xref: /petsc/include/petscmat.h (revision 8c8613bfb2dd4935d530105ee61f871f63753629)
1 /*
2      Include file for the matrix component of PETSc
3 */
4 #ifndef __PETSCMAT_H
5 #define __PETSCMAT_H
6 #include <petscvec.h>
7 
8 /*S
9      Mat - Abstract PETSc matrix object used to manage all linear operators in PETSc, even those without
10            an explicit sparse representation (such as matrix-free operators)
11 
12    Level: beginner
13 
14   Concepts: matrix; linear operator
15 
16 .seealso:  MatCreate(), MatType, MatSetType(), MatDestroy()
17 S*/
18 typedef struct _p_Mat*           Mat;
19 
20 /*J
21     MatType - String with the name of a PETSc matrix type
22 
23    Level: beginner
24 
25 .seealso: MatSetType(), Mat, MatSolverType, MatRegister()
26 J*/
27 typedef const char* MatType;
28 #define MATSAME            "same"
29 #define MATMAIJ            "maij"
30 #define MATSEQMAIJ         "seqmaij"
31 #define MATMPIMAIJ         "mpimaij"
32 #define MATIS              "is"
33 #define MATAIJ             "aij"
34 #define MATSEQAIJ          "seqaij"
35 #define MATMPIAIJ          "mpiaij"
36 #define MATAIJCRL          "aijcrl"
37 #define MATSEQAIJCRL       "seqaijcrl"
38 #define MATMPIAIJCRL       "mpiaijcrl"
39 #define MATAIJCUSPARSE     "aijcusparse"
40 #define MATSEQAIJCUSPARSE  "seqaijcusparse"
41 #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
42 #define MATAIJVIENNACL     "aijviennacl"
43 #define MATSEQAIJVIENNACL  "seqaijviennacl"
44 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
45 #define MATAIJPERM         "aijperm"
46 #define MATSEQAIJPERM      "seqaijperm"
47 #define MATMPIAIJPERM      "mpiaijperm"
48 #define MATAIJSELL         "aijsell"
49 #define MATSEQAIJSELL      "seqaijsell"
50 #define MATMPIAIJSELL      "mpiaijsell"
51 #define MATAIJMKL          "aijmkl"
52 #define MATSEQAIJMKL       "seqaijmkl"
53 #define MATMPIAIJMKL       "mpiaijmkl"
54 #define MATBAIJMKL         "baijmkl"
55 #define MATSEQBAIJMKL      "seqbaijmkl"
56 #define MATMPIBAIJMKL      "mpibaijmkl"
57 #define MATSHELL           "shell"
58 #define MATDENSE           "dense"
59 #define MATSEQDENSE        "seqdense"
60 #define MATMPIDENSE        "mpidense"
61 #define MATELEMENTAL       "elemental"
62 #define MATBAIJ            "baij"
63 #define MATSEQBAIJ         "seqbaij"
64 #define MATMPIBAIJ         "mpibaij"
65 #define MATMPIADJ          "mpiadj"
66 #define MATSBAIJ           "sbaij"
67 #define MATSEQSBAIJ        "seqsbaij"
68 #define MATMPISBAIJ        "mpisbaij"
69 #define MATDAAD            "daad"
70 #define MATMFFD            "mffd"
71 #define MATNORMAL          "normal"
72 #define MATNORMALHERMITIAN "normalh"
73 #define MATLRC             "lrc"
74 #define MATSCATTER         "scatter"
75 #define MATBLOCKMAT        "blockmat"
76 #define MATCOMPOSITE       "composite"
77 #define MATFFT             "fft"
78 #define MATFFTW            "fftw"
79 #define MATSEQCUFFT        "seqcufft"
80 #define MATTRANSPOSEMAT    "transpose"
81 #define MATSCHURCOMPLEMENT "schurcomplement"
82 #define MATPYTHON          "python"
83 #define MATHYPRE           "hypre"
84 #define MATHYPRESTRUCT     "hyprestruct"
85 #define MATHYPRESSTRUCT    "hypresstruct"
86 #define MATSUBMATRIX       "submatrix"
87 #define MATLOCALREF        "localref"
88 #define MATNEST            "nest"
89 #define MATPREALLOCATOR    "preallocator"
90 #define MATSELL            "sell"
91 #define MATSEQSELL         "seqsell"
92 #define MATMPISELL         "mpisell"
93 #define MATDUMMY           "dummy"
94 #define MATLMVM            "lmvm"
95 #define MATLMVMDFP         "lmvmdfp"
96 #define MATLMVMBFGS        "lmvmbfgs"
97 #define MATLMVMSR1         "lmvmsr1"
98 #define MATLMVMBRDN        "lmvmbrdn"
99 #define MATLMVMBADBRDN     "lmvmbadbrdn"
100 #define MATLMVMSYMBRDN     "lmvmsymbrdn"
101 #define MATLMVMSYMBADBRDN  "lmvmsymbadbrdn"
102 #define MATLMVMDIAGBRDN    "lmvmdiagbrdn"
