xref: /petsc/include/petscmat.h (revision 5a856986583887c326abe5dfd149e8184a29cd80)
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 .seealso:  MatCreate(), MatType, MatSetType(), MatDestroy()
15 S*/
16 typedef struct _p_Mat*           Mat;
17 
18 /*J
19     MatType - String with the name of a PETSc matrix type
20 
21    Level: beginner
22 
23 .seealso: MatSetType(), Mat, MatSolverType, MatRegister()
24 J*/
25 typedef const char* MatType;
26 #define MATSAME            "same"
27 #define MATMAIJ            "maij"
28 #define MATSEQMAIJ         "seqmaij"
29 #define MATMPIMAIJ         "mpimaij"
30 #define MATIS              "is"
31 #define MATAIJ             "aij"
32 #define MATSEQAIJ          "seqaij"
33 #define MATMPIAIJ          "mpiaij"
34 #define MATAIJCRL          "aijcrl"
35 #define MATSEQAIJCRL       "seqaijcrl"
36 #define MATMPIAIJCRL       "mpiaijcrl"
37 #define MATAIJCUSPARSE     "aijcusparse"
38 #define MATSEQAIJCUSPARSE  "seqaijcusparse"
39 #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
40 #define MATAIJVIENNACL     "aijviennacl"
41 #define MATSEQAIJVIENNACL  "seqaijviennacl"
42 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
43 #define MATAIJPERM         "aijperm"
44 #define MATSEQAIJPERM      "seqaijperm"
45 #define MATMPIAIJPERM      "mpiaijperm"
46 #define MATAIJSELL         "aijsell"
47 #define MATSEQAIJSELL      "seqaijsell"
48 #define MATMPIAIJSELL      "mpiaijsell"
49 #define MATAIJMKL          "aijmkl"
50 #define MATSEQAIJMKL       "seqaijmkl"
51 #define MATMPIAIJMKL       "mpiaijmkl"
52 #define MATBAIJMKL         "baijmkl"
53 #define MATSEQBAIJMKL      "seqbaijmkl"
54 #define MATMPIBAIJMKL      "mpibaijmkl"
55 #define MATSHELL           "shell"
56 #define MATDENSE           "dense"
57 #define MATSEQDENSE        "seqdense"
58 #define MATMPIDENSE        "mpidense"
59 #define MATELEMENTAL       "elemental"
60 #define MATBAIJ            "baij"
61 #define MATSEQBAIJ         "seqbaij"
62 #define MATMPIBAIJ         "mpibaij"
63 #define MATMPIADJ          "mpiadj"
64 #define MATSBAIJ           "sbaij"
65 #define MATSEQSBAIJ        "seqsbaij"
66 #define MATMPISBAIJ        "mpisbaij"
67 #define MATDAAD            "daad"
68 #define MATMFFD            "mffd"
69 #define MATNORMAL          "normal"
70 #define MATNORMALHERMITIAN "normalh"
71 #define MATLRC             "lrc"
72 #define MATSCATTER         "scatter"
73 #define MATBLOCKMAT        "blockmat"
74 #define MATCOMPOSITE       "composite"
75 #define MATFFT             "fft"
76 #define MATFFTW            "fftw"
77 #define MATSEQCUFFT        "seqcufft"
78 #define MATTRANSPOSEMAT    "transpose"
79 #define MATSCHURCOMPLEMENT "schurcomplement"
80 #define MATPYTHON          "python"
81 #define MATHYPRE           "hypre"
82 #define MATHYPRESTRUCT     "hyprestruct"
83 #define MATHYPRESSTRUCT    "hypresstruct"
84 #define MATSUBMATRIX       "submatrix"
85 #define MATLOCALREF        "localref"
86 #define MATNEST            "nest"
87 #define MATPREALLOCATOR    "preallocator"
88 #define MATSELL            "sell"
89 #define MATSEQSELL         "seqsell"
90 #define MATMPISELL         "mpisell"
91 #define MATDUMMY           "dummy"
92 #define MATLMVM            "lmvm"
93 #define MATLMVMDFP         "lmvmdfp"
94 #define MATLMVMBFGS        "lmvmbfgs"
95 #define MATLMVMSR1         "lmvmsr1"
96 #define MATLMVMBRDN        "lmvmbrdn"
97 #define MATLMVMBADBRDN     "lmvmbadbrdn"
98 #define MATLMVMSYMBRDN     "lmvmsymbrdn"
99 #define MATLMVMSYMBADBRDN  "lmvmsymbadbrdn"
100 #define MATLMVMDIAGBRDN    "lmvmdiagbrdn"
101 #define MATCONSTANTDIAGONAL "constantdiagonal"
