xref: /petsc/include/petscmat.h (revision f3ad2dabeeec4f28c60c2ec01c2e17bf1d1407a7)
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, MatSolverType, 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 MATMPIAIJ          "mpiaij"
36 #define MATAIJCRL          "aijcrl"
37 #define MATSEQAIJCRL       "seqaijcrl"
38 #define MATMPIAIJCRL       "mpiaijcrl"
39 #define MATAIJCUSPARSE     "aijcusparse"
40 #define MATSEQAIJCUSPARSE  "seqaijcusparse"
41 #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
42 #define MATAIJVIENNACL     "aijviennacl"
43 #define MATSEQAIJVIENNACL  "seqaijviennacl"
44 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
45 #define MATAIJPERM         "aijperm"
46 #define MATSEQAIJPERM      "seqaijperm"
47 #define MATMPIAIJPERM      "mpiaijperm"
48 #define MATAIJMKL          "aijmkl"
49 #define MATSEQAIJMKL       "seqaijmkl"
50 #define MATMPIAIJMKL       "mpiaijmkl"
51 #define MATBAIJMKL         "baijmkl"
52 #define MATSEQBAIJMKL      "seqbaijmkl"
53 #define MATMPIBAIJMKL      "mpibaijmkl"
54 #define MATSHELL           "shell"
55 #define MATDENSE           "dense"
56 #define MATSEQDENSE        "seqdense"
57 #define MATMPIDENSE        "mpidense"
58 #define MATELEMENTAL       "elemental"
59 #define MATBAIJ            "baij"
60 #define MATSEQBAIJ         "seqbaij"
61 #define MATMPIBAIJ         "mpibaij"
62 #define MATMPIADJ          "mpiadj"
63 #define MATSBAIJ           "sbaij"
64 #define MATSEQSBAIJ        "seqsbaij"
65 #define MATMPISBAIJ        "mpisbaij"
66 #define MATDAAD            "daad"
67 #define MATMFFD            "mffd"
68 #define MATNORMAL          "normal"
69 #define MATNORMALHERMITIAN "normalh"
70 #define MATLRC             "lrc"
71 #define MATSCATTER         "scatter"
72 #define MATBLOCKMAT        "blockmat"
73 #define MATCOMPOSITE       "composite"
74 #define MATFFT             "fft"
75 #define MATFFTW            "fftw"
76 #define MATSEQCUFFT        "seqcufft"
77 #define MATTRANSPOSEMAT    "transpose"
78 #define MATSCHURCOMPLEMENT "schurcomplement"
79 #define MATPYTHON          "python"
80 #define MATHYPRE           "hypre"
81 #define MATHYPRESTRUCT     "hyprestruct"
82 #define MATHYPRESSTRUCT    "hypresstruct"
83 #define MATSUBMATRIX       "submatrix"
84 #define MATLOCALREF        "localref"
85 #define MATNEST            "nest"
86 #define MATPREALLOCATOR    "preallocator"
87 #define MATSELL            "sell"
88 #define MATSEQSELL         "seqsell"
89 #define MATMPISELL         "mpisell"
90 #define MATDUMMY           "dummy"
91 #define MATLMVM            "lmvm"
92 #define MATLMVMDFP         "lmvmdfp"
93 #define MATLMVMBFGS        "lmvmbfgs"
94 #define MATLMVMSR1         "lmvmsr1"
95 #define MATLMVMBRDN        "lmvmbrdn"
96 #define MATLMVMBADBRDN     "lmvmbadbrdn"
97 #define MATLMVMSYMBRDN     "lmvmsymbrdn"
98 
99 /*J
100     MatSolverType - String with the name of a PETSc matrix solver type.
101 
102     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
103 
104    Level: beginner
105 
106 .seealso: MatGetFactor(), Mat, MatSetType(), MatType
107 J*/
108 typedef const char* MatSolverType;
109 #define MATSOLVERSUPERLU          "superlu"
110 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
111 #define MATSOLVERSTRUMPACK        "strumpack"
112 #define MATSOLVERUMFPACK          "umfpack"
113 #define MATSOLVERCHOLMOD          "cholmod"
114 #define MATSOLVERKLU              "klu"
115 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
116 #define MATSOLVERELEMENTAL        "elemental"
117 #define MATSOLVERESSL             "essl"
118 #define MATSOLVERLUSOL            "lusol"
119 #define MATSOLVERMUMPS            "mumps"
120 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
121 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
122 #define MATSOLVERPASTIX           "pastix"
123 #define MATSOLVERMATLAB           "matlab"
124 #define MATSOLVERPETSC            "petsc"
125 #define MATSOLVERBAS              "bas"
126 #define MATSOLVERCUSPARSE         "cusparse"
127 
128 /*E
129     MatFactorType - indicates what type of factorization is requested
130 
131     Level: beginner
132 
133    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
134 
135 .seealso: MatSolverType, MatGetFactor()
136 E*/
137 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
138 PETSC_EXTERN const char *const MatFactorTypes[];
139 
140 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
141 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
142 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
143 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
144 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
145 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
146 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED("Use MatSolverType");
147 PETSC_DEPRECATED("Use MatSolverTypeRegister()") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageRegister(MatSolverType stype,MatType mtype,MatFactorType ftype,PetscErrorCode(*f)(Mat,MatFactorType,Mat*))
148 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
149 PETSC_DEPRECATED("Use MatSolverTypeGet()") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageGet(MatSolverType stype,MatType mtype,MatFactorType ftype,PetscBool *foundmtype,PetscBool *foundstype,PetscErrorCode(**f)(Mat,MatFactorType,Mat*))
150 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
151 
152 /* Logging support */
153 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
154 PETSC_EXTERN PetscClassId MAT_CLASSID;
155 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
156 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
157 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
158 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
159 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
160 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
161 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
162 
163 /*E
164     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
165      are to be reused to store the new matrix values.