103 
104 /*J
105     MatSolverType - String with the name of a PETSc matrix solver type.
106 
107     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
108 
109    Level: beginner
110 
111 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
112 J*/
113 typedef const char* MatSolverType;
114 #define MATSOLVERSUPERLU          "superlu"
115 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
116 #define MATSOLVERSTRUMPACK        "strumpack"
117 #define MATSOLVERUMFPACK          "umfpack"
118 #define MATSOLVERCHOLMOD          "cholmod"
119 #define MATSOLVERKLU              "klu"
120 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
121 #define MATSOLVERELEMENTAL        "elemental"
122 #define MATSOLVERESSL             "essl"
123 #define MATSOLVERLUSOL            "lusol"
124 #define MATSOLVERMUMPS            "mumps"
125 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
126 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
127 #define MATSOLVERPASTIX           "pastix"
128 #define MATSOLVERMATLAB           "matlab"
129 #define MATSOLVERPETSC            "petsc"
130 #define MATSOLVERBAS              "bas"
131 #define MATSOLVERCUSPARSE         "cusparse"
132 
133 /*E
134     MatFactorType - indicates what type of factorization is requested
135 
136     Level: beginner
137 
138    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
139 
140 .seealso: MatSolverType, MatGetFactor()
141 E*/
142 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
143 PETSC_EXTERN const char *const MatFactorTypes[];
144 
145 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
146 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
147 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
148 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
149 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
150 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
151 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
152 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
153 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*))
154 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
155 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*))
156 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
157 
158 /* Logging support */
159 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
160 PETSC_EXTERN PetscClassId MAT_CLASSID;
161 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
162 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
163 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
164 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
165 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
166 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
167 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
168 
169 /*E
170     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
171      are to be reused to store the new matrix values.
172 
173 $  MAT_INITIAL_MATRIX - create a new matrix
174 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
175 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
176 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
177 
178     Level: beginner
179 
180    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
181 
182 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
183 E*/
184 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
185 
186 /*E
187     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
188      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
189 
190     Level: beginner
191 
192 .seealso: MatGetSeqNonzerostructure()
193 E*/
194 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
195 
196 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
197 
198 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
199 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
200 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
201 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
202 PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
203 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
204 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
205 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
206 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
207 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
208 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
209 
210 PETSC_EXTERN PetscFunctionList MatList;
211 PETSC_EXTERN PetscFunctionList MatColoringList;
212 PETSC_EXTERN PetscFunctionList MatPartitioningList;
213 
214 /*E
215     MatStructure - Indicates if two matrices have the same nonzero structure
216 
217     Level: beginner
218 
219    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
220 
221 .seealso: MatCopy(), MatAXPY()
222 E*/
223 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
224 
225 #if defined PETSC_HAVE_MKL_SPARSE
226 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
227 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
228 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
229 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
230 #endif
231 
232 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
233 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
234 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
235 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
236 
237 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
238 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
239 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
240 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
241 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
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 MatCompositeGetNumberMat(Mat,PetscInt*);
280 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
281 
282 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
283 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
284 
285 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
286 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
287 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
288 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
289 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
290 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
291 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
292 
293 #if defined(PETSC_HAVE_HYPRE)
294 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
295 #endif
296 
297 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
298 
299 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
300 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
301 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
302 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
303 
304 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
305 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
306 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
307 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
308 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
309 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
310 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
311 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
312 
313 /* ------------------------------------------------------------*/
314 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
315 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
316 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
317 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
318 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
319 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
320 
321 /*S
322      MatStencil - Data structure (C struct) for storing information about a single row or
323         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
324 
325    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).
326    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.
327 
328    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
329 
330    Fortran usage is different, see MatSetValuesStencil() for details.
331 
332    Level: beginner
333 
334   Concepts: matrix; linear operator
335 
336 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
337 S*/
338 typedef struct {
339   PetscInt k,j,i,c;
340 } MatStencil;
341 
342 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
343 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
344 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
345 
346 /*E
347     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
348      to continue to add or insert values to it
349 
350     Level: beginner
351 
352 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
353 E*/
354 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
355 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
356 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
357 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
358 
359 
360 
361 /*E
362     MatOption - Options that may be set for a matrix and its behavior or storage
363 
364     Level: beginner
365 
366    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
367    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
368 
369    Developer Notes:
370     Entries that are negative need not be called collectively by all processes.
371 
372 .seealso: MatSetOption()
373 E*/
374 typedef enum {MAT_OPTION_MIN = -3,
375               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
376               MAT_ROW_ORIENTED = -1,
377               MAT_SYMMETRIC = 1,
378               MAT_STRUCTURALLY_SYMMETRIC = 2,
379               MAT_NEW_DIAGONALS = 3,
380               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
381               MAT_USE_HASH_TABLE = 5,
382               MAT_KEEP_NONZERO_PATTERN = 6,
383               MAT_IGNORE_ZERO_ENTRIES = 7,
384               MAT_USE_INODES = 8,
385               MAT_HERMITIAN = 9,
386               MAT_SYMMETRY_ETERNAL = 10,
387               MAT_NEW_NONZERO_LOCATION_ERR = 11,
388               MAT_IGNORE_LOWER_TRIANGULAR = 12,
389               MAT_ERROR_LOWER_TRIANGULAR = 13,
390               MAT_GETROW_UPPERTRIANGULAR = 14,
391               MAT_SPD = 15,
392               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
393               MAT_NO_OFF_PROC_ENTRIES = 17,
394               MAT_NEW_NONZERO_LOCATIONS = 18,
395               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
396               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
397               MAT_SUBMAT_SINGLEIS = 21,
398               MAT_STRUCTURE_ONLY = 22,
399               MAT_OPTION_MAX = 23} MatOption;
400 
401 PETSC_EXTERN const char *const *MatOptions;
402 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
403 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
404 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
405 
406 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
407 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
408 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
409 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
410 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
411 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
412 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
413 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
414 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
415 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
416 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
417 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
418 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
419 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
420 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
421 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
422 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
423 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
424 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
425 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
426 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
427 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
428 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
429 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
430 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
431 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
432 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
433 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
434 
435 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
436 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
437 
438 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
439 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
440 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
441 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
442 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
443 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
444 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
445 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
446 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
447 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
448 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
449 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
450 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
451 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
452 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
453 
454 /*E
455     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
456   its numerical values copied over or just its nonzero structure.
457 
458     Level: beginner
459 
460    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
461 
462 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
463 $                               with zeros for the numerical values.
