xref: /petsc/include/petscmat.h (revision 203a8786a33c3e4e033bac3ac4db6d2ca3bac443)
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    Notes:  MATSOLVERUMFPACK, MATSOLVERCHOLMOD, MATSOLVERKLU form the SuiteSparse package for which you can use --download-suitesparse
115 
116 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
117 J*/
118 typedef const char* MatSolverType;
119 #define MATSOLVERSUPERLU          "superlu"
120 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
121 #define MATSOLVERSTRUMPACK        "strumpack"
122 #define MATSOLVERUMFPACK          "umfpack"
123 #define MATSOLVERCHOLMOD          "cholmod"
124 #define MATSOLVERKLU              "klu"
125 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
126 #define MATSOLVERELEMENTAL        "elemental"
127 #define MATSOLVERESSL             "essl"
128 #define MATSOLVERLUSOL            "lusol"
129 #define MATSOLVERMUMPS            "mumps"
130 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
131 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
132 #define MATSOLVERPASTIX           "pastix"
133 #define MATSOLVERMATLAB           "matlab"
134 #define MATSOLVERPETSC            "petsc"
135 #define MATSOLVERBAS              "bas"
136 #define MATSOLVERCUSPARSE         "cusparse"
137 #define MATSOLVERCUDA             "cuda"
138 
139 /*E
140     MatFactorType - indicates what type of factorization is requested
141 
142     Level: beginner
143 
144    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
145 
146 .seealso: MatSolverType, MatGetFactor()
147 E*/
148 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
149 PETSC_EXTERN const char *const MatFactorTypes[];
150 
151 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
152 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
153 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
154 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
155 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
156 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
157 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
158 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
159 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*))
160 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
161 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*))
162 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
163 
164 /* Logging support */
165 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
166 PETSC_EXTERN PetscClassId MAT_CLASSID;
167 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
168 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
169 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
170 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
171 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
172 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
173 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
174 
175 /*E
176     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
177      are to be reused to store the new matrix values.
178 
179 $  MAT_INITIAL_MATRIX - create a new matrix
180 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
181 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
182 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
183 
184     Level: beginner
185 
186    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
187 
188 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
189 E*/
190 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
191 
192 /*E
193     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
194      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
195 
196     Level: beginner
197 
198 .seealso: MatGetSeqNonzerostructure()
199 E*/
200 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
201 
202 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
203 
204 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
205 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
206 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
207 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
208 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat,PetscObject,const char[]);
209 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
210 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
211 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
212 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
213 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
214 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
215 
216 PETSC_EXTERN PetscFunctionList MatList;
217 PETSC_EXTERN PetscFunctionList MatColoringList;
218 PETSC_EXTERN PetscFunctionList MatPartitioningList;
219 
220 /*E
221     MatStructure - Indicates if two matrices have the same nonzero structure
222 
223     Level: beginner
224 
225    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
226 
227 .seealso: MatCopy(), MatAXPY()
228 E*/
229 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
230 
231 #if defined PETSC_HAVE_MKL_SPARSE
232 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
233 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
234 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
235 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
236 #endif
237 
238 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
239 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
240 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
241 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
242 
243 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
244 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
245 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
246 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
247 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
248 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
249 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
250 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
251 
252 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
253 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
254 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
255 
256 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
257 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
258 
259 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
260 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
261 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
262 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
263 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
264 
265 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
266 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
267 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
268 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
269 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
270 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
271 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
272 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
273 
274 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
275 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
276 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
277 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
278 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
279 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
280 typedef enum {MAT_COMPOSITE_MERGE_RIGHT,MAT_COMPOSITE_MERGE_LEFT} MatCompositeMergeType;
281 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat,MatCompositeMergeType);
282 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
283 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
284 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
285 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat,MatCompositeType*);
286 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat,MatStructure);
287 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat,MatStructure*);
288 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat,PetscInt*);
289 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
290 PETSC_EXTERN PetscErrorCode MatCompositeSetScalings(Mat,const PetscScalar*);
291 
292 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
293 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
294 
295 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
296 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
297 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
298 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
299 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
300 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
301 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
302 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar,Mat*);
303 
304 #if defined(PETSC_HAVE_HYPRE)
305 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
306 #endif
307 
308 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
309 
310 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
311 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
312 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
313 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
314 
315 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
316 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
317 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
318 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
319 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
320 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
321 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
322 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
323 
324 /* ------------------------------------------------------------*/
325 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
326 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
327 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
328 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
329 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
330 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
331 
332 /*S
333      MatStencil - Data structure (C struct) for storing information about a single row or
334         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
335 
336    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).
337    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.
