xref: /petsc/include/petscmat.h (revision 4863603af06b16768e4e4a060cedf7d42fa55e81)
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_OPTION_MAX = 23} MatOption;
401 
402 PETSC_EXTERN const char *const *MatOptions;
403 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
404 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
405 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
406 
407 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
408 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
409 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
410 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
411 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
412 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
413 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
414 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
415 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
416 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
417 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
418 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
419 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
420 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
421 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
422 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
423 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
424 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
425 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
426 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
427 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
428 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
429 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
430 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
431 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
432 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
433 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
434 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
435 
436 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
437 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
438 
439 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
440 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
441 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
442 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
443 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
444 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
445 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
446 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
447 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
448 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
449 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
450 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
451 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
452 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
453 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
454 
455 /*E
456     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
457   its numerical values copied over or just its nonzero structure.
458 
459     Level: beginner
460 
461    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
462 
463 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
464 $                               with zeros for the numerical values.
465 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
466 $                               and with the same numerical values.
467 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
468 $                               and does not copy it, using zeros for the numerical values. The parent and
469 $                               child matrices will share their index (i and j) arrays, and you cannot
470 $                               insert new nonzero entries into either matrix.
471 
472 Notes:
473     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
474 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
475 
476 .seealso: MatDuplicate()
477 E*/
478 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
479 
480 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
481 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
482 
483 
484 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
485 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
486 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
487 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
488 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
489 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
490 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
491 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
492 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
493 
494 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
495 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
496 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
497 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
498 
499 /*S
500      MatInfo - Context of matrix information, used with MatGetInfo()
501 
502    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
503 
504    Level: intermediate
505 
506 .seealso:  MatGetInfo(), MatInfoType
507 S*/
508 typedef struct {
509   PetscLogDouble block_size;                         /* block size */
510   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
511   PetscLogDouble memory;                             /* memory allocated */
512   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
513   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
514   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
515   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
516 } MatInfo;
517 
518 /*E
519     MatInfoType - Indicates if you want information about the local part of the matrix,
520      the entire parallel matrix or the maximum over all the local parts.
521 
522     Level: beginner
523 
524    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
525 
526 .seealso: MatGetInfo(), MatInfo
527 E*/
528 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
529 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
530 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
531 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
532 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
533 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
534 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
535 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
536 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
537 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
538 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
539 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
540 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
541 
542 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
543 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
544 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
545 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
546 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
547 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
548 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
549 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
550 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
551 
552 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
553 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
554 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
555 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
556 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
557 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
558 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
559 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
560 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
561 
562 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
563 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
564 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
565 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
566 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
567 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
568 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
569 
570 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
571 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);}
572 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
573 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);}
574 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
575 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
576 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
577 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);}
578 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
579 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
580 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
581 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
582 
583 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
584 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
585 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
586 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
587 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
588 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
589 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
590 
591 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
592 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
593 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
594 
595 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
596 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
597 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
598 
599 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
600 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
601 
602 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
603 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
604 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
605 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
606 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
607 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
608 
609 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
610 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
611 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
612 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
613 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
614 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
615 
616 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
617 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
618 
619 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
620 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
621 
622 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
623 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
624 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
625 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
626 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
627 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
628 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
629 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
630 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
631 
632 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
633 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
634 
635 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
636 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
637 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
638 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
639 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);}
640 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
641 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
642 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
643 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
644 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
645 
646 /*MC
647    MatSetValue - Set a single entry into a matrix.
648 
649    Not collective
650 
651    Synopsis:
652      #include <petscmat.h>
653      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
654 
655    Input Parameters:
656 +  m - the matrix
657 .  row - the row location of the entry
658 .  col - the column location of the entry
659 .  value - the value to insert
660 -  mode - either INSERT_VALUES or ADD_VALUES
661 
662    Notes:
663    For efficiency one should use MatSetValues() and set several or many
664    values simultaneously if possible.
665 
666    Level: beginner
667 
668 .seealso: MatSetValues(), MatSetValueLocal()
669 M*/
670 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
671 
672 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
673 
674 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
675 
676 /*MC
677    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
678        row in a matrix providing the data that one can use to correctly preallocate the matrix.
