xref: /petsc/include/petscmat.h (revision c3138ed3761b804f087caa0f62930d0dacffd1f0)
1 /*
2      Include file for the matrix component of PETSc
3 */
4 #ifndef __PETSCMAT_H
5 #define __PETSCMAT_H
6 #include <petscvec.h>
7 
8 /*S
9      Mat - Abstract PETSc matrix object used to manage all linear operators in PETSc, even those without
10            an explicit sparse representation (such as matrix-free operators)
11 
12    Level: beginner
13 
14   Concepts: matrix; linear operator
15 
16 .seealso:  MatCreate(), MatType, MatSetType(), MatDestroy()
17 S*/
18 typedef struct _p_Mat*           Mat;
19 
20 /*J
21     MatType - String with the name of a PETSc matrix type
22 
23    Level: beginner
24 
25 .seealso: MatSetType(), Mat, MatSolverPackage, MatRegister()
26 J*/
27 typedef const char* MatType;
28 #define MATSAME            "same"
29 #define MATMAIJ            "maij"
30 #define MATSEQMAIJ         "seqmaij"
31 #define MATMPIMAIJ         "mpimaij"
32 #define MATIS              "is"
33 #define MATAIJ             "aij"
34 #define MATSEQAIJ          "seqaij"
35 #define MATSEQAIJPTHREAD   "seqaijpthread"
36 #define MATAIJPTHREAD      "aijpthread"
37 #define MATMPIAIJ          "mpiaij"
38 #define MATAIJCRL          "aijcrl"
39 #define MATSEQAIJCRL       "seqaijcrl"
40 #define MATMPIAIJCRL       "mpiaijcrl"
41 #define MATAIJCUSP         "aijcusp"
42 #define MATSEQAIJCUSP      "seqaijcusp"
43 #define MATMPIAIJCUSP      "mpiaijcusp"
44 #define MATAIJCUSPARSE     "aijcusparse"
45 #define MATSEQAIJCUSPARSE  "seqaijcusparse"
46 #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
47 #define MATAIJVIENNACL     "aijviennacl"
48 #define MATSEQAIJVIENNACL  "seqaijviennacl"
49 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
50 #define MATAIJPERM         "aijperm"
51 #define MATSEQAIJPERM      "seqaijperm"
52 #define MATMPIAIJPERM      "mpiaijperm"
53 #define MATSHELL           "shell"
54 #define MATDENSE           "dense"
55 #define MATSEQDENSE        "seqdense"
56 #define MATMPIDENSE        "mpidense"
57 #define MATELEMENTAL       "elemental"
58 #define MATBAIJ            "baij"
59 #define MATSEQBAIJ         "seqbaij"
60 #define MATMPIBAIJ         "mpibaij"
61 #define MATMPIADJ          "mpiadj"
62 #define MATSBAIJ           "sbaij"
63 #define MATSEQSBAIJ        "seqsbaij"
64 #define MATMPISBAIJ        "mpisbaij"
65 #define MATSEQBSTRM        "seqbstrm"
66 #define MATMPIBSTRM        "mpibstrm"
67 #define MATBSTRM           "bstrm"
68 #define MATSEQSBSTRM       "seqsbstrm"
69 #define MATMPISBSTRM       "mpisbstrm"
70 #define MATSBSTRM          "sbstrm"
71 #define MATDAAD            "daad"
72 #define MATMFFD            "mffd"
73 #define MATNORMAL          "normal"
74 #define MATLRC             "lrc"
75 #define MATSCATTER         "scatter"
76 #define MATBLOCKMAT        "blockmat"
77 #define MATCOMPOSITE       "composite"
78 #define MATFFT             "fft"
79 #define MATFFTW            "fftw"
80 #define MATSEQCUFFT        "seqcufft"
81 #define MATTRANSPOSEMAT    "transpose"
82 #define MATSCHURCOMPLEMENT "schurcomplement"
83 #define MATPYTHON          "python"
84 #define MATHYPRESTRUCT     "hyprestruct"
85 #define MATHYPRESSTRUCT    "hypresstruct"
86 #define MATSUBMATRIX       "submatrix"
87 #define MATLOCALREF        "localref"
88 #define MATNEST            "nest"
89 
90 /*J
91     MatSolverPackage - String with the name of a PETSc matrix solver type.
92 
93     For example: "petsc" indicates what PETSc provides, "superlu" indicates either
94        SuperLU or SuperLU_Dist etc.
95 
96 
97    Level: beginner
98 
99 .seealso: MatGetFactor(), Mat, MatSetType(), MatType
100 J*/
101 #define MatSolverPackage char*
102 #define MATSOLVERSUPERLU      "superlu"
103 #define MATSOLVERSUPERLU_DIST "superlu_dist"
104 #define MATSOLVERUMFPACK      "umfpack"
105 #define MATSOLVERCHOLMOD      "cholmod"
106 #define MATSOLVERESSL         "essl"
107 #define MATSOLVERLUSOL        "lusol"
108 #define MATSOLVERMUMPS        "mumps"
109 #define MATSOLVERPASTIX       "pastix"
110 #define MATSOLVERMATLAB       "matlab"
111 #define MATSOLVERPETSC        "petsc"
112 #define MATSOLVERBAS          "bas"
113 #define MATSOLVERCUSPARSE     "cusparse"
114 #define MATSOLVERBSTRM        "bstrm"
115 #define MATSOLVERSBSTRM       "sbstrm"
116 #define MATSOLVERELEMENTAL    "elemental"
117 #define MATSOLVERCLIQUE       "clique"
118 
119 /*E
120     MatFactorType - indicates what type of factorization is requested
121 
122     Level: beginner
123 
124    Any additions/changes here MUST also be made in include/finclude/petscmat.h
125 
126 .seealso: MatSolverPackage, MatGetFactor()
127 E*/
128 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
129 PETSC_EXTERN const char *const MatFactorTypes[];
130 
131 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,const MatSolverPackage,MatFactorType,Mat*);
132 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,const MatSolverPackage,MatFactorType,PetscBool *);
133 PETSC_EXTERN PetscErrorCode MatFactorGetSolverPackage(Mat,const MatSolverPackage*);
134 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
135 
136 /* Logging support */
137 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
138 PETSC_EXTERN PetscClassId MAT_CLASSID;
139 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
140 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
141 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
142 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
143 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
144 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
145 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
146 
147 /*E
148     MatReuse - Indicates if matrices obtained from a previous call to MatGetSubMatrices()
149      or MatGetSubMatrix() are to be reused to store the new matrix values. For MatConvert() is used to indicate
150      that the input matrix is to be replaced with the converted matrix.