338 
339    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
340 
341    Fortran usage is different, see MatSetValuesStencil() for details.
342 
343    Level: beginner
344 
345 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
346 S*/
347 typedef struct {
348   PetscInt k,j,i,c;
349 } MatStencil;
350 
351 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
352 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
353 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
354 
355 /*E
356     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
357      to continue to add or insert values to it
358 
359     Level: beginner
360 
361 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
362 E*/
363 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
364 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
365 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
366 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
367 
368 
369 
370 /*E
371     MatOption - Options that may be set for a matrix and its behavior or storage
372 
373     Level: beginner
374 
375    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
376    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
377 
378    Developer Notes:
379     Entries that are negative need not be called collectively by all processes.
380 
381 .seealso: MatSetOption()
382 E*/
383 typedef enum {MAT_OPTION_MIN = -3,
384               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
385               MAT_ROW_ORIENTED = -1,
386               MAT_SYMMETRIC = 1,
387               MAT_STRUCTURALLY_SYMMETRIC = 2,
388               MAT_NEW_DIAGONALS = 3,
389               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
390               MAT_USE_HASH_TABLE = 5,
391               MAT_KEEP_NONZERO_PATTERN = 6,
392               MAT_IGNORE_ZERO_ENTRIES = 7,
393               MAT_USE_INODES = 8,
394               MAT_HERMITIAN = 9,
395               MAT_SYMMETRY_ETERNAL = 10,
396               MAT_NEW_NONZERO_LOCATION_ERR = 11,
397               MAT_IGNORE_LOWER_TRIANGULAR = 12,
398               MAT_ERROR_LOWER_TRIANGULAR = 13,
399               MAT_GETROW_UPPERTRIANGULAR = 14,
400               MAT_SPD = 15,
401               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
402               MAT_NO_OFF_PROC_ENTRIES = 17,
403               MAT_NEW_NONZERO_LOCATIONS = 18,
404               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
405               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
406               MAT_SUBMAT_SINGLEIS = 21,
407               MAT_STRUCTURE_ONLY = 22,
408               MAT_SORTED_FULL = 23,
409               MAT_OPTION_MAX = 24} MatOption;
410 
411 PETSC_EXTERN const char *const *MatOptions;
412 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
413 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
414 PETSC_EXTERN PetscErrorCode MatPropagateSymmetryOptions(Mat,Mat);
415 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
416 
417 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
418 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
419 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
420 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
421 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
422 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
423 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
424 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayRead(Mat,const PetscScalar *[]);
425 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
426 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayRead(Mat,const PetscScalar *[]);
427 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
428 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
429 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
430 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
431 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
432 PETSC_EXTERN PetscErrorCode MatSeqBAIJGetArray(Mat,PetscScalar *[]);
433 PETSC_EXTERN PetscErrorCode MatSeqBAIJRestoreArray(Mat,PetscScalar *[]);
434 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
435 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
436 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
437 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
438 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
439 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
440 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
441 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
442 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
443 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
444 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
445 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
446 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
447 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
448 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
449 
450 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar *[]);
451 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar *[]);
452 
453 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
454 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
455 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
456 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
457 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
458 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
459 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
460 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
461 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
462 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
463 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
464 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
465 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
466 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
467 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
468 
469 /*E
470     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
471   its numerical values copied over or just its nonzero structure.
472 
473     Level: beginner
474 
475    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
476 
477 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
478 $                               with zeros for the numerical values.
479 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
480 $                               and with the same numerical values.
481 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
482 $                               and does not copy it, using zeros for the numerical values. The parent and
483 $                               child matrices will share their index (i and j) arrays, and you cannot
484 $                               insert new nonzero entries into either matrix.
485 
486 Notes:
487     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
488 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
489 
490 .seealso: MatDuplicate()
491 E*/
492 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
493 
494 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
495 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
496 
497 
498 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
499 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
500 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
501 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
502 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
503 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
504 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
505 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
506 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
507 
508 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
509 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
510 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
511 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
512 
513 /*S
514      MatInfo - Context of matrix information, used with MatGetInfo()
515 
516    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
517 
518    Level: intermediate
519 
520 .seealso:  MatGetInfo(), MatInfoType
521 S*/
522 typedef struct {
523   PetscLogDouble block_size;                         /* block size */
524   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
525   PetscLogDouble memory;                             /* memory allocated */
526   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
527   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
528   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
529   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
530 } MatInfo;
531 
532 /*E
533     MatInfoType - Indicates if you want information about the local part of the matrix,
534      the entire parallel matrix or the maximum over all the local parts.