679 
680    Synopsis:
681    #include <petscmat.h>
682    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
683 
684    Collective
685 
686    Input Parameters:
687 +  comm - the communicator that will share the eventually allocated matrix
688 .  nrows - the number of LOCAL rows in the matrix
689 -  ncols - the number of LOCAL columns in the matrix
690 
691    Output Parameters:
692 +  dnz - the array that will be passed to the matrix preallocation routines
693 -  onz - the other array passed to the matrix preallocation routines
694 
695    Level: intermediate
696 
697    Notes:
698     See Users-Manual: ch_performance for more details.
699 
700    Do not malloc or free dnz and onz, that is handled internally by these routines
701 
702    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)
703 
704    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
705 
706 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
707           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock()
708 M*/
709 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
710 do { \
711   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
712   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
713   __start = 0; __end = __start;                                         \
714   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
715   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; \
716   do { } while(0)
717 
718 /*MC
719    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
720        inserted using a local number of the rows and columns
721 
722    Synopsis:
723    #include <petscmat.h>
724    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
725 
726    Not Collective
727 
728    Input Parameters:
729 +  map - the row mapping from local numbering to global numbering
730 .  nrows - the number of rows indicated
731 .  rows - the indices of the rows
732 .  cmap - the column mapping from local to global numbering
733 .  ncols - the number of columns in the matrix
734 .  cols - the columns indicated
735 .  dnz - the array that will be passed to the matrix preallocation routines
736 -  onz - the other array passed to the matrix preallocation routines
737 
738    Level: intermediate
739 
740    Notes:
741     See Users-Manual: ch_performance for more details.
742 
743    Do not malloc or free dnz and onz, that is handled internally by these routines
744 
745 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
746           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
747 M*/
748 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
749 do {\
750   PetscInt __l;\
751   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
752   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
753   for (__l=0;__l<nrows;__l++) {\
754     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
755   }\
756  } while (0)
757 
758 /*MC
759    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
760        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
761 
762    Synopsis:
763    #include <petscmat.h>
764    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
765 
766    Not Collective
767 
768    Input Parameters:
769 +  map - the row mapping from local numbering to global numbering
770 .  nrows - the number of rows indicated
771 .  rows - the indices of the rows (these values are mapped to the global values)
772 .  cmap - the column mapping from local to global numbering
773 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
774 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
775 .  dnz - the array that will be passed to the matrix preallocation routines
776 -  onz - the other array passed to the matrix preallocation routines
777 
778    Level: intermediate
779 
780    Notes:
781     See Users-Manual: ch_performance for more details.
782 
783    Do not malloc or free dnz and onz, that is handled internally by these routines
784 
785 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
786           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
787 M*/
788 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
789 do {\
790   PetscInt __l;\
791   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
792   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
793   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
794   for (__l=0;__l<nrows;__l++) {\
795     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
796   }\
797  } while (0)
798 
799 /*MC
800    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
801        inserted using a local number of the rows and columns
802 
803    Synopsis:
804    #include <petscmat.h>
805    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
806 
807    Not Collective
808 
809    Input Parameters:
810 +  map - the row mapping from local numbering to global numbering
811 .  nrows - the number of rows indicated
812 .  rows - the indices of the rows
813 .  cmap - the column mapping from local to global numbering
814 .  ncols - the number of columns in the matrix
815 .  cols - the columns indicated
816 .  dnz - the array that will be passed to the matrix preallocation routines
817 -  onz - the other array passed to the matrix preallocation routines
818 
819    Level: intermediate
820 
821    Notes:
822     See Users-Manual: ch_performance for more details.
823 
824    Do not malloc or free dnz and onz, that is handled internally by these routines
825 
826 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
827           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
828 M*/
829 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
830 do {\
831   PetscInt __l;\
832   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
833   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
834   for (__l=0;__l<nrows;__l++) {\
835     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
836   }\
837 } while (0)
