN PetscErrorCode DMLabelSetValue(DMLabel, PetscInt, PetscInt);
71 PETSC_EXTERN PetscErrorCode DMLabelClearValue(DMLabel, PetscInt, PetscInt);
72 PETSC_EXTERN PetscErrorCode DMLabelGetNumValues(DMLabel, PetscInt *);
73 PETSC_EXTERN PetscErrorCode DMLabelGetStratumBounds(DMLabel, PetscInt, PetscInt *, PetscInt *);
74 PETSC_EXTERN PetscErrorCode DMLabelGetValueIS(DMLabel, IS *);
75 PETSC_EXTERN PetscErrorCode DMLabelStratumHasPoint(DMLabel, PetscInt, PetscInt, PetscBool *);
76 PETSC_EXTERN PetscErrorCode DMLabelGetStratumSize(DMLabel, PetscInt, PetscInt *);
77 PETSC_EXTERN PetscErrorCode DMLabelGetStratumIS(DMLabel, PetscInt, IS *);
78 PETSC_EXTERN PetscErrorCode DMLabelClearStratum(DMLabel, PetscInt);
79 PETSC_EXTERN PetscErrorCode DMLabelCreateIndex(DMLabel, PetscInt, PetscInt);
80 PETSC_EXTERN PetscErrorCode DMLabelDestroyIndex(DMLabel);
81 PETSC_EXTERN PetscErrorCode DMLabelHasValue(DMLabel, PetscInt, PetscBool *);
82 PETSC_EXTERN PetscErrorCode DMLabelHasPoint(DMLabel, PetscInt, PetscBool *);
83 PETSC_EXTERN PetscErrorCode DMLabelFilter(DMLabel, PetscInt, PetscInt);
84 PETSC_EXTERN PetscErrorCode DMLabelPermute(DMLabel, IS, DMLabel *);
85 PETSC_EXTERN PetscErrorCode DMLabelDistribute(DMLabel, PetscSection, IS, ISLocalToGlobalMapping, DMLabel *);
86 
87 PETSC_EXTERN PetscErrorCode DMPlexCreateLabel(DM, const char []);
88 PETSC_EXTERN PetscErrorCode DMPlexGetLabelValue(DM, const char[], PetscInt, PetscInt *);
89 PETSC_EXTERN PetscErrorCode DMPlexSetLabelValue(DM, const char[], PetscInt, PetscInt);
90 PETSC_EXTERN PetscErrorCode DMPlexClearLabelValue(DM, const char[], PetscInt, PetscInt);
91 PETSC_EXTERN PetscErrorCode DMPlexGetLabelSize(DM, const char[], PetscInt *);
92 PETSC_EXTERN PetscErrorCode DMPlexGetLabelIdIS(DM, const char[], IS *);
93 PETSC_EXTERN PetscErrorCode DMPlexGetStratumSize(DM, const char [], PetscInt, PetscInt *);
94 PETSC_EXTERN PetscErrorCode DMPlexGetStratumIS(DM, const char [], PetscInt, IS *);
95 PETSC_EXTERN PetscErrorCode DMPlexClearLabelStratum(DM, const char[], PetscInt);
96 PETSC_EXTERN PetscErrorCode PetscSectionCreateGlobalSectionLabel(PetscSection, PetscSF, PetscBool, DMLabel, PetscInt, PetscSection *);
97 
98 PETSC_EXTERN PetscErrorCode DMPlexGetNumLabels(DM, PetscInt *);
99 PETSC_EXTERN PetscErrorCode DMPlexGetLabelName(DM, PetscInt, const char **);
100 PETSC_EXTERN PetscErrorCode DMPlexHasLabel(DM, const char [], PetscBool *);
101 PETSC_EXTERN PetscErrorCode DMPlexGetLabel(DM, const char *, DMLabel *);
102 PETSC_EXTERN PetscErrorCode DMPlexAddLabel(DM, DMLabel);
103 PETSC_EXTERN PetscErrorCode DMPlexRemoveLabel(DM, const char [], DMLabel *);
104 PETSC_EXTERN PetscErrorCode DMPlexGetCellNumbering(DM, IS *);
105 PETSC_EXTERN PetscErrorCode DMPlexGetVertexNumbering(DM, IS *);
106 PETSC_EXTERN PetscErrorCode DMPlexCreatePointNumbering(DM, IS *);
107 
108 PETSC_EXTERN PetscErrorCode DMPlexGetDepth(DM, PetscInt *);
109 PETSC_EXTERN PetscErrorCode DMPlexGetDepthLabel(DM, DMLabel *);
110 PETSC_EXTERN PetscErrorCode DMPlexGetDepthStratum(DM, PetscInt, PetscInt *, PetscInt *);