535 
536     Level: beginner
537 
538    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
539 
540 .seealso: MatGetInfo(), MatInfo
541 E*/
542 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
543 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
544 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
545 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
546 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
547 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
548 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
549 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
550 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
551 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
552 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
553 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
554 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
555 
556 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
557 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
558 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
559 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
560 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
561 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
562 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
563 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
564 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
565 
566 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
567 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
568 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
569 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
570 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
571 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
572 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
573 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
574 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
575 
576 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
577 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
578 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
579 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
580 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
581 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
582 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
583 
584 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
585 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);}
586 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
587 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);}
588 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
589 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
590 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
591 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);}
592 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
593 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
594 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
595 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
596 
597 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
598 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
599 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
600 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
601 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
602 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
603 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
604 
605 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
606 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
607 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
608 
609 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
610 PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
611 PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);
612 
613 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
614 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
615 
616 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
617 PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
618 PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
619 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
620 PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
621 PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);
622 
623 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
624 PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
625 PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
626 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
627 PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
628 PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);
629 
630 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
631 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
632 
633 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
634 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
635 
636 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
637 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
638 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
639 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
640 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
641 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
642 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
643 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
644 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
645 
646 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
647 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
648 
649 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
650 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
651 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
652 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
653 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);}
654 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
655 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
656 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
657 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
658 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
659 
660 /*MC
661    MatSetValue - Set a single entry into a matrix.
662 
663    Not collective
664 
665    Synopsis:
666      #include <petscmat.h>
667      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
668 
669    Input Parameters:
670 +  m - the matrix
671 .  row - the row location of the entry
672 .  col - the column location of the entry
673 .  value - the value to insert
674 -  mode - either INSERT_VALUES or ADD_VALUES
675 
676    Notes:
677    For efficiency one should use MatSetValues() and set several or many
678    values simultaneously if possible.
679 
680    Level: beginner
681 
682 .seealso: MatSetValues(), MatSetValueLocal()
683 M*/
684 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
685 
686 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
687 
688 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
689 
690 /*MC
691    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
692        row in a matrix providing the data that one can use to correctly preallocate the matrix.
693 
694    Synopsis:
695    #include <petscmat.h>
696    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
697 
698    Collective
699 
700    Input Parameters:
701 +  comm - the communicator that will share the eventually allocated matrix
702 .  nrows - the number of LOCAL rows in the matrix
703 -  ncols - the number of LOCAL columns in the matrix
704 
705    Output Parameters:
706 +  dnz - the array that will be passed to the matrix preallocation routines
707 -  onz - the other array passed to the matrix preallocation routines
708 
709    Level: intermediate
710 
711    Notes:
712     See Users-Manual: ch_performance for more details.
713 
714    Do not malloc or free dnz and onz, that is handled internally by these routines
715 
716    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
717 
718 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
719           MatPreallocateSymmetricSetLocalBlock()
720 M*/
721 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
722 do { \
723   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
724   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
725   __start = 0; __end = __start;                                         \
726   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
727   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; \
728   do { } while(0)
729 
730 /*MC
731    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
732        inserted using a local number of the rows and columns
733 
734    Synopsis:
735    #include <petscmat.h>
736    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
737 
738    Not Collective
739 
740    Input Parameters:
741 +  map - the row mapping from local numbering to global numbering
742 .  nrows - the number of rows indicated
743 .  rows - the indices of the rows
744 .  cmap - the column mapping from local to global numbering
745 .  ncols - the number of columns in the matrix
746 .  cols - the columns indicated
747 .  dnz - the array that will be passed to the matrix preallocation routines
748 -  onz - the other array passed to the matrix preallocation routines
749 
750    Level: intermediate
751 
752    Notes:
753     See Users-Manual: ch_performance for more details.
754 
755    Do not malloc or free dnz and onz, that is handled internally by these routines
756 
757 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
758           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
759 M*/
760 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
761 do {\
762   PetscInt __l;\
763   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
764   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
765   for (__l=0;__l<nrows;__l++) {\
766     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
767   }\
768  } while (0)
769 
770 /*MC
771    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
772        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
773 
774    Synopsis:
775    #include <petscmat.h>
776    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
777 
778    Not Collective
779 
780    Input Parameters:
781 +  map - the row mapping from local numbering to global numbering
782 .  nrows - the number of rows indicated
783 .  rows - the indices of the rows (these values are mapped to the global values)
784 .  cmap - the column mapping from local to global numbering
785 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
786 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
787 .  dnz - the array that will be passed to the matrix preallocation routines
788 -  onz - the other array passed to the matrix preallocation routines
789 
790    Level: intermediate
791 
792    Notes:
793     See Users-Manual: ch_performance for more details.
794 
795    Do not malloc or free dnz and onz, that is handled internally by these routines
796 
797 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
798           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
799 M*/
800 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
801 do {\
802   PetscInt __l;\
803   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
804   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
805   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
806   for (__l=0;__l<nrows;__l++) {\
807     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
808   }\
809  } while (0)