838 
839 /*MC
840    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
841        inserted using a local number of the rows and columns
842 
843    Synopsis:
844    #include <petscmat.h>
845    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
846 
847    Not Collective
848 
849    Input Parameters:
850 +  map - the mapping between local numbering and global numbering
851 .  nrows - the number of rows indicated
852 .  rows - the indices of the rows
853 .  ncols - the number of columns in the matrix
854 .  cols - the columns indicated
855 .  dnz - the array that will be passed to the matrix preallocation routines
856 -  onz - the other array passed to the matrix preallocation routines
857 
858    Level: intermediate
859 
860    Notes:
861     See Users-Manual: ch_performance for more details.
862 
863    Do not malloc or free dnz and onz that is handled internally by these routines
864 
865 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
866           MatPreallocateInitialize(),  MatPreallocateSetLocal()
867 M*/
868 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
869 do {\
870   PetscInt __l;\
871   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
872   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
873   for (__l=0;__l<nrows;__l++) {\
874     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
875   }\
876 } while (0)
877 
878 /*MC
879    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
880        inserted using a local number of the rows and columns
881 
882    Synopsis:
883    #include <petscmat.h>
884    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
885 
886    Not Collective
887 
888    Input Parameters:
889 +  row - the row
890 .  ncols - the number of columns in the matrix
891 -  cols - the columns indicated
892 
893    Output Parameters:
894 +  dnz - the array that will be passed to the matrix preallocation routines
895 -  onz - the other array passed to the matrix preallocation routines
896 
897    Level: intermediate
898 
899    Notes:
900     See Users-Manual: ch_performance for more details.
901 
902    Do not malloc or free dnz and onz that is handled internally by these routines
903 
904    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
905 
906 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
907           MatPreallocateInitialize(), MatPreallocateSetLocal()
908 M*/
909 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
910 do { PetscInt __i; \
911   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);\
912   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);\
913   for (__i=0; __i<nc; __i++) {\
914     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
915     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
916   }\
917 } while (0)
918 
919 /*MC
920    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
921        inserted using a local number of the rows and columns
922 
923    Synopsis:
924    #include <petscmat.h>
925    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
926 
927    Not Collective
928 
929    Input Parameters:
930 +  nrows - the number of rows indicated
931 .  rows - the indices of the rows
932 .  ncols - the number of columns in the matrix
933 .  cols - the columns indicated
934 .  dnz - the array that will be passed to the matrix preallocation routines
935 -  onz - the other array passed to the matrix preallocation routines
936 
937    Level: intermediate
938 
939    Notes:
940     See Users-Manual: ch_performance for more details.
941 
942    Do not malloc or free dnz and onz that is handled internally by these routines
943 
944    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
945 
946 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
947           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
948 M*/
949 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
950 do { PetscInt __i; \
951   for (__i=0; __i<nc; __i++) {\
952     if (cols[__i] >= __end) onz[row - __rstart]++; \
953     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
954   }\
955 } while (0)
956 
957 /*MC
958    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
959 
960    Synopsis:
961    #include <petscmat.h>
962    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
963 
964    Not Collective
965 
966    Input Parameters:
967 .  A - matrix
968 .  row - row where values exist (must be local to this process)
969 .  ncols - number of columns
970 .  cols - columns with nonzeros
971 .  dnz - the array that will be passed to the matrix preallocation routines
972 -  onz - the other array passed to the matrix preallocation routines
973 
974    Level: intermediate
975 
976    Notes:
977     See Users-Manual: ch_performance for more details.
978 
979    Do not malloc or free dnz and onz that is handled internally by these routines
980 
981    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
982 
983 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
984           MatPreallocateSymmetricSetLocalBlock()
985 M*/
986 #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)
987 
988 
989 /*MC
990    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
991        row in a matrix providing the data that one can use to correctly preallocate the matrix.
992 
993    Synopsis:
994    #include <petscmat.h>
995    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
996 
997    Collective
998 
999    Input Parameters:
1000 +  dnz - the array that was be passed to the matrix preallocation routines
1001 -  onz - the other array passed to the matrix preallocation routines
1002 
1003    Level: intermediate
1004 
1005    Notes:
1006     See Users-Manual: ch_performance for more details.
1007 
1008    Do not malloc or free dnz and onz that is handled internally by these routines
1009 
1010    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1011 
1012 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1013           MatPreallocateSymmetricSetLocalBlock()
1014 M*/
1015 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while(0)
1016 
1017 /* Routines unique to particular data structures */
1018 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1019 
1020 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1021 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1022 
1023 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1024 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1025 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1026 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1027 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1028 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1029 
1030 #define MAT_SKIP_ALLOCATION -4
1031 
1032 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1033 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1034 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1035 
1036 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1037 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1038 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1039 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1040 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1041 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1042 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1043 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1044 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1045 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1046 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1047 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1048 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1049 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1050 
1051 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1052 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1053 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1054 
1055 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1056 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1057 
1058 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1059 
1060 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1061 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1062 /*
1063   These routines are not usually accessed directly, rather solving is
1064   done through the KSP and PC interfaces.
