xref: /petsc/include/petscmat.h (revision 29b3c8a1c1d29fc05018f23f4f087a3ebe1dff6f)
1 /*
2      Include file for the matrix component of PETSc
3 */
4 #ifndef PETSCMAT_H
5 #define PETSCMAT_H
6 #include <petscvec.h>
7 
8 /*S
9      Mat - Abstract PETSc matrix object used to manage all linear operators in PETSc, even those without
10            an explicit sparse representation (such as matrix-free operators)
11 
12    Level: beginner
13 
14 .seealso:  MatCreate(), MatType, MatSetType(), MatDestroy()
15 S*/
16 typedef struct _p_Mat*           Mat;
17 
18 /*J
19     MatType - String with the name of a PETSc matrix type
20 
21    Level: beginner
22 
23 .seealso: MatSetType(), Mat, MatSolverType, MatRegister()
24 J*/
25 typedef const char* MatType;
26 #define MATSAME            "same"
27 #define MATMAIJ            "maij"
28 #define MATSEQMAIJ         "seqmaij"
29 #define MATMPIMAIJ         "mpimaij"
30 #define MATKAIJ            "kaij"
31 #define MATSEQKAIJ         "seqkaij"
32 #define MATMPIKAIJ         "mpikaij"
33 #define MATIS              "is"
34 #define MATAIJ             "aij"
35 #define MATSEQAIJ          "seqaij"
36 #define MATMPIAIJ          "mpiaij"
37 #define MATAIJCRL          "aijcrl"
38 #define MATSEQAIJCRL       "seqaijcrl"
39 #define MATMPIAIJCRL       "mpiaijcrl"
40 #define MATAIJCUSPARSE     "aijcusparse"
41 #define MATSEQAIJCUSPARSE  "seqaijcusparse"
42 #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
43 #define MATAIJVIENNACL     "aijviennacl"
44 #define MATSEQAIJVIENNACL  "seqaijviennacl"
45 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
46 #define MATAIJPERM         "aijperm"
47 #define MATSEQAIJPERM      "seqaijperm"
48 #define MATMPIAIJPERM      "mpiaijperm"
49 #define MATAIJSELL         "aijsell"
50 #define MATSEQAIJSELL      "seqaijsell"
51 #define MATMPIAIJSELL      "mpiaijsell"
52 #define MATAIJMKL          "aijmkl"
53 #define MATSEQAIJMKL       "seqaijmkl"
54 #define MATMPIAIJMKL       "mpiaijmkl"
55 #define MATBAIJMKL         "baijmkl"
56 #define MATSEQBAIJMKL      "seqbaijmkl"
57 #define MATMPIBAIJMKL      "mpibaijmkl"
58 #define MATSHELL           "shell"
59 #define MATDENSE           "dense"
60 #define MATSEQDENSE        "seqdense"
61 #define MATSEQDENSECUDA    "seqdensecuda"
62 #define MATMPIDENSE        "mpidense"
63 #define MATELEMENTAL       "elemental"
64 #define MATBAIJ            "baij"
65 #define MATSEQBAIJ         "seqbaij"
66 #define MATMPIBAIJ         "mpibaij"
67 #define MATMPIADJ          "mpiadj"
68 #define MATSBAIJ           "sbaij"
69 #define MATSEQSBAIJ        "seqsbaij"
70 #define MATMPISBAIJ        "mpisbaij"
71 #define MATDAAD            "daad"
72 #define MATMFFD            "mffd"
73 #define MATNORMAL          "normal"
74 #define MATNORMALHERMITIAN "normalh"
75 #define MATLRC             "lrc"
76 #define MATSCATTER         "scatter"
77 #define MATBLOCKMAT        "blockmat"
78 #define MATCOMPOSITE       "composite"
79 #define MATFFT             "fft"
80 #define MATFFTW            "fftw"
81 #define MATSEQCUFFT        "seqcufft"
82 #define MATTRANSPOSEMAT    "transpose"
83 #define MATSCHURCOMPLEMENT "schurcomplement"
84 #define MATPYTHON          "python"
85 #define MATHYPRE           "hypre"
86 #define MATHYPRESTRUCT     "hyprestruct"
87 #define MATHYPRESSTRUCT    "hypresstruct"
88 #define MATSUBMATRIX       "submatrix"
89 #define MATLOCALREF        "localref"
90 #define MATNEST            "nest"
91 #define MATPREALLOCATOR    "preallocator"
92 #define MATSELL            "sell"
93 #define MATSEQSELL         "seqsell"
94 #define MATMPISELL         "mpisell"
95 #define MATDUMMY           "dummy"
96 #define MATLMVM            "lmvm"
97 #define MATLMVMDFP         "lmvmdfp"
98 #define MATLMVMBFGS        "lmvmbfgs"
99 #define MATLMVMSR1         "lmvmsr1"
100 #define MATLMVMBRDN        "lmvmbrdn"
101 #define MATLMVMBADBRDN     "lmvmbadbrdn"
102 #define MATLMVMSYMBRDN     "lmvmsymbrdn"
103 #define MATLMVMSYMBADBRDN  "lmvmsymbadbrdn"
104 #define MATLMVMDIAGBRDN    "lmvmdiagbrdn"
105 #define MATCONSTANTDIAGONAL "constantdiagonal"