166 
167 $  MAT_INITIAL_MATRIX - create a new matrix
168 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
169 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
170 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
171 
172     Level: beginner
173 
174    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
175 
176 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
177 E*/
178 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
179 
180 /*E
181     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
182      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
183 
184     Level: beginner
185 
186 .seealso: MatGetSeqNonzerostructure()
187 E*/
188 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
189 
190 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
191 
192 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
193 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
194 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
195 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
196 PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
197 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
198 PETSC_EXTERN PetscErrorCode MatRegisterBaseName(const char[],const char[],const char[]);
199 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
200 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
201 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
202 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
203 
204 PETSC_EXTERN PetscFunctionList MatList;
205 PETSC_EXTERN PetscFunctionList MatColoringList;
206 PETSC_EXTERN PetscFunctionList MatPartitioningList;
207 
208 /*E
209     MatStructure - Indicates if two matrices have the same nonzero structure
210 
211     Level: beginner
212 
213    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
214 
215 .seealso: MatCopy(), MatAXPY()
216 E*/
217 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
218 
219 #if defined PETSC_HAVE_MKL_SPARSE
220 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
221 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm comm,PetscInt bs,PetscInt m,PetscInt n,PetscInt nz,const PetscInt nnz[],Mat *A);
222 #endif
223 
224 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
225 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
226 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
227 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
228 
229 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
230 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
231 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
232 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
233 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
234 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
235 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
236 
237 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
238 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
239 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
240 
241 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
242 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
243 
244 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
245 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
246 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
247 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
248 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
249 
250 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
251 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
252 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
253 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
254 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
255 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
256 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
257 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
258 
259 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
260 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
261 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
262 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
263 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
264 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
265 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
266 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
267 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
268 
269 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
270 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
271 
272 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
273 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
274 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
275 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
276 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
277 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
278 
279 #if defined(PETSC_HAVE_HYPRE)
280 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
281 #endif
282 
283 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
284 
285 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
286 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
287 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
288 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
289 
290 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
291 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
292 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
293 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
294 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
295 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
296 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
297 
298 /* ------------------------------------------------------------*/
299 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
300 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
301 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
302 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
303 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
304 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
305 
306 /*S
307      MatStencil - Data structure (C struct) for storing information about a single row or
308         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
309 
310    The i,j, and k represent the logical coordinates over the entire grid (for 2 and 1 dimensional problems the k and j entries are ignored).
311    The c represents the the degrees of freedom at each grid point (the dof argument to DMDASetDOF()). If dof is 1 then this entry is ignored.
312 
313    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
314 
315    Fortran usage is different, see MatSetValuesStencil() for details.
316 
317    Level: beginner
318 
319   Concepts: matrix; linear operator
320 
321 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
322 S*/
323 typedef struct {
324   PetscInt k,j,i,c;
325 } MatStencil;
326 
327 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
328 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
329 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
330 
331 /*E
332     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
333      to continue to add or insert values to it
334 
335     Level: beginner
336 
337 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
338 E*/
339 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
340 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
341 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
342 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
343 
344 
345 
346 /*E
347     MatOption - Options that may be set for a matrix and its behavior or storage
348 
349     Level: beginner
350 
351    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
352    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
353 
354    Developer Notes:
355     Entries that are negative need not be called collectively by all processes.
356 
357 .seealso: MatSetOption()
358 E*/
359 typedef enum {MAT_OPTION_MIN = -3,
360               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
361               MAT_ROW_ORIENTED = -1,
362               MAT_SYMMETRIC = 1,
363               MAT_STRUCTURALLY_SYMMETRIC = 2,
364               MAT_NEW_DIAGONALS = 3,
365               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
366               MAT_USE_HASH_TABLE = 5,
367               MAT_KEEP_NONZERO_PATTERN = 6,
368               MAT_IGNORE_ZERO_ENTRIES = 7,
369               MAT_USE_INODES = 8,
370               MAT_HERMITIAN = 9,
371               MAT_SYMMETRY_ETERNAL = 10,
372               MAT_NEW_NONZERO_LOCATION_ERR = 11,
373               MAT_IGNORE_LOWER_TRIANGULAR = 12,
374               MAT_ERROR_LOWER_TRIANGULAR = 13,
375               MAT_GETROW_UPPERTRIANGULAR = 14,
376               MAT_SPD = 15,
377               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
378               MAT_NO_OFF_PROC_ENTRIES = 17,
379               MAT_NEW_NONZERO_LOCATIONS = 18,
380               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
381               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
382               MAT_SUBMAT_SINGLEIS = 21,
383               MAT_STRUCTURE_ONLY = 22,
384               MAT_OPTION_MAX = 23} MatOption;
385 
386 PETSC_EXTERN const char *const *MatOptions;
387 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
388 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
389 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
390 
391 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
392 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
393 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
394 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
395 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
396 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
397 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
398 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
399 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
400 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
401 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
402 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
403 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
404 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
405 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
406 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
407 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
408 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
409 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
410 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
411 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
412 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
413 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
414 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
415 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
416 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
417 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
418 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
419 
420 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
421 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
422 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
423 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
424 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
425 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
426 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
427 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
428 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
429 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
430 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
431 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
432 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
433 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
434 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
435 
436 /*E
437     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
438   its numerical values copied over or just its nonzero structure.
439 
440     Level: beginner
441 
442    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
443 
444 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
445 $                               with zeros for the numerical values.
446 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
447 $                               and with the same numerical values.
448 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
449 $                               and does not copy it, using zeros for the numerical values. The parent and
450 $                               child matrices will share their index (i and j) arrays, and you cannot
451 $                               insert new nonzero entries into either matrix.