111 PETSC_EXTERN PetscErrorCode DMPlexGetHeightStratum(DM, PetscInt, PetscInt *, PetscInt *);
112 
113 /* Topological Operations */
114 PETSC_EXTERN PetscErrorCode DMPlexGetMeet(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
115 PETSC_EXTERN PetscErrorCode DMPlexGetFullMeet(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
116 PETSC_EXTERN PetscErrorCode DMPlexRestoreMeet(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
117 PETSC_EXTERN PetscErrorCode DMPlexGetJoin(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
118 PETSC_EXTERN PetscErrorCode DMPlexGetFullJoin(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
119 PETSC_EXTERN PetscErrorCode DMPlexRestoreJoin(DM, PetscInt, const PetscInt [], PetscInt *, const PetscInt **);
120 PETSC_EXTERN PetscErrorCode DMPlexGetTransitiveClosure(DM, PetscInt, PetscBool, PetscInt *, PetscInt *[]);
121 PETSC_EXTERN PetscErrorCode DMPlexRestoreTransitiveClosure(DM, PetscInt, PetscBool, PetscInt *, PetscInt *[]);
122 
123 /* Mesh Generation */
124 PETSC_EXTERN PetscErrorCode DMPlexGenerate(DM, const char [], PetscBool , DM *);
125 PETSC_EXTERN PetscErrorCode DMPlexCopyCoordinates(DM, DM);
126 PETSC_EXTERN PetscErrorCode DMPlexCopyLabels(DM, DM);
127 PETSC_EXTERN PetscErrorCode DMPlexCreateDoublet(MPI_Comm, PetscInt, PetscBool, PetscBool, PetscBool, PetscReal, DM *);
128 PETSC_EXTERN PetscErrorCode DMPlexCreateSquareBoundary(DM, const PetscReal [], const PetscReal [], const PetscInt []);
129 PETSC_EXTERN PetscErrorCode DMPlexCreateCubeBoundary(DM, const PetscReal [], const PetscReal [], const PetscInt []);
130 PETSC_EXTERN PetscErrorCode DMPlexCreateSquareMesh(DM, const PetscReal [], const PetscReal [], const PetscInt [], DMBoundaryType, DMBoundaryType);
131 PETSC_EXTERN PetscErrorCode DMPlexCreateBoxMesh(MPI_Comm, PetscInt, PetscBool, DM *);
132 PETSC_EXTERN PetscErrorCode DMPlexCreateHexBoxMesh(MPI_Comm, PetscInt, const PetscInt[], DMBoundaryType, DMBoundaryType, DMBoundaryType, DM *);
133 PETSC_EXTERN PetscErrorCode DMPlexCreateConeSection(DM, PetscSection *);
134 PETSC_EXTERN PetscErrorCode DMPlexInvertCell(PetscInt, PetscInt, int []);
135 PETSC_EXTERN PetscErrorCode DMPlexLocalizeCoordinates(DM);
136 PETSC_EXTERN PetscErrorCode DMPlexCheckSymmetry(DM);
137 PETSC_EXTERN PetscErrorCode DMPlexCheckSkeleton(DM, PetscBool, PetscInt);
138 PETSC_EXTERN PetscErrorCode DMPlexCheckFaces(DM, PetscBool, PetscInt);
139 
140 PETSC_EXTERN PetscErrorCode DMPlexTriangleSetOptions(DM, const char *);
141 PETSC_EXTERN PetscErrorCode DMPlexTetgenSetOptions(DM, const char *);
142 
143 /* Mesh Partitioning and Distribution */
144 PETSC_EXTERN PetscErrorCode DMPlexCreateNeighborCSR(DM, PetscInt, PetscInt *, PetscInt **, PetscInt **);
145 PETSC_EXTERN PetscErrorCode DMPlexCreatePartition(DM, const char[], PetscInt, PetscBool, PetscSection *, IS *, PetscSection *, IS *);
146 PETSC_EXTERN PetscErrorCode DMPlexCreatePartitionClosure(DM, PetscSection, IS, PetscSection *, IS *);
147 PETSC_EXTERN PetscErrorCode DMPlexDistribute(DM, const char[], PetscInt, PetscSF*, DM*);