106 
107 /*J
108     MatSolverType - String with the name of a PETSc matrix solver type.
109 
110     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
111 
112    Level: beginner
113 
114 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
115 J*/
116 typedef const char* MatSolverType;
117 #define MATSOLVERSUPERLU          "superlu"
118 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
119 #define MATSOLVERSTRUMPACK        "strumpack"
120 #define MATSOLVERUMFPACK          "umfpack"
121 #define MATSOLVERCHOLMOD          "cholmod"
122 #define MATSOLVERKLU              "klu"
123 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
124 #define MATSOLVERELEMENTAL        "elemental"
125 #define MATSOLVERESSL             "essl"
126 #define MATSOLVERLUSOL            "lusol"
127 #define MATSOLVERMUMPS            "mumps"
128 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
129 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
130 #define MATSOLVERPASTIX           "pastix"
131 #define MATSOLVERMATLAB           "matlab"
132 #define MATSOLVERPETSC            "petsc"
133 #define MATSOLVERBAS              "bas"
134 #define MATSOLVERCUSPARSE         "cusparse"
135 #define MATSOLVERCUDA             "cuda"
136 
137 /*E
138     MatFactorType - indicates what type of factorization is requested
139 
140     Level: beginner
141 
142    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
143 
144 .seealso: MatSolverType, MatGetFactor()
145 E*/
146 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
147 PETSC_EXTERN const char *const MatFactorTypes[];
148 
149 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
150 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
151 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
152 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
153 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
154 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
155 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
156 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
157 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*))
158 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
159 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*))
160 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
161 
162 /* Logging support */
163 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
164 PETSC_EXTERN PetscClassId MAT_CLASSID;
165 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
166 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
167 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
168 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
169 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
170 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
171 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
172 
173 /*E
174     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
175      are to be reused to store the new matrix values.
176 
177 $  MAT_INITIAL_MATRIX - create a new matrix
178 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
179 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
180 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
181 
182     Level: beginner
183 
184    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
185 
186 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
187 E*/
188 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
189 
190 /*E
191     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
192      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
193 
194     Level: beginner
195 
196 .seealso: MatGetSeqNonzerostructure()
197 E*/
198 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
199 
200 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
201 
202 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
203 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
204 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
205 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
206 PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
207 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
208 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
209 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
210 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
211 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
212 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
213 
214 PETSC_EXTERN PetscFunctionList MatList;
215 PETSC_EXTERN PetscFunctionList MatColoringList;
216 PETSC_EXTERN PetscFunctionList MatPartitioningList;
217 
218 /*E
219     MatStructure - Indicates if two matrices have the same nonzero structure
220 
221     Level: beginner
222 
223    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
224 
225 .seealso: MatCopy(), MatAXPY()
226 E*/
227 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
228 
229 #if defined PETSC_HAVE_MKL_SPARSE
230 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
231 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
232 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
233 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
234 #endif
235 
236 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
237 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
238 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
239 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
240 
241 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
242 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
243 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
244 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
245 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
246 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
247 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
248 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
249 
250 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
251 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
252 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
253 
254 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
255 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
256 
257 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
258 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
259 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
260 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
261 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
262 
263 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
264 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
265 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
266 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
267 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
268 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
269 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
270 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
271 
272 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
273 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
274 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
275 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
276 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
277 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
278 typedef enum {MAT_COMPOSITE_MERGE_RIGHT,MAT_COMPOSITE_MERGE_LEFT} MatCompositeMergeType;
279 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat,MatCompositeMergeType);
280 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
281 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
282 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
283 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat,MatCompositeType*);
284 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat,MatStructure);
285 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat,MatStructure*);
286 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat,PetscInt*);
287 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
288 PETSC_EXTERN PetscErrorCode MatCompositeSetScalings(Mat,const PetscScalar*);
289 
290 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
291 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
292 
293 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
294 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
295 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
296 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
297 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
298 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
299 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
300 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar,Mat*);
301 
302 #if defined(PETSC_HAVE_HYPRE)
303 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
304 #endif
305 
306 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
307 
308 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
309 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
310 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
311 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
312 
313 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
314 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
315 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
316 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
317 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
318 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
319 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
320 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
321 
322 /* ------------------------------------------------------------*/
323 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
324 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
325 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
326 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
327 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
328 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
329 
330 /*S
331      MatStencil - Data structure (C struct) for storing information about a single row or
332         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
333 
334    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).
335    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.
336 
337    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
338 
339    Fortran usage is different, see MatSetValuesStencil() for details.
340 
341    Level: beginner
342 
343 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
344 S*/
345 typedef struct {
346   PetscInt k,j,i,c;
347 } MatStencil;
348 
349 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
350 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
351 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
352 
353 /*E
354     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
355      to continue to add or insert values to it
356 
357     Level: beginner
358 
359 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
360 E*/
361 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
362 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
363 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
364 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
365 
366 
367 
368 /*E
369     MatOption - Options that may be set for a matrix and its behavior or storage
370 
371     Level: beginner
372 
373    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
374    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
375 
376    Developer Notes:
377     Entries that are negative need not be called collectively by all processes.
378 
379 .seealso: MatSetOption()
380 E*/
381 typedef enum {MAT_OPTION_MIN = -3,
382               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
383               MAT_ROW_ORIENTED = -1,
384               MAT_SYMMETRIC = 1,
385               MAT_STRUCTURALLY_SYMMETRIC = 2,
386               MAT_NEW_DIAGONALS = 3,
387               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
388               MAT_USE_HASH_TABLE = 5,
389               MAT_KEEP_NONZERO_PATTERN = 6,
390               MAT_IGNORE_ZERO_ENTRIES = 7,
391               MAT_USE_INODES = 8,
392               MAT_HERMITIAN = 9,
393               MAT_SYMMETRY_ETERNAL = 10,
394               MAT_NEW_NONZERO_LOCATION_ERR = 11,
395               MAT_IGNORE_LOWER_TRIANGULAR = 12,
396               MAT_ERROR_LOWER_TRIANGULAR = 13,
397               MAT_GETROW_UPPERTRIANGULAR = 14,
398               MAT_SPD = 15,
399               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
400               MAT_NO_OFF_PROC_ENTRIES = 17,
401               MAT_NEW_NONZERO_LOCATIONS = 18,
402               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
403               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
404               MAT_SUBMAT_SINGLEIS = 21,
405               MAT_STRUCTURE_ONLY = 22,
406               MAT_SORTED_FULL = 23,
407               MAT_OPTION_MAX = 24} MatOption;
408 
409 PETSC_EXTERN const char *const *MatOptions;
410 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
411 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
412 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
413 
414 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
415 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
416 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
417 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
418 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
419 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
420 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
421 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
422 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
423 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
424 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
425 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
426 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
427 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
428 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
429 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
430 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
431 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
432 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
433 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
434 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
435 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
436 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
437 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
438 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
439 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
440 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
441 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
442 
443 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
444 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
445 
446 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
447 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
448 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
449 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
450 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
451 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
452 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
453 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
454 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
455 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
456 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
457 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
458 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
459 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
460 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
461 
462 /*E
463     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
464   its numerical values copied over or just its nonzero structure.