151 
152     Level: beginner
153 
154    Any additions/changes here MUST also be made in include/finclude/petscmat.h
155 
156 .seealso: MatGetSubMatrices(), MatGetSubMatrix(), MatDestroyMatrices(), MatConvert()
157 E*/
158 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX} MatReuse;
159 
160 /*E
161     MatGetSubMatrixOption - Indicates if matrices obtained from a call to MatGetSubMatrices()
162      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
163 
164     Level: beginner
165 
166 .seealso: MatGetSeqNonzerostructure()
167 E*/
168 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatGetSubMatrixOption;
169 
170 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
171 
172 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
173 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
174 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
175 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
176 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat,const char[],const char[]);
177 PETSC_EXTERN PetscErrorCode MatRegisterAll(void);
178 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
179 PETSC_EXTERN PetscErrorCode MatRegisterBaseName(const char[],const char[],const char[]);
180 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
181 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
182 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
183 
184 PETSC_EXTERN PetscBool         MatRegisterAllCalled;
185 PETSC_EXTERN PetscFunctionList MatList;
186 PETSC_EXTERN PetscFunctionList MatColoringList;
187 PETSC_EXTERN PetscFunctionList MatPartitioningList;
188 PETSC_EXTERN PetscFunctionList MatCoarsenList;
189 
190 /*E
191     MatStructure - Indicates if the matrix has the same nonzero structure
192 
193     Level: beginner
194 
195    Any additions/changes here MUST also be made in include/finclude/petscmat.h
196 
197 .seealso: MatCopy(), KSPSetOperators(), PCSetOperators()
198 E*/
199 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN,SAME_PRECONDITIONER} MatStructure;
200 
201 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
202 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
203 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
204 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
205 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
206 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
207 
208 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
209 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
210 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
211 
212 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
213 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
214 
215 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
216 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
217 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
218 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt*,const PetscInt*,const PetscInt*,const PetscInt*);
219 
220 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
221 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
222 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Mat,Mat*);
223 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,Mat*);
224 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
225 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
226 
227 PETSC_EXTERN PetscErrorCode MatCreateSeqBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
228 PETSC_EXTERN PetscErrorCode MatCreateMPIBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
229 PETSC_EXTERN PetscErrorCode MatCreateSeqSBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
230 PETSC_EXTERN PetscErrorCode MatCreateMPISBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
231 
232 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
233 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
234 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
235 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
236 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
237 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
238 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
239 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
240 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
241 
242 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
243 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
244 
245 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
246 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,Mat*);
247 PETSC_EXTERN PetscErrorCode MatSubMatrixUpdate(Mat,Mat,IS,IS);
248 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
249 
250 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
251 
252 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
253 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
254 
255 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
256 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
257 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
258 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
259 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
260 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
261 
262 /* ------------------------------------------------------------*/
263 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
264 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
265 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
266 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
267 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
268 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
269 
270 /*S
271      MatStencil - Data structure (C struct) for storing information about a single row or
272         column of a matrix as indexed on an associated grid.
273 
274    Fortran usage is different, see MatSetValuesStencil() for details.
275 
276    Level: beginner
277 
278   Concepts: matrix; linear operator
279 
280 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil()
281 S*/
282 typedef struct {
283   PetscInt k,j,i,c;
284 } MatStencil;
285 
286 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
287 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
288 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
289 
290 PETSC_EXTERN PetscErrorCode MatSetColoring(Mat,ISColoring);
291 PETSC_EXTERN PetscErrorCode MatSetValuesAdifor(Mat,PetscInt,void*);
292 
293 /*E
294     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
295      to continue to add values to it
296 
297     Level: beginner
298 
299 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
300 E*/
301 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
302 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
303 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
304 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
305 
306 
307 
308 /*E
309     MatOption - Options that may be set for a matrix and its behavior or storage
310 
311     Level: beginner
312 
313    Any additions/changes here MUST also be made in include/finclude/petscmat.h
314 
315    Developer Notes: Entries that are negative need not be called collectively by all processes.
316 
317 .seealso: MatSetOption()
318 E*/
319 typedef enum {MAT_OPTION_MIN = -8,
320               MAT_NEW_NONZERO_LOCATION_ERR = -7,
321               MAT_NO_OFF_PROC_ZERO_ROWS = -6,
322               MAT_NO_OFF_PROC_ENTRIES = -5,
323               MAT_UNUSED_NONZERO_LOCATION_ERR = -4,
324               MAT_NEW_NONZERO_ALLOCATION_ERR = -3,
325               MAT_ROW_ORIENTED = -2,
326               MAT_NEW_NONZERO_LOCATIONS = -1,
327               MAT_SYMMETRIC = 1,
328               MAT_STRUCTURALLY_SYMMETRIC = 2,
329               MAT_NEW_DIAGONALS = 3,
330               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
331               MAT_USE_HASH_TABLE = 5,
332               MAT_KEEP_NONZERO_PATTERN = 6,
333               MAT_IGNORE_ZERO_ENTRIES = 7,
334               MAT_USE_INODES = 8,
335               MAT_HERMITIAN = 9,
336               MAT_SYMMETRY_ETERNAL = 10,
337               MAT_DUMMY = 11,
338               MAT_IGNORE_LOWER_TRIANGULAR = 12,
339               MAT_ERROR_LOWER_TRIANGULAR = 13,
340               MAT_GETROW_UPPERTRIANGULAR = 14,
341               MAT_SPD = 15,
342               MAT_OPTION_MAX = 16} MatOption;
343 
344 PETSC_EXTERN const char *MatOptions[];
345 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool );
346 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
347 
348 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
349 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
350 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
351 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
352 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
353 PETSC_EXTERN PetscErrorCode MatGetColumn(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
354 PETSC_EXTERN PetscErrorCode MatRestoreColumn(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
355 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
356 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
357 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
358 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
359 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
360 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
361 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
362 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
363 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
364 PETSC_EXTERN PetscErrorCode MatSetNThreads(Mat,PetscInt);
365 PETSC_EXTERN PetscErrorCode MatGetNThreads(Mat,PetscInt*);
366 
367 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
368 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
369 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
370 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
371 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
372 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
373 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
374 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
375 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
376 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
377 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
378 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
379 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
380 
381 /*E
382     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
383   its numerical values copied over or just its nonzero structure.