1065 */
1066 
1067 /*J
1068     MatOrderingType - String with the name of a PETSc matrix ordering
1069 
1070    Level: beginner
1071 
1072 .seealso: MatGetOrdering()
1073 J*/
1074 typedef const char* MatOrderingType;
1075 #define MATORDERINGNATURAL     "natural"
1076 #define MATORDERINGND          "nd"
1077 #define MATORDERING1WD         "1wd"
1078 #define MATORDERINGRCM         "rcm"
1079 #define MATORDERINGQMD         "qmd"
1080 #define MATORDERINGROWLENGTH   "rowlength"
1081 #define MATORDERINGWBM         "wbm"
1082 #define MATORDERINGSPECTRAL    "spectral"
1083 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1084 
1085 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1086 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1087 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1088 PETSC_EXTERN PetscFunctionList MatOrderingList;
1089 
1090 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1091 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1092 
1093 /*S
1094     MatFactorShiftType - Numeric Shift.
1095 
1096    Level: beginner
1097 
1098 S*/
1099 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1100 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1101 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1102 
1103 /*S
1104     MatFactorError - indicates what type of error in matrix factor
1105 
1106     Level: beginner
1107 
1108     Developer Notes:
1109     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1110 
1111 .seealso: MatGetFactor()
1112 S*/
1113 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1114 
1115 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1116 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1117 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1118 
1119 /*S
1120    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1121 
1122    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1123 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1124 
1125    Notes:
1126     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1127 
1128       You can use MatFactorInfoInitialize() to set default values.
1129 
1130    Level: developer
1131 
1132 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1133           MatFactorInfoInitialize()
1134 
1135 S*/
1136 typedef struct {
1137   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1138   PetscReal     usedt;
1139   PetscReal     dt;             /* drop tolerance */
1140   PetscReal     dtcol;          /* tolerance for pivoting */
1141   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1142   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1143   PetscReal     levels;         /* ICC/ILU(levels) */
1144   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1145                                    factorization may be faster if do not pivot */
1146   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1147   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1148   PetscReal     shiftamount;     /* how large the shift is */
1149 } MatFactorInfo;
1150 
1151 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1152 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1153 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1154 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1155 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1156 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1157 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1158 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1159 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1160 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1161 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1162 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1163 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1164 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1165 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1166 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1167 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1168 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1169 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1170 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1171 
1172 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1173 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1174 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1175 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1176 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1177 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1178 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1179 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1180 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1181 
1182 /*E
1183     MatSORType - What type of (S)SOR to perform
1184 
1185     Level: beginner
1186 
1187    May be bitwise ORd together
1188 
1189    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1190 
1191    MatSORType may be bitwise ORd together, so do not change the numbers
1192 
1193 .seealso: MatSOR()
1194 E*/
1195 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1196               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1197               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1198               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1199 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1200 
1201 /*
1202     These routines are for efficiently computing Jacobians via finite differences.
1203 */
1204 
1205 /*S
1206      MatColoring - Object for managing the coloring of matrices.
1207 
1208    Level: beginner
1209 
1210 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1211 S*/
1212 typedef struct _p_MatColoring* MatColoring;
1213 /*J
1214     MatColoringType - String with the name of a PETSc matrix coloring
1215 
1216    Level: beginner
1217 
1218 .seealso: MatColoringSetType(), MatColoring
1219 J*/
1220 
1221 typedef const  char*           MatColoringType;
1222 #define MATCOLORINGJP      "jp"
1223 #define MATCOLORINGPOWER   "power"
1224 #define MATCOLORINGNATURAL "natural"
1225 #define MATCOLORINGSL      "sl"
1226 #define MATCOLORINGLF      "lf"
1227 #define MATCOLORINGID      "id"
1228 #define MATCOLORINGGREEDY  "greedy"
1229 
1230 /*E
1231    MatColoringWeightType - Type of weight scheme
1232 
1233     Not Collective
1234 
1235 +   MAT_COLORING_RANDOM  - Random weights
1236 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1237 -   MAT_COLORING_LF      - Last-first weighting.