452 
453 Notes:
454     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
455 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
456 
457 .seealso: MatDuplicate()
458 E*/
459 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
460 
461 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
462 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
463 
464 
465 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
466 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
467 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
468 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
469 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
470 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
471 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
472 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
473 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
474 
475 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
476 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
477 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
478 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
479 
480 /*S
481      MatInfo - Context of matrix information, used with MatGetInfo()
482 
483    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
484 
485    Level: intermediate
486 
487   Concepts: matrix^nonzero information
488 
489 .seealso:  MatGetInfo(), MatInfoType
490 S*/
491 typedef struct {
492   PetscLogDouble block_size;                         /* block size */
493   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
494   PetscLogDouble memory;                             /* memory allocated */
495   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
496   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
497   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
498   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
499 } MatInfo;
500 
501 /*E
502     MatInfoType - Indicates if you want information about the local part of the matrix,
503      the entire parallel matrix or the maximum over all the local parts.
504 
505     Level: beginner
506 
507    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
508 
509 .seealso: MatGetInfo(), MatInfo
510 E*/
511 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
512 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
513 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
514 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
515 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
516 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
517 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
518 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
519 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
520 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
521 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
522 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
523 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
524 
525 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
526 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
527 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
528 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
529 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
530 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
531 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
532 
533 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
534 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
535 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
536 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
537 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
538 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
539 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
540 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
541 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
542 
543 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
544 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
545 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
546 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
547 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
548 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
549 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
550 
551 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
552 PETSC_DEPRECATED("Use MatCreateSubMatrices()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrices(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatrices(mat,n,irow,icol,scall,submat);}
553 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
554 PETSC_DEPRECATED("Use MatCreateSubMatricesMPI()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatricesMPI(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatricesMPI(mat,n,irow,icol,scall,submat);}
555 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
556 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
557 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
558 PETSC_DEPRECATED("Use MatCreateSubMatrix()") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrix(Mat mat,IS isrow,IS iscol,MatReuse cll,Mat *newmat) {return MatCreateSubMatrix(mat,isrow,iscol,cll,newmat);}
559 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
560 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
561 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
562 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
563 
564 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
565 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
566 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
567 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
568 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
569 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
570 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
571 
572 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
573 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
574 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
575 
576 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
577 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
578 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
579 
580 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
581 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
582 
583 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
584 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
585 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
586 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
587 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
588 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
589 
590 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
591 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
592 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
593 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
594 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
595 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
596 
597 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
598 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
599 
600 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
601 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
602 
603 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
604 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
605 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
606 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
607 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
608 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
609 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
610 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
611 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
612 
613 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
614 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
615 
616 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
617 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
618 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
619 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
620 PETSC_DEPRECATED("Use MatCreateVecs()") PETSC_STATIC_INLINE PetscErrorCode MatGetVecs(Mat mat,Vec *x,Vec *y) {return MatCreateVecs(mat,x,y);}
621 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
622 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
623 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
624 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
625 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
626 
627 /*MC
628    MatSetValue - Set a single entry into a matrix.
629 
630    Not collective
631 
632    Synopsis:
633      #include <petscmat.h>
634      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
635 
636    Input Parameters:
637 +  m - the matrix
638 .  row - the row location of the entry
639 .  col - the column location of the entry
640 .  value - the value to insert
641 -  mode - either INSERT_VALUES or ADD_VALUES
642 
643    Notes:
644    For efficiency one should use MatSetValues() and set several or many
645    values simultaneously if possible.
646 
647    Level: beginner
648 
649 .seealso: MatSetValues(), MatSetValueLocal()
650 M*/
651 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
652 
653 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
654 
655 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
656 
657 /*MC
658    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
659        row in a matrix providing the data that one can use to correctly preallocate the matrix.
660 
661    Synopsis:
662    #include <petscmat.h>
663    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
664 
665    Collective on MPI_Comm
666 
667    Input Parameters:
668 +  comm - the communicator that will share the eventually allocated matrix
669 .  nrows - the number of LOCAL rows in the matrix
670 -  ncols - the number of LOCAL columns in the matrix
671 
672    Output Parameters:
673 +  dnz - the array that will be passed to the matrix preallocation routines
674 -  onz - the other array passed to the matrix preallocation routines
675 
676    Level: intermediate
677 
678    Notes:
679     See Users-Manual: ch_performance for more details.
680 
681    Do not malloc or free dnz and onz, that is handled internally by these routines
682 
683    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)
684 
685    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
686 
687   Concepts: preallocation^Matrix
688 
689 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
690           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock()
691 M*/
692 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
693 { \
694   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
695   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
696   __start = 0; __end = __start;                                         \
697   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
698   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows;