464 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
465 $                               and with the same numerical values.
466 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
467 $                               and does not copy it, using zeros for the numerical values. The parent and
468 $                               child matrices will share their index (i and j) arrays, and you cannot
469 $                               insert new nonzero entries into either matrix.
470 
471 Notes:
472     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
473 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
474 
475 .seealso: MatDuplicate()
476 E*/
477 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
478 
479 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
480 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
481 
482 
483 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
484 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
485 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
486 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
487 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
488 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
489 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
490 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
491 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
492 
493 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
494 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
495 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
496 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
497 
498 /*S
499      MatInfo - Context of matrix information, used with MatGetInfo()
500 
501    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
502 
503    Level: intermediate
504 
505   Concepts: matrix^nonzero information
506 
507 .seealso:  MatGetInfo(), MatInfoType
508 S*/
509 typedef struct {
510   PetscLogDouble block_size;                         /* block size */
511   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
512   PetscLogDouble memory;                             /* memory allocated */
513   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
514   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
515   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
516   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
517 } MatInfo;
518 
519 /*E
520     MatInfoType - Indicates if you want information about the local part of the matrix,
521      the entire parallel matrix or the maximum over all the local parts.
522 
523     Level: beginner
524 
525    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
526 
527 .seealso: MatGetInfo(), MatInfo
528 E*/
529 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
530 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
531 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
532 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
533 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
534 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
535 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
536 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
537 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
538 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
539 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
540 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
541 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
542 
543 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
544 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
545 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
546 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
547 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
548 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
549 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
550 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
551 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
552 
553 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
554 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
555 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
556 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
557 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
558 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
559 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
560 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
561 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
562 
563 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
564 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
565 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
566 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
567 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
568 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
569 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
570 
571 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
572 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatrices() (since version 3.8)") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrices(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatrices(mat,n,irow,icol,scall,submat);}
573 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
574 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatricesMPI() (since version 3.8)") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatricesMPI(Mat mat,PetscInt n,const IS irow[],const IS icol[],MatReuse scall,Mat *submat[]) {return MatCreateSubMatricesMPI(mat,n,irow,icol,scall,submat);}
575 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
576 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
577 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
578 PETSC_DEPRECATED_FUNCTION("Use MatCreateSubMatrix() (since version 3.8)") PETSC_STATIC_INLINE PetscErrorCode MatGetSubMatrix(Mat mat,IS isrow,IS iscol,MatReuse cll,Mat *newmat) {return MatCreateSubMatrix(mat,isrow,iscol,cll,newmat);}
579 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
580 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
581 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
582 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
583 
584 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
585 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
586 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
587 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
588 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
589 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
590 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
591 
592 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
593 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
594 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
595 
596 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
597 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
598 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
599 
600 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
601 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
602 
603 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
604 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
605 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
606 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
607 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
608 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
609 
610 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
611 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
612 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
613 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
614 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
615 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
616 
617 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
618 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
619 
620 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
621 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
622 
623 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
624 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
625 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
626 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
627 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
628 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
629 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
630 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
631 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
632 
633 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
634 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
635 
636 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
637 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
638 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
639 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
640 PETSC_DEPRECATED_FUNCTION("Use MatCreateVecs() (since version 3.6)") PETSC_STATIC_INLINE PetscErrorCode MatGetVecs(Mat mat,Vec *x,Vec *y) {return MatCreateVecs(mat,x,y);}
641 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
642 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
643 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
644 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
645 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
646 
647 /*MC
648    MatSetValue - Set a single entry into a matrix.
649 
650    Not collective
651 
652    Synopsis:
653      #include <petscmat.h>
654      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
655 
656    Input Parameters:
657 +  m - the matrix
658 .  row - the row location of the entry
659 .  col - the column location of the entry
660 .  value - the value to insert
661 -  mode - either INSERT_VALUES or ADD_VALUES
662 
663    Notes:
664    For efficiency one should use MatSetValues() and set several or many
665    values simultaneously if possible.
666 
667    Level: beginner
668 
669 .seealso: MatSetValues(), MatSetValueLocal()
670 M*/
671 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
672 
673 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
674 
675 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
676 
677 /*MC
678    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
679        row in a matrix providing the data that one can use to correctly preallocate the matrix.
680 
681    Synopsis:
682    #include <petscmat.h>
683    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
684 
685    Collective on MPI_Comm
686 
687    Input Parameters:
688 +  comm - the communicator that will share the eventually allocated matrix
689 .  nrows - the number of LOCAL rows in the matrix
690 -  ncols - the number of LOCAL columns in the matrix
691 
692    Output Parameters:
693 +  dnz - the array that will be passed to the matrix preallocation routines
694 -  onz - the other array passed to the matrix preallocation routines
695 
696    Level: intermediate
697 
698    Notes:
699     See Users-Manual: ch_performance for more details.
700 
701    Do not malloc or free dnz and onz, that is handled internally by these routines
702 
703    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)
704 
705    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
706 
707   Concepts: preallocation^Matrix
708 
709 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
710           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock()
711 M*/
712 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
713 { \
714   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
715   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
716   __start = 0; __end = __start;                                         \
717   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
718   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows;