1238 
1239     Level: intermediate
1240 
1241    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1242 E*/
1243 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1244 
1245 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1246 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1247 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1248 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1249 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1250 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1251 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1252 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1253 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1254 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1255 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1256 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1257 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1258 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1259 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1260 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1261 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1262 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1263 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1264 
1265 /*S
1266      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1267         and coloring
1268 
1269    Level: beginner
1270 
1271 .seealso:  MatFDColoringCreate()
1272 S*/
1273 typedef struct _p_MatFDColoring* MatFDColoring;
1274 
1275 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1276 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1277 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1278 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1279 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1280 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1281 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1282 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1283 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1284 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1285 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1286 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1287 
1288 
1289 /*S
1290      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1291 
1292    Level: beginner
1293 
1294 .seealso:  MatTransposeColoringCreate()
1295 S*/
1296 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1297 
1298 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1299 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1300 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1301 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1302 
1303 /*
1304     These routines are for partitioning matrices: currently used only
1305   for adjacency matrix, MatCreateMPIAdj().
1306 */
1307 
1308 /*S
1309      MatPartitioning - Object for managing the partitioning of a matrix or graph
1310 
1311    Level: beginner
1312 
1313 .seealso:  MatPartitioningCreate(), MatPartitioningType
1314 S*/
1315 typedef struct _p_MatPartitioning* MatPartitioning;
1316 
1317 /*J
1318     MatPartitioningType - String with the name of a PETSc matrix partitioning
1319 
1320    Level: beginner
1321 dm
1322 .seealso: MatPartitioningCreate(), MatPartitioning
1323 J*/
1324 typedef const char* MatPartitioningType;
1325 #define MATPARTITIONINGCURRENT  "current"
1326 #define MATPARTITIONINGAVERAGE   "average"
1327 #define MATPARTITIONINGSQUARE   "square"
1328 #define MATPARTITIONINGPARMETIS "parmetis"
1329 #define MATPARTITIONINGCHACO    "chaco"
1330 #define MATPARTITIONINGPARTY    "party"
1331 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1332 #define MATPARTITIONINGHIERARCH  "hierarch"
1333 
1334 
1335 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1336 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1337 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1338 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1339 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1340 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1341 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1342 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1343 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1344 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1345 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1346 
1347 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1348 
1349 
1350 
1351 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1352 PETSC_STATIC_INLINE PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);}
1353 
1354 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1355 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1356 
1357 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1358 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1359 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1360 
1361 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1362 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1363 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1364 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1365 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1366 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1367 