148 PETSC_EXTERN PetscErrorCode DMPlexDistributeField(DM,PetscSF,PetscSection,Vec,PetscSection,Vec);
149 PETSC_EXTERN PetscErrorCode DMPlexDistributeData(DM,PetscSF,PetscSection,MPI_Datatype,void*,PetscSection,void**);
150 PETSC_EXTERN PetscErrorCode DMPlexSetAdjacencyUseCone(DM,PetscBool);
151 PETSC_EXTERN PetscErrorCode DMPlexGetAdjacencyUseCone(DM,PetscBool*);
152 PETSC_EXTERN PetscErrorCode DMPlexSetAdjacencyUseClosure(DM,PetscBool);
153 PETSC_EXTERN PetscErrorCode DMPlexGetAdjacencyUseClosure(DM,PetscBool*);
154 PETSC_EXTERN PetscErrorCode DMPlexSetAdjacencyUseAnchors(DM,PetscBool);
155 PETSC_EXTERN PetscErrorCode DMPlexGetAdjacencyUseAnchors(DM,PetscBool*);
156 PETSC_EXTERN PetscErrorCode DMPlexGetAdjacency(DM, PetscInt, PetscInt *, PetscInt *[]);
157 
158 PETSC_EXTERN PetscErrorCode DMPlexGetOrdering(DM, MatOrderingType, IS *);
159 PETSC_EXTERN PetscErrorCode DMPlexPermute(DM, IS, DM *);
160 
161 /* Submesh Support */
162 PETSC_EXTERN PetscErrorCode DMPlexCreateSubmesh(DM, DMLabel, PetscInt, DM*);
163 PETSC_EXTERN PetscErrorCode DMPlexCreateHybridMesh(DM, DMLabel, DMLabel *, DM *);
164 PETSC_EXTERN PetscErrorCode DMPlexGetSubpointMap(DM, DMLabel*);
165 PETSC_EXTERN PetscErrorCode DMPlexSetSubpointMap(DM, DMLabel);
166 PETSC_EXTERN PetscErrorCode DMPlexCreateSubpointIS(DM, IS *);
167 
168 PETSC_EXTERN PetscErrorCode DMPlexMarkBoundaryFaces(DM, DMLabel);
169 PETSC_EXTERN PetscErrorCode DMPlexLabelComplete(DM, DMLabel);
170 PETSC_EXTERN PetscErrorCode DMPlexLabelCohesiveComplete(DM, DMLabel, DMLabel, PetscBool, DM);
171 PETSC_EXTERN PetscErrorCode DMPlexLabelAddCells(DM, DMLabel);
172 
173 /* Mesh Refinement */
174 typedef PetscInt CellRefiner;
175 
176 PETSC_EXTERN PetscErrorCode DMPlexGetRefinementLimit(DM, PetscReal *);
177 PETSC_EXTERN PetscErrorCode DMPlexSetRefinementLimit(DM, PetscReal);
178 PETSC_EXTERN PetscErrorCode DMPlexGetRefinementUniform(DM, PetscBool *);
179 PETSC_EXTERN PetscErrorCode DMPlexSetRefinementUniform(DM, PetscBool);
180 PETSC_EXTERN PetscErrorCode DMPlexGetCoarseDM(DM, DM *);
181 PETSC_EXTERN PetscErrorCode DMPlexSetCoarseDM(DM, DM);
182 PETSC_EXTERN PetscErrorCode DMPlexCreateCoarsePointIS(DM, IS *);
183 
184 /* Support for cell-vertex meshes */
185 PETSC_EXTERN PetscErrorCode DMPlexGetNumFaceVertices(DM, PetscInt, PetscInt, PetscInt *);
186 PETSC_EXTERN PetscErrorCode DMPlexGetOrientedFace(DM, PetscInt, PetscInt, const PetscInt [], PetscInt, PetscInt [], PetscInt [], PetscInt [], PetscBool *);
187 
188 /* Geometry Support */
189 PETSC_EXTERN PetscErrorCode DMPlexGetMinRadius(DM, PetscReal *);
190 PETSC_EXTERN PetscErrorCode DMPlexSetMinRadius(DM, PetscReal);
191 
192 /* FVM Support */
193 PETSC_EXTERN PetscErrorCode DMPlexComputeCellGeometryFVM(DM, PetscInt, PetscReal *, PetscReal [], PetscReal []);
194 PETSC_EXTERN PetscErrorCode DMPlexComputeGeometryFVM(DM, Vec *, Vec *);
195 PETSC_EXTERN PetscErrorCode DMPlexComputeGradientFVM(DM, PetscFV, Vec, Vec, DM *);
196 
197 /* FEM Support */
198 PETSC_EXTERN PetscErrorCode DMPlexInsertBoundaryValues(DM, Vec, PetscReal, Vec, Vec, Vec);