810 
811 /*MC
812    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
813        inserted using a local number of the rows and columns
814 
815    Synopsis:
816    #include <petscmat.h>
817    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
818 
819    Not Collective
820 
821    Input Parameters:
822 +  map - the row mapping from local numbering to global numbering
823 .  nrows - the number of rows indicated
824 .  rows - the indices of the rows
825 .  cmap - the column mapping from local to global numbering
826 .  ncols - the number of columns in the matrix
827 .  cols - the columns indicated
828 .  dnz - the array that will be passed to the matrix preallocation routines
829 -  onz - the other array passed to the matrix preallocation routines
830 
831    Level: intermediate
832 
833    Notes:
834     See Users-Manual: ch_performance for more details.
835 
836    Do not malloc or free dnz and onz, that is handled internally by these routines
837 
838 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
839           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
840 M*/
841 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
842 do {\
843   PetscInt __l;\
844   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
845   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
846   for (__l=0;__l<nrows;__l++) {\
847     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
848   }\
849 } while (0)
850 
851 /*MC
852    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
853        inserted using a local number of the rows and columns
854 
855    Synopsis:
856    #include <petscmat.h>
857    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
858 
859    Not Collective
860 
861    Input Parameters:
862 +  map - the mapping between local numbering and global numbering
863 .  nrows - the number of rows indicated
864 .  rows - the indices of the rows
865 .  ncols - the number of columns in the matrix
866 .  cols - the columns indicated
867 .  dnz - the array that will be passed to the matrix preallocation routines
868 -  onz - the other array passed to the matrix preallocation routines
869 
870    Level: intermediate
871 
872    Notes:
873     See Users-Manual: ch_performance for more details.
874 
875    Do not malloc or free dnz and onz that is handled internally by these routines
876 
877 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
878           MatPreallocateInitialize(),  MatPreallocateSetLocal()
879 M*/
880 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
881 do {\
882   PetscInt __l;\
883   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
884   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
885   for (__l=0;__l<nrows;__l++) {\
886     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
887   }\
888 } while (0)
889 
890 /*MC
891    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
892        inserted using a local number of the rows and columns
893 
894    Synopsis:
895    #include <petscmat.h>
896    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
897 
898    Not Collective
899 
900    Input Parameters:
901 +  row - the row
902 .  ncols - the number of columns in the matrix
903 -  cols - the columns indicated
904 
905    Output Parameters:
906 +  dnz - the array that will be passed to the matrix preallocation routines
907 -  onz - the other array passed to the matrix preallocation routines
908 
909    Level: intermediate
910 
911    Notes:
912     See Users-Manual: ch_performance for more details.
913 
914    Do not malloc or free dnz and onz that is handled internally by these routines
915 
916    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
917 
918 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
919           MatPreallocateInitialize(), MatPreallocateSetLocal()
920 M*/
921 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
922 do { PetscInt __i; \
923   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);\
924   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);\
925   for (__i=0; __i<nc; __i++) {\
926     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
927     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
928   }\
929 } while (0)
930 
931 /*MC
932    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
933        inserted using a local number of the rows and columns
934 
935    Synopsis:
936    #include <petscmat.h>
937    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
938 
939    Not Collective
940 
941    Input Parameters:
942 +  nrows - the number of rows indicated
943 .  rows - the indices of the rows
944 .  ncols - the number of columns in the matrix
945 .  cols - the columns indicated
946 .  dnz - the array that will be passed to the matrix preallocation routines
947 -  onz - the other array passed to the matrix preallocation routines
948 
949    Level: intermediate
950 
951    Notes:
952     See Users-Manual: ch_performance for more details.
953 
954    Do not malloc or free dnz and onz that is handled internally by these routines
955 
956    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
957 
958 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
959           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
960 M*/
961 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
962 do { PetscInt __i; \
963   for (__i=0; __i<nc; __i++) {\
964     if (cols[__i] >= __end) onz[row - __rstart]++; \
965     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
966   }\
967 } while (0)
968 
969 /*MC
970    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
971 
972    Synopsis:
973    #include <petscmat.h>
974    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
975 
976    Not Collective
977 
978    Input Parameters:
979 +  A - matrix
980 .  row - row where values exist (must be local to this process)
981 .  ncols - number of columns
982 .  cols - columns with nonzeros
983 .  dnz - the array that will be passed to the matrix preallocation routines
984 -  onz - the other array passed to the matrix preallocation routines
985 
986    Level: intermediate
987 
988    Notes:
989     See Users-Manual: ch_performance for more details.
990 
991    Do not malloc or free dnz and onz that is handled internally by these routines
992 
993    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
994 
995 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
996           MatPreallocateSymmetricSetLocalBlock()
997 M*/
998 #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)
999 
1000 
1001 /*MC
1002    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
1003        row in a matrix providing the data that one can use to correctly preallocate the matrix.