1368 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1369 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1370 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1371 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1372 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1373 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1374 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1375 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1376 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1377 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1378 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1379 
1380 #define MP_PARTY_OPT "opt"
1381 #define MP_PARTY_LIN "lin"
1382 #define MP_PARTY_SCA "sca"
1383 #define MP_PARTY_RAN "ran"
1384 #define MP_PARTY_GBF "gbf"
1385 #define MP_PARTY_GCF "gcf"
1386 #define MP_PARTY_BUB "bub"
1387 #define MP_PARTY_DEF "def"
1388 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1389 #define MP_PARTY_HELPFUL_SETS "hs"
1390 #define MP_PARTY_KERNIGHAN_LIN "kl"
1391 #define MP_PARTY_NONE "no"
1392 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1393 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1394 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1395 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1396 
1397 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1398 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1399 
1400 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1401 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1402 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1403 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1404 
1405 /*
1406  * hierarchical partitioning
1407  */
1408 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1409 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1410 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1411 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1412 
1413 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1414 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1415 
1416 /*
1417     If you add entries here you must also add them to petsc/finclude/petscmat.h
1418 */
1419 typedef enum { MATOP_SET_VALUES=0,
1420                MATOP_GET_ROW=1,
1421                MATOP_RESTORE_ROW=2,
1422                MATOP_MULT=3,
1423                MATOP_MULT_ADD=4,
1424                MATOP_MULT_TRANSPOSE=5,
1425                MATOP_MULT_TRANSPOSE_ADD=6,
1426                MATOP_SOLVE=7,
1427                MATOP_SOLVE_ADD=8,
1428                MATOP_SOLVE_TRANSPOSE=9,
1429                MATOP_SOLVE_TRANSPOSE_ADD=10,
1430                MATOP_LUFACTOR=11,
1431                MATOP_CHOLESKYFACTOR=12,
1432                MATOP_SOR=13,
1433                MATOP_TRANSPOSE=14,
1434                MATOP_GETINFO=15,
1435                MATOP_EQUAL=16,
1436                MATOP_GET_DIAGONAL=17,
1437                MATOP_DIAGONAL_SCALE=18,
1438                MATOP_NORM=19,
1439                MATOP_ASSEMBLY_BEGIN=20,
1440                MATOP_ASSEMBLY_END=21,
1441                MATOP_SET_OPTION=22,
1442                MATOP_ZERO_ENTRIES=23,
1443                MATOP_ZERO_ROWS=24,
1444                MATOP_LUFACTOR_SYMBOLIC=25,
1445                MATOP_LUFACTOR_NUMERIC=26,
1446                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1447                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1448                MATOP_SETUP_PREALLOCATION=29,
1449                MATOP_ILUFACTOR_SYMBOLIC=30,
1450                MATOP_ICCFACTOR_SYMBOLIC=31,
1451                MATOP_GET_DIAGONAL_BLOCK=32,
1452                MATOP_FREE_INTER_STRUCT=33,
1453                MATOP_DUPLICATE=34,
1454                MATOP_FORWARD_SOLVE=35,
1455                MATOP_BACKWARD_SOLVE=36,
1456                MATOP_ILUFACTOR=37,
1457                MATOP_ICCFACTOR=38,
1458                MATOP_AXPY=39,
1459                MATOP_CREATE_SUBMATRICES=40,
1460                MATOP_INCREASE_OVERLAP=41,
1461                MATOP_GET_VALUES=42,
1462                MATOP_COPY=43,
1463                MATOP_GET_ROW_MAX=44,
1464                MATOP_SCALE=45,
1465                MATOP_SHIFT=46,
1466                MATOP_DIAGONAL_SET=47,
1467                MATOP_ZERO_ROWS_COLUMNS=48,
1468                MATOP_SET_RANDOM=49,
1469                MATOP_GET_ROW_IJ=50,
1470                MATOP_RESTORE_ROW_IJ=51,
1471                MATOP_GET_COLUMN_IJ=52,
1472                MATOP_RESTORE_COLUMN_IJ=53,
1473                MATOP_FDCOLORING_CREATE=54,
1474                MATOP_COLORING_PATCH=55,
1475                MATOP_SET_UNFACTORED=56,
1476                MATOP_PERMUTE=57,
1477                MATOP_SET_VALUES_BLOCKED=58,
1478                MATOP_CREATE_SUBMATRIX=59,
1479                MATOP_DESTROY=60,
1480                MATOP_VIEW=61,
1481                MATOP_CONVERT_FROM=62,
1482                MATOP_MATMAT_MULT=63,
1483                MATOP_MATMAT_MULT_SYMBOLIC=64,
1484                MATOP_MATMAT_MULT_NUMERIC=65,
1485                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1486                MATOP_SET_VALUES_LOCAL=67,
1487                MATOP_ZERO_ROWS_LOCAL=68,
1488                MATOP_GET_ROW_MAX_ABS=69,
1489                MATOP_GET_ROW_MIN_ABS=70,
1490                MATOP_CONVERT=71,
1491                MATOP_SET_COLORING=72,
1492                /* MATOP_PLACEHOLDER_73=73, */