465 
466     Level: beginner
467 
468    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
469 
470 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
471 $                               with zeros for the numerical values.
472 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
473 $                               and with the same numerical values.
474 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
475 $                               and does not copy it, using zeros for the numerical values. The parent and
476 $                               child matrices will share their index (i and j) arrays, and you cannot
477 $                               insert new nonzero entries into either matrix.
478 
479 Notes:
480     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
481 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
482 
483 .seealso: MatDuplicate()
484 E*/
485 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
486 
487 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
488 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
489 
490 
491 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
492 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
493 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
494 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
495 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
496 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
497 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
498 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
499 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
500 
501 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
502 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
503 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
504 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
505 
506 /*S
507      MatInfo - Context of matrix information, used with MatGetInfo()
508 
509    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
510 
511    Level: intermediate
512 
513 .seealso:  MatGetInfo(), MatInfoType
514 S*/
515 typedef struct {
516   PetscLogDouble block_size;                         /* block size */
517   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
518   PetscLogDouble memory;                             /* memory allocated */
519   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
520   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
521   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
522   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
523 } MatInfo;
524 
525 /*E
526     MatInfoType - Indicates if you want information about the local part of the matrix,
527      the entire parallel matrix or the maximum over all the local parts.
528 
529     Level: beginner
530 
531    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
532 
533 .seealso: MatGetInfo(), MatInfo
534 E*/
535 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
536 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
537 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
538 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
539 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
540 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
541 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
542 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
543 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
544 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
545 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
546 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
547 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
548 
549 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
550 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
551 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
552 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
553 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
554 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
555 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
556 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
557 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
558 
559 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
560 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
561 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
562 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
563 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
564 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
565 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
566 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
567 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
568 
569 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
570 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
571 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
572 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
573 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
574 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
575 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
576 
577 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
578 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);}
579 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
580 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);}
581 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
582 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
583 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
584 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);}
585 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
586 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
587 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
588 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
589 
590 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
591 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
592 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
593 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
594 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
595 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
596 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
597 
598 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
599 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
600 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
601 
602 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
603 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
604 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
605 
606 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
607 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
608 
609 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
610 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
611 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
612 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
613 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
614 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
615 
616 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
617 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
618 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
619 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
620 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
621 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
622 
623 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
624 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
625 
626 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
627 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
628 
629 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
630 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
631 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
632 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
633 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
634 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
635 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
636 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
637 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
638 
639 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
640 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
641 
642 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
643 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
644 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
645 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
646 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);}
647 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
648 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
649 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
650 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
651 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
652 
653 /*MC
654    MatSetValue - Set a single entry into a matrix.
655 
656    Not collective
657 
658    Synopsis:
659      #include <petscmat.h>
660      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
661 
662    Input Parameters:
663 +  m - the matrix
664 .  row - the row location of the entry
665 .  col - the column location of the entry
666 .  value - the value to insert
667 -  mode - either INSERT_VALUES or ADD_VALUES
668 
669    Notes:
670    For efficiency one should use MatSetValues() and set several or many
671    values simultaneously if possible.
672 
673    Level: beginner
674 
675 .seealso: MatSetValues(), MatSetValueLocal()
676 M*/
677 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
678 
679 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
680 
681 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
682 
683 /*MC
684    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
685        row in a matrix providing the data that one can use to correctly preallocate the matrix.
686 
687    Synopsis:
688    #include <petscmat.h>
689    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
690 
691    Collective
692 
693    Input Parameters:
694 +  comm - the communicator that will share the eventually allocated matrix
695 .  nrows - the number of LOCAL rows in the matrix
696 -  ncols - the number of LOCAL columns in the matrix
697 
698    Output Parameters:
699 +  dnz - the array that will be passed to the matrix preallocation routines
700 -  onz - the other array passed to the matrix preallocation routines
701 
702    Level: intermediate
703 
704    Notes:
705     See Users-Manual: ch_performance for more details.
706 
707    Do not malloc or free dnz and onz, that is handled internally by these routines
708 
709    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
710 
711 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
712           MatPreallocateSymmetricSetLocalBlock()
713 M*/
714 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
715 do { \
716   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
717   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
718   __start = 0; __end = __start;                                         \
719   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
720   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; \
721   do { } while(0)