384 
385     Level: beginner
386 
387    Any additions/changes here MUST also be made in include/finclude/petscmat.h
388 
389 $   MAT_SHARE_NONZERO_PATTERN - the i and j arrays in the new matrix will be shared with the original matrix
390 $                               this also triggers the MAT_DO_NOT_COPY_VALUES option. This is used when you
391 $                               have several matrices with the same nonzero pattern.
392 
393 .seealso: MatDuplicate()
394 E*/
395 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
396 
397 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
398 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
399 
400 
401 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
402 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
403 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
404 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
405 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
406 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
407 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
408 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
409 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
410 
411 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
412 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
413 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
414 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
415 
416 /*S
417      MatInfo - Context of matrix information, used with MatGetInfo()
418 
419    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
420 
421    Level: intermediate
422 
423   Concepts: matrix^nonzero information
424 
425 .seealso:  MatGetInfo(), MatInfoType
426 S*/
427 typedef struct {
428   PetscLogDouble block_size;                         /* block size */
429   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
430   PetscLogDouble memory;                             /* memory allocated */
431   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
432   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
433   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
434   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
435 } MatInfo;
436 
437 /*E
438     MatInfoType - Indicates if you want information about the local part of the matrix,
439      the entire parallel matrix or the maximum over all the local parts.
440 
441     Level: beginner
442 
443    Any additions/changes here MUST also be made in include/finclude/petscmat.h
444 
445 .seealso: MatGetInfo(), MatInfo
446 E*/
447 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
448 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
449 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
450 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
451 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
452 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
453 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
454 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
455 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
456 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
457 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat *);
458 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
459 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
460 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool *);
461 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool *);
462 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool *);
463 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool *);
464 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool *);
465 
466 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal *);
467 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal *);
468 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
469 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
470 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
471 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
472 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
473 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
474 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
475 
476 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
477 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
478 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
479 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
480 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
481 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
482 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
483 
484 PETSC_EXTERN PetscErrorCode MatGetSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
485 PETSC_EXTERN PetscErrorCode MatGetSubMatricesParallel(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
486 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
487 PETSC_EXTERN PetscErrorCode MatGetSubMatrix(Mat,IS,IS,MatReuse,Mat *);
488 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
489 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
490 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
491 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
492 
493 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJ(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
494 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,Mat*);
495 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJNumeric(MPI_Comm,Mat,PetscInt,Mat);
496 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
497 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
498 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
499 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
500 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
501 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
502 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
503 
504 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
505 
506 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
507 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
508 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
509 
510 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
511 PETSC_EXTERN PetscErrorCode MatMatMatMultSymbolic(Mat,Mat,Mat,PetscReal,Mat*);
512 PETSC_EXTERN PetscErrorCode MatMatMatMultNumeric(Mat,Mat,Mat,Mat);
513 
514 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
515 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
516 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
517 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
518 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
519 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
520 
521 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
522 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
523 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
524 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
525 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
526 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
527 
528 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
529 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
530 
531 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
532 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
533 
534 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
535 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMappingBlock(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
536 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
537 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMappingBlock(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
538 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
539 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
540 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
541 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
542 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
543 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
544 
545 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
546 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
547 
548 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
549 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
550 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
551 PETSC_EXTERN PetscErrorCode MatGetVecs(Mat,Vec*,Vec*);
552 PETSC_EXTERN PetscErrorCode MatGetRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
553 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
554 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
555 
556 /*MC
557    MatSetValue - Set a single entry into a matrix.
558 
559    Not collective
560 
561    Input Parameters:
562 +  m - the matrix
563 .  row - the row location of the entry
564 .  col - the column location of the entry
565 .  value - the value to insert
566 -  mode - either INSERT_VALUES or ADD_VALUES
567 
568    Notes:
569    For efficiency one should use MatSetValues() and set several or many
570    values simultaneously if possible.
571 
572    Level: beginner
573 
574 .seealso: MatSetValues(), MatSetValueLocal()
575 M*/
576 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
577 
578 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
579 
580 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
581 
582 /*MC
583    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
584        row in a matrix providing the data that one can use to correctly preallocate the matrix.