719 
720 /*MC
721    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
722        inserted using a local number of the rows and columns
723 
724    Synopsis:
725    #include <petscmat.h>
726    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
727 
728    Not Collective
729 
730    Input Parameters:
731 +  map - the row mapping from local numbering to global numbering
732 .  nrows - the number of rows indicated
733 .  rows - the indices of the rows
734 .  cmap - the column mapping from local to global numbering
735 .  ncols - the number of columns in the matrix
736 .  cols - the columns indicated
737 .  dnz - the array that will be passed to the matrix preallocation routines
738 -  onz - the other array passed to the matrix preallocation routines
739 
740    Level: intermediate
741 
742    Notes:
743     See Users-Manual: ch_performance for more details.
744 
745    Do not malloc or free dnz and onz, that is handled internally by these routines
746 
747   Concepts: preallocation^Matrix
748 
749 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
750           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
751 M*/
752 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
753 {\
754   PetscInt __l;\
755   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
756   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
757   for (__l=0;__l<nrows;__l++) {\
758     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
759   }\
760 }
761 
762 /*MC
763    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
764        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
765 
766    Synopsis:
767    #include <petscmat.h>
768    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
769 
770    Not Collective
771 
772    Input Parameters:
773 +  map - the row mapping from local numbering to global numbering
774 .  nrows - the number of rows indicated
775 .  rows - the indices of the rows (these values are mapped to the global values)
776 .  cmap - the column mapping from local to global numbering
777 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
778 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
779 .  dnz - the array that will be passed to the matrix preallocation routines
780 -  onz - the other array passed to the matrix preallocation routines
781 
782    Level: intermediate
783 
784    Notes:
785     See Users-Manual: ch_performance for more details.
786 
787    Do not malloc or free dnz and onz, that is handled internally by these routines
788 
789   Concepts: preallocation^Matrix
790 
791 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
792           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
793 M*/
794 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
795 {\
796   PetscInt __l;\
797   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
798   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
799   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
800   for (__l=0;__l<nrows;__l++) {\
801     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
802   }\
803 }
804 
805 /*MC
806    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
807        inserted using a local number of the rows and columns
808 
809    Synopsis:
810    #include <petscmat.h>
811    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
812 
813    Not Collective
814 
815    Input Parameters:
816 +  map - the row mapping from local numbering to global numbering
817 .  nrows - the number of rows indicated
818 .  rows - the indices of the rows
819 .  cmap - the column mapping from local to global numbering
820 .  ncols - the number of columns in the matrix
821 .  cols - the columns indicated
822 .  dnz - the array that will be passed to the matrix preallocation routines
823 -  onz - the other array passed to the matrix preallocation routines
824 
825    Level: intermediate
826 
827    Notes:
828     See Users-Manual: ch_performance for more details.
829 
830    Do not malloc or free dnz and onz, that is handled internally by these routines
831 
832   Concepts: preallocation^Matrix
833 
834 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
835           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
836 M*/
837 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
838 {\
839   PetscInt __l;\
840   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
841   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
842   for (__l=0;__l<nrows;__l++) {\
843     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
844   }\
845 }
846 
847 /*MC
848    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
849        inserted using a local number of the rows and columns
850 
851    Synopsis:
852    #include <petscmat.h>
853    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
854 
855    Not Collective
856 
857    Input Parameters:
858 +  map - the mapping between local numbering and global numbering
859 .  nrows - the number of rows indicated
860 .  rows - the indices of the rows
861 .  ncols - the number of columns in the matrix
862 .  cols - the columns indicated
863 .  dnz - the array that will be passed to the matrix preallocation routines
864 -  onz - the other array passed to the matrix preallocation routines
865 
866    Level: intermediate
867 
868    Notes:
869     See Users-Manual: ch_performance for more details.
870 
871    Do not malloc or free dnz and onz that is handled internally by these routines
872 
873   Concepts: preallocation^Matrix
874 
875 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
876           MatPreallocateInitialize(),  MatPreallocateSetLocal()
877 M*/
878 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
879 {\
880   PetscInt __l;\
881   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
882   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
883   for (__l=0;__l<nrows;__l++) {\
884     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
885   }\
886 }
887 /*MC
888    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
889        inserted using a local number of the rows and columns
890 
891    Synopsis:
892    #include <petscmat.h>
893    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
894 
895    Not Collective
896 
897    Input Parameters:
898 +  row - the row
899 .  ncols - the number of columns in the matrix
900 -  cols - the columns indicated
901 
902    Output Parameters:
903 +  dnz - the array that will be passed to the matrix preallocation routines
904 -  onz - the other array passed to the matrix preallocation routines
905 
906    Level: intermediate
907 
908    Notes:
909     See Users-Manual: ch_performance for more details.
910 
911    Do not malloc or free dnz and onz that is handled internally by these routines
912 
913    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
914 
915   Concepts: preallocation^Matrix
916 
917 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
918           MatPreallocateInitialize(), MatPreallocateSetLocal()
919 M*/
920 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
921 { PetscInt __i; \
922   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);\
923   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);\
924   for (__i=0; __i<nc; __i++) {\
925     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
926     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
927   }\
928 }
929 
930 /*MC
931    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
932        inserted using a local number of the rows and columns
933 
934    Synopsis:
935    #include <petscmat.h>
936    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
937 
938    Not Collective
939 
940    Input Parameters:
941 +  nrows - the number of rows indicated
942 .  rows - the indices of the rows
943 .  ncols - the number of columns in the matrix
944 .  cols - the columns indicated
945 .  dnz - the array that will be passed to the matrix preallocation routines
946 -  onz - the other array passed to the matrix preallocation routines
947 
948    Level: intermediate
949 
950    Notes:
951     See Users-Manual: ch_performance for more details.
952 
953    Do not malloc or free dnz and onz that is handled internally by these routines
954 
955    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
956 
957   Concepts: preallocation^Matrix
958 
959 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
960           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
961 M*/
962 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
963 { PetscInt __i; \
964   for (__i=0; __i<nc; __i++) {\
965     if (cols[__i] >= __end) onz[row - __rstart]++; \
966     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
967   }\
968 }
969 
970 /*MC
971    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
972 
973    Synopsis:
974    #include <petscmat.h>
975    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
976 
977    Not Collective
978 
979    Input Parameters:
980 .  A - matrix
981 .  row - row where values exist (must be local to this process)
982 .  ncols - number of columns
983 .  cols - columns with nonzeros
984 .  dnz - the array that will be passed to the matrix preallocation routines
985 -  onz - the other array passed to the matrix preallocation routines
986 
987    Level: intermediate
988 
989    Notes:
990     See Users-Manual: ch_performance for more details.
991 
992    Do not malloc or free dnz and onz that is handled internally by these routines
993 
994    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
995 
996   Concepts: preallocation^Matrix
997 
998 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
999           MatPreallocateSymmetricSetLocalBlock()
1000 M*/
1001 #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0;if (A) {ierr = MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);CHKERRQ(ierr);} else {ierr =  MatPreallocateSet(row,ncols,cols,dnz,onz);CHKERRQ(ierr);}
1002 
1003 
1004 /*MC
1005    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
1006        row in a matrix providing the data that one can use to correctly preallocate the matrix.