1004 
1005    Synopsis:
1006    #include <petscmat.h>
1007    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
1008 
1009    Collective
1010 
1011    Input Parameters:
1012 +  dnz - the array that was be passed to the matrix preallocation routines
1013 -  onz - the other array passed to the matrix preallocation routines
1014 
1015    Level: intermediate
1016 
1017    Notes:
1018     See Users-Manual: ch_performance for more details.
1019 
1020    Do not malloc or free dnz and onz that is handled internally by these routines
1021 
1022    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1023 
1024 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1025           MatPreallocateSymmetricSetLocalBlock()
1026 M*/
1027 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while(0)
1028 
1029 /* Routines unique to particular data structures */
1030 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1031 
1032 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1033 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1034 
1035 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1036 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1037 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1038 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1039 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1040 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1041 
1042 #define MAT_SKIP_ALLOCATION -4
1043 
1044 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1045 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1046 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1047 
1048 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1049 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1050 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1051 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1052 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1053 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1054 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1055 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1056 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1057 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1058 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1059 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1060 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1061 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1062 
1063 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1064 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1065 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1066 
1067 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1068 
1069 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1070 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1071 
1072 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1073 
1074 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1075 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1076 /*
1077   These routines are not usually accessed directly, rather solving is
1078   done through the KSP and PC interfaces.
1079 */
1080 
1081 /*J
1082     MatOrderingType - String with the name of a PETSc matrix ordering
1083 
1084    Level: beginner
1085 
1086 .seealso: MatGetOrdering()
1087 J*/
1088 typedef const char* MatOrderingType;
1089 #define MATORDERINGNATURAL     "natural"
1090 #define MATORDERINGND          "nd"
1091 #define MATORDERING1WD         "1wd"
1092 #define MATORDERINGRCM         "rcm"
1093 #define MATORDERINGQMD         "qmd"
1094 #define MATORDERINGROWLENGTH   "rowlength"
1095 #define MATORDERINGWBM         "wbm"
1096 #define MATORDERINGSPECTRAL    "spectral"
1097 #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */
1098 
1099 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1100 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1101 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1102 PETSC_EXTERN PetscFunctionList MatOrderingList;
1103 
1104 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1105 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1106 
1107 /*S
1108     MatFactorShiftType - Numeric Shift.
1109 
1110    Level: beginner
1111 
1112 S*/
1113 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1114 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1115 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1116 
1117 /*S
1118     MatFactorError - indicates what type of error in matrix factor
1119 
1120     Level: beginner
1121 
1122     Developer Notes:
1123     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1124 
1125 .seealso: MatGetFactor()
1126 S*/
1127 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1128 
1129 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1130 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1131 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1132 
1133 /*S
1134    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1135 
1136    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1137 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1138 
1139    Notes:
1140     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1141 
1142       You can use MatFactorInfoInitialize() to set default values.
1143 
1144    Level: developer
1145 
1146 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1147           MatFactorInfoInitialize()
1148 
1149 S*/
1150 typedef struct {
1151   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1152   PetscReal     usedt;
1153   PetscReal     dt;             /* drop tolerance */
1154   PetscReal     dtcol;          /* tolerance for pivoting */
1155   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1156   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1157   PetscReal     levels;         /* ICC/ILU(levels) */
1158   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1159                                    factorization may be faster if do not pivot */
1160   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1161   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1162   PetscReal     shiftamount;     /* how large the shift is */
1163 } MatFactorInfo;
1164 
1165 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1166 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1167 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1168 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1169 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1170 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1171 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1172 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1173 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1174 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1175 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1176 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1177 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1178 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1179 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1180 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1181 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1182 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1183 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1184 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1185 
1186 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1187 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1188 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1189 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1190 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1191 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1192 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1193 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1194 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1195 
1196 /*E
1197     MatSORType - What type of (S)SOR to perform
1198 
1199     Level: beginner
1200 
1201    May be bitwise ORd together
1202 
1203    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1204 
1205    MatSORType may be bitwise ORd together, so do not change the numbers
1206 
1207 .seealso: MatSOR()
1208 E*/
1209 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1210               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1211               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1212               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1213 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1214 
1215 /*
1216     These routines are for efficiently computing Jacobians via finite differences.
1217 */
1218 
1219 /*S
1220      MatColoring - Object for managing the coloring of matrices.
1221 
1222    Level: beginner
1223 
1224 .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1225 S*/
1226 typedef struct _p_MatColoring* MatColoring;
1227 /*J
1228     MatColoringType - String with the name of a PETSc matrix coloring
1229 
1230    Level: beginner
1231 
1232 .seealso: MatColoringSetType(), MatColoring
1233 J*/
1234 
1235 typedef const  char*           MatColoringType;
1236 #define MATCOLORINGJP      "jp"
1237 #define MATCOLORINGPOWER   "power"
1238 #define MATCOLORINGNATURAL "natural"
1239 #define MATCOLORINGSL      "sl"
1240 #define MATCOLORINGLF      "lf"
1241 #define MATCOLORINGID      "id"
1242 #define MATCOLORINGGREEDY  "greedy"
1243 
1244 /*E
1245    MatColoringWeightType - Type of weight scheme
1246 
1247     Not Collective
1248 
1249 +   MAT_COLORING_RANDOM  - Random weights
1250 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1251 -   MAT_COLORING_LF      - Last-first weighting.