199 
200 PETSC_EXTERN PetscErrorCode DMPlexCreateSection(DM, PetscInt, PetscInt,const PetscInt [],const PetscInt [], PetscInt,const PetscInt [],const IS [], IS, PetscSection *);
201 
202 PETSC_EXTERN PetscErrorCode DMPlexComputeCellGeometryAffineFEM(DM, PetscInt, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
203 PETSC_EXTERN PetscErrorCode DMPlexComputeCellGeometryFEM(DM, PetscInt, PetscFE, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
204 PETSC_EXTERN PetscErrorCode DMPlexComputeGeometryFEM(DM, Vec *);
205 PETSC_EXTERN PetscErrorCode DMPlexVecGetClosure(DM, PetscSection, Vec, PetscInt, PetscInt *, PetscScalar *[]);
206 PETSC_EXTERN PetscErrorCode DMPlexVecRestoreClosure(DM, PetscSection, Vec, PetscInt, PetscInt *, PetscScalar *[]);
207 PETSC_EXTERN PetscErrorCode DMPlexVecSetClosure(DM, PetscSection, Vec, PetscInt, const PetscScalar[], InsertMode);
208 PETSC_EXTERN PetscErrorCode DMPlexMatSetClosure(DM, PetscSection, PetscSection, Mat, PetscInt, const PetscScalar[], InsertMode);
209 PETSC_EXTERN PetscErrorCode DMPlexMatSetClosureRefined(DM, PetscSection, PetscSection, DM, PetscSection, PetscSection, Mat, PetscInt, const PetscScalar[], InsertMode);
210 PETSC_EXTERN PetscErrorCode DMPlexMatGetClosureIndicesRefined(DM, PetscSection, PetscSection, DM, PetscSection, PetscSection, PetscInt, PetscInt[], PetscInt[]);
211 PETSC_EXTERN PetscErrorCode DMPlexCreateClosureIndex(DM, PetscSection);
212 
213 PETSC_EXTERN PetscErrorCode DMPlexCreateExodus(MPI_Comm, PetscInt, PetscBool, DM *);
214 PETSC_EXTERN PetscErrorCode DMPlexCreateExodusFromFile(MPI_Comm, const char [], PetscBool, DM *);
215 PETSC_EXTERN PetscErrorCode DMPlexCreateCGNS(MPI_Comm, PetscInt, PetscBool, DM *);
216 PETSC_EXTERN PetscErrorCode DMPlexCreateCGNSFromFile(MPI_Comm, const char[], PetscBool, DM *);
217 PETSC_EXTERN PetscErrorCode DMPlexCreateGmsh(MPI_Comm, PetscViewer, PetscBool, DM *);
218 
219 PETSC_EXTERN PetscErrorCode DMPlexConstructGhostCells(DM, const char [], PetscInt *, DM *);
220 PETSC_EXTERN PetscErrorCode DMPlexConstructCohesiveCells(DM, DMLabel, DM *);
221 
222 PETSC_EXTERN PetscErrorCode DMPlexGetHybridBounds(DM, PetscInt *, PetscInt *, PetscInt *, PetscInt *);
223 PETSC_EXTERN PetscErrorCode DMPlexSetHybridBounds(DM, PetscInt, PetscInt, PetscInt, PetscInt);
224 PETSC_EXTERN PetscErrorCode DMPlexGetVTKCellHeight(DM, PetscInt *);
225 PETSC_EXTERN PetscErrorCode DMPlexSetVTKCellHeight(DM, PetscInt);
226 PETSC_EXTERN PetscErrorCode DMPlexVTKWriteAll(PetscObject, PetscViewer);
227 
228 PETSC_EXTERN PetscErrorCode DMPlexGetScale(DM, PetscUnit, PetscReal *);
229 PETSC_EXTERN PetscErrorCode DMPlexSetScale(DM, PetscUnit, PetscReal);
230 
231 typedef struct _n_Boundary *DMBoundary;
232 PETSC_EXTERN PetscErrorCode DMPlexAddBoundary(DM, PetscBool, const char[], const char[], PetscInt, void (*)(), PetscInt, const PetscInt *, void *);
233 PETSC_EXTERN PetscErrorCode DMPlexGetNumBoundary(DM, PetscInt *);
234 PETSC_EXTERN PetscErrorCode DMPlexGetBoundary(DM, PetscInt, PetscBool *, const char **, const char **, PetscInt *, void (**)(), PetscInt *, const PetscInt **, void **);