1007 
1008    Synopsis:
1009    #include <petscmat.h>
1010    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
1011 
1012    Collective on MPI_Comm
1013 
1014    Input Parameters:
1015 +  dnz - the array that was be passed to the matrix preallocation routines
1016 -  onz - the other array passed to the matrix preallocation routines
1017 
1018    Level: intermediate
1019 
1020    Notes:
1021     See Users-Manual: ch_performance for more details.
1022 
1023    Do not malloc or free dnz and onz that is handled internally by these routines
1024 
1025    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1026 
1027   Concepts: preallocation^Matrix
1028 
1029 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1030           MatPreallocateSymmetricSetLocalBlock()
1031 M*/
1032 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);}
1033 
1034 /* Routines unique to particular data structures */
1035 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1036 
1037 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1038 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1039 
1040 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1041 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1042 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1043 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1044 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1045 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1046 
1047 #define MAT_SKIP_ALLOCATION -4
1048 
1049 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1050 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1051 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1052 
1053 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1054 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1055 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1056 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1057 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1058 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1059 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1060 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1061 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1062 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1063 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1064 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1065 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1066 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1067 
1068 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1069 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1070 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1071 
1072 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1073 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1074 
1075 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1076 
1077 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1078 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1079 /*
1080   These routines are not usually accessed directly, rather solving is
1081   done through the KSP and PC interfaces.
1082 */
1083 
1084 /*J
1085     MatOrderingType - String with the name of a PETSc matrix ordering
1086 
1087    Level: beginner
1088 
1089 .seealso: MatGetOrdering()
1090 J*/
1091 typedef const char* MatOrderingType;
1092 #define MATORDERINGNATURAL     "natural"
1093 #define MATORDERINGND          "nd"
1094 #define MATORDERING1WD         "1wd"
1095 #define MATORDERINGRCM         "rcm"
1096 #define MATORDERINGQMD         "qmd"
1097 #define MATORDERINGROWLENGTH   "rowlength"
1098 #define MATORDERINGWBM         "wbm"
1099 #define MATORDERINGSPECTRAL    "spectral"
1100 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1101 
1102 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1103 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1104 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1105 PETSC_EXTERN PetscFunctionList MatOrderingList;
1106 
1107 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1108 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1109 
1110 /*S
1111     MatFactorShiftType - Numeric Shift.
1112 
1113    Level: beginner
1114 
1115 S*/
1116 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1117 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1118 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1119 
1120 /*S
1121     MatFactorError - indicates what type of error in matrix factor
1122 
1123     Level: beginner
1124 
1125     Developer Notes:
1126     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1127 
1128 .seealso: MatGetFactor()
1129 S*/
1130 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1131 
1132 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1133 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1134 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1135 
1136 /*S
1137    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1138 
1139    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1140 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1141 
1142    Notes:
1143     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1144 
1145       You can use MatFactorInfoInitialize() to set default values.
1146 
1147    Level: developer
1148 
1149 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1150           MatFactorInfoInitialize()
1151 
1152 S*/
1153 typedef struct {
1154   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1155   PetscReal     usedt;
1156   PetscReal     dt;             /* drop tolerance */
1157   PetscReal     dtcol;          /* tolerance for pivoting */
1158   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1159   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1160   PetscReal     levels;         /* ICC/ILU(levels) */
1161   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1162                                    factorization may be faster if do not pivot */
1163   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1164   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1165   PetscReal     shiftamount;     /* how large the shift is */
1166 } MatFactorInfo;
1167 
1168 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1169 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1170 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1171 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1172 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1173 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1174 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1175 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1176 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1177 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1178 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1179 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1180 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1181 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1182 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1183 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1184 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1185 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1186 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1187 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1188 
1189 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1190 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1191 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1192 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1193 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1194 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1195 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1196 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1197 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1198 
1199 /*E
1200     MatSORType - What type of (S)SOR to perform
1201 
1202     Level: beginner
1203 
1204    May be bitwise ORd together
1205 
1206    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1207 
1208    MatSORType may be bitwise ORd together, so do not change the numbers
1209 
1210 .seealso: MatSOR()
1211 E*/
1212 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1213               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1214               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1215               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1216 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1217 
1218 /*
1219     These routines are for efficiently computing Jacobians via finite differences.
1220 */
1221 
1222 /*S
1223      MatColoring - Object for managing the coloring of matrices.
1224 
1225    Level: beginner
1226 
1227   Concepts: matrix, coloring
1228 
1229 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1230 S*/
1231 typedef struct _p_MatColoring* MatColoring;
1232 /*J
1233     MatColoringType - String with the name of a PETSc matrix coloring
1234 
1235    Level: beginner
1236 
1237 .seealso: MatColoringSetType(), MatColoring
1238 J*/
1239 
1240 typedef const  char*           MatColoringType;
1241 #define MATCOLORINGJP      "jp"
1242 #define MATCOLORINGPOWER   "power"
1243 #define MATCOLORINGNATURAL "natural"
1244 #define MATCOLORINGSL      "sl"
1245 #define MATCOLORINGLF      "lf"
1246 #define MATCOLORINGID      "id"
1247 #define MATCOLORINGGREEDY  "greedy"
1248 
1249 /*E
1250    MatColoringWeightType - Type of weight scheme
1251 
1252     Not Collective
1253 
1254 +   MAT_COLORING_RANDOM  - Random weights
1255 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1256 -   MAT_COLORING_LF      - Last-first weighting.