102 
103 /*J
104     MatSolverType - String with the name of a PETSc matrix solver type.
105 
106     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
107 
108    Level: beginner
109 
110 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
111 J*/
112 typedef const char* MatSolverType;
113 #define MATSOLVERSUPERLU          "superlu"
114 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
115 #define MATSOLVERSTRUMPACK        "strumpack"
116 #define MATSOLVERUMFPACK          "umfpack"
117 #define MATSOLVERCHOLMOD          "cholmod"
118 #define MATSOLVERKLU              "klu"
119 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
120 #define MATSOLVERELEMENTAL        "elemental"
121 #define MATSOLVERESSL             "essl"
122 #define MATSOLVERLUSOL            "lusol"
123 #define MATSOLVERMUMPS            "mumps"
124 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
125 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
126 #define MATSOLVERPASTIX           "pastix"
127 #define MATSOLVERMATLAB           "matlab"
128 #define MATSOLVERPETSC            "petsc"
129 #define MATSOLVERBAS              "bas"
130 #define MATSOLVERCUSPARSE         "cusparse"
131 
132 /*E
133     MatFactorType - indicates what type of factorization is requested
134 
135     Level: beginner
136 
137    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
138 
139 .seealso: MatSolverType, MatGetFactor()
140 E*/
141 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
142 PETSC_EXTERN const char *const MatFactorTypes[];
143 
144 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
145 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
146 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
147 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
148 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
149 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
150 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
151 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
152 PETSC_DEPRECATED_FUNCTION("Use MatSolverTypeRegister() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageRegister(MatSolverType stype,MatType mtype,MatFactorType ftype,PetscErrorCode(*f)(Mat,MatFactorType,Mat*))
153 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
154 PETSC_DEPRECATED_FUNCTION("Use MatSolverTypeGet() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageGet(MatSolverType stype,MatType mtype,MatFactorType ftype,PetscBool *foundmtype,PetscBool *foundstype,PetscErrorCode(**f)(Mat,MatFactorType,Mat*))
155 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
156 
157 /* Logging support */
158 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
159 PETSC_EXTERN PetscClassId MAT_CLASSID;
160 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
161 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
162 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
163 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
164 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
165 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
166 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
167 
168 /*E
169     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
170      are to be reused to store the new matrix values.
171 
172 $  MAT_INITIAL_MATRIX - create a new matrix
173 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
174 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
175 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
176 
177     Level: beginner
178 
179    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
180 
181 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
182 E*/
183 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
184 
185 /*E
186     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
187      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
188 
189     Level: beginner
190 
191 .seealso: MatGetSeqNonzerostructure()
192 E*/
193 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
194 
195 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
196 
197 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
198 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
199 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
200 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
201 PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
202 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
203 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
204 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
205 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
206 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
207 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
208 
209 PETSC_EXTERN PetscFunctionList MatList;
210 PETSC_EXTERN PetscFunctionList MatColoringList;
211 PETSC_EXTERN PetscFunctionList MatPartitioningList;
212 
213 /*E
214     MatStructure - Indicates if two matrices have the same nonzero structure
215 
216     Level: beginner
217 
218    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
219 
220 .seealso: MatCopy(), MatAXPY()
221 E*/
222 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
223 
224 #if defined PETSC_HAVE_MKL_SPARSE
225 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
226 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
227 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
228 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
229 #endif
230 
231 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
232 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
233 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
234 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
235 
236 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
237 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
238 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
239 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
240 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
241 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
242 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
243 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
244 
245 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
246 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
247 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
248 
249 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
250 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
251 
252 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
253 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
254 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
255 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
256 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
257 
258 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
259 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
260 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
261 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
262 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
263 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
264 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
265 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
266 
267 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
268 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
269 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
270 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
271 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
272 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
273 typedef enum {MAT_COMPOSITE_MERGE_RIGHT,MAT_COMPOSITE_MERGE_LEFT} MatCompositeMergeType;
274 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat,MatCompositeMergeType);
275 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
276 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
277 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
278 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat,MatCompositeType*);
279 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat,MatStructure);
280 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat,MatStructure*);
281 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat,PetscInt*);
282 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
283 
284 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
285 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
286 
287 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
288 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
289 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
290 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
291 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
292 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
293 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
294 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar,Mat*);
295 
296 #if defined(PETSC_HAVE_HYPRE)
297 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
298 #endif
299 
300 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
301 
302 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
303 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
304 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
305 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
306 
307 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
308 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
309 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
310 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
311 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
312 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
313 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
314 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
315 
316 /* ------------------------------------------------------------*/
317 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
318 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
319 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
320 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
321 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
322 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
323 
324 /*S
325      MatStencil - Data structure (C struct) for storing information about a single row or
326         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
327 
328    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).
329    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.
330 
331    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
332 
333    Fortran usage is different, see MatSetValuesStencil() for details.
334 
335    Level: beginner
336 
337 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
338 S*/
339 typedef struct {
340   PetscInt k,j,i,c;
341 } MatStencil;
342 
343 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
344 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
345 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
346 
347 /*E
348     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
349      to continue to add or insert values to it
350 
351     Level: beginner
352 
353 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
354 E*/
355 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
356 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
357 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
358 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
359 
360 
361 
362 /*E
363     MatOption - Options that may be set for a matrix and its behavior or storage
364 
365     Level: beginner
366 
367    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
368    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
369 
370    Developer Notes:
371     Entries that are negative need not be called collectively by all processes.
372 
373 .seealso: MatSetOption()
374 E*/
375 typedef enum {MAT_OPTION_MIN = -3,
376               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
377               MAT_ROW_ORIENTED = -1,
378               MAT_SYMMETRIC = 1,
379               MAT_STRUCTURALLY_SYMMETRIC = 2,
380               MAT_NEW_DIAGONALS = 3,
381               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
382               MAT_USE_HASH_TABLE = 5,
383               MAT_KEEP_NONZERO_PATTERN = 6,
384               MAT_IGNORE_ZERO_ENTRIES = 7,
385               MAT_USE_INODES = 8,
386               MAT_HERMITIAN = 9,
387               MAT_SYMMETRY_ETERNAL = 10,
388               MAT_NEW_NONZERO_LOCATION_ERR = 11,
389               MAT_IGNORE_LOWER_TRIANGULAR = 12,
390               MAT_ERROR_LOWER_TRIANGULAR = 13,
391               MAT_GETROW_UPPERTRIANGULAR = 14,
392               MAT_SPD = 15,
393               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
394               MAT_NO_OFF_PROC_ENTRIES = 17,
395               MAT_NEW_NONZERO_LOCATIONS = 18,
396               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
397               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
398               MAT_SUBMAT_SINGLEIS = 21,
399               MAT_STRUCTURE_ONLY = 22,
400               MAT_SORTED_FULL = 23,
401               MAT_OPTION_MAX = 24} MatOption;
402 
403 PETSC_EXTERN const char *const *MatOptions;
404 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
405 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
406 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
407 
408 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
409 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
410 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
411 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
412 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
413 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
414 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
415 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
416 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
417 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
418 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
419 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
420 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
421 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
422 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
423 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
424 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
425 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
426 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
427 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
428 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
429 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
430 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
431 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
432 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
433 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
434 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
435 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
436 
437 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
438 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
439 
440 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
441 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
442 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
443 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
444 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
445 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
446 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
447 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
448 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
449 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
450 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
451 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
452 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
453 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
454 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
455 
456 /*E
457     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
458   its numerical values copied over or just its nonzero structure.