235 PETSC_EXTERN PetscErrorCode DMPlexIsBoundaryPoint(DM, PetscInt, PetscBool *);
236 PETSC_EXTERN PetscErrorCode DMPlexCopyBoundary(DM, DM);
237 
238 typedef struct {
239   DM    dm;
240   Vec   u; /* The base vector for the Jacbobian action J(u) x */
241   Mat   J; /* Preconditioner for testing */
242   void *user;
243 } JacActionCtx;
244 
245 PETSC_EXTERN PetscErrorCode DMPlexInsertBoundaryValuesFEM(DM, Vec);
246 PETSC_EXTERN PetscErrorCode DMPlexProjectFunctionLocal(DM, void (**)(const PetscReal [], PetscScalar *, void *), void **, InsertMode, Vec);
247 PETSC_EXTERN PetscErrorCode DMPlexProjectFieldLocal(DM, Vec, void (**)(const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscScalar[], const PetscReal [], PetscScalar []), InsertMode, Vec);
248 PETSC_EXTERN PetscErrorCode DMPlexComputeL2Diff(DM, void (**)(const PetscReal [], PetscScalar *, void *), void **, Vec, PetscReal *);
249 PETSC_EXTERN PetscErrorCode DMPlexComputeL2GradientDiff(DM, void (**)(const PetscReal [], const PetscReal [], PetscScalar *, void *), void **, Vec, const PetscReal [], PetscReal *);
250 PETSC_EXTERN PetscErrorCode DMPlexComputeL2FieldDiff(DM, void (**)(const PetscReal [], PetscScalar *, void *), void **, Vec, PetscReal[]);
251 PETSC_EXTERN PetscErrorCode DMPlexComputeIntegralFEM(DM, Vec, PetscReal *, void *);
252 PETSC_EXTERN PetscErrorCode DMPlexComputeInterpolatorFEM(DM, DM, Mat, void *);
253 PETSC_EXTERN PetscErrorCode DMPlexComputeInjectorFEM(DM, DM, VecScatter *, void *);
254 
255 PETSC_EXTERN PetscErrorCode DMPlexSNESComputeResidualFEM(DM, Vec, Vec, void *);
256 PETSC_EXTERN PetscErrorCode DMPlexSNESComputeJacobianFEM(DM, Vec, Mat, Mat,void *);
257 
258 PETSC_EXTERN PetscErrorCode DMPlexTSComputeRHSFunctionFVM(DM, PetscReal, Vec, Vec, void *);
259 PETSC_EXTERN PetscErrorCode DMPlexTSComputeIFunctionFEM(DM, PetscReal, Vec, Vec, Vec, void *);
260 
261 PETSC_EXTERN PetscErrorCode DMPlexComputeRHSFunctionFVM(DM, PetscReal, Vec, Vec, void *);
262 
263 /* anchors */
264 PETSC_EXTERN PetscErrorCode DMPlexGetAnchors(DM, PetscSection*, IS*);
265 PETSC_EXTERN PetscErrorCode DMPlexSetAnchors(DM, PetscSection, IS);
266 /* tree */
267 PETSC_EXTERN PetscErrorCode DMPlexSetReferenceTree(DM, DM);
268 PETSC_EXTERN PetscErrorCode DMPlexGetReferenceTree(DM, DM*);
269 PETSC_EXTERN PetscErrorCode DMPlexReferenceTreeGetChildSymmetry(DM, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt *, PetscInt *);
270 PETSC_EXTERN PetscErrorCode DMPlexCreateDefaultReferenceTree(MPI_Comm, PetscInt, PetscBool, DM*);
271 PETSC_EXTERN PetscErrorCode DMPlexSetTree(DM, PetscSection, PetscInt [], PetscInt []);
272 PETSC_EXTERN PetscErrorCode DMPlexGetTree(DM, PetscSection *, PetscInt *[], PetscInt *[], PetscSection *, PetscInt *[]);
273 PETSC_EXTERN PetscErrorCode DMPlexGetTreeParent(DM, PetscInt, PetscInt *, PetscInt *);
274 PETSC_EXTERN PetscErrorCode DMPlexGetTreeChildren(DM, PetscInt, PetscInt *, const PetscInt *[]);
275 PETSC_EXTERN PetscErrorCode DMPlexTreeRefineCell(DM, PetscInt, DM *);
276 #endif
277