585 
586    Synopsis:
587    #include "petscmat.h"
588    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
589 
590    Collective on MPI_Comm
591 
592    Input Parameters:
593 +  comm - the communicator that will share the eventually allocated matrix
594 .  nrows - the number of LOCAL rows in the matrix
595 -  ncols - the number of LOCAL columns in the matrix
596 
597    Output Parameters:
598 +  dnz - the array that will be passed to the matrix preallocation routines
599 -  ozn - the other array passed to the matrix preallocation routines
600 
601 
602    Level: intermediate
603 
604    Notes:
605     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
606 
607    Do not malloc or free dnz and onz, that is handled internally by these routines
608 
609    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)
610 
611    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
612 
613   Concepts: preallocation^Matrix
614 
615 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateSetLocal(),
616           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocal()
617 M*/
618 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
619 { \
620   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ctmp = (ncols),__rstart,__start,__end; \
621   _4_ierr = PetscMalloc2(__nrows,PetscInt,&dnz,__nrows,PetscInt,&onz);CHKERRQ(_4_ierr); \
622   _4_ierr = PetscMemzero(dnz,__nrows*sizeof(PetscInt));CHKERRQ(_4_ierr);\
623   _4_ierr = PetscMemzero(onz,__nrows*sizeof(PetscInt));CHKERRQ(_4_ierr); __start = 0; __end = __start; \
624   _4_ierr = MPI_Scan(&__ctmp,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ctmp;\
625   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows;
626 
627 /*MC
628    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
629        inserted using a local number of the rows and columns
630 
631    Synopsis:
632    #include "petscmat.h"
633    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
634 
635    Not Collective
636 
637    Input Parameters:
638 +  map - the row mapping from local numbering to global numbering
639 .  nrows - the number of rows indicated
640 .  rows - the indices of the rows
641 .  cmap - the column mapping from local to global numbering
642 .  ncols - the number of columns in the matrix
643 .  cols - the columns indicated
644 .  dnz - the array that will be passed to the matrix preallocation routines
645 -  ozn - the other array passed to the matrix preallocation routines
646 
647 
648    Level: intermediate
649 
650    Notes:
651     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
652 
653    Do not malloc or free dnz and onz, that is handled internally by these routines
654 
655   Concepts: preallocation^Matrix
656 
657 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateInitialize(),
658           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocal()
659 M*/
660 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
661 {\
662   PetscInt __l;\
663   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
664   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
665   for (__l=0;__l<nrows;__l++) {\
666     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
667   }\
668 }
669 
670 /*MC
671    MatPreallocateSymmetricSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
672        inserted using a local number of the rows and columns
673 
674    Synopsis:
675    #include "petscmat.h"
676    PetscErrorCode MatPreallocateSymmetricSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
677 
678    Not Collective
679 
680    Input Parameters:
681 +  map - the mapping between local numbering and global numbering
682 .  nrows - the number of rows indicated
683 .  rows - the indices of the rows
684 .  ncols - the number of columns in the matrix
685 .  cols - the columns indicated
686 .  dnz - the array that will be passed to the matrix preallocation routines
687 -  ozn - the other array passed to the matrix preallocation routines
688 
689 
690    Level: intermediate
691 
692    Notes:
693     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
694 
695    Do not malloc or free dnz and onz that is handled internally by these routines
696 
697   Concepts: preallocation^Matrix
698 
699 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateInitialize(),
700           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocal(), MatPreallocateSetLocal()
701 M*/
702 #define MatPreallocateSymmetricSetLocal(map,nrows,rows,ncols,cols,dnz,onz) 0;\
703 {\
704   PetscInt __l;\
705   _4_ierr = ISLocalToGlobalMappingApply(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
706   _4_ierr = ISLocalToGlobalMappingApply(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
707   for (__l=0;__l<nrows;__l++) {\
708     _4_ierr = MatPreallocateSymmetricSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
709   }\
710 }
711 
712 /*MC
713    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
714        inserted using a local number of the rows and columns
715 
716    Synopsis:
717    #include "petscmat.h"
718    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
719 
720    Not Collective
721 
722    Input Parameters:
723 +  row - the row
724 .  ncols - the number of columns in the matrix
725 -  cols - the columns indicated
726 
727    Output Parameters:
728 +  dnz - the array that will be passed to the matrix preallocation routines
729 -  ozn - the other array passed to the matrix preallocation routines
730 
731 
732    Level: intermediate
733 
734    Notes:
735     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
736 
737    Do not malloc or free dnz and onz that is handled internally by these routines
738 
739    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
740 
741   Concepts: preallocation^Matrix
742 
743 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateInitialize(),
744           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocal(), MatPreallocateSetLocal()
745 M*/
746 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
747 { PetscInt __i; \
748   if (row < __rstart) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to set preallocation for row %D less than first local row %D",row,__rstart);\
749   if (row >= __rstart+__nrows) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to set preallocation for row %D greater than last local row %D",row,__rstart+__nrows-1);\
750   for (__i=0; __i<nc; __i++) {\
751     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
752     else dnz[row - __rstart]++;\
753   }\
754 }
755 
756 /*MC
757    MatPreallocateSymmetricSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
758        inserted using a local number of the rows and columns
759 
760    Synopsis:
761    #include "petscmat.h"
762    PetscErrorCode MatPreallocateSymmetricSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
763 
764    Not Collective
765 
766    Input Parameters:
767 +  nrows - the number of rows indicated
768 .  rows - the indices of the rows
769 .  ncols - the number of columns in the matrix
770 .  cols - the columns indicated
771 .  dnz - the array that will be passed to the matrix preallocation routines
772 -  ozn - the other array passed to the matrix preallocation routines
773 
774 
775    Level: intermediate
776 
777    Notes:
778     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
779 
780    Do not malloc or free dnz and onz that is handled internally by these routines
781 
782    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
783 
784   Concepts: preallocation^Matrix
785 
786 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateInitialize(),
787           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocal(), MatPreallocateSetLocal()
788 M*/
789 #define MatPreallocateSymmetricSet(row,nc,cols,dnz,onz) 0;\
790 { PetscInt __i; \
791   for (__i=0; __i<nc; __i++) {\
792     if (cols[__i] >= __end) onz[row - __rstart]++; \
793     else if (cols[__i] >= row) dnz[row - __rstart]++;\
794   }\
795 }
796 
797 /*MC
798    MatPreallocateLocation -  An alternative to MatPreallocationSet() that puts the nonzero locations into the matrix if it exists
799 
800    Synopsis:
801    #include "petscmat.h"
802    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
803 
804    Not Collective
805 
806    Input Parameters:
807 .  A - matrix
808 .  row - row where values exist (must be local to this process)
809 .  ncols - number of columns
810 .  cols - columns with nonzeros
811 .  dnz - the array that will be passed to the matrix preallocation routines
812 -  ozn - the other array passed to the matrix preallocation routines
813 
814 
815    Level: intermediate
816 
817    Notes:
818     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
819 
820    Do not malloc or free dnz and onz that is handled internally by these routines
821 
822    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
823 
824   Concepts: preallocation^Matrix
825 
826 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateSetLocal(),
827           MatPreallocateSymmetricSetLocal()
828 M*/
829 #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0;if (A) {ierr = MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);CHKERRQ(ierr);} else {ierr =  MatPreallocateSet(row,ncols,cols,dnz,onz);CHKERRQ(ierr);}
830 
831 
832 /*MC
833    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
834        row in a matrix providing the data that one can use to correctly preallocate the matrix.
835 
836    Synopsis:
837    #include "petscmat.h"
838    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
839 
840    Collective on MPI_Comm
841 
842    Input Parameters:
843 +  dnz - the array that was be passed to the matrix preallocation routines
844 -  ozn - the other array passed to the matrix preallocation routines
845 
846 
847    Level: intermediate
848 
849    Notes:
850     See the <A href="../../docs/manual.pdf#nameddest=ch_performance">Hints for Performance Improvment</A> chapter in the users manual for more details.