459 
460     Level: beginner
461 
462    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
463 
464 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
465 $                               with zeros for the numerical values.
466 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
467 $                               and with the same numerical values.
468 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
469 $                               and does not copy it, using zeros for the numerical values. The parent and
470 $                               child matrices will share their index (i and j) arrays, and you cannot
471 $                               insert new nonzero entries into either matrix.
472 
473 Notes:
474     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
475 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
476 
477 .seealso: MatDuplicate()
478 E*/
479 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
480 
481 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
482 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
483 
484 
485 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
486 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
487 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
488 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
489 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
490 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
491 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
492 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
493 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
494 
495 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
496 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
497 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
498 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
499 
500 /*S
501      MatInfo - Context of matrix information, used with MatGetInfo()
502 
503    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
504 
505    Level: intermediate
506 
507 .seealso:  MatGetInfo(), MatInfoType
508 S*/
509 typedef struct {
510   PetscLogDouble block_size;                         /* block size */
511   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
512   PetscLogDouble memory;                             /* memory allocated */
513   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
514   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
515   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
516   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
517 } MatInfo;
518 
519 /*E
520     MatInfoType - Indicates if you want information about the local part of the matrix,
521      the entire parallel matrix or the maximum over all the local parts.
522 
523     Level: beginner
524 
525    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
526 
527 .seealso: MatGetInfo(), MatInfo
528 E*/
529 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
530 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
531 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
532 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
533 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
534 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
535 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
536 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
537 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
538 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
539 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
540 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
541 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
542 
543 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
544 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
545 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
546 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
547 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
548 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
549 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
550 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
551 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
552 
553 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
554 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
555 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
556 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
557 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
558 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
559 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
560 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
561 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
562 
563 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
564 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
565 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
566 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
567 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
568 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
569 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
570 
571 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
572 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatrices() (since version 3.8)") 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);}
573 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
574 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatricesMPI() (since version 3.8)") 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);}
575 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
576 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
577 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
578 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatrix() (since version 3.8)") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrix(Mat mat,IS isrow,IS iscol,MatReuse cll,Mat *newmat) {return MatCreateSubMatrix(mat,isrow,iscol,cll,newmat);}
579 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
580 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
581 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
582 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
583 
584 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
585 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
586 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
587 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
588 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
589 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
590 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
591 
592 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
593 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
594 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
595 
596 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
597 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
598 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
599 
600 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
601 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
602 
603 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
604 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
605 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
606 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
607 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
608 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
609 
610 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
611 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
612 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
613 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
614 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
615 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
616 
617 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
618 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
619 
620 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
621 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
622 
623 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
624 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
625 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
626 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
627 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
628 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
629 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
630 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
631 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
632 
633 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
634 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
635 
636 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
637 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
638 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
639 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
640 PETSC_DEPRECATED_FUNCTION("Use MatCreateVecs() (since version 3.6)") PETSC_STATIC_INLINE PetscErrorCode MatGetVecs(Mat mat,Vec *x,Vec *y) {return MatCreateVecs(mat,x,y);}
641 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
642 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
643 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
644 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
645 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
646 
647 /*MC
648    MatSetValue - Set a single entry into a matrix.
649 
650    Not collective
651 
652    Synopsis:
653      #include <petscmat.h>
654      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
655 
656    Input Parameters:
657 +  m - the matrix
658 .  row - the row location of the entry
659 .  col - the column location of the entry
660 .  value - the value to insert
661 -  mode - either INSERT_VALUES or ADD_VALUES
662 
663    Notes:
664    For efficiency one should use MatSetValues() and set several or many
665    values simultaneously if possible.
666 
667    Level: beginner
668 
669 .seealso: MatSetValues(), MatSetValueLocal()
670 M*/
671 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
672 
673 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
674 
675 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
676 
677 /*MC
678    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
679        row in a matrix providing the data that one can use to correctly preallocate the matrix.