699 
700 /*MC
701    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
702        inserted using a local number of the rows and columns
703 
704    Synopsis:
705    #include <petscmat.h>
706    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
707 
708    Not Collective
709 
710    Input Parameters:
711 +  map - the row mapping from local numbering to global numbering
712 .  nrows - the number of rows indicated
713 .  rows - the indices of the rows
714 .  cmap - the column mapping from local to global numbering
715 .  ncols - the number of columns in the matrix
716 .  cols - the columns indicated
717 .  dnz - the array that will be passed to the matrix preallocation routines
718 -  onz - the other array passed to the matrix preallocation routines
719 
720    Level: intermediate
721 
722    Notes:
723     See Users-Manual: ch_performance for more details.
724 
725    Do not malloc or free dnz and onz, that is handled internally by these routines
726 
727   Concepts: preallocation^Matrix
728 
729 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
730           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
731 M*/
732 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
733 {\
734   PetscInt __l;\
735   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
736   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
737   for (__l=0;__l<nrows;__l++) {\
738     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
739   }\
740 }
741 
742 /*MC
743    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
744        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
745 
746    Synopsis:
747    #include <petscmat.h>
748    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
749 
750    Not Collective
751 
752    Input Parameters:
753 +  map - the row mapping from local numbering to global numbering
754 .  nrows - the number of rows indicated
755 .  rows - the indices of the rows (these values are mapped to the global values)
756 .  cmap - the column mapping from local to global numbering
757 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
758 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
759 .  dnz - the array that will be passed to the matrix preallocation routines
760 -  onz - the other array passed to the matrix preallocation routines
761 
762    Level: intermediate
763 
764    Notes:
765     See Users-Manual: ch_performance for more details.
766 
767    Do not malloc or free dnz and onz, that is handled internally by these routines
768 
769   Concepts: preallocation^Matrix
770 
771 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
772           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
773 M*/
774 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
775 {\
776   PetscInt __l;\
777   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
778   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
779   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
780   for (__l=0;__l<nrows;__l++) {\
781     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
782   }\
783 }
784 
785 /*MC
786    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
787        inserted using a local number of the rows and columns
788 
789    Synopsis:
790    #include <petscmat.h>
791    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
792 
793    Not Collective
794 
795    Input Parameters:
796 +  map - the row mapping from local numbering to global numbering
797 .  nrows - the number of rows indicated
798 .  rows - the indices of the rows
799 .  cmap - the column mapping from local to global numbering
800 .  ncols - the number of columns in the matrix
801 .  cols - the columns indicated
802 .  dnz - the array that will be passed to the matrix preallocation routines
803 -  onz - the other array passed to the matrix preallocation routines
804 
805    Level: intermediate
806 
807    Notes:
808     See Users-Manual: ch_performance for more details.
809 
810    Do not malloc or free dnz and onz, that is handled internally by these routines
811 
812   Concepts: preallocation^Matrix
813 
814 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
815           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
816 M*/
817 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
818 {\
819   PetscInt __l;\
820   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
821   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
822   for (__l=0;__l<nrows;__l++) {\
823     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
824   }\
825 }
826 
827 /*MC
828    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
829        inserted using a local number of the rows and columns
830 
831    Synopsis:
832    #include <petscmat.h>
833    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
834 
835    Not Collective
836 
837    Input Parameters:
838 +  map - the mapping between local numbering and global numbering
839 .  nrows - the number of rows indicated
840 .  rows - the indices of the rows
841 .  ncols - the number of columns in the matrix
842 .  cols - the columns indicated
843 .  dnz - the array that will be passed to the matrix preallocation routines
844 -  onz - the other array passed to the matrix preallocation routines
845 
846    Level: intermediate
847 
848    Notes:
849     See Users-Manual: ch_performance for more details.
850 
851    Do not malloc or free dnz and onz that is handled internally by these routines
852 
853   Concepts: preallocation^Matrix
854 
855 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
856           MatPreallocateInitialize(),  MatPreallocateSetLocal()
857 M*/
858 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
859 {\
860   PetscInt __l;\
861   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
862   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
863   for (__l=0;__l<nrows;__l++) {\
864     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
865   }\
866 }
867 /*MC
868    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
869        inserted using a local number of the rows and columns
870 
871    Synopsis:
872    #include <petscmat.h>
873    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
874 
875    Not Collective
876 
877    Input Parameters:
878 +  row - the row
879 .  ncols - the number of columns in the matrix
880 -  cols - the columns indicated
881 
882    Output Parameters:
883 +  dnz - the array that will be passed to the matrix preallocation routines
884 -  onz - the other array passed to the matrix preallocation routines
885 
886    Level: intermediate
887 
888    Notes:
889     See Users-Manual: ch_performance for more details.
890 
891    Do not malloc or free dnz and onz that is handled internally by these routines
892 
893    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
894 
895   Concepts: preallocation^Matrix
896 
897 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
898           MatPreallocateInitialize(), MatPreallocateSetLocal()
899 M*/
900 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
901 { PetscInt __i; \
902   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);\
903   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);\
904   for (__i=0; __i<nc; __i++) {\
905     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
906     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
907   }\
908 }
909 
910 /*MC
911    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
912        inserted using a local number of the rows and columns
913 
914    Synopsis:
915    #include <petscmat.h>
916    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
917 
918    Not Collective
919 
920    Input Parameters:
921 +  nrows - the number of rows indicated
922 .  rows - the indices of the rows
923 .  ncols - the number of columns in the matrix
924 .  cols - the columns indicated
925 .  dnz - the array that will be passed to the matrix preallocation routines
926 -  onz - the other array passed to the matrix preallocation routines
927 
928    Level: intermediate
929 
930    Notes:
931     See Users-Manual: ch_performance for more details.
932 
933    Do not malloc or free dnz and onz that is handled internally by these routines
934 
935    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
936 
937   Concepts: preallocation^Matrix
938 
939 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
940           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
941 M*/
942 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
943 { PetscInt __i; \
944   for (__i=0; __i<nc; __i++) {\
945     if (cols[__i] >= __end) onz[row - __rstart]++; \
946     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
947   }\
948 }
949 
950 /*MC
951    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
952 
953    Synopsis:
954    #include <petscmat.h>
955    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
956 
957    Not Collective
958 
959    Input Parameters:
960 .  A - matrix
961 .  row - row where values exist (must be local to this process)
962 .  ncols - number of columns
963 .  cols - columns with nonzeros
964 .  dnz - the array that will be passed to the matrix preallocation routines
965 -  onz - the other array passed to the matrix preallocation routines
966 
967    Level: intermediate
968 
969    Notes:
970     See Users-Manual: ch_performance for more details.
971 
972    Do not malloc or free dnz and onz that is handled internally by these routines
973 
974    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
975 
976   Concepts: preallocation^Matrix
977 
978 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
979           MatPreallocateSymmetricSetLocalBlock()
980 M*/
981 #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);}
982 
983 
984 /*MC
985    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
986        row in a matrix providing the data that one can use to correctly preallocate the matrix.