1257 
1258     Level: intermediate
1259 
1260    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1261 E*/
1262 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1263 
1264 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1265 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1266 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1267 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1268 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1269 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1270 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1271 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1272 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1273 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1274 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1275 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1276 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1277 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1278 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1279 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1280 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1281 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1282 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1283 
1284 /*S
1285      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1286         and coloring
1287 
1288    Level: beginner
1289 
1290   Concepts: coloring, sparse Jacobian, finite differences
1291 
1292 .seealso:  MatFDColoringCreate()
1293 S*/
1294 typedef struct _p_MatFDColoring* MatFDColoring;
1295 
1296 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1297 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1298 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1299 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1300 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1301 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1302 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1303 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1304 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1305 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1306 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1307 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1308 
1309 
1310 /*S
1311      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1312 
1313    Level: beginner
1314 
1315   Concepts: coloring, sparse matrix product
1316 
1317 .seealso:  MatTransposeColoringCreate()
1318 S*/
1319 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1320 
1321 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1322 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1323 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1324 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1325 
1326 /*
1327     These routines are for partitioning matrices: currently used only
1328   for adjacency matrix, MatCreateMPIAdj().
1329 */
1330 
1331 /*S
1332      MatPartitioning - Object for managing the partitioning of a matrix or graph
1333 
1334    Level: beginner
1335 
1336   Concepts: partitioning
1337 
1338 .seealso:  MatPartitioningCreate(), MatPartitioningType
1339 S*/
1340 typedef struct _p_MatPartitioning* MatPartitioning;
1341 
1342 /*J
1343     MatPartitioningType - String with the name of a PETSc matrix partitioning
1344 
1345    Level: beginner
1346 dm
1347 .seealso: MatPartitioningCreate(), MatPartitioning
1348 J*/
1349 typedef const char* MatPartitioningType;
1350 #define MATPARTITIONINGCURRENT  "current"
1351 #define MATPARTITIONINGAVERAGE   "average"
1352 #define MATPARTITIONINGSQUARE   "square"
1353 #define MATPARTITIONINGPARMETIS "parmetis"
1354 #define MATPARTITIONINGCHACO    "chaco"
1355 #define MATPARTITIONINGPARTY    "party"
1356 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1357 #define MATPARTITIONINGHIERARCH  "hierarch"
1358 
1359 
1360 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1361 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1362 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1363 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1364 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1365 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1366 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1367 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1368 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1369 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1370 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1371 
1372 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1373 
1374 
1375 
1376 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1377 PETSC_STATIC_INLINE PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);}
1378 
1379 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1380 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1381 
1382 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1383 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1384 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1385 
1386 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1387 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1388 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1389 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1390 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1391 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1392 
1393 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1394 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1395 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1396 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1397 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1398 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1399 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1400 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1401 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1402 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1403 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1404 
1405 #define MP_PARTY_OPT "opt"
1406 #define MP_PARTY_LIN "lin"
1407 #define MP_PARTY_SCA "sca"
1408 #define MP_PARTY_RAN "ran"
1409 #define MP_PARTY_GBF "gbf"
1410 #define MP_PARTY_GCF "gcf"
1411 #define MP_PARTY_BUB "bub"
1412 #define MP_PARTY_DEF "def"
1413 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1414 #define MP_PARTY_HELPFUL_SETS "hs"
1415 #define MP_PARTY_KERNIGHAN_LIN "kl"
1416 #define MP_PARTY_NONE "no"
1417 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1418 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1419 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1420 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1421 
1422 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1423 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1424 
1425 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1426 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1427 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1428 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1429 
1430 /*
1431  * hierarchical partitioning
1432  */
1433 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1434 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1435 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1436 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1437 
1438 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1439 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1440 
1441 /*
1442     If you add entries here you must also add them to petsc/finclude/petscmat.h
1443 */
1444 typedef enum { MATOP_SET_VALUES=0,
1445                MATOP_GET_ROW=1,
1446                MATOP_RESTORE_ROW=2,
1447                MATOP_MULT=3,
1448                MATOP_MULT_ADD=4,