680 
681    Synopsis:
682    #include <petscmat.h>
683    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
684 
685    Collective
686 
687    Input Parameters:
688 +  comm - the communicator that will share the eventually allocated matrix
689 .  nrows - the number of LOCAL rows in the matrix
690 -  ncols - the number of LOCAL columns in the matrix
691 
692    Output Parameters:
693 +  dnz - the array that will be passed to the matrix preallocation routines
694 -  onz - the other array passed to the matrix preallocation routines
695 
696    Level: intermediate
697 
698    Notes:
699     See Users-Manual: ch_performance for more details.
700 
701    Do not malloc or free dnz and onz, that is handled internally by these routines
702 
703    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)
704 
705    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
706 
707 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
708           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock()
709 M*/
710 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
711 do { \
712   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
713   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
714   __start = 0; __end = __start;                                         \
715   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
716   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; \
717   do { } while(0)
718 
719 /*MC
720    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
721        inserted using a local number of the rows and columns
722 
723    Synopsis:
724    #include <petscmat.h>
725    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
726 
727    Not Collective
728 
729    Input Parameters:
730 +  map - the row mapping from local numbering to global numbering
731 .  nrows - the number of rows indicated
732 .  rows - the indices of the rows
733 .  cmap - the column mapping from local to global numbering
734 .  ncols - the number of columns in the matrix
735 .  cols - the columns indicated
736 .  dnz - the array that will be passed to the matrix preallocation routines
737 -  onz - the other array passed to the matrix preallocation routines
738 
739    Level: intermediate
740 
741    Notes:
742     See Users-Manual: ch_performance for more details.
743 
744    Do not malloc or free dnz and onz, that is handled internally by these routines
745 
746 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
747           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
748 M*/
749 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
750 do {\
751   PetscInt __l;\
752   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
753   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
754   for (__l=0;__l<nrows;__l++) {\
755     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
756   }\
757  } while (0)
758 
759 /*MC
760    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
761        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
762 
763    Synopsis:
764    #include <petscmat.h>
765    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
766 
767    Not Collective
768 
769    Input Parameters:
770 +  map - the row mapping from local numbering to global numbering
771 .  nrows - the number of rows indicated
772 .  rows - the indices of the rows (these values are mapped to the global values)
773 .  cmap - the column mapping from local to global numbering
774 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
775 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
776 .  dnz - the array that will be passed to the matrix preallocation routines
777 -  onz - the other array passed to the matrix preallocation routines
778 
779    Level: intermediate
780 
781    Notes:
782     See Users-Manual: ch_performance for more details.
783 
784    Do not malloc or free dnz and onz, that is handled internally by these routines
785 
786 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
787           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
788 M*/
789 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
790 do {\
791   PetscInt __l;\
792   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
793   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
794   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
795   for (__l=0;__l<nrows;__l++) {\
796     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
797   }\
798  } while (0)
799 
800 /*MC
801    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
802        inserted using a local number of the rows and columns
803 
804    Synopsis:
805    #include <petscmat.h>
806    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
807 
808    Not Collective
809 
810    Input Parameters:
811 +  map - the row mapping from local numbering to global numbering
812 .  nrows - the number of rows indicated
813 .  rows - the indices of the rows
814 .  cmap - the column mapping from local to global numbering
815 .  ncols - the number of columns in the matrix
816 .  cols - the columns indicated
817 .  dnz - the array that will be passed to the matrix preallocation routines
818 -  onz - the other array passed to the matrix preallocation routines
819 
820    Level: intermediate
821 
822    Notes:
823     See Users-Manual: ch_performance for more details.
824 
825    Do not malloc or free dnz and onz, that is handled internally by these routines
826 
827 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
828           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
829 M*/
830 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
831 do {\
832   PetscInt __l;\
833   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
834   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
835   for (__l=0;__l<nrows;__l++) {\
836     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
837   }\
838 } while (0)
839 
840 /*MC
841    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
842        inserted using a local number of the rows and columns
843 
844    Synopsis:
845    #include <petscmat.h>
846    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
847 
848    Not Collective
849 
850    Input Parameters:
851 +  map - the mapping between local numbering and global numbering
852 .  nrows - the number of rows indicated
853 .  rows - the indices of the rows
854 .  ncols - the number of columns in the matrix
855 .  cols - the columns indicated
856 .  dnz - the array that will be passed to the matrix preallocation routines
857 -  onz - the other array passed to the matrix preallocation routines
858 
859    Level: intermediate
860 
861    Notes:
862     See Users-Manual: ch_performance for more details.
863 
864    Do not malloc or free dnz and onz that is handled internally by these routines
865 
866 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
867           MatPreallocateInitialize(),  MatPreallocateSetLocal()
868 M*/
869 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
870 do {\
871   PetscInt __l;\
872   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
873   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
874   for (__l=0;__l<nrows;__l++) {\
875     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
876   }\
877 } while (0)
878 
879 /*MC
880    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
881        inserted using a local number of the rows and columns
882 
883    Synopsis:
884    #include <petscmat.h>
885    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
886 
887    Not Collective
888 
889    Input Parameters:
890 +  row - the row
891 .  ncols - the number of columns in the matrix
892 -  cols - the columns indicated
893 
894    Output Parameters:
895 +  dnz - the array that will be passed to the matrix preallocation routines
896 -  onz - the other array passed to the matrix preallocation routines
897 
898    Level: intermediate
899 
900    Notes:
901     See Users-Manual: ch_performance for more details.
902 
903    Do not malloc or free dnz and onz that is handled internally by these routines
904 
905    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
906 
907 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
908           MatPreallocateInitialize(), MatPreallocateSetLocal()
909 M*/
910 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
911 do { PetscInt __i; \
912   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);\
913   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);\
914   for (__i=0; __i<nc; __i++) {\
915     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
916     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
917   }\
918 } while (0)