722 
723 /*MC
724    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
725        inserted using a local number of the rows and columns
726 
727    Synopsis:
728    #include <petscmat.h>
729    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
730 
731    Not Collective
732 
733    Input Parameters:
734 +  map - the row mapping from local numbering to global numbering
735 .  nrows - the number of rows indicated
736 .  rows - the indices of the rows
737 .  cmap - the column mapping from local to global numbering
738 .  ncols - the number of columns in the matrix
739 .  cols - the columns indicated
740 .  dnz - the array that will be passed to the matrix preallocation routines
741 -  onz - the other array passed to the matrix preallocation routines
742 
743    Level: intermediate
744 
745    Notes:
746     See Users-Manual: ch_performance for more details.
747 
748    Do not malloc or free dnz and onz, that is handled internally by these routines
749 
750 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
751           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
752 M*/
753 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
754 do {\
755   PetscInt __l;\
756   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
757   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
758   for (__l=0;__l<nrows;__l++) {\
759     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
760   }\
761  } while (0)
762 
763 /*MC
764    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
765        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
766 
767    Synopsis:
768    #include <petscmat.h>
769    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
770 
771    Not Collective
772 
773    Input Parameters:
774 +  map - the row mapping from local numbering to global numbering
775 .  nrows - the number of rows indicated
776 .  rows - the indices of the rows (these values are mapped to the global values)
777 .  cmap - the column mapping from local to global numbering
778 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
779 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
780 .  dnz - the array that will be passed to the matrix preallocation routines
781 -  onz - the other array passed to the matrix preallocation routines
782 
783    Level: intermediate
784 
785    Notes:
786     See Users-Manual: ch_performance for more details.
787 
788    Do not malloc or free dnz and onz, that is handled internally by these routines
789 
790 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
791           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
792 M*/
793 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
794 do {\
795   PetscInt __l;\
796   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
797   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
798   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
799   for (__l=0;__l<nrows;__l++) {\
800     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
801   }\
802  } while (0)
803 
804 /*MC
805    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
806        inserted using a local number of the rows and columns
807 
808    Synopsis:
809    #include <petscmat.h>
810    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
811 
812    Not Collective
813 
814    Input Parameters:
815 +  map - the row mapping from local numbering to global numbering
816 .  nrows - the number of rows indicated
817 .  rows - the indices of the rows
818 .  cmap - the column mapping from local to global numbering
819 .  ncols - the number of columns in the matrix
820 .  cols - the columns indicated
821 .  dnz - the array that will be passed to the matrix preallocation routines
822 -  onz - the other array passed to the matrix preallocation routines
823 
824    Level: intermediate
825 
826    Notes:
827     See Users-Manual: ch_performance for more details.
828 
829    Do not malloc or free dnz and onz, that is handled internally by these routines
830 
831 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
832           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
833 M*/
834 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
835 do {\
836   PetscInt __l;\
837   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
838   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
839   for (__l=0;__l<nrows;__l++) {\
840     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
841   }\
842 } while (0)
843 
844 /*MC
845    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
846        inserted using a local number of the rows and columns
847 
848    Synopsis:
849    #include <petscmat.h>
850    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
851 
852    Not Collective
853 
854    Input Parameters:
855 +  map - the mapping between local numbering and global numbering
856 .  nrows - the number of rows indicated
857 .  rows - the indices of the rows
858 .  ncols - the number of columns in the matrix
859 .  cols - the columns indicated
860 .  dnz - the array that will be passed to the matrix preallocation routines
861 -  onz - the other array passed to the matrix preallocation routines
862 
863    Level: intermediate
864 
865    Notes:
866     See Users-Manual: ch_performance for more details.
867 
868    Do not malloc or free dnz and onz that is handled internally by these routines
869 
870 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
871           MatPreallocateInitialize(),  MatPreallocateSetLocal()
872 M*/
873 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
874 do {\
875   PetscInt __l;\
876   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
877   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
878   for (__l=0;__l<nrows;__l++) {\
879     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
880   }\
881 } while (0)
882 
883 /*MC
884    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
885        inserted using a local number of the rows and columns
886 
887    Synopsis:
888    #include <petscmat.h>
889    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
890 
891    Not Collective
892 
893    Input Parameters:
894 +  row - the row
895 .  ncols - the number of columns in the matrix
896 -  cols - the columns indicated
897 
898    Output Parameters:
899 +  dnz - the array that will be passed to the matrix preallocation routines
900 -  onz - the other array passed to the matrix preallocation routines
901 
902    Level: intermediate
903 
904    Notes:
905     See Users-Manual: ch_performance for more details.
906 
907    Do not malloc or free dnz and onz that is handled internally by these routines
908 
909    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
910 
911 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
912           MatPreallocateInitialize(), MatPreallocateSetLocal()
913 M*/
914 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
915 do { PetscInt __i; \
916   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);\
917   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);\
918   for (__i=0; __i<nc; __i++) {\
919     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
920     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
921   }\
922 } while (0)
923 
924 /*MC
925    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
926        inserted using a local number of the rows and columns
927 
928    Synopsis:
929    #include <petscmat.h>
930    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
931 
932    Not Collective
933 
934    Input Parameters:
935 +  nrows - the number of rows indicated
936 .  rows - the indices of the rows
937 .  ncols - the number of columns in the matrix
938 .  cols - the columns indicated
939 .  dnz - the array that will be passed to the matrix preallocation routines
940 -  onz - the other array passed to the matrix preallocation routines
941 
942    Level: intermediate
943 
944    Notes:
945     See Users-Manual: ch_performance for more details.
946 
947    Do not malloc or free dnz and onz that is handled internally by these routines
948 
949    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
950 
951 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
952           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
953 M*/
954 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
955 do { PetscInt __i; \
956   for (__i=0; __i<nc; __i++) {\
957     if (cols[__i] >= __end) onz[row - __rstart]++; \
958     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
959   }\
960 } while (0)
961 
962 /*MC
963    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
964 
965    Synopsis:
966    #include <petscmat.h>
967    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
968 
969    Not Collective
970 
971    Input Parameters:
972 +  A - matrix
973 .  row - row where values exist (must be local to this process)
974 .  ncols - number of columns
975 .  cols - columns with nonzeros
976 .  dnz - the array that will be passed to the matrix preallocation routines
977 -  onz - the other array passed to the matrix preallocation routines
978 
979    Level: intermediate
980 
981    Notes:
982     See Users-Manual: ch_performance for more details.
983 
984    Do not malloc or free dnz and onz that is handled internally by these routines
985 
986    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
987 
988 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
989           MatPreallocateSymmetricSetLocalBlock()
990 M*/
991 #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0; do {if (A) {ierr = MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);CHKERRQ(ierr);} else {ierr =  MatPreallocateSet(row,ncols,cols,dnz,onz);CHKERRQ(ierr);}} while(0)
992 
993 
994 /*MC
995    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
996        row in a matrix providing the data that one can use to correctly preallocate the matrix.