987 
988    Synopsis:
989    #include <petscmat.h>
990    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
991 
992    Collective on MPI_Comm
993 
994    Input Parameters:
995 +  dnz - the array that was be passed to the matrix preallocation routines
996 -  onz - the other array passed to the matrix preallocation routines
997 
998    Level: intermediate
999 
1000    Notes:
1001     See Users-Manual: ch_performance for more details.
1002 
1003    Do not malloc or free dnz and onz that is handled internally by these routines
1004 
1005    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1006 
1007   Concepts: preallocation^Matrix
1008 
1009 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1010           MatPreallocateSymmetricSetLocalBlock()
1011 M*/
1012 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);}
1013 
1014 /* Routines unique to particular data structures */
1015 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1016 
1017 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1018 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1019 
1020 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1021 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1022 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1023 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1024 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1025 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1026 
1027 #define MAT_SKIP_ALLOCATION -4
1028 
1029 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1030 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1031 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1032 
1033 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1034 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1035 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1036 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1037 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1038 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1039 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1040 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1041 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1042 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1043 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1044 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1045 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1046 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1047 
1048 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1049 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1050 
1051 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1052 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1053 
1054 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1055 
1056 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1057 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1058 /*
1059   These routines are not usually accessed directly, rather solving is
1060   done through the KSP and PC interfaces.
1061 */
1062 
1063 /*J
1064     MatOrderingType - String with the name of a PETSc matrix ordering
1065 
1066    Level: beginner
1067 
1068 .seealso: MatGetOrdering()
1069 J*/
1070 typedef const char* MatOrderingType;
1071 #define MATORDERINGNATURAL     "natural"
1072 #define MATORDERINGND          "nd"
1073 #define MATORDERING1WD         "1wd"
1074 #define MATORDERINGRCM         "rcm"
1075 #define MATORDERINGQMD         "qmd"
1076 #define MATORDERINGROWLENGTH   "rowlength"
1077 #define MATORDERINGWBM         "wbm"
1078 #define MATORDERINGSPECTRAL    "spectral"
1079 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1080 
1081 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1082 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1083 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1084 PETSC_EXTERN PetscFunctionList MatOrderingList;
1085 
1086 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1087 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1088 
1089 /*S
1090     MatFactorShiftType - Numeric Shift.
1091 
1092    Level: beginner
1093 
1094 S*/
1095 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1096 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1097 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1098 
1099 /*S
1100     MatFactorError - indicates what type of error in matrix factor
1101 
1102     Level: beginner
1103 
1104     Developer Notes:
1105     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1106 
1107 .seealso: MatGetFactor()
1108 S*/
1109 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1110 
1111 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1112 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1113 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1114 
1115 /*S
1116    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1117 
1118    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1119 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1120 
1121    Notes:
1122     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1123 
1124       You can use MatFactorInfoInitialize() to set default values.
1125 
1126    Level: developer
1127 
1128 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1129           MatFactorInfoInitialize()
1130 
1131 S*/
1132 typedef struct {
1133   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1134   PetscReal     usedt;
1135   PetscReal     dt;             /* drop tolerance */
1136   PetscReal     dtcol;          /* tolerance for pivoting */
1137   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1138   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1139   PetscReal     levels;         /* ICC/ILU(levels) */
1140   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1141                                    factorization may be faster if do not pivot */
1142   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1143   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1144   PetscReal     shiftamount;     /* how large the shift is */
1145 } MatFactorInfo;
1146 
1147 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1148 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1149 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1150 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1151 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1152 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1153 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1154 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1155 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1156 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1157 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1158 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1159 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1160 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1161 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1162 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1163 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1164 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1165 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1166 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1167 
1168 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1169 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1170 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1171 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1172 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1173 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1174 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1175 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1176 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1177 
1178 /*E
1179     MatSORType - What type of (S)SOR to perform
1180 
1181     Level: beginner
1182 
1183    May be bitwise ORd together
1184 
1185    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1186 
1187    MatSORType may be bitwise ORd together, so do not change the numbers
1188 
1189 .seealso: MatSOR()
1190 E*/
1191 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1192               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1193               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1194               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1195 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1196 
1197 /*
1198     These routines are for efficiently computing Jacobians via finite differences.
1199 */
1200 
1201 /*S
1202      MatColoring - Object for managing the coloring of matrices.
1203 
1204    Level: beginner
1205 
1206   Concepts: matrix, coloring
1207 
1208 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1209 S*/
1210 typedef struct _p_MatColoring* MatColoring;
1211 /*J
1212     MatColoringType - String with the name of a PETSc matrix coloring
1213 
1214    Level: beginner
1215 
1216 .seealso: MatColoringSetType(), MatColoring
1217 J*/
1218 
1219 typedef const  char*           MatColoringType;
1220 #define MATCOLORINGJP      "jp"
1221 #define MATCOLORINGPOWER   "power"
1222 #define MATCOLORINGNATURAL "natural"
1223 #define MATCOLORINGSL      "sl"
1224 #define MATCOLORINGLF      "lf"
1225 #define MATCOLORINGID      "id"
1226 #define MATCOLORINGGREEDY  "greedy"
1227 
1228 /*E
1229    MatColoringWeightType - Type of weight scheme
1230 
1231     Not Collective
1232 
1233 +   MAT_COLORING_RANDOM  - Random weights
1234 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1235 -   MAT_COLORING_LF      - Last-first weighting.