919 
920 /*MC
921    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
922        inserted using a local number of the rows and columns
923 
924    Synopsis:
925    #include <petscmat.h>
926    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
927 
928    Not Collective
929 
930    Input Parameters:
931 +  nrows - the number of rows indicated
932 .  rows - the indices of the rows
933 .  ncols - the number of columns in the matrix
934 .  cols - the columns indicated
935 .  dnz - the array that will be passed to the matrix preallocation routines
936 -  onz - the other array passed to the matrix preallocation routines
937 
938    Level: intermediate
939 
940    Notes:
941     See Users-Manual: ch_performance for more details.
942 
943    Do not malloc or free dnz and onz that is handled internally by these routines
944 
945    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
946 
947 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
948           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
949 M*/
950 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
951 do { PetscInt __i; \
952   for (__i=0; __i<nc; __i++) {\
953     if (cols[__i] >= __end) onz[row - __rstart]++; \
954     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
955   }\
956 } while (0)
957 
958 /*MC
959    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
960 
961    Synopsis:
962    #include <petscmat.h>
963    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
964 
965    Not Collective
966 
967    Input Parameters:
968 .  A - matrix
969 .  row - row where values exist (must be local to this process)
970 .  ncols - number of columns
971 .  cols - columns with nonzeros
972 .  dnz - the array that will be passed to the matrix preallocation routines
973 -  onz - the other array passed to the matrix preallocation routines
974 
975    Level: intermediate
976 
977    Notes:
978     See Users-Manual: ch_performance for more details.
979 
980    Do not malloc or free dnz and onz that is handled internally by these routines
981 
982    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
983 
984 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
985           MatPreallocateSymmetricSetLocalBlock()
986 M*/
987 #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0; do {if (A) {ierr = MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);CHKERRQ(ierr);} else {ierr =  MatPreallocateSet(row,ncols,cols,dnz,onz);CHKERRQ(ierr);}} while(0)
988 
989 
990 /*MC
991    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
992        row in a matrix providing the data that one can use to correctly preallocate the matrix.
993 
994    Synopsis:
995    #include <petscmat.h>
996    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
997 
998    Collective
999 
1000    Input Parameters:
1001 +  dnz - the array that was be passed to the matrix preallocation routines
1002 -  onz - the other array passed to the matrix preallocation routines
1003 
1004    Level: intermediate
1005 
1006    Notes:
1007     See Users-Manual: ch_performance for more details.
1008 
1009    Do not malloc or free dnz and onz that is handled internally by these routines
1010 
1011    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1012 
1013 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1014           MatPreallocateSymmetricSetLocalBlock()
1015 M*/
1016 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while(0)
1017 
1018 /* Routines unique to particular data structures */
1019 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1020 
1021 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1022 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1023 
1024 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1025 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1026 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1027 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1028 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1029 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1030 
1031 #define MAT_SKIP_ALLOCATION -4
1032 
1033 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1034 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1035 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1036 
1037 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1038 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1039 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1040 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1041 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1042 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1043 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1044 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1045 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1046 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1047 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1048 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1049 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1050 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1051 
1052 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1053 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1054 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1055 
1056 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1057 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1058 
1059 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1060 
1061 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1062 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1063 /*
1064   These routines are not usually accessed directly, rather solving is
1065   done through the KSP and PC interfaces.
1066 */
1067 
1068 /*J
1069     MatOrderingType - String with the name of a PETSc matrix ordering
1070 
1071    Level: beginner
1072 
1073 .seealso: MatGetOrdering()
1074 J*/
1075 typedef const char* MatOrderingType;
1076 #define MATORDERINGNATURAL     "natural"
1077 #define MATORDERINGND          "nd"
1078 #define MATORDERING1WD         "1wd"
1079 #define MATORDERINGRCM         "rcm"
1080 #define MATORDERINGQMD         "qmd"
1081 #define MATORDERINGROWLENGTH   "rowlength"
1082 #define MATORDERINGWBM         "wbm"
1083 #define MATORDERINGSPECTRAL    "spectral"
1084 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1085 
1086 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1087 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1088 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1089 PETSC_EXTERN PetscFunctionList MatOrderingList;
1090 
1091 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1092 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1093 
1094 /*S
1095     MatFactorShiftType - Numeric Shift.
1096 
1097    Level: beginner
1098 
1099 S*/
1100 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1101 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1102 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1103 
1104 /*S
1105     MatFactorError - indicates what type of error in matrix factor
1106 
1107     Level: beginner
1108 
1109     Developer Notes:
1110     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1111 
1112 .seealso: MatGetFactor()
1113 S*/
1114 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1115 
1116 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1117 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1118 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1119 
1120 /*S
1121    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1122 
1123    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1124 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1125 
1126    Notes:
1127     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1128 
1129       You can use MatFactorInfoInitialize() to set default values.
1130 
1131    Level: developer
1132 
1133 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1134           MatFactorInfoInitialize()
1135 
1136 S*/
1137 typedef struct {
1138   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1139   PetscReal     usedt;
1140   PetscReal     dt;             /* drop tolerance */
1141   PetscReal     dtcol;          /* tolerance for pivoting */
1142   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1143   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1144   PetscReal     levels;         /* ICC/ILU(levels) */
1145   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1146                                    factorization may be faster if do not pivot */
1147   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1148   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1149   PetscReal     shiftamount;     /* how large the shift is */
1150 } MatFactorInfo;
1151 
1152 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1153 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1154 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1155 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1156 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1157 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1158 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1159 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1160 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1161 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1162 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1163 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1164 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1165 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1166 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1167 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1168 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1169 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1170 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1171 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1172 
1173 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1174 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1175 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1176 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1177 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1178 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1179 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1180 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1181 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1182 
1183 /*E
1184     MatSORType - What type of (S)SOR to perform
1185 
1186     Level: beginner
1187 
1188    May be bitwise ORd together
1189 
1190    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1191 
1192    MatSORType may be bitwise ORd together, so do not change the numbers
1193 
1194 .seealso: MatSOR()
1195 E*/
1196 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1197               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1198               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1199               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1200 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1201 