1493                MATOP_SET_VALUES_ADIFOR=74,
1494                MATOP_FD_COLORING_APPLY=75,
1495                MATOP_SET_FROM_OPTIONS=76,
1496                MATOP_MULT_CONSTRAINED=77,
1497                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1498                MATOP_FIND_ZERO_DIAGONALS=79,
1499                MATOP_MULT_MULTIPLE=80,
1500                MATOP_SOLVE_MULTIPLE=81,
1501                MATOP_GET_INERTIA=82,
1502                MATOP_LOAD=83,
1503                MATOP_IS_SYMMETRIC=84,
1504                MATOP_IS_HERMITIAN=85,
1505                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1506                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1507                MATOP_CREATE_VECS=88,
1508                MATOP_MAT_MULT=89,
1509                MATOP_MAT_MULT_SYMBOLIC=90,
1510                MATOP_MAT_MULT_NUMERIC=91,
1511                MATOP_PTAP=92,
1512                MATOP_PTAP_SYMBOLIC=93,
1513                MATOP_PTAP_NUMERIC=94,
1514                MATOP_MAT_TRANSPOSE_MULT=95,
1515                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1516                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1517                /* MATOP_PLACEHOLDER_98=98, */
1518                /* MATOP_PLACEHOLDER_99=99, */
1519                /* MATOP_PLACEHOLDER_100=100, */
1520                /* MATOP_PLACEHOLDER_101=101, */
1521                MATOP_CONJUGATE=102,
1522                /* MATOP_PLACEHOLDER_103=103, */
1523                MATOP_SET_VALUES_ROW=104,
1524                MATOP_REAL_PART=105,
1525                MATOP_IMAGINARY_PART=106,
1526                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1527                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1528                MATOP_MAT_SOLVE=109,
1529                MATOP_MAT_SOLVE_TRANSPOSE=110,
1530                MATOP_GET_ROW_MIN=111,
1531                MATOP_GET_COLUMN_VECTOR=112,
1532                MATOP_MISSING_DIAGONAL=113,
1533                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1534                MATOP_CREATE=115,
1535                MATOP_GET_GHOSTS=116,
1536                MATOP_GET_LOCAL_SUB_MATRIX=117,
1537                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1538                MATOP_MULT_DIAGONAL_BLOCK=119,
1539                MATOP_HERMITIAN_TRANSPOSE=120,
1540                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1541                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1542                MATOP_GET_MULTI_PROC_BLOCK=123,
1543                MATOP_FIND_NONZERO_ROWS=124,
1544                MATOP_GET_COLUMN_NORMS=125,
1545                MATOP_INVERT_BLOCK_DIAGONAL=126,
1546                /* MATOP_PLACEHOLDER_127=127, */
1547                MATOP_CREATE_SUB_MATRICES_MPI=128,
1548                MATOP_SET_VALUES_BATCH=129,
1549                MATOP_TRANSPOSE_MAT_MULT=130,
1550                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1551                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1552                MATOP_TRANSPOSE_COLORING_CREAT=133,
1553                MATOP_TRANS_COLORING_APPLY_SPT=134,
1554                MATOP_TRANS_COLORING_APPLY_DEN=135,
1555                MATOP_RART=136,
1556                MATOP_RART_SYMBOLIC=137,
1557                MATOP_RART_NUMERIC=138,
1558                MATOP_SET_BLOCK_SIZES=139,
1559                MATOP_AYPX=140,
1560                MATOP_RESIDUAL=141,
1561                MATOP_FDCOLORING_SETUP=142,
1562                MATOP_MPICONCATENATESEQ=144,
1563                MATOP_DESTROYSUBMATRICES=145
1564              } MatOperation;
1565 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1566 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1567 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1568 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1569 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1570 
1571 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1572 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1573 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1574 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1575 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1576 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1577 
1578 /*
1579    Codes for matrices stored on disk. By default they are
1580    stored in a universal format. By changing the format with
1581    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1582    be stored in a way natural for the matrix, for example dense matrices
1583    would be stored as dense. Matrices stored this way may only be
1584    read into matrices of the same type.
1585 */
1586 #define MATRIX_BINARY_FORMAT_DENSE -1
1587 
1588 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1589 
1590 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1591 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1592 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1593 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1594 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1595 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1596 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1597 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1598 