997 
998    Synopsis:
999    #include <petscmat.h>
1000    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
1001 
1002    Collective
1003 
1004    Input Parameters:
1005 +  dnz - the array that was be passed to the matrix preallocation routines
1006 -  onz - the other array passed to the matrix preallocation routines
1007 
1008    Level: intermediate
1009 
1010    Notes:
1011     See Users-Manual: ch_performance for more details.
1012 
1013    Do not malloc or free dnz and onz that is handled internally by these routines
1014 
1015    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1016 
1017 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1018           MatPreallocateSymmetricSetLocalBlock()
1019 M*/
1020 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while(0)
1021 
1022 /* Routines unique to particular data structures */
1023 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1024 
1025 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1026 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1027 
1028 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1029 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1030 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1031 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1032 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1033 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1034 
1035 #define MAT_SKIP_ALLOCATION -4
1036 
1037 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1038 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1039 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1040 
1041 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1042 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1043 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1044 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1045 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1046 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1047 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1048 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1049 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1050 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1051 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1052 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1053 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1054 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1055 
1056 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1057 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1058 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1059 
1060 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1061 
1062 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1063 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1064 
1065 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1066 
1067 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1068 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1069 /*
1070   These routines are not usually accessed directly, rather solving is
1071   done through the KSP and PC interfaces.
1072 */
1073 
1074 /*J
1075     MatOrderingType - String with the name of a PETSc matrix ordering
1076 
1077    Level: beginner
1078 
1079 .seealso: MatGetOrdering()
1080 J*/
1081 typedef const char* MatOrderingType;
1082 #define MATORDERINGNATURAL     "natural"
1083 #define MATORDERINGND          "nd"
1084 #define MATORDERING1WD         "1wd"
1085 #define MATORDERINGRCM         "rcm"
1086 #define MATORDERINGQMD         "qmd"
1087 #define MATORDERINGROWLENGTH   "rowlength"
1088 #define MATORDERINGWBM         "wbm"
1089 #define MATORDERINGSPECTRAL    "spectral"
1090 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1091 
1092 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1093 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1094 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1095 PETSC_EXTERN PetscFunctionList MatOrderingList;
1096 
1097 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1098 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1099 
1100 /*S
1101     MatFactorShiftType - Numeric Shift.
1102 
1103    Level: beginner
1104 
1105 S*/
1106 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1107 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1108 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1109 
1110 /*S
1111     MatFactorError - indicates what type of error in matrix factor
1112 
1113     Level: beginner
1114 
1115     Developer Notes:
1116     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1117 
1118 .seealso: MatGetFactor()
1119 S*/
1120 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1121 
1122 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1123 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1124 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1125 
1126 /*S
1127    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1128 
1129    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1130 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1131 
1132    Notes:
1133     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1134 
1135       You can use MatFactorInfoInitialize() to set default values.
1136 
1137    Level: developer
1138 
1139 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1140           MatFactorInfoInitialize()
1141 
1142 S*/
1143 typedef struct {
1144   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1145   PetscReal     usedt;
1146   PetscReal     dt;             /* drop tolerance */
1147   PetscReal     dtcol;          /* tolerance for pivoting */
1148   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1149   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1150   PetscReal     levels;         /* ICC/ILU(levels) */
1151   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1152                                    factorization may be faster if do not pivot */
1153   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1154   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1155   PetscReal     shiftamount;     /* how large the shift is */
1156 } MatFactorInfo;
1157 
1158 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1159 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1160 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1161 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1162 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1163 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1164 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1165 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1166 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1167 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1168 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1169 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1170 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1171 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1172 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1173 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1174 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1175 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1176 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1177 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1178 
1179 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1180 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1181 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1182 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1183 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1184 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1185 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1186 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1187 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1188 
1189 /*E
1190     MatSORType - What type of (S)SOR to perform
1191 
1192     Level: beginner
1193 
1194    May be bitwise ORd together
1195 
1196    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1197 
1198    MatSORType may be bitwise ORd together, so do not change the numbers
1199 
1200 .seealso: MatSOR()
1201 E*/
1202 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1203               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1204               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1205               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1206 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1207 
1208 /*
1209     These routines are for efficiently computing Jacobians via finite differences.
1210 */
1211 
1212 /*S
1213      MatColoring - Object for managing the coloring of matrices.
1214 
1215    Level: beginner
1216 
1217 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1218 S*/
1219 typedef struct _p_MatColoring* MatColoring;
1220 /*J
1221     MatColoringType - String with the name of a PETSc matrix coloring
1222 
1223    Level: beginner
1224 
1225 .seealso: MatColoringSetType(), MatColoring
1226 J*/
1227 
1228 typedef const  char*           MatColoringType;
1229 #define MATCOLORINGJP      "jp"
1230 #define MATCOLORINGPOWER   "power"
1231 #define MATCOLORINGNATURAL "natural"
1232 #define MATCOLORINGSL      "sl"
1233 #define MATCOLORINGLF      "lf"
1234 #define MATCOLORINGID      "id"
1235 #define MATCOLORINGGREEDY  "greedy"
1236 
1237 /*E
1238    MatColoringWeightType - Type of weight scheme
1239 
1240     Not Collective
1241 
1242 +   MAT_COLORING_RANDOM  - Random weights
1243 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1244 -   MAT_COLORING_LF      - Last-first weighting.