851 
852    Do not malloc or free dnz and onz that is handled internally by these routines
853 
854    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
855 
856   Concepts: preallocation^Matrix
857 
858 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSet(), MatPreallocateSetLocal(),
859           MatPreallocateSymmetricSetLocal()
860 M*/
861 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);}
862 
863 
864 
865 /* Routines unique to particular data structures */
866 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
867 
868 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
869 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
870 
871 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
872 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
873 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
874 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
875 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
876 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
877 
878 #define MAT_SKIP_ALLOCATION -4
879 
880 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
881 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
882 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
883 
884 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
885 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
886 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
887 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
888 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
889 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
890 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
891 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
892 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
893 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
894 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
895 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
896 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
897 
898 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
899 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
900 
901 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
902 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
903 
904 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
905 
906 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
907 /*
908   These routines are not usually accessed directly, rather solving is
909   done through the KSP and PC interfaces.
910 */
911 
912 /*J
913     MatOrderingType - String with the name of a PETSc matrix ordering
914 
915    Level: beginner
916 
917 .seealso: MatGetOrdering()
918 J*/
919 typedef const char* MatOrderingType;
920 #define MATORDERINGNATURAL     "natural"
921 #define MATORDERINGND          "nd"
922 #define MATORDERING1WD         "1wd"
923 #define MATORDERINGRCM         "rcm"
924 #define MATORDERINGQMD         "qmd"
925 #define MATORDERINGROWLENGTH   "rowlength"
926 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
927 
928 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
929 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
930 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
931 PETSC_EXTERN PetscErrorCode MatOrderingRegisterAll(void);
932 PETSC_EXTERN PetscBool         MatOrderingRegisterAllCalled;
933 PETSC_EXTERN PetscFunctionList MatOrderingList;
934 
935 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
936 
937 /*S
938     MatFactorShiftType - Numeric Shift.
939 
940    Level: beginner
941 
942 S*/
943 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
944 PETSC_EXTERN const char *const MatFactorShiftTypes[];
945 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
946 
947 /*S
948    MatFactorInfo - Data passed into the matrix factorization routines
949 
950    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
951 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
952 
953    Notes: These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
954 
955       You can use MatFactorInfoInitialize() to set default values.
956 
957    Level: developer
958 
959 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
960           MatFactorInfoInitialize()
961 
962 S*/
963 typedef struct {
964   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
965   PetscReal     usedt;
966   PetscReal     dt;             /* drop tolerance */
967   PetscReal     dtcol;          /* tolerance for pivoting */
968   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
969   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
970   PetscReal     levels;         /* ICC/ILU(levels) */
971   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
972                                    factorization may be faster if do not pivot */
973   PetscReal     zeropivot;      /* pivot is called zero if less than this */
974   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
975   PetscReal     shiftamount;     /* how large the shift is */
976 } MatFactorInfo;
977 
978 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
979 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
980 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
981 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
982 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
983 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
984 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
985 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
986 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
987 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
988 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
989 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
990 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
991 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
992 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
993 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
994 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
995 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
996 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
997 
998 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
999 
1000 /*E
1001     MatSORType - What type of (S)SOR to perform
1002 
1003     Level: beginner
1004 
1005    May be bitwise ORd together
1006 
1007    Any additions/changes here MUST also be made in include/finclude/petscmat.h
1008 
1009    MatSORType may be bitwise ORd together, so do not change the numbers
1010 
1011 .seealso: MatSOR()
1012 E*/
1013 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1014               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1015               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1016               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1017 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1018 
1019 /*
1020     These routines are for efficiently computing Jacobians via finite differences.
1021 */
1022 
1023 /*J
1024     MatColoringType - String with the name of a PETSc matrix coloring
1025 
1026    Level: beginner
1027 
1028 .seealso: MatGetColoring(), MatColoring
1029 J*/
1030 typedef struct _p_MatColoring* MatColoring;
1031 typedef const  char*           MatColoringType;
1032 #define MATCOLORINGMIS     "mis"
1033 #define MATCOLORINGNATURAL "natural"
1034 #define MATCOLORINGSL      "sl"
1035 #define MATCOLORINGLF      "lf"
1036 #define MATCOLORINGID      "id"
1037 
1038 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1039 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1040 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1041 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1042 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1043 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1044 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1045 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1046 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1047 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1048 PETSC_EXTERN PetscErrorCode MatColoringRegisterAll(void);
1049 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1050 PETSC_EXTERN PetscBool MatColoringRegisterAllCalled;
1051 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1052 
1053 /*S
1054      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1055         and coloring
1056 
1057    Level: beginner
1058 
1059   Concepts: coloring, sparse Jacobian, finite differences
1060 
1061 .seealso:  MatFDColoringCreate()
1062 S*/
1063 typedef struct _p_MatFDColoring* MatFDColoring;
1064 
1065 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1066 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1067 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1068 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1069 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1070 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1071 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1072 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,MatStructure*,void *);
1073 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1074 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,PetscInt*[]);
1075 
1076 /*S
1077      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1078 
1079    Level: beginner
1080 
1081   Concepts: coloring, sparse matrix product
1082 
1083 .seealso:  MatTransposeColoringCreate()
1084 S*/
1085 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1086 
1087 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1088 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1089 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1090 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1091 
1092 /*
1093     These routines are for partitioning matrices: currently used only
1094   for adjacency matrix, MatCreateMPIAdj().