1449                MATOP_MULT_TRANSPOSE=5,
1450                MATOP_MULT_TRANSPOSE_ADD=6,
1451                MATOP_SOLVE=7,
1452                MATOP_SOLVE_ADD=8,
1453                MATOP_SOLVE_TRANSPOSE=9,
1454                MATOP_SOLVE_TRANSPOSE_ADD=10,
1455                MATOP_LUFACTOR=11,
1456                MATOP_CHOLESKYFACTOR=12,
1457                MATOP_SOR=13,
1458                MATOP_TRANSPOSE=14,
1459                MATOP_GETINFO=15,
1460                MATOP_EQUAL=16,
1461                MATOP_GET_DIAGONAL=17,
1462                MATOP_DIAGONAL_SCALE=18,
1463                MATOP_NORM=19,
1464                MATOP_ASSEMBLY_BEGIN=20,
1465                MATOP_ASSEMBLY_END=21,
1466                MATOP_SET_OPTION=22,
1467                MATOP_ZERO_ENTRIES=23,
1468                MATOP_ZERO_ROWS=24,
1469                MATOP_LUFACTOR_SYMBOLIC=25,
1470                MATOP_LUFACTOR_NUMERIC=26,
1471                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1472                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1473                MATOP_SETUP_PREALLOCATION=29,
1474                MATOP_ILUFACTOR_SYMBOLIC=30,
1475                MATOP_ICCFACTOR_SYMBOLIC=31,
1476                MATOP_GET_DIAGONAL_BLOCK=32,
1477                MATOP_FREE_INTER_STRUCT=33,
1478                MATOP_DUPLICATE=34,
1479                MATOP_FORWARD_SOLVE=35,
1480                MATOP_BACKWARD_SOLVE=36,
1481                MATOP_ILUFACTOR=37,
1482                MATOP_ICCFACTOR=38,
1483                MATOP_AXPY=39,
1484                MATOP_CREATE_SUBMATRICES=40,
1485                MATOP_INCREASE_OVERLAP=41,
1486                MATOP_GET_VALUES=42,
1487                MATOP_COPY=43,
1488                MATOP_GET_ROW_MAX=44,
1489                MATOP_SCALE=45,
1490                MATOP_SHIFT=46,
1491                MATOP_DIAGONAL_SET=47,
1492                MATOP_ZERO_ROWS_COLUMNS=48,
1493                MATOP_SET_RANDOM=49,
1494                MATOP_GET_ROW_IJ=50,
1495                MATOP_RESTORE_ROW_IJ=51,
1496                MATOP_GET_COLUMN_IJ=52,
1497                MATOP_RESTORE_COLUMN_IJ=53,
1498                MATOP_FDCOLORING_CREATE=54,
1499                MATOP_COLORING_PATCH=55,
1500                MATOP_SET_UNFACTORED=56,
1501                MATOP_PERMUTE=57,
1502                MATOP_SET_VALUES_BLOCKED=58,
1503                MATOP_CREATE_SUBMATRIX=59,
1504                MATOP_DESTROY=60,
1505                MATOP_VIEW=61,
1506                MATOP_CONVERT_FROM=62,
1507                MATOP_MATMAT_MULT=63,
1508                MATOP_MATMAT_MULT_SYMBOLIC=64,
1509                MATOP_MATMAT_MULT_NUMERIC=65,
1510                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1511                MATOP_SET_VALUES_LOCAL=67,
1512                MATOP_ZERO_ROWS_LOCAL=68,
1513                MATOP_GET_ROW_MAX_ABS=69,
1514                MATOP_GET_ROW_MIN_ABS=70,
1515                MATOP_CONVERT=71,
1516                MATOP_SET_COLORING=72,
1517                /* MATOP_PLACEHOLDER_73=73, */
1518                MATOP_SET_VALUES_ADIFOR=74,
1519                MATOP_FD_COLORING_APPLY=75,
1520                MATOP_SET_FROM_OPTIONS=76,
1521                MATOP_MULT_CONSTRAINED=77,
1522                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1523                MATOP_FIND_ZERO_DIAGONALS=79,
1524                MATOP_MULT_MULTIPLE=80,
1525                MATOP_SOLVE_MULTIPLE=81,
1526                MATOP_GET_INERTIA=82,
1527                MATOP_LOAD=83,
1528                MATOP_IS_SYMMETRIC=84,
1529                MATOP_IS_HERMITIAN=85,
1530                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1531                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1532                MATOP_CREATE_VECS=88,
1533                MATOP_MAT_MULT=89,
1534                MATOP_MAT_MULT_SYMBOLIC=90,
1535                MATOP_MAT_MULT_NUMERIC=91,
1536                MATOP_PTAP=92,
1537                MATOP_PTAP_SYMBOLIC=93,
1538                MATOP_PTAP_NUMERIC=94,
1539                MATOP_MAT_TRANSPOSE_MULT=95,
1540                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1541                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1542                /* MATOP_PLACEHOLDER_98=98, */
1543                /* MATOP_PLACEHOLDER_99=99, */
1544                /* MATOP_PLACEHOLDER_100=100, */
1545                /* MATOP_PLACEHOLDER_101=101, */
1546                MATOP_CONJUGATE=102,
1547                /* MATOP_PLACEHOLDER_103=103, */
1548                MATOP_SET_VALUES_ROW=104,
1549                MATOP_REAL_PART=105,
1550                MATOP_IMAGINARY_PART=106,
1551                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1552                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1553                MATOP_MAT_SOLVE=109,
1554                MATOP_MAT_SOLVE_TRANSPOSE=110,
1555                MATOP_GET_ROW_MIN=111,
1556                MATOP_GET_COLUMN_VECTOR=112,
1557                MATOP_MISSING_DIAGONAL=113,
1558                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1559                MATOP_CREATE=115,
1560                MATOP_GET_GHOSTS=116,
1561                MATOP_GET_LOCAL_SUB_MATRIX=117,
1562                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1563                MATOP_MULT_DIAGONAL_BLOCK=119,
1564                MATOP_HERMITIAN_TRANSPOSE=120,
1565                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1566                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1567                MATOP_GET_MULTI_PROC_BLOCK=123,
1568                MATOP_FIND_NONZERO_ROWS=124,
1569                MATOP_GET_COLUMN_NORMS=125,
1570                MATOP_INVERT_BLOCK_DIAGONAL=126,
1571                /* MATOP_PLACEHOLDER_127=127, */
1572                MATOP_CREATE_SUB_MATRICES_MPI=128,
1573                MATOP_SET_VALUES_BATCH=129,
1574                MATOP_TRANSPOSE_MAT_MULT=130,
1575                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1576                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1577                MATOP_TRANSPOSE_COLORING_CREAT=133,
1578                MATOP_TRANS_COLORING_APPLY_SPT=134,
1579                MATOP_TRANS_COLORING_APPLY_DEN=135,
1580                MATOP_RART=136,
1581                MATOP_RART_SYMBOLIC=137,
1582                MATOP_RART_NUMERIC=138,
1583                MATOP_SET_BLOCK_SIZES=139,
1584                MATOP_AYPX=140,
1585                MATOP_RESIDUAL=141,
1586                MATOP_FDCOLORING_SETUP=142,
1587                MATOP_MPICONCATENATESEQ=144,
1588                MATOP_DESTROYSUBMATRICES=145
1589              } MatOperation;
1590 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1591 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1592 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1593 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1594 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1595 
1596 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1597 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1598 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1599 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1600 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1601 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1602 
1603 /*
1604    Codes for matrices stored on disk. By default they are
1605    stored in a universal format. By changing the format with
1606    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1607    be stored in a way natural for the matrix, for example dense matrices
1608    would be stored as dense. Matrices stored this way may only be
1609    read into matrices of the same type.