1236 
1237     Level: intermediate
1238 
1239    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1240 E*/
1241 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1242 
1243 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1244 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1245 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1246 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1247 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1248 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1249 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1250 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1251 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1252 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1253 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1254 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1255 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1256 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1257 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1258 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1259 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1260 PETSC_DEPRECATED("Use MatColoringTest()") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1261 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1262 
1263 /*S
1264      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1265         and coloring
1266 
1267    Level: beginner
1268 
1269   Concepts: coloring, sparse Jacobian, finite differences
1270 
1271 .seealso:  MatFDColoringCreate()
1272 S*/
1273 typedef struct _p_MatFDColoring* MatFDColoring;
1274 
1275 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1276 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1277 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1278 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1279 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1280 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1281 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1282 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1283 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1284 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1285 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1286 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1287 
1288 
1289 /*S
1290      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1291 
1292    Level: beginner
1293 
1294   Concepts: coloring, sparse matrix product
1295 
1296 .seealso:  MatTransposeColoringCreate()
1297 S*/
1298 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1299 
1300 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1301 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1302 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1303 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1304 
1305 /*
1306     These routines are for partitioning matrices: currently used only
1307   for adjacency matrix, MatCreateMPIAdj().
1308 */
1309 
1310 /*S
1311      MatPartitioning - Object for managing the partitioning of a matrix or graph
1312 
1313    Level: beginner
1314 
1315   Concepts: partitioning
1316 
1317 .seealso:  MatPartitioningCreate(), MatPartitioningType
1318 S*/
1319 typedef struct _p_MatPartitioning* MatPartitioning;
1320 
1321 /*J
1322     MatPartitioningType - String with the name of a PETSc matrix partitioning
1323 
1324    Level: beginner
1325 dm
1326 .seealso: MatPartitioningCreate(), MatPartitioning
1327 J*/
1328 typedef const char* MatPartitioningType;
1329 #define MATPARTITIONINGCURRENT  "current"
1330 #define MATPARTITIONINGAVERAGE   "average"
1331 #define MATPARTITIONINGSQUARE   "square"
1332 #define MATPARTITIONINGPARMETIS "parmetis"
1333 #define MATPARTITIONINGCHACO    "chaco"
1334 #define MATPARTITIONINGPARTY    "party"
1335 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1336 #define MATPARTITIONINGHIERARCH  "hierarch"
1337 
1338 
1339 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1340 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1341 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1342 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1343 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1344 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1345 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1346 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1347 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1348 
1349 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1350 
1351 
1352 
1353 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1354 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1355 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1356 
1357 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1358 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1359 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1360 
1361 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1362 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1363 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1364 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1365 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1366 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1367 
1368 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1369 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1370 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1371 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1372 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1373 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1374 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1375 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1376 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1377 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1378 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1379 
1380 #define MP_PARTY_OPT "opt"
1381 #define MP_PARTY_LIN "lin"
1382 #define MP_PARTY_SCA "sca"
1383 #define MP_PARTY_RAN "ran"
1384 #define MP_PARTY_GBF "gbf"
1385 #define MP_PARTY_GCF "gcf"
1386 #define MP_PARTY_BUB "bub"
1387 #define MP_PARTY_DEF "def"
1388 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1389 #define MP_PARTY_HELPFUL_SETS "hs"
1390 #define MP_PARTY_KERNIGHAN_LIN "kl"
1391 #define MP_PARTY_NONE "no"
1392 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1393 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1394 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1395 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1396 
1397 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1398 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1399 
1400 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1401 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1402 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1403 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1404 
1405 /*
1406  * hierarchical partitioning
1407  */
1408 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1409 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1410 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1411 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1412 
1413 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1414 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1415 
1416 /*
1417     If you add entries here you must also add them to petsc/finclude/petscmat.h
1418 */
1419 typedef enum { MATOP_SET_VALUES=0,
1420                MATOP_GET_ROW=1,
1421                MATOP_RESTORE_ROW=2,
1422                MATOP_MULT=3,
1423                MATOP_MULT_ADD=4,
1424                MATOP_MULT_TRANSPOSE=5,