1095 */
1096 
1097 /*S
1098      MatPartitioning - Object for managing the partitioning of a matrix or graph
1099 
1100    Level: beginner
1101 
1102   Concepts: partitioning
1103 
1104 .seealso:  MatPartitioningCreate(), MatPartitioningType
1105 S*/
1106 typedef struct _p_MatPartitioning* MatPartitioning;
1107 
1108 /*J
1109     MatPartitioningType - String with the name of a PETSc matrix partitioning
1110 
1111    Level: beginner
1112 dm
1113 .seealso: MatPartitioningCreate(), MatPartitioning
1114 J*/
1115 typedef const char* MatPartitioningType;
1116 #define MATPARTITIONINGCURRENT  "current"
1117 #define MATPARTITIONINGSQUARE   "square"
1118 #define MATPARTITIONINGPARMETIS "parmetis"
1119 #define MATPARTITIONINGCHACO    "chaco"
1120 #define MATPARTITIONINGPARTY    "party"
1121 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1122 
1123 
1124 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1125 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1126 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1127 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1128 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1129 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1130 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1131 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1132 
1133 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1134 
1135 PETSC_EXTERN PetscBool MatPartitioningRegisterAllCalled;
1136 
1137 PETSC_EXTERN PetscErrorCode MatPartitioningRegisterAll(void);
1138 
1139 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1140 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1141 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1142 
1143 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1144 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1145 
1146 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1147 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1148 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1149 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1150 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1151 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1152 
1153 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1154 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1155 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1156 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1157 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1158 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1159 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1160 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1161 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1162 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1163 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1164 
1165 #define MP_PARTY_OPT "opt"
1166 #define MP_PARTY_LIN "lin"
1167 #define MP_PARTY_SCA "sca"
1168 #define MP_PARTY_RAN "ran"
1169 #define MP_PARTY_GBF "gbf"
1170 #define MP_PARTY_GCF "gcf"
1171 #define MP_PARTY_BUB "bub"
1172 #define MP_PARTY_DEF "def"
1173 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1174 #define MP_PARTY_HELPFUL_SETS "hs"
1175 #define MP_PARTY_KERNIGHAN_LIN "kl"
1176 #define MP_PARTY_NONE "no"
1177 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1178 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1179 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1180 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1181 
1182 typedef enum { MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1183 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1184 
1185 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1186 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1187 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1188 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1189 
1190 /*
1191     These routines are for coarsening matrices:
1192 */
1193 
1194 /*S
1195      MatCoarsen - Object for managing the coarsening of a graph (symmetric matrix)
1196 
1197    Level: beginner
1198 
1199   Concepts: coarsen
1200 
1201 .seealso:  MatCoarsenCreate), MatCoarsenType
1202 S*/
1203 typedef struct _p_MatCoarsen* MatCoarsen;
1204 
1205 /*J
1206     MatCoarsenType - String with the name of a PETSc matrix coarsen
1207 
1208    Level: beginner
1209 
1210 .seealso: MatCoarsenCreate(), MatCoarsen
1211 J*/
1212 typedef const char* MatCoarsenType;
1213 #define MATCOARSENMIS  "mis"
1214 #define MATCOARSENHEM  "hem"
1215 
1216 /* linked list for aggregates */
1217 typedef struct _PetscCDIntNd{
1218   struct _PetscCDIntNd *next;
1219   PetscInt             gid;
1220 }PetscCDIntNd;
1221 
1222 /* only used by node pool */
1223 typedef struct _PetscCDArrNd{
1224   struct _PetscCDArrNd *next;
1225   struct _PetscCDIntNd *array;
1226 }PetscCDArrNd;
1227 
1228 typedef struct _PetscCoarsenData{
1229   PetscCDArrNd pool_list;  /* node pool */
1230   PetscCDIntNd *new_node;
1231   PetscInt     new_left;
1232   PetscInt     chk_sz;
1233   PetscCDIntNd *extra_nodes;
1234   PetscCDIntNd **array;  /* Array of lists */
1235   PetscInt     size;
1236   Mat          mat;  /* cache a Mat for communication data */
1237 }PetscCoarsenData;
1238 
1239 PETSC_EXTERN PetscErrorCode MatCoarsenCreate(MPI_Comm,MatCoarsen*);
1240 PETSC_EXTERN PetscErrorCode MatCoarsenSetType(MatCoarsen,MatCoarsenType);
1241 PETSC_EXTERN PetscErrorCode MatCoarsenSetAdjacency(MatCoarsen,Mat);
1242 PETSC_EXTERN PetscErrorCode MatCoarsenSetGreedyOrdering(MatCoarsen,const IS);
1243 PETSC_EXTERN PetscErrorCode MatCoarsenSetStrictAggs(MatCoarsen,PetscBool);
1244 PETSC_EXTERN PetscErrorCode MatCoarsenSetVerbose(MatCoarsen,PetscInt);
1245 PETSC_EXTERN PetscErrorCode MatCoarsenGetData( MatCoarsen, PetscCoarsenData ** );
1246 PETSC_EXTERN PetscErrorCode MatCoarsenApply(MatCoarsen);
1247 PETSC_EXTERN PetscErrorCode MatCoarsenDestroy(MatCoarsen*);
1248 
1249 PETSC_EXTERN PetscErrorCode MatCoarsenRegister(const char[],PetscErrorCode (*)(MatCoarsen));
1250 
1251 PETSC_EXTERN PetscBool MatCoarsenRegisterAllCalled;
1252 
1253 PETSC_EXTERN PetscErrorCode MatCoarsenRegisterAll(void);
1254 
1255 PETSC_EXTERN PetscErrorCode MatCoarsenView(MatCoarsen,PetscViewer);
1256 PETSC_EXTERN PetscErrorCode MatCoarsenSetFromOptions(MatCoarsen);
1257 PETSC_EXTERN PetscErrorCode MatCoarsenGetType(MatCoarsen,MatCoarsenType*);
1258 
1259 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1260 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1261 
1262 /*
1263     If you add entries here you must also add them to finclude/petscmat.h
1264 */
1265 typedef enum { MATOP_SET_VALUES=0,
1266                MATOP_GET_ROW=1,
1267                MATOP_RESTORE_ROW=2,
1268                MATOP_MULT=3,
1269                MATOP_MULT_ADD=4,
1270                MATOP_MULT_TRANSPOSE=5,
1271                MATOP_MULT_TRANSPOSE_ADD=6,
1272                MATOP_SOLVE=7,