1252 
1253     Level: intermediate
1254 
1255    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1256 E*/
1257 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1258 
1259 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1260 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1261 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1262 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1263 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1264 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1265 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1266 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1267 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1268 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1269 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1270 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1271 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1272 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1273 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1274 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1275 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1276 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1277 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1278 
1279 /*S
1280      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1281         and coloring
1282 
1283    Level: beginner
1284 
1285 .seealso:  MatFDColoringCreate()
1286 S*/
1287 typedef struct _p_MatFDColoring* MatFDColoring;
1288 
1289 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1290 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1291 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1292 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1293 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1294 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1295 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1296 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1297 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1298 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1299 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1300 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1301 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat,MatFDColoring,const PetscScalar*);
1302 
1303 /*S
1304      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1305 
1306    Level: beginner
1307 
1308 .seealso:  MatTransposeColoringCreate()
1309 S*/
1310 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1311 
1312 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1313 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1314 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1315 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1316 
1317 /*
1318     These routines are for partitioning matrices: currently used only
1319   for adjacency matrix, MatCreateMPIAdj().
1320 */
1321 
1322 /*S
1323      MatPartitioning - Object for managing the partitioning of a matrix or graph
1324 
1325    Level: beginner
1326 
1327 .seealso:  MatPartitioningCreate(), MatPartitioningType
1328 S*/
1329 typedef struct _p_MatPartitioning* MatPartitioning;
1330 
1331 /*J
1332     MatPartitioningType - String with the name of a PETSc matrix partitioning
1333 
1334    Level: beginner
1335 dm
1336 .seealso: MatPartitioningCreate(), MatPartitioning
1337 J*/
1338 typedef const char* MatPartitioningType;
1339 #define MATPARTITIONINGCURRENT  "current"
1340 #define MATPARTITIONINGAVERAGE   "average"
1341 #define MATPARTITIONINGSQUARE   "square"
1342 #define MATPARTITIONINGPARMETIS "parmetis"
1343 #define MATPARTITIONINGCHACO    "chaco"
1344 #define MATPARTITIONINGPARTY    "party"
1345 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1346 #define MATPARTITIONINGHIERARCH  "hierarch"
1347 
1348 
1349 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1350 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1351 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1352 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1353 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1354 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1355 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1356 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1357 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1358 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1359 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1360 
1361 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1362 
1363 
1364 
1365 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1366 PETSC_EXTERN PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning,PetscObject,const char[]);
1367 
1368 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1369 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1370 
1371 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1372 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1373 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1374 
1375 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1376 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1377 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1378 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1379 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1380 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1381 
1382 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1383 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1384 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1385 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1386 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1387 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1388 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1389 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1390 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1391 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1392 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1393 
1394 #define MP_PARTY_OPT "opt"
1395 #define MP_PARTY_LIN "lin"
1396 #define MP_PARTY_SCA "sca"
1397 #define MP_PARTY_RAN "ran"
1398 #define MP_PARTY_GBF "gbf"
1399 #define MP_PARTY_GCF "gcf"
1400 #define MP_PARTY_BUB "bub"
1401 #define MP_PARTY_DEF "def"
1402 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1403 #define MP_PARTY_HELPFUL_SETS "hs"
1404 #define MP_PARTY_KERNIGHAN_LIN "kl"
1405 #define MP_PARTY_NONE "no"
1406 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1407 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1408 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1409 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1410 
1411 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1412 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1413 
1414 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1415 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1416 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1417 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1418 