1202 /*
1203     These routines are for efficiently computing Jacobians via finite differences.
1204 */
1205 
1206 /*S
1207      MatColoring - Object for managing the coloring of matrices.
1208 
1209    Level: beginner
1210 
1211 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1212 S*/
1213 typedef struct _p_MatColoring* MatColoring;
1214 /*J
1215     MatColoringType - String with the name of a PETSc matrix coloring
1216 
1217    Level: beginner
1218 
1219 .seealso: MatColoringSetType(), MatColoring
1220 J*/
1221 
1222 typedef const  char*           MatColoringType;
1223 #define MATCOLORINGJP      "jp"
1224 #define MATCOLORINGPOWER   "power"
1225 #define MATCOLORINGNATURAL "natural"
1226 #define MATCOLORINGSL      "sl"
1227 #define MATCOLORINGLF      "lf"
1228 #define MATCOLORINGID      "id"
1229 #define MATCOLORINGGREEDY  "greedy"
1230 
1231 /*E
1232    MatColoringWeightType - Type of weight scheme
1233 
1234     Not Collective
1235 
1236 +   MAT_COLORING_RANDOM  - Random weights
1237 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1238 -   MAT_COLORING_LF      - Last-first weighting.
1239 
1240     Level: intermediate
1241 
1242    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1243 E*/
1244 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1245 
1246 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1247 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1248 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1249 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1250 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1251 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1252 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1253 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1254 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1255 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1256 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1257 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1258 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1259 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1260 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1261 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1262 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1263 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1264 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1265 
1266 /*S
1267      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1268         and coloring
1269 
1270    Level: beginner
1271 
1272 .seealso:  MatFDColoringCreate()
1273 S*/
1274 typedef struct _p_MatFDColoring* MatFDColoring;
1275 
1276 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1277 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1278 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1279 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1280 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1281 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1282 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1283 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1284 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1285 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1286 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1287 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1288 
1289 
1290 /*S
1291      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1292 
1293    Level: beginner
1294 
1295 .seealso:  MatTransposeColoringCreate()
1296 S*/
1297 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1298 
1299 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1300 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1301 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1302 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1303 
1304 /*
1305     These routines are for partitioning matrices: currently used only
1306   for adjacency matrix, MatCreateMPIAdj().
1307 */
1308 
1309 /*S
1310      MatPartitioning - Object for managing the partitioning of a matrix or graph
1311 
1312    Level: beginner
1313 
1314 .seealso:  MatPartitioningCreate(), MatPartitioningType
1315 S*/
1316 typedef struct _p_MatPartitioning* MatPartitioning;
1317 
1318 /*J
1319     MatPartitioningType - String with the name of a PETSc matrix partitioning
1320 
1321    Level: beginner
1322 dm
1323 .seealso: MatPartitioningCreate(), MatPartitioning
1324 J*/
1325 typedef const char* MatPartitioningType;
1326 #define MATPARTITIONINGCURRENT  "current"
1327 #define MATPARTITIONINGAVERAGE   "average"
1328 #define MATPARTITIONINGSQUARE   "square"
1329 #define MATPARTITIONINGPARMETIS "parmetis"
1330 #define MATPARTITIONINGCHACO    "chaco"
1331 #define MATPARTITIONINGPARTY    "party"
1332 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1333 #define MATPARTITIONINGHIERARCH  "hierarch"
1334 
1335 
1336 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1337 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1338 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1339 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1340 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1341 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1342 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1343 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1344 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1345 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1346 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1347 
1348 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1349 
1350 
1351 
1352 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1353 PETSC_STATIC_INLINE PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);}
1354 
1355 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1356 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1357 
1358 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1359 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1360 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1361 
1362 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1363 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1364 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1365 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1366 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1367 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1368 
1369 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1370 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1371 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1372 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1373 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1374 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1375 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1376 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1377 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1378 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1379 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1380 
1381 #define MP_PARTY_OPT "opt"
1382 #define MP_PARTY_LIN "lin"
1383 #define MP_PARTY_SCA "sca"
1384 #define MP_PARTY_RAN "ran"
1385 #define MP_PARTY_GBF "gbf"
1386 #define MP_PARTY_GCF "gcf"
1387 #define MP_PARTY_BUB "bub"
1388 #define MP_PARTY_DEF "def"
1389 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1390 #define MP_PARTY_HELPFUL_SETS "hs"
1391 #define MP_PARTY_KERNIGHAN_LIN "kl"
1392 #define MP_PARTY_NONE "no"
1393 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1394 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1395 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1396 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1397 
1398 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1399 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1400 
1401 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1402 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1403 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1404 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1405 
1406 /*
1407  * hierarchical partitioning
1408  */
1409 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1410 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1411 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1412 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1413 