1273                MATOP_SOLVE_ADD=8,
1274                MATOP_SOLVE_TRANSPOSE=9,
1275                MATOP_SOLVE_TRANSPOSE_ADD=10,
1276                MATOP_LUFACTOR=11,
1277                MATOP_CHOLESKYFACTOR=12,
1278                MATOP_SOR=13,
1279                MATOP_TRANSPOSE=14,
1280                MATOP_GETINFO=15,
1281                MATOP_EQUAL=16,
1282                MATOP_GET_DIAGONAL=17,
1283                MATOP_DIAGONAL_SCALE=18,
1284                MATOP_NORM=19,
1285                MATOP_ASSEMBLY_BEGIN=20,
1286                MATOP_ASSEMBLY_END=21,
1287                MATOP_SET_OPTION=22,
1288                MATOP_ZERO_ENTRIES=23,
1289                MATOP_ZERO_ROWS=24,
1290                MATOP_LUFACTOR_SYMBOLIC=25,
1291                MATOP_LUFACTOR_NUMERIC=26,
1292                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1293                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1294                MATOP_SETUP_PREALLOCATION=29,
1295                MATOP_ILUFACTOR_SYMBOLIC=30,
1296                MATOP_ICCFACTOR_SYMBOLIC=31,
1297                MATOP_GET_ARRAY=32,
1298                MATOP_RESTORE_ARRAY=33,
1299                MATOP_DUPLICATE=34,
1300                MATOP_FORWARD_SOLVE=35,
1301                MATOP_BACKWARD_SOLVE=36,
1302                MATOP_ILUFACTOR=37,
1303                MATOP_ICCFACTOR=38,
1304                MATOP_AXPY=39,
1305                MATOP_GET_SUBMATRICES=40,
1306                MATOP_INCREASE_OVERLAP=41,
1307                MATOP_GET_VALUES=42,
1308                MATOP_COPY=43,
1309                MATOP_GET_ROW_MAX=44,
1310                MATOP_SCALE=45,
1311                MATOP_SHIFT=46,
1312                MATOP_DIAGONAL_SET=47,
1313                MATOP_ILUDT_FACTOR=48,
1314                MATOP_SET_BLOCK_SIZE=49,
1315                MATOP_GET_ROW_IJ=50,
1316                MATOP_RESTORE_ROW_IJ=51,
1317                MATOP_GET_COLUMN_IJ=52,
1318                MATOP_RESTORE_COLUMN_IJ=53,
1319                MATOP_FDCOLORING_CREATE=54,
1320                MATOP_COLORING_PATCH=55,
1321                MATOP_SET_UNFACTORED=56,
1322                MATOP_PERMUTE=57,
1323                MATOP_SET_VALUES_BLOCKED=58,
1324                MATOP_GET_SUBMATRIX=59,
1325                MATOP_DESTROY=60,
1326                MATOP_VIEW=61,
1327                MATOP_CONVERT_FROM=62,
1328                MATOP_MATMAT_MULT=63,
1329                MATOP_MATMAT_MULT_SYMBOLIC=64,
1330                MATOP_MATMAT_MULT_NUMERIC=65,
1331                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1332                MATOP_SET_VALUES_LOCAL=67,
1333                MATOP_ZERO_ROWS_LOCAL=68,
1334                MATOP_GET_ROW_MAX_ABS=69,
1335                MATOP_GET_ROW_MIN_ABS=70,
1336                MATOP_CONVERT=71,
1337                MATOP_SET_COLORING=72,
1338                MATOP_PLACEHOLDER=73,
1339                MATOP_SET_VALUES_ADIFOR=74,
1340                MATOP_FD_COLORING_APPLY=75,
1341                MATOP_SET_FROM_OPTIONS=76,
1342                MATOP_MULT_CONSTRAINED=77,
1343                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1344                MATOP_PERMUTE_SPARSIFY=79,
1345                MATOP_MULT_MULTIPLE=80,
1346                MATOP_SOLVE_MULTIPLE=81,
1347                MATOP_GET_INERTIA=82,
1348                MATOP_LOAD=83,
1349                MATOP_IS_SYMMETRIC=84,
1350                MATOP_IS_HERMITIAN=85,
1351                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1352                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1353                MATOP_GET_VECS=88,
1354                MATOP_MAT_MULT=89,
1355                MATOP_MAT_MULT_SYMBOLIC=90,
1356                MATOP_MAT_MULT_NUMERIC=91,
1357                MATOP_PTAP=92,
1358                MATOP_PTAP_SYMBOLIC=93,
1359                MATOP_PTAP_NUMERIC=94,
1360                MATOP_MAT_TRANSPOSE_MULT=95,
1361                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1362                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1363                MATOP_DUMMY98=98,
1364                MATOP_DUMMY99=99,
1365                MATOP_DUMMY100=100,
1366                MATOP_DUMMY101=101,
1367                MATOP_CONJUGATE=102,
1368                MATOP_SET_SIZES=103,
1369                MATOP_SET_VALUES_ROW=104,
1370                MATOP_REAL_PART=105,
1371                MATOP_IMAGINARY_PART=106,
1372                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1373                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1374                MATOP_MAT_SOLVE=109,
1375                MATOP_GET_REDUNDANT_MATRIX=110,
1376                MATOP_GET_ROW_MIN=111,
1377                MATOP_GET_COLUMN_VECTOR=112,
1378                MATOP_MISSING_DIAGONAL=113,
1379                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1380                MATOP_CREATE=115,
1381                MATOP_GET_GHOSTS=116,
1382                MATOP_GET_LOCAL_SUB_MATRIX=117,
1383                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1384                MATOP_MULT_DIAGONAL_BLOCK=119,
1385                MATOP_HERMITIAN_TRANSPOSE=120,
1386                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1387                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1388                MATOP_GET_MULTI_PROC_BLOCK=123,
1389                MATOP_GET_COLUMN_NORMS=125,
1390                MATOP_GET_SUB_MATRICES_PARALLE=128,
1391                MATOP_SET_VALUES_BATCH=129,
1392                MATOP_TRANSPOSE_MAT_MULT=130,
1393                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1394                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1395                MATOP_TRANSPOSE_COLORING_CREAT=133,
1396                MATOP_TRANS_COLORING_APPLY_SPT=134,
1397                MATOP_TRANS_COLORING_APPLY_DEN=135,
1398                MATOP_RART=136,
1399                MATOP_RART_SYMBOLIC=137,
1400                MATOP_RART_NUMERIC=138,
1401                MATOP_SET_BLOCK_SIZES=139,
1402                MATOP_AYPX=140,
1403                MATOP_RESIDUAL=141
1404              } MatOperation;
1405 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1406 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1407 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1408 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1409 
1410 /*
1411    Codes for matrices stored on disk. By default they are
1412    stored in a universal format. By changing the format with
1413    PetscViewerSetFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1414    be stored in a way natural for the matrix, for example dense matrices
1415    would be stored as dense. Matrices stored this way may only be
1416    read into matrices of the same type.