1245 
1246     Level: intermediate
1247 
1248    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1249 E*/
1250 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1251 
1252 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1253 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1254 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1255 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1256 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1257 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1258 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1259 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1260 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1261 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1262 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1263 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1264 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1265 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1266 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1267 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1268 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1269 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1270 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1271 
1272 /*S
1273      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1274         and coloring
1275 
1276    Level: beginner
1277 
1278 .seealso:  MatFDColoringCreate()
1279 S*/
1280 typedef struct _p_MatFDColoring* MatFDColoring;
1281 
1282 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1283 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1284 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1285 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1286 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1287 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1288 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1289 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1290 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1291 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1292 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1293 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1294 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat,MatFDColoring,const PetscScalar*);
1295 
1296 /*S
1297      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1298 
1299    Level: beginner
1300 
1301 .seealso:  MatTransposeColoringCreate()
1302 S*/
1303 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1304 
1305 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1306 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1307 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1308 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1309 
1310 /*
1311     These routines are for partitioning matrices: currently used only
1312   for adjacency matrix, MatCreateMPIAdj().
1313 */
1314 
1315 /*S
1316      MatPartitioning - Object for managing the partitioning of a matrix or graph
1317 
1318    Level: beginner
1319 
1320 .seealso:  MatPartitioningCreate(), MatPartitioningType
1321 S*/
1322 typedef struct _p_MatPartitioning* MatPartitioning;
1323 
1324 /*J
1325     MatPartitioningType - String with the name of a PETSc matrix partitioning
1326 
1327    Level: beginner
1328 dm
1329 .seealso: MatPartitioningCreate(), MatPartitioning
1330 J*/
1331 typedef const char* MatPartitioningType;
1332 #define MATPARTITIONINGCURRENT  "current"
1333 #define MATPARTITIONINGAVERAGE   "average"
1334 #define MATPARTITIONINGSQUARE   "square"
1335 #define MATPARTITIONINGPARMETIS "parmetis"
1336 #define MATPARTITIONINGCHACO    "chaco"
1337 #define MATPARTITIONINGPARTY    "party"
1338 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1339 #define MATPARTITIONINGHIERARCH  "hierarch"
1340 
1341 
1342 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1343 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1344 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1345 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1346 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1347 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1348 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1349 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1350 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1351 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1352 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1353 
1354 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1355 
1356 
1357 
1358 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1359 PETSC_STATIC_INLINE PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning A,PetscObject B,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,B,name);}
1360 
1361 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1362 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1363 
1364 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1365 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1366 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1367 
1368 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1369 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1370 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1371 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1372 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1373 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1374 
1375 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1376 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1377 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1378 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1379 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1380 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1381 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1382 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1383 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1384 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1385 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1386 
1387 #define MP_PARTY_OPT "opt"
1388 #define MP_PARTY_LIN "lin"
1389 #define MP_PARTY_SCA "sca"
1390 #define MP_PARTY_RAN "ran"
1391 #define MP_PARTY_GBF "gbf"
1392 #define MP_PARTY_GCF "gcf"
1393 #define MP_PARTY_BUB "bub"
1394 #define MP_PARTY_DEF "def"
1395 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1396 #define MP_PARTY_HELPFUL_SETS "hs"
1397 #define MP_PARTY_KERNIGHAN_LIN "kl"
1398 #define MP_PARTY_NONE "no"
1399 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1400 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1401 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1402 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1403 
1404 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1405 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1406 
1407 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1408 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1409 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1410 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1411 
1412 /*
1413  * hierarchical partitioning
1414  */
1415 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1416 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1417 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1418 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1419 
1420 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1421 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1422 
1423 /*
1424     If you add entries here you must also add them to petsc/finclude/petscmat.h
1425 */
1426 typedef enum { MATOP_SET_VALUES=0,
1427                MATOP_GET_ROW=1,
1428                MATOP_RESTORE_ROW=2,
1429                MATOP_MULT=3,
1430                MATOP_MULT_ADD=4,