1419 /*
1420  * hierarchical partitioning
1421  */
1422 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1423 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1424 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1425 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1426 
1427 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1428 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1429 
1430 /*
1431     If you add entries here you must also add them to petsc/finclude/petscmat.h
1432 */
1433 typedef enum { MATOP_SET_VALUES=0,
1434                MATOP_GET_ROW=1,
1435                MATOP_RESTORE_ROW=2,
1436                MATOP_MULT=3,
1437                MATOP_MULT_ADD=4,
1438                MATOP_MULT_TRANSPOSE=5,
1439                MATOP_MULT_TRANSPOSE_ADD=6,
1440                MATOP_SOLVE=7,
1441                MATOP_SOLVE_ADD=8,
1442                MATOP_SOLVE_TRANSPOSE=9,
1443                MATOP_SOLVE_TRANSPOSE_ADD=10,
1444                MATOP_LUFACTOR=11,
1445                MATOP_CHOLESKYFACTOR=12,
1446                MATOP_SOR=13,
1447                MATOP_TRANSPOSE=14,
1448                MATOP_GETINFO=15,
1449                MATOP_EQUAL=16,
1450                MATOP_GET_DIAGONAL=17,
1451                MATOP_DIAGONAL_SCALE=18,
1452                MATOP_NORM=19,
1453                MATOP_ASSEMBLY_BEGIN=20,
1454                MATOP_ASSEMBLY_END=21,
1455                MATOP_SET_OPTION=22,
1456                MATOP_ZERO_ENTRIES=23,
1457                MATOP_ZERO_ROWS=24,
1458                MATOP_LUFACTOR_SYMBOLIC=25,
1459                MATOP_LUFACTOR_NUMERIC=26,
1460                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1461                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1462                MATOP_SETUP_PREALLOCATION=29,
1463                MATOP_ILUFACTOR_SYMBOLIC=30,
1464                MATOP_ICCFACTOR_SYMBOLIC=31,
1465                MATOP_GET_DIAGONAL_BLOCK=32,
1466                MATOP_FREE_INTER_STRUCT=33,
1467                MATOP_DUPLICATE=34,
1468                MATOP_FORWARD_SOLVE=35,
1469                MATOP_BACKWARD_SOLVE=36,
1470                MATOP_ILUFACTOR=37,
1471                MATOP_ICCFACTOR=38,
1472                MATOP_AXPY=39,
1473                MATOP_CREATE_SUBMATRICES=40,
1474                MATOP_INCREASE_OVERLAP=41,
1475                MATOP_GET_VALUES=42,
1476                MATOP_COPY=43,
1477                MATOP_GET_ROW_MAX=44,
1478                MATOP_SCALE=45,
1479                MATOP_SHIFT=46,
1480                MATOP_DIAGONAL_SET=47,
1481                MATOP_ZERO_ROWS_COLUMNS=48,
1482                MATOP_SET_RANDOM=49,
1483                MATOP_GET_ROW_IJ=50,
1484                MATOP_RESTORE_ROW_IJ=51,
1485                MATOP_GET_COLUMN_IJ=52,
1486                MATOP_RESTORE_COLUMN_IJ=53,
1487                MATOP_FDCOLORING_CREATE=54,
1488                MATOP_COLORING_PATCH=55,
1489                MATOP_SET_UNFACTORED=56,
1490                MATOP_PERMUTE=57,
1491                MATOP_SET_VALUES_BLOCKED=58,
1492                MATOP_CREATE_SUBMATRIX=59,
1493                MATOP_DESTROY=60,
1494                MATOP_VIEW=61,
1495                MATOP_CONVERT_FROM=62,
1496                MATOP_MATMAT_MULT=63,
1497                MATOP_MATMAT_MULT_SYMBOLIC=64,
1498                MATOP_MATMAT_MULT_NUMERIC=65,
1499                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1500                MATOP_SET_VALUES_LOCAL=67,
1501                MATOP_ZERO_ROWS_LOCAL=68,
1502                MATOP_GET_ROW_MAX_ABS=69,
1503                MATOP_GET_ROW_MIN_ABS=70,
1504                MATOP_CONVERT=71,
1505                MATOP_SET_COLORING=72,
1506                /* MATOP_PLACEHOLDER_73=73, */
1507                MATOP_SET_VALUES_ADIFOR=74,
1508                MATOP_FD_COLORING_APPLY=75,
1509                MATOP_SET_FROM_OPTIONS=76,
1510                MATOP_MULT_CONSTRAINED=77,
1511                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1512                MATOP_FIND_ZERO_DIAGONALS=79,
1513                MATOP_MULT_MULTIPLE=80,
1514                MATOP_SOLVE_MULTIPLE=81,
1515                MATOP_GET_INERTIA=82,
1516                MATOP_LOAD=83,
1517                MATOP_IS_SYMMETRIC=84,
1518                MATOP_IS_HERMITIAN=85,
1519                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1520                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1521                MATOP_CREATE_VECS=88,
1522                MATOP_MAT_MULT=89,
1523                MATOP_MAT_MULT_SYMBOLIC=90,
1524                MATOP_MAT_MULT_NUMERIC=91,
1525                MATOP_PTAP=92,
1526                MATOP_PTAP_SYMBOLIC=93,
1527                MATOP_PTAP_NUMERIC=94,
1528                MATOP_MAT_TRANSPOSE_MULT=95,
1529                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1530                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1531                /* MATOP_PLACEHOLDER_98=98, */
1532                /* MATOP_PLACEHOLDER_99=99, */
1533                /* MATOP_PLACEHOLDER_100=100, */
1534                /* MATOP_PLACEHOLDER_101=101, */
1535                MATOP_CONJUGATE=102,
1536                /* MATOP_PLACEHOLDER_103=103, */
1537                MATOP_SET_VALUES_ROW=104,
1538                MATOP_REAL_PART=105,
1539                MATOP_IMAGINARY_PART=106,
1540                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1541                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1542                MATOP_MAT_SOLVE=109,
1543                MATOP_MAT_SOLVE_TRANSPOSE=110,
1544                MATOP_GET_ROW_MIN=111,
1545                MATOP_GET_COLUMN_VECTOR=112,
1546                MATOP_MISSING_DIAGONAL=113,
1547                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1548                MATOP_CREATE=115,
1549                MATOP_GET_GHOSTS=116,
1550                MATOP_GET_LOCAL_SUB_MATRIX=117,
1551                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1552                MATOP_MULT_DIAGONAL_BLOCK=119,
1553                MATOP_HERMITIAN_TRANSPOSE=120,
1554                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1555                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1556                MATOP_GET_MULTI_PROC_BLOCK=123,
1557                MATOP_FIND_NONZERO_ROWS=124,
1558                MATOP_GET_COLUMN_NORMS=125,
1559                MATOP_INVERT_BLOCK_DIAGONAL=126,
1560                /* MATOP_PLACEHOLDER_127=127, */
1561                MATOP_CREATE_SUB_MATRICES_MPI=128,
1562                MATOP_SET_VALUES_BATCH=129,
1563                MATOP_TRANSPOSE_MAT_MULT=130,
1564                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1565                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1566                MATOP_TRANSPOSE_COLORING_CREAT=133,