1610 */
1611 #define MATRIX_BINARY_FORMAT_DENSE -1
1612 
1613 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1614 
1615 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1616 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1617 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1618 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1619 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1620 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1621 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1622 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1623 
1624 /*S
1625      MatNullSpace - Object that removes a null space from a vector, i.e.
1626          orthogonalizes the vector to a subsapce
1627 
1628    Level: advanced
1629 
1630   Concepts: matrix; linear operator, null space
1631 
1632   Users manual sections:
1633 .   sec_singular
1634 
1635 .seealso:  MatNullSpaceCreate()
1636 S*/
1637 typedef struct _p_MatNullSpace* MatNullSpace;
1638 
1639 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1640 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1641 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1642 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1643 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1644 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1645 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1646 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1647 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1648 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1649 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1650 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1651 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1652 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1653 
1654 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1655 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1656 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1657 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1658 
1659 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1660 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1661 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1662 
1663 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1664 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1665 
1666 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1667 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1668 
1669 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1670 
1671 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1672 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1673 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1674 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1675 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1676 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1677 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1678 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1679 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1680 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1681 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1682 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1683 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1684 
1685 /*S
1686     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1687               Jacobian vector products
1688 
1689     Notes:
1690     MATMFFD is a specific MatType which uses the MatMFFD data structure
1691 
1692            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1693 
1694     Level: developer
1695 
1696 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1697 S*/
1698 typedef struct _p_MatMFFD* MatMFFD;
1699 
1700 /*J
1701     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1702 
1703    Level: beginner
1704 
1705 .seealso: MatMFFDSetType(), MatMFFDRegister()
1706 J*/
1707 typedef const char* MatMFFDType;
1708 #define MATMFFD_DS  "ds"
1709 #define MATMFFD_WP  "wp"
1710 
1711 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1712 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1713 
1714 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1715 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1716 
1717 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1718 
1719 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1720 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1721 
1722 /*
1723    PETSc interface to MUMPS
1724 */
1725 #ifdef PETSC_HAVE_MUMPS
1726 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1727 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1728 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1729 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1730 
1731 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1732 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1733 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1734 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1735 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1736 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1737 #endif
1738 
1739 /*
1740    PETSc interface to Mkl_Pardiso
1741 */
1742 #ifdef PETSC_HAVE_MKL_PARDISO
1743 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1744 #endif
1745 
1746 /*
1747    PETSc interface to Mkl_CPardiso
1748 */
1749 #ifdef PETSC_HAVE_MKL_CPARDISO
1750 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1751 #endif
1752 
1753 /*
1754    PETSc interface to SUPERLU
1755 */
1756 #ifdef PETSC_HAVE_SUPERLU
1757 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1758 #endif
1759 
1760 /*
1761    PETSc interface to SUPERLU_DIST
1762 */
1763 #ifdef PETSC_HAVE_SUPERLU_DIST
1764 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1765 #endif
1766 
1767 /*
1768    PETSc interface to STRUMPACK
1769 */
1770 #ifdef PETSC_HAVE_STRUMPACK
1771 /*E
1772     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1773 
1774     Level: intermediate
1775 E*/
1776 typedef enum {MAT_STRUMPACK_NATURAL=0,
1777               MAT_STRUMPACK_METIS=1,
1778               MAT_STRUMPACK_PARMETIS=2,
1779               MAT_STRUMPACK_SCOTCH=3,
1780               MAT_STRUMPACK_PTSCOTCH=4,
1781               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1782 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1783 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1784 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1785 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1786 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1787 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1788 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1789 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1790 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1791 #endif
1792 
1793 
1794 PETSC_EXTERN PetscErrorCode MatPinToCPU(Mat,PetscBool);
1795 
1796 #ifdef PETSC_HAVE_CUDA
1797 /*E
1798     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1799     matrices.
1800 
1801     Not Collective
1802 
1803 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1804 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1805 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1806 
1807     Level: intermediate
1808 
1809    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1810 
1811 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1812 E*/
1813 
1814 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1815 
1816 /* these will be strings associated with enumerated type defined above */
1817 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1818 
1819 /*E
1820     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1821     matrices whose operation should use a particular storage format.
1822 
1823     Not Collective
1824 
1825 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1826 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1827 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1828 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1829 
1830     Level: intermediate
1831 
1832 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1833 E*/
1834 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1835 
1836 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1837 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1838 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1839 #endif
1840 
1841 #if defined(PETSC_HAVE_VIENNACL)
1842 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1843 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1844 #endif
1845 
1846 /*
1847    PETSc interface to FFTW
1848 */
1849 #if defined(PETSC_HAVE_FFTW)
1850 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1851 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1852 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1853 #endif
1854 
1855 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1856 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1857 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1858 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1859 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1860 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1861 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1862 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1863 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1864 
1865 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1866 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1867 
1868 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1869 
1870 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1871 
1872 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1873 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1874 
1875 #endif
1876