1425                MATOP_MULT_TRANSPOSE_ADD=6,
1426                MATOP_SOLVE=7,
1427                MATOP_SOLVE_ADD=8,
1428                MATOP_SOLVE_TRANSPOSE=9,
1429                MATOP_SOLVE_TRANSPOSE_ADD=10,
1430                MATOP_LUFACTOR=11,
1431                MATOP_CHOLESKYFACTOR=12,
1432                MATOP_SOR=13,
1433                MATOP_TRANSPOSE=14,
1434                MATOP_GETINFO=15,
1435                MATOP_EQUAL=16,
1436                MATOP_GET_DIAGONAL=17,
1437                MATOP_DIAGONAL_SCALE=18,
1438                MATOP_NORM=19,
1439                MATOP_ASSEMBLY_BEGIN=20,
1440                MATOP_ASSEMBLY_END=21,
1441                MATOP_SET_OPTION=22,
1442                MATOP_ZERO_ENTRIES=23,
1443                MATOP_ZERO_ROWS=24,
1444                MATOP_LUFACTOR_SYMBOLIC=25,
1445                MATOP_LUFACTOR_NUMERIC=26,
1446                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1447                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1448                MATOP_SETUP_PREALLOCATION=29,
1449                MATOP_ILUFACTOR_SYMBOLIC=30,
1450                MATOP_ICCFACTOR_SYMBOLIC=31,
1451                MATOP_GET_DIAGONAL_BLOCK=32,
1452                /* MATOP_PLACEHOLDER_33=33, */
1453                MATOP_DUPLICATE=34,
1454                MATOP_FORWARD_SOLVE=35,
1455                MATOP_BACKWARD_SOLVE=36,
1456                MATOP_ILUFACTOR=37,
1457                MATOP_ICCFACTOR=38,
1458                MATOP_AXPY=39,
1459                MATOP_CREATE_SUBMATRICES=40,
1460                MATOP_INCREASE_OVERLAP=41,
1461                MATOP_GET_VALUES=42,
1462                MATOP_COPY=43,
1463                MATOP_GET_ROW_MAX=44,
1464                MATOP_SCALE=45,
1465                MATOP_SHIFT=46,
1466                MATOP_DIAGONAL_SET=47,
1467                MATOP_ZERO_ROWS_COLUMNS=48,
1468                MATOP_SET_RANDOM=49,
1469                MATOP_GET_ROW_IJ=50,
1470                MATOP_RESTORE_ROW_IJ=51,
1471                MATOP_GET_COLUMN_IJ=52,
1472                MATOP_RESTORE_COLUMN_IJ=53,
1473                MATOP_FDCOLORING_CREATE=54,
1474                MATOP_COLORING_PATCH=55,
1475                MATOP_SET_UNFACTORED=56,
1476                MATOP_PERMUTE=57,
1477                MATOP_SET_VALUES_BLOCKED=58,
1478                MATOP_CREATE_SUBMATRIX=59,
1479                MATOP_DESTROY=60,
1480                MATOP_VIEW=61,
1481                MATOP_CONVERT_FROM=62,
1482                MATOP_MATMAT_MULT=63,
1483                MATOP_MATMAT_MULT_SYMBOLIC=64,
1484                MATOP_MATMAT_MULT_NUMERIC=65,
1485                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1486                MATOP_SET_VALUES_LOCAL=67,
1487                MATOP_ZERO_ROWS_LOCAL=68,
1488                MATOP_GET_ROW_MAX_ABS=69,
1489                MATOP_GET_ROW_MIN_ABS=70,
1490                MATOP_CONVERT=71,
1491                MATOP_SET_COLORING=72,
1492                /* MATOP_PLACEHOLDER_73=73, */
1493                MATOP_SET_VALUES_ADIFOR=74,
1494                MATOP_FD_COLORING_APPLY=75,
1495                MATOP_SET_FROM_OPTIONS=76,
1496                MATOP_MULT_CONSTRAINED=77,
1497                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1498                MATOP_FIND_ZERO_DIAGONALS=79,
1499                MATOP_MULT_MULTIPLE=80,
1500                MATOP_SOLVE_MULTIPLE=81,
1501                MATOP_GET_INERTIA=82,
1502                MATOP_LOAD=83,
1503                MATOP_IS_SYMMETRIC=84,
1504                MATOP_IS_HERMITIAN=85,
1505                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1506                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1507                MATOP_CREATE_VECS=88,
1508                MATOP_MAT_MULT=89,
1509                MATOP_MAT_MULT_SYMBOLIC=90,
1510                MATOP_MAT_MULT_NUMERIC=91,
1511                MATOP_PTAP=92,
1512                MATOP_PTAP_SYMBOLIC=93,
1513                MATOP_PTAP_NUMERIC=94,
1514                MATOP_MAT_TRANSPOSE_MULT=95,
1515                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1516                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1517                /* MATOP_PLACEHOLDER_98=98, */
1518                /* MATOP_PLACEHOLDER_99=99, */
1519                /* MATOP_PLACEHOLDER_100=100, */
1520                /* MATOP_PLACEHOLDER_101=101, */
1521                MATOP_CONJUGATE=102,
1522                /* MATOP_PLACEHOLDER_103=103, */
1523                MATOP_SET_VALUES_ROW=104,
1524                MATOP_REAL_PART=105,
1525                MATOP_IMAGINARY_PART=106,
1526                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1527                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1528                MATOP_MAT_SOLVE=109,
1529                MATOP_MAT_SOLVE_TRANSPOSE=110,
1530                MATOP_GET_ROW_MIN=111,
1531                MATOP_GET_COLUMN_VECTOR=112,
1532                MATOP_MISSING_DIAGONAL=113,
1533                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1534                MATOP_CREATE=115,
1535                MATOP_GET_GHOSTS=116,
1536                MATOP_GET_LOCAL_SUB_MATRIX=117,
1537                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1538                MATOP_MULT_DIAGONAL_BLOCK=119,
1539                MATOP_HERMITIAN_TRANSPOSE=120,
1540                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1541                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1542                MATOP_GET_MULTI_PROC_BLOCK=123,
1543                MATOP_FIND_NONZERO_ROWS=124,
1544                MATOP_GET_COLUMN_NORMS=125,
1545                MATOP_INVERT_BLOCK_DIAGONAL=126,
1546                /* MATOP_PLACEHOLDER_127=127, */
1547                MATOP_CREATE_SUB_MATRICES_MPI=128,
1548                MATOP_SET_VALUES_BATCH=129,
1549                MATOP_TRANSPOSE_MAT_MULT=130,
1550                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1551                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1552                MATOP_TRANSPOSE_COLORING_CREAT=133,
1553                MATOP_TRANS_COLORING_APPLY_SPT=134,
1554                MATOP_TRANS_COLORING_APPLY_DEN=135,
1555                MATOP_RART=136,
1556                MATOP_RART_SYMBOLIC=137,
1557                MATOP_RART_NUMERIC=138,
1558                MATOP_SET_BLOCK_SIZES=139,
1559                MATOP_AYPX=140,
1560                MATOP_RESIDUAL=141,
1561                MATOP_FDCOLORING_SETUP=142,
1562                MATOP_MPICONCATENATESEQ=144,
1563                MATOP_DESTROYSUBMATRICES=145
1564              } MatOperation;
1565 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1566 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1567 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1568 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1569 
1570 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1571 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1572 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1573 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1574 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1575 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1576 
1577 /*
1578    Codes for matrices stored on disk. By default they are
1579    stored in a universal format. By changing the format with
1580    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1581    be stored in a way natural for the matrix, for example dense matrices
1582    would be stored as dense. Matrices stored this way may only be
1583    read into matrices of the same type.