1431                MATOP_MULT_TRANSPOSE=5,
1432                MATOP_MULT_TRANSPOSE_ADD=6,
1433                MATOP_SOLVE=7,
1434                MATOP_SOLVE_ADD=8,
1435                MATOP_SOLVE_TRANSPOSE=9,
1436                MATOP_SOLVE_TRANSPOSE_ADD=10,
1437                MATOP_LUFACTOR=11,
1438                MATOP_CHOLESKYFACTOR=12,
1439                MATOP_SOR=13,
1440                MATOP_TRANSPOSE=14,
1441                MATOP_GETINFO=15,
1442                MATOP_EQUAL=16,
1443                MATOP_GET_DIAGONAL=17,
1444                MATOP_DIAGONAL_SCALE=18,
1445                MATOP_NORM=19,
1446                MATOP_ASSEMBLY_BEGIN=20,
1447                MATOP_ASSEMBLY_END=21,
1448                MATOP_SET_OPTION=22,
1449                MATOP_ZERO_ENTRIES=23,
1450                MATOP_ZERO_ROWS=24,
1451                MATOP_LUFACTOR_SYMBOLIC=25,
1452                MATOP_LUFACTOR_NUMERIC=26,
1453                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1454                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1455                MATOP_SETUP_PREALLOCATION=29,
1456                MATOP_ILUFACTOR_SYMBOLIC=30,
1457                MATOP_ICCFACTOR_SYMBOLIC=31,
1458                MATOP_GET_DIAGONAL_BLOCK=32,
1459                MATOP_FREE_INTER_STRUCT=33,
1460                MATOP_DUPLICATE=34,
1461                MATOP_FORWARD_SOLVE=35,
1462                MATOP_BACKWARD_SOLVE=36,
1463                MATOP_ILUFACTOR=37,
1464                MATOP_ICCFACTOR=38,
1465                MATOP_AXPY=39,
1466                MATOP_CREATE_SUBMATRICES=40,
1467                MATOP_INCREASE_OVERLAP=41,
1468                MATOP_GET_VALUES=42,
1469                MATOP_COPY=43,
1470                MATOP_GET_ROW_MAX=44,
1471                MATOP_SCALE=45,
1472                MATOP_SHIFT=46,
1473                MATOP_DIAGONAL_SET=47,
1474                MATOP_ZERO_ROWS_COLUMNS=48,
1475                MATOP_SET_RANDOM=49,
1476                MATOP_GET_ROW_IJ=50,
1477                MATOP_RESTORE_ROW_IJ=51,
1478                MATOP_GET_COLUMN_IJ=52,
1479                MATOP_RESTORE_COLUMN_IJ=53,
1480                MATOP_FDCOLORING_CREATE=54,
1481                MATOP_COLORING_PATCH=55,
1482                MATOP_SET_UNFACTORED=56,
1483                MATOP_PERMUTE=57,
1484                MATOP_SET_VALUES_BLOCKED=58,
1485                MATOP_CREATE_SUBMATRIX=59,
1486                MATOP_DESTROY=60,
1487                MATOP_VIEW=61,
1488                MATOP_CONVERT_FROM=62,
1489                MATOP_MATMAT_MULT=63,
1490                MATOP_MATMAT_MULT_SYMBOLIC=64,
1491                MATOP_MATMAT_MULT_NUMERIC=65,
1492                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1493                MATOP_SET_VALUES_LOCAL=67,
1494                MATOP_ZERO_ROWS_LOCAL=68,
1495                MATOP_GET_ROW_MAX_ABS=69,
1496                MATOP_GET_ROW_MIN_ABS=70,
1497                MATOP_CONVERT=71,
1498                MATOP_SET_COLORING=72,
1499                /* MATOP_PLACEHOLDER_73=73, */
1500                MATOP_SET_VALUES_ADIFOR=74,
1501                MATOP_FD_COLORING_APPLY=75,
1502                MATOP_SET_FROM_OPTIONS=76,
1503                MATOP_MULT_CONSTRAINED=77,
1504                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1505                MATOP_FIND_ZERO_DIAGONALS=79,
1506                MATOP_MULT_MULTIPLE=80,
1507                MATOP_SOLVE_MULTIPLE=81,
1508                MATOP_GET_INERTIA=82,
1509                MATOP_LOAD=83,
1510                MATOP_IS_SYMMETRIC=84,
1511                MATOP_IS_HERMITIAN=85,
1512                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1513                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1514                MATOP_CREATE_VECS=88,
1515                MATOP_MAT_MULT=89,
1516                MATOP_MAT_MULT_SYMBOLIC=90,
1517                MATOP_MAT_MULT_NUMERIC=91,
1518                MATOP_PTAP=92,
1519                MATOP_PTAP_SYMBOLIC=93,
1520                MATOP_PTAP_NUMERIC=94,
1521                MATOP_MAT_TRANSPOSE_MULT=95,
1522                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1523                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1524                /* MATOP_PLACEHOLDER_98=98, */
1525                /* MATOP_PLACEHOLDER_99=99, */
1526                /* MATOP_PLACEHOLDER_100=100, */
1527                /* MATOP_PLACEHOLDER_101=101, */
1528                MATOP_CONJUGATE=102,
1529                /* MATOP_PLACEHOLDER_103=103, */
1530                MATOP_SET_VALUES_ROW=104,
1531                MATOP_REAL_PART=105,
1532                MATOP_IMAGINARY_PART=106,
1533                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1534                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1535                MATOP_MAT_SOLVE=109,
1536                MATOP_MAT_SOLVE_TRANSPOSE=110,
1537                MATOP_GET_ROW_MIN=111,
1538                MATOP_GET_COLUMN_VECTOR=112,
1539                MATOP_MISSING_DIAGONAL=113,
1540                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1541                MATOP_CREATE=115,
1542                MATOP_GET_GHOSTS=116,
1543                MATOP_GET_LOCAL_SUB_MATRIX=117,
1544                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1545                MATOP_MULT_DIAGONAL_BLOCK=119,
1546                MATOP_HERMITIAN_TRANSPOSE=120,
1547                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1548                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1549                MATOP_GET_MULTI_PROC_BLOCK=123,
1550                MATOP_FIND_NONZERO_ROWS=124,
1551                MATOP_GET_COLUMN_NORMS=125,
1552                MATOP_INVERT_BLOCK_DIAGONAL=126,
1553                /* MATOP_PLACEHOLDER_127=127, */
1554                MATOP_CREATE_SUB_MATRICES_MPI=128,
1555                MATOP_SET_VALUES_BATCH=129,
1556                MATOP_TRANSPOSE_MAT_MULT=130,
1557                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1558                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1559                MATOP_TRANSPOSE_COLORING_CREAT=133,
1560                MATOP_TRANS_COLORING_APPLY_SPT=134,
1561                MATOP_TRANS_COLORING_APPLY_DEN=135,
1562                MATOP_RART=136,
1563                MATOP_RART_SYMBOLIC=137,
1564                MATOP_RART_NUMERIC=138,
1565                MATOP_SET_BLOCK_SIZES=139,
1566                MATOP_AYPX=140,
1567                MATOP_RESIDUAL=141,
1568                MATOP_FDCOLORING_SETUP=142,
1569                MATOP_MPICONCATENATESEQ=144,
1570                MATOP_DESTROYSUBMATRICES=145
1571              } MatOperation;
1572 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1573 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1574 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1575 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1576 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1577 
1578 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1579 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1580 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1581 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1582 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1583 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1584 
1585 /*
1586    Codes for matrices stored on disk. By default they are
1587    stored in a universal format. By changing the format with
1588    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1589    be stored in a way natural for the matrix, for example dense matrices
1590    would be stored as dense. Matrices stored this way may only be
1591    read into matrices of the same type.