1417 */
1418 #define MATRIX_BINARY_FORMAT_DENSE -1
1419 
1420 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1421 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1422 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1423 
1424 /*S
1425      MatNullSpace - Object that removes a null space from a vector, i.e.
1426          orthogonalizes the vector to a subsapce
1427 
1428    Level: advanced
1429 
1430   Concepts: matrix; linear operator, null space
1431 
1432   Users manual sections:
1433 .   sec_singular
1434 
1435 .seealso:  MatNullSpaceCreate()
1436 S*/
1437 typedef struct _p_MatNullSpace* MatNullSpace;
1438 
1439 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1440 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1441 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1442 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1443 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1444 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1445 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1446 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1447 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1448 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1449 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1450 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1451 
1452 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1453 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1454 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1455 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1456 
1457 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1458 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1459 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1460 
1461 PETSC_EXTERN PetscErrorCode MatComputeExplicitOperator(Mat,Mat*);
1462 
1463 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1464 
1465 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1466 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1467 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1468 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1469 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1470 PETSC_EXTERN PetscErrorCode MatMFFDAddNullSpace(Mat,MatNullSpace);
1471 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1472 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1473 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1474 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1475 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1476 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1477 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1478 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1479 
1480 /*S
1481     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1482               Jacobian vector products
1483 
1484     Notes: MATMFFD is a specific MatType which uses the MatMFFD data structure
1485 
1486            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1487 
1488     Level: developer
1489 
1490 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1491 S*/
1492 typedef struct _p_MatMFFD* MatMFFD;
1493 
1494 /*J
1495     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1496 
1497    Level: beginner
1498 
1499 .seealso: MatMFFDSetType(), MatMFFDRegister()
1500 J*/
1501 typedef const char* MatMFFDType;
1502 #define MATMFFD_DS  "ds"
1503 #define MATMFFD_WP  "wp"
1504 
1505 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1506 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1507 
1508 PETSC_EXTERN PetscErrorCode MatMFFDRegisterAll(void);
1509 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1510 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1511 
1512 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1513 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1514 
1515 /*
1516    PETSc interface to MUMPS
1517 */
1518 #ifdef PETSC_HAVE_MUMPS
1519 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1520 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1521 #endif
1522 
1523 /*
1524    PETSc interface to SUPERLU
1525 */
1526 #ifdef PETSC_HAVE_SUPERLU
1527 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1528 #endif
1529 
1530 #ifdef PETSC_HAVE_CUDA
1531 /*E
1532     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1533     matrices.
1534 
1535     Not Collective
1536 
1537 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1538 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1539 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1540 
1541     Level: intermediate
1542 
1543    Any additions/changes here MUST also be made in include/finclude/petscmat.h
1544 
1545 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1546 E*/
1547 
1548 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1549 
1550 /* these will be strings associated with enumerated type defined above */
1551 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1552 
1553 /*E
1554     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1555     matrices whose operation should use a particular storage format.
1556 
1557     Not Collective
1558 
1559 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1560 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1561 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1562 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1563 
1564     Level: intermediate
1565 
1566 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1567 E*/
1568 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1569 
1570 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1571 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1572 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1573 #endif
1574 
1575 #if defined(PETSC_HAVE_CUSP)
1576 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1577 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1578 
1579 /*E
1580     MatCUSPStorageFormat - indicates the storage format for CUSP (GPU)
1581     matrices.
1582 
1583     Not Collective
1584 
1585 +   MAT_CUSP_CSR - Compressed Sparse Row
1586 .   MAT_CUSP_DIA - Diagonal
1587 -   MAT_CUSP_ELL - Ellpack
1588 
1589     Level: intermediate
1590 
1591    Any additions/changes here MUST also be made in include/finclude/petscmat.h
1592 
1593 .seealso: MatCUSPSetFormat(), MatCUSPFormatOperation
1594 E*/
1595 typedef enum {MAT_CUSP_CSR, MAT_CUSP_DIA, MAT_CUSP_ELL} MatCUSPStorageFormat;
1596 
1597 /* these will be strings associated with enumerated type defined above */
1598 PETSC_EXTERN const char *const MatCUSPStorageFormats[];
1599 
1600 /*E
1601     MatCUSPFormatOperation - indicates the operation of CUSP (GPU)
1602     matrices whose operation should use a particular storage format.
1603 
1604     Not Collective
1605 
1606 +   MAT_CUSP_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1607 .   MAT_CUSP_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1608 .   MAT_CUSP_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1609 -   MAT_CUSP_ALL - sets the storage format for all CUSP (GPU) matrices
1610 
1611     Level: intermediate
1612 
1613    Any additions/changes here MUST also be made in include/finclude/petscmat.h
1614 
1615 .seealso: MatCUSPSetFormat(), MatCUSPStorageFormat
1616 E*/
1617 typedef enum {MAT_CUSP_MULT_DIAG, MAT_CUSP_MULT_OFFDIAG, MAT_CUSP_MULT, MAT_CUSP_ALL} MatCUSPFormatOperation;
1618 
1619 PETSC_EXTERN PetscErrorCode MatCUSPSetFormat(Mat,MatCUSPFormatOperation,MatCUSPStorageFormat);
1620 #endif
1621 
1622 #if defined(PETSC_HAVE_VIENNACL)
1623 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1624 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1625 #endif
1626 
1627 /*
1628    PETSc interface to FFTW
1629 */
1630 #if defined(PETSC_HAVE_FFTW)
1631 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1632 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1633 PETSC_EXTERN PetscErrorCode MatGetVecsFFTW(Mat,Vec*,Vec*,Vec*);
1634 #endif
1635 
1636 #if defined(PETSC_HAVE_ELEMENTAL)
1637 PETSC_EXTERN PetscErrorCode PetscElementalInitializePackage(void);
1638 PETSC_EXTERN PetscErrorCode PetscElementalFinalizePackage(void);
1639 #endif
1640 
1641 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1642 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1643 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1644 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1645 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1646 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1647 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1648 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1649 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1650 
1651 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1652 
1653 #endif
1654