1584 */
1585 #define MATRIX_BINARY_FORMAT_DENSE -1
1586 
1587 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1588 
1589 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1590 PETSC_EXTERN PetscErrorCode MatISSetUpSF(Mat);
1591 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1592 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1593 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1594 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1595 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1596 PETSC_EXTERN PETSC_DEPRECATED("Use the MatConvert() interface") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1597 
1598 /*S
1599      MatNullSpace - Object that removes a null space from a vector, i.e.
1600          orthogonalizes the vector to a subsapce
1601 
1602    Level: advanced
1603 
1604   Concepts: matrix; linear operator, null space
1605 
1606   Users manual sections:
1607 .   sec_singular
1608 
1609 .seealso:  MatNullSpaceCreate()
1610 S*/
1611 typedef struct _p_MatNullSpace* MatNullSpace;
1612 
1613 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1614 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1615 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1616 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1617 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1618 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1619 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1620 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1621 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1622 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1623 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1624 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1625 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1626 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1627 
1628 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1629 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1630 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1631 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1632 
1633 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1634 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1635 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1636 
1637 PETSC_EXTERN PetscErrorCode MatComputeExplicitOperator(Mat,Mat*);
1638 PETSC_EXTERN PetscErrorCode MatComputeExplicitOperatorTranspose(Mat,Mat*);
1639 
1640 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1641 
1642 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1643 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1644 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1645 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1646 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1647 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1648 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1649 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1650 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1651 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1652 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1653 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1654 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1655 
1656 /*S
1657     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1658               Jacobian vector products
1659 
1660     Notes:
1661     MATMFFD is a specific MatType which uses the MatMFFD data structure
1662 
1663            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1664 
1665     Level: developer
1666 
1667 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1668 S*/
1669 typedef struct _p_MatMFFD* MatMFFD;
1670 
1671 /*J
1672     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1673 
1674    Level: beginner
1675 
1676 .seealso: MatMFFDSetType(), MatMFFDRegister()
1677 J*/
1678 typedef const char* MatMFFDType;
1679 #define MATMFFD_DS  "ds"
1680 #define MATMFFD_WP  "wp"
1681 
1682 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1683 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1684 
1685 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1686 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1687 
1688 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1689 
1690 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1691 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1692 
1693 /*
1694    PETSc interface to MUMPS
1695 */
1696 #ifdef PETSC_HAVE_MUMPS
1697 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1698 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1699 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1700 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1701 
1702 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1703 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1704 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1705 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1706 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1707 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1708 #endif
1709 
1710 /*
1711    PETSc interface to Mkl_Pardiso
1712 */
1713 #ifdef PETSC_HAVE_MKL_PARDISO
1714 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1715 #endif
1716 
1717 /*
1718    PETSc interface to Mkl_CPardiso
1719 */
1720 #ifdef PETSC_HAVE_MKL_CPARDISO
1721 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1722 #endif
1723 
1724 /*
1725    PETSc interface to SUPERLU
1726 */
1727 #ifdef PETSC_HAVE_SUPERLU
1728 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1729 #endif
1730 
1731 /*
1732    PETSc interface to SUPERLU_DIST
1733 */
1734 #ifdef PETSC_HAVE_SUPERLU_DIST
1735 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1736 #endif
1737 
1738 /*
1739    PETSc interface to STRUMPACK
1740 */
1741 #ifdef PETSC_HAVE_STRUMPACK
1742 /*E
1743     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1744 
1745     Level: intermediate
1746 E*/
1747 typedef enum {MAT_STRUMPACK_NATURAL=0,
1748               MAT_STRUMPACK_METIS=1,
1749               MAT_STRUMPACK_PARMETIS=2,
1750               MAT_STRUMPACK_SCOTCH=3,
1751               MAT_STRUMPACK_PTSCOTCH=4,
1752               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1753 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1754 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1755 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1756 PETSC_DEPRECATED ("Use MatSTRUMPACKSetHSSRelTol()") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1757 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1758 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1759 PETSC_DEPRECATED ("Use MatSTRUMPACKSetHSSMinSepSize()") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1760 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1761 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1762 #endif
1763 
1764 
1765 #ifdef PETSC_HAVE_CUDA
1766 /*E
1767     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1768     matrices.
1769 
1770     Not Collective
1771 
1772 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1773 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1774 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1775 
1776     Level: intermediate
1777 
1778    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1779 
1780 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1781 E*/
1782 
1783 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1784 
1785 /* these will be strings associated with enumerated type defined above */
1786 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1787 
1788 /*E
1789     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1790     matrices whose operation should use a particular storage format.
1791 
1792     Not Collective
1793 
1794 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1795 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1796 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1797 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1798 
1799     Level: intermediate
1800 
1801 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1802 E*/
1803 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1804 
1805 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1806 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1807 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1808 #endif
1809 
1810 #if defined(PETSC_HAVE_VIENNACL)
1811 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1812 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1813 #endif
1814 
1815 /*
1816    PETSc interface to FFTW
1817 */
1818 #if defined(PETSC_HAVE_FFTW)
1819 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1820 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1821 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1822 #endif
1823 
1824 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1825 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1826 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1827 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1828 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1829 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1830 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1831 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1832 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1833 
1834 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1835 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1836 
1837 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1838 
1839 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1840 
1841 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1842 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1843 
1844 #endif
1845