1592 */
1593 #define MATRIX_BINARY_FORMAT_DENSE -1
1594 
1595 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1596 
1597 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1598 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1599 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1600 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1601 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1602 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1603 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1604 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1605 
1606 /*S
1607      MatNullSpace - Object that removes a null space from a vector, i.e.
1608          orthogonalizes the vector to a subsapce
1609 
1610    Level: advanced
1611 
1612   Users manual sections:
1613 .   sec_singular
1614 
1615 .seealso:  MatNullSpaceCreate()
1616 S*/
1617 typedef struct _p_MatNullSpace* MatNullSpace;
1618 
1619 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1620 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1621 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1622 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1623 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1624 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1625 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1626 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1627 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1628 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1629 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1630 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1631 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1632 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1633 
1634 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1635 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1636 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1637 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1638 
1639 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1640 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1641 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1642 
1643 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1644 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1645 
1646 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1647 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1648 
1649 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat,PetscInt,PetscInt,const PetscScalar[],const PetscScalar[],Mat*);
1650 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat,Mat*);
1651 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat,PetscInt*,PetscInt*,PetscScalar**);
1652 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1653 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat,PetscScalar**);
1654 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat,const PetscScalar**);
1655 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat,PetscInt*,PetscInt*,PetscScalar**);
1656 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1657 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat,PetscScalar**);
1658 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat,const PetscScalar**);
1659 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat,Mat);
1660 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat,PetscInt,PetscInt,const PetscScalar []);
1661 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat,PetscInt,PetscInt,const PetscScalar []);
1662 
1663 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1664 
1665 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1666 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1667 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1668 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1669 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1670 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1671 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1672 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1673 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1674 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1675 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1676 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1677 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1678 
1679 /*S
1680     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1681               Jacobian vector products
1682 
1683     Notes:
1684     MATMFFD is a specific MatType which uses the MatMFFD data structure
1685 
1686            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1687 
1688     Level: developer
1689 
1690 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1691 S*/
1692 typedef struct _p_MatMFFD* MatMFFD;
1693 
1694 /*J
1695     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1696 
1697    Level: beginner
1698 
1699 .seealso: MatMFFDSetType(), MatMFFDRegister()
1700 J*/
1701 typedef const char* MatMFFDType;
1702 #define MATMFFD_DS  "ds"
1703 #define MATMFFD_WP  "wp"
1704 
1705 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1706 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1707 
1708 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1709 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1710 
1711 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1712 
1713 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1714 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1715 
1716 /*
1717    PETSc interface to MUMPS
1718 */
1719 #ifdef PETSC_HAVE_MUMPS
1720 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1721 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1722 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1723 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1724 
1725 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1726 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1727 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1728 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1729 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1730 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1731 #endif
1732 
1733 /*
1734    PETSc interface to Mkl_Pardiso
1735 */
1736 #ifdef PETSC_HAVE_MKL_PARDISO
1737 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1738 #endif
1739 
1740 /*
1741    PETSc interface to Mkl_CPardiso
1742 */
1743 #ifdef PETSC_HAVE_MKL_CPARDISO
1744 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1745 #endif
1746 
1747 /*
1748    PETSc interface to SUPERLU
1749 */
1750 #ifdef PETSC_HAVE_SUPERLU
1751 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1752 #endif
1753 
1754 /*
1755    PETSc interface to SUPERLU_DIST
1756 */
1757 #ifdef PETSC_HAVE_SUPERLU_DIST
1758 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1759 #endif
1760 
1761 /*
1762    PETSc interface to STRUMPACK
1763 */
1764 #ifdef PETSC_HAVE_STRUMPACK
1765 /*E
1766     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1767 
1768     Level: intermediate
1769 E*/
1770 typedef enum {MAT_STRUMPACK_NATURAL=0,
1771               MAT_STRUMPACK_METIS=1,
1772               MAT_STRUMPACK_PARMETIS=2,
1773               MAT_STRUMPACK_SCOTCH=3,
1774               MAT_STRUMPACK_PTSCOTCH=4,
1775               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1776 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1777 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1778 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1779 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1780 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1781 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1782 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1783 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1784 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1785 #endif
1786 
1787 
1788 PETSC_EXTERN PetscErrorCode MatPinToCPU(Mat,PetscBool);
1789 
1790 #ifdef PETSC_HAVE_CUDA
1791 /*E
1792     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1793     matrices.
1794 
1795     Not Collective
1796 
1797 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1798 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1799 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1800 
1801     Level: intermediate
1802 
1803    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1804 
1805 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1806 E*/
1807 
1808 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1809 
1810 /* these will be strings associated with enumerated type defined above */
1811 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1812 
1813 /*E
1814     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1815     matrices whose operation should use a particular storage format.
1816 
1817     Not Collective
1818 
1819 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1820 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1821 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1822 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1823 
1824     Level: intermediate
1825 
1826 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1827 E*/
1828 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1829 
1830 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1831 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1832 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1833 #endif
1834 
1835 #if defined(PETSC_HAVE_VIENNACL)
1836 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1837 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1838 #endif
1839 
1840 /*
1841    PETSc interface to FFTW
1842 */
1843 #if defined(PETSC_HAVE_FFTW)
1844 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1845 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1846 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1847 #endif
1848 
1849 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1850 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1851 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1852 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1853 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1854 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1855 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1856 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1857 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1858 
1859 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1860 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1861 
1862 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1863 
1864 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1865 
1866 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1867 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1868 
1869 #endif
1870