1599 /*S
1600      MatNullSpace - Object that removes a null space from a vector, i.e.
1601          orthogonalizes the vector to a subsapce
1602 
1603    Level: advanced
1604 
1605   Users manual sections:
1606 .   sec_singular
1607 
1608 .seealso:  MatNullSpaceCreate()
1609 S*/
1610 typedef struct _p_MatNullSpace* MatNullSpace;
1611 
1612 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1613 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1614 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1615 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1616 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1617 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1618 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1619 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1620 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1621 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1622 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1623 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1624 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1625 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1626 
1627 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1628 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1629 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1630 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1631 
1632 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1633 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1634 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1635 
1636 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1637 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1638 
1639 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1640 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1641 
1642 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1643 
1644 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1645 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1646 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1647 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1648 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1649 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1650 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1651 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1652 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1653 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1654 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1655 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1656 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1657 
1658 /*S
1659     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1660               Jacobian vector products
1661 
1662     Notes:
1663     MATMFFD is a specific MatType which uses the MatMFFD data structure
1664 
1665            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1666 
1667     Level: developer
1668 
1669 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1670 S*/
1671 typedef struct _p_MatMFFD* MatMFFD;
1672 
1673 /*J
1674     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1675 
1676    Level: beginner
1677 
1678 .seealso: MatMFFDSetType(), MatMFFDRegister()
1679 J*/
1680 typedef const char* MatMFFDType;
1681 #define MATMFFD_DS  "ds"
1682 #define MATMFFD_WP  "wp"
1683 
1684 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1685 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1686 
1687 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1688 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1689 
1690 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1691 
1692 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1693 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1694 
1695 /*
1696    PETSc interface to MUMPS
1697 */
1698 #ifdef PETSC_HAVE_MUMPS
1699 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1700 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1701 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1702 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1703 
1704 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1705 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1706 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1707 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1708 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1709 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1710 #endif
1711 
1712 /*
1713    PETSc interface to Mkl_Pardiso
1714 */
1715 #ifdef PETSC_HAVE_MKL_PARDISO
1716 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1717 #endif
1718 
1719 /*
1720    PETSc interface to Mkl_CPardiso
1721 */
1722 #ifdef PETSC_HAVE_MKL_CPARDISO
1723 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1724 #endif
1725 
1726 /*
1727    PETSc interface to SUPERLU
1728 */
1729 #ifdef PETSC_HAVE_SUPERLU
1730 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1731 #endif
1732 
1733 /*
1734    PETSc interface to SUPERLU_DIST
1735 */
1736 #ifdef PETSC_HAVE_SUPERLU_DIST
1737 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1738 #endif
1739 
1740 /*
1741    PETSc interface to STRUMPACK
1742 */
1743 #ifdef PETSC_HAVE_STRUMPACK
1744 /*E
1745     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1746 
1747     Level: intermediate
1748 E*/
1749 typedef enum {MAT_STRUMPACK_NATURAL=0,
1750               MAT_STRUMPACK_METIS=1,
1751               MAT_STRUMPACK_PARMETIS=2,
1752               MAT_STRUMPACK_SCOTCH=3,
1753               MAT_STRUMPACK_PTSCOTCH=4,
1754               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1755 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1756 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1757 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1758 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1759 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1760 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1761 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1762 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1763 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1764 #endif
1765 
1766 
1767 PETSC_EXTERN PetscErrorCode MatPinToCPU(Mat,PetscBool);
1768 
1769 #ifdef PETSC_HAVE_CUDA
1770 /*E
1771     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1772     matrices.
1773 
1774     Not Collective
1775 
1776 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1777 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1778 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1779 
1780     Level: intermediate
1781 
1782    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1783 
1784 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1785 E*/
1786 
1787 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1788 
1789 /* these will be strings associated with enumerated type defined above */
1790 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1791 
1792 /*E
1793     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1794     matrices whose operation should use a particular storage format.
1795 
1796     Not Collective
1797 
1798 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1799 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1800 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1801 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1802 
1803     Level: intermediate
1804 
1805 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1806 E*/
1807 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1808 
1809 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1810 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1811 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1812 #endif
1813 
1814 #if defined(PETSC_HAVE_VIENNACL)
1815 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1816 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1817 #endif
1818 
1819 /*
1820    PETSc interface to FFTW
1821 */
1822 #if defined(PETSC_HAVE_FFTW)
1823 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1824 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1825 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1826 #endif
1827 
1828 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1829 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1830 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1831 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1832 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1833 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1834 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1835 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1836 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1837 
1838 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1839 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1840 
1841 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1842 
1843 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1844 
1845 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1846 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1847 
1848 #endif
1849