1414 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1415 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1416 
1417 /*
1418     If you add entries here you must also add them to petsc/finclude/petscmat.h
1419 */
1420 typedef enum { MATOP_SET_VALUES=0,
1421                MATOP_GET_ROW=1,
1422                MATOP_RESTORE_ROW=2,
1423                MATOP_MULT=3,
1424                MATOP_MULT_ADD=4,
1425                MATOP_MULT_TRANSPOSE=5,
1426                MATOP_MULT_TRANSPOSE_ADD=6,
1427                MATOP_SOLVE=7,
1428                MATOP_SOLVE_ADD=8,
1429                MATOP_SOLVE_TRANSPOSE=9,
1430                MATOP_SOLVE_TRANSPOSE_ADD=10,
1431                MATOP_LUFACTOR=11,
1432                MATOP_CHOLESKYFACTOR=12,
1433                MATOP_SOR=13,
1434                MATOP_TRANSPOSE=14,
1435                MATOP_GETINFO=15,
1436                MATOP_EQUAL=16,
1437                MATOP_GET_DIAGONAL=17,
1438                MATOP_DIAGONAL_SCALE=18,
1439                MATOP_NORM=19,
1440                MATOP_ASSEMBLY_BEGIN=20,
1441                MATOP_ASSEMBLY_END=21,
1442                MATOP_SET_OPTION=22,
1443                MATOP_ZERO_ENTRIES=23,
1444                MATOP_ZERO_ROWS=24,
1445                MATOP_LUFACTOR_SYMBOLIC=25,
1446                MATOP_LUFACTOR_NUMERIC=26,
1447                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1448                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1449                MATOP_SETUP_PREALLOCATION=29,
1450                MATOP_ILUFACTOR_SYMBOLIC=30,
1451                MATOP_ICCFACTOR_SYMBOLIC=31,
1452                MATOP_GET_DIAGONAL_BLOCK=32,
1453                MATOP_FREE_INTER_STRUCT=33,
1454                MATOP_DUPLICATE=34,
1455                MATOP_FORWARD_SOLVE=35,
1456                MATOP_BACKWARD_SOLVE=36,
1457                MATOP_ILUFACTOR=37,
1458                MATOP_ICCFACTOR=38,
1459                MATOP_AXPY=39,
1460                MATOP_CREATE_SUBMATRICES=40,
1461                MATOP_INCREASE_OVERLAP=41,
1462                MATOP_GET_VALUES=42,
1463                MATOP_COPY=43,
1464                MATOP_GET_ROW_MAX=44,
1465                MATOP_SCALE=45,
1466                MATOP_SHIFT=46,
1467                MATOP_DIAGONAL_SET=47,
1468                MATOP_ZERO_ROWS_COLUMNS=48,
1469                MATOP_SET_RANDOM=49,
1470                MATOP_GET_ROW_IJ=50,
1471                MATOP_RESTORE_ROW_IJ=51,
1472                MATOP_GET_COLUMN_IJ=52,
1473                MATOP_RESTORE_COLUMN_IJ=53,
1474                MATOP_FDCOLORING_CREATE=54,
1475                MATOP_COLORING_PATCH=55,
1476                MATOP_SET_UNFACTORED=56,
1477                MATOP_PERMUTE=57,
1478                MATOP_SET_VALUES_BLOCKED=58,
1479                MATOP_CREATE_SUBMATRIX=59,
1480                MATOP_DESTROY=60,
1481                MATOP_VIEW=61,
1482                MATOP_CONVERT_FROM=62,
1483                MATOP_MATMAT_MULT=63,
1484                MATOP_MATMAT_MULT_SYMBOLIC=64,
1485                MATOP_MATMAT_MULT_NUMERIC=65,
1486                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1487                MATOP_SET_VALUES_LOCAL=67,
1488                MATOP_ZERO_ROWS_LOCAL=68,
1489                MATOP_GET_ROW_MAX_ABS=69,
1490                MATOP_GET_ROW_MIN_ABS=70,
1491                MATOP_CONVERT=71,
1492                MATOP_SET_COLORING=72,
1493                /* MATOP_PLACEHOLDER_73=73, */
1494                MATOP_SET_VALUES_ADIFOR=74,
1495                MATOP_FD_COLORING_APPLY=75,
1496                MATOP_SET_FROM_OPTIONS=76,
1497                MATOP_MULT_CONSTRAINED=77,
1498                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1499                MATOP_FIND_ZERO_DIAGONALS=79,
1500                MATOP_MULT_MULTIPLE=80,
1501                MATOP_SOLVE_MULTIPLE=81,
1502                MATOP_GET_INERTIA=82,
1503                MATOP_LOAD=83,
1504                MATOP_IS_SYMMETRIC=84,
1505                MATOP_IS_HERMITIAN=85,
1506                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1507                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1508                MATOP_CREATE_VECS=88,
1509                MATOP_MAT_MULT=89,
1510                MATOP_MAT_MULT_SYMBOLIC=90,
1511                MATOP_MAT_MULT_NUMERIC=91,
1512                MATOP_PTAP=92,
1513                MATOP_PTAP_SYMBOLIC=93,
1514                MATOP_PTAP_NUMERIC=94,
1515                MATOP_MAT_TRANSPOSE_MULT=95,
1516                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1517                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1518                /* MATOP_PLACEHOLDER_98=98, */
1519                /* MATOP_PLACEHOLDER_99=99, */
1520                /* MATOP_PLACEHOLDER_100=100, */
1521                /* MATOP_PLACEHOLDER_101=101, */
1522                MATOP_CONJUGATE=102,
1523                /* MATOP_PLACEHOLDER_103=103, */
1524                MATOP_SET_VALUES_ROW=104,
1525                MATOP_REAL_PART=105,
1526                MATOP_IMAGINARY_PART=106,
1527                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1528                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1529                MATOP_MAT_SOLVE=109,
1530                MATOP_MAT_SOLVE_TRANSPOSE=110,
1531                MATOP_GET_ROW_MIN=111,
1532                MATOP_GET_COLUMN_VECTOR=112,
1533                MATOP_MISSING_DIAGONAL=113,
1534                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1535                MATOP_CREATE=115,
1536                MATOP_GET_GHOSTS=116,
1537                MATOP_GET_LOCAL_SUB_MATRIX=117,
1538                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1539                MATOP_MULT_DIAGONAL_BLOCK=119,
1540                MATOP_HERMITIAN_TRANSPOSE=120,
1541                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1542                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1543                MATOP_GET_MULTI_PROC_BLOCK=123,
1544                MATOP_FIND_NONZERO_ROWS=124,
1545                MATOP_GET_COLUMN_NORMS=125,
1546                MATOP_INVERT_BLOCK_DIAGONAL=126,
1547                /* MATOP_PLACEHOLDER_127=127, */
1548                MATOP_CREATE_SUB_MATRICES_MPI=128,
1549                MATOP_SET_VALUES_BATCH=129,
1550                MATOP_TRANSPOSE_MAT_MULT=130,
1551                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1552                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1553                MATOP_TRANSPOSE_COLORING_CREAT=133,
1554                MATOP_TRANS_COLORING_APPLY_SPT=134,
1555                MATOP_TRANS_COLORING_APPLY_DEN=135,
1556                MATOP_RART=136,
1557                MATOP_RART_SYMBOLIC=137,
1558                MATOP_RART_NUMERIC=138,
1559                MATOP_SET_BLOCK_SIZES=139,
1560                MATOP_AYPX=140,
1561                MATOP_RESIDUAL=141,
1562                MATOP_FDCOLORING_SETUP=142,
1563                MATOP_MPICONCATENATESEQ=144,
1564                MATOP_DESTROYSUBMATRICES=145
1565              } MatOperation;
1566 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1567 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1568 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1569 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1570 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1571 
1572 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1573 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1574 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1575 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1576 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1577 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1578 
1579 /*
1580    Codes for matrices stored on disk. By default they are
1581    stored in a universal format. By changing the format with
1582    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1583    be stored in a way natural for the matrix, for example dense matrices
1584    would be stored as dense. Matrices stored this way may only be
1585    read into matrices of the same type.
1586 */
1587 #define MATRIX_BINARY_FORMAT_DENSE -1
1588 
1589 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1590 
1591 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1592 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1593 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1594 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1595 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1596 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1597 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1598 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1599 
1600 /*S
1601      MatNullSpace - Object that removes a null space from a vector, i.e.
1602          orthogonalizes the vector to a subsapce
1603 
1604    Level: advanced
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 MatComputeOperator(Mat,MatType,Mat*);
1638 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1639 
1640 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1641 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1642 
1643 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1644 
1645 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1646 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1647 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1648 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1649 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1650 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1651 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1652 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1653 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1654 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1655 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1656 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1657 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1658 
1659 /*S
1660     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1661               Jacobian vector products
1662 
1663     Notes:
1664     MATMFFD is a specific MatType which uses the MatMFFD data structure
1665 
1666            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1667 
1668     Level: developer
1669 
1670 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1671 S*/
1672 typedef struct _p_MatMFFD* MatMFFD;
1673 
1674 /*J
1675     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1676 
1677    Level: beginner
1678 
1679 .seealso: MatMFFDSetType(), MatMFFDRegister()
1680 J*/
1681 typedef const char* MatMFFDType;
1682 #define MATMFFD_DS  "ds"
1683 #define MATMFFD_WP  "wp"
1684 
1685 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1686 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1687 
1688 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1689 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1690 
1691 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1692 
1693 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1694 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1695 
1696 /*
1697    PETSc interface to MUMPS
1698 */
1699 #ifdef PETSC_HAVE_MUMPS
1700 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1701 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1702 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1703 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1704 
1705 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1706 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1707 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1708 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1709 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1710 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1711 #endif
1712 
1713 /*
1714    PETSc interface to Mkl_Pardiso
1715 */
1716 #ifdef PETSC_HAVE_MKL_PARDISO
1717 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1718 #endif
1719 
1720 /*
1721    PETSc interface to Mkl_CPardiso
1722 */
1723 #ifdef PETSC_HAVE_MKL_CPARDISO
1724 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1725 #endif
1726 
1727 /*
1728    PETSc interface to SUPERLU
1729 */
1730 #ifdef PETSC_HAVE_SUPERLU
1731 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1732 #endif
1733 
1734 /*
1735    PETSc interface to SUPERLU_DIST
1736 */
1737 #ifdef PETSC_HAVE_SUPERLU_DIST
1738 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1739 #endif
1740 
1741 /*
1742    PETSc interface to STRUMPACK
1743 */
1744 #ifdef PETSC_HAVE_STRUMPACK
1745 /*E
1746     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1747 
1748     Level: intermediate
1749 E*/
1750 typedef enum {MAT_STRUMPACK_NATURAL=0,
1751               MAT_STRUMPACK_METIS=1,
1752               MAT_STRUMPACK_PARMETIS=2,
1753               MAT_STRUMPACK_SCOTCH=3,
1754               MAT_STRUMPACK_PTSCOTCH=4,
1755               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1756 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1757 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1758 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1759 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1760 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1761 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1762 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1763 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1764 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1765 #endif
1766 
1767 
1768 PETSC_EXTERN PetscErrorCode MatPinToCPU(Mat,PetscBool);
1769 
1770 #ifdef PETSC_HAVE_CUDA
1771 /*E
1772     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1773     matrices.
1774 
1775     Not Collective
1776 
1777 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1778 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1779 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1780 
1781     Level: intermediate
1782 
1783    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1784 
1785 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1786 E*/
1787 
1788 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1789 
1790 /* these will be strings associated with enumerated type defined above */
1791 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1792 
1793 /*E
1794     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1795     matrices whose operation should use a particular storage format.
1796 
1797     Not Collective
1798 
1799 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1800 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1801 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1802 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1803 
1804     Level: intermediate
1805 
1806 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1807 E*/
1808 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1809 
1810 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1811 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1812 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1813 #endif
1814 
1815 #if defined(PETSC_HAVE_VIENNACL)
1816 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1817 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1818 #endif
1819 
1820 /*
1821    PETSc interface to FFTW
1822 */
1823 #if defined(PETSC_HAVE_FFTW)
1824 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1825 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1826 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1827 #endif
1828 
1829 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1830 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1831 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1832 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1833 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1834 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1835 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1836 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1837 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1838 
1839 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1840 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1841 
1842 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1843 
1844 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1845 
1846 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1847 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1848 
1849 #endif
1850