1567                MATOP_TRANS_COLORING_APPLY_SPT=134,
1568                MATOP_TRANS_COLORING_APPLY_DEN=135,
1569                MATOP_RART=136,
1570                MATOP_RART_SYMBOLIC=137,
1571                MATOP_RART_NUMERIC=138,
1572                MATOP_SET_BLOCK_SIZES=139,
1573                MATOP_AYPX=140,
1574                MATOP_RESIDUAL=141,
1575                MATOP_FDCOLORING_SETUP=142,
1576                MATOP_MPICONCATENATESEQ=144,
1577                MATOP_DESTROYSUBMATRICES=145
1578              } MatOperation;
1579 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1580 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1581 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1582 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool *);
1583 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1584 
1585 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1586 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1587 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1588 PETSC_EXTERN PetscErrorCode MatShellSetVecType(Mat,VecType);
1589 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1590 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1591 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1592 
1593 /*
1594    Codes for matrices stored on disk. By default they are
1595    stored in a universal format. By changing the format with
1596    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1597    be stored in a way natural for the matrix, for example dense matrices
1598    would be stored as dense. Matrices stored this way may only be
1599    read into matrices of the same type.
1600 */
1601 #define MATRIX_BINARY_FORMAT_DENSE -1
1602 
1603 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1604 
1605 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1606 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1607 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1608 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1609 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1610 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1611 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1612 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1613 
1614 /*S
1615      MatNullSpace - Object that removes a null space from a vector, i.e.
1616          orthogonalizes the vector to a subsapce
1617 
1618    Level: advanced
1619 
1620   Users manual sections:
1621 .   sec_singular
1622 
1623 .seealso:  MatNullSpaceCreate()
1624 S*/
1625 typedef struct _p_MatNullSpace* MatNullSpace;
1626 
1627 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1628 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1629 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1630 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1631 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1632 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1633 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1634 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1635 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1636 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1637 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1638 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1639 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1640 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1641 
1642 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1643 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1644 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1645 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1646 
1647 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1648 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1649 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1650 
1651 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1652 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1653 
1654 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1655 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1656 
1657 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat,PetscInt,PetscInt,const PetscScalar[],const PetscScalar[],Mat*);
1658 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat,Mat*);
1659 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat,PetscInt*,PetscInt*,PetscScalar**);
1660 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1661 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat,PetscScalar**);
1662 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat,const PetscScalar**);
1663 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat,PetscInt*,PetscInt*,PetscScalar**);
1664 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1665 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat,PetscScalar**);
1666 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat,const PetscScalar**);
1667 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat,Mat);
1668 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat,PetscInt,PetscInt,const PetscScalar []);
1669 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat,PetscInt,PetscInt,const PetscScalar []);
1670 
1671 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1672 
1673 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1674 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1675 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1676 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1677 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1678 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1679 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1680 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1681 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1682 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1683 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1684 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1685 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1686 
1687 /*S
1688     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1689               Jacobian vector products
1690 
1691     Notes:
1692     MATMFFD is a specific MatType which uses the MatMFFD data structure
1693 
1694            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1695 
1696     Level: developer
1697 
1698 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1699 S*/
1700 typedef struct _p_MatMFFD* MatMFFD;
1701 
1702 /*J
1703     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1704 
1705    Level: beginner
1706 
1707 .seealso: MatMFFDSetType(), MatMFFDRegister()
1708 J*/
1709 typedef const char* MatMFFDType;
1710 #define MATMFFD_DS  "ds"
1711 #define MATMFFD_WP  "wp"
1712 
1713 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1714 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1715 
1716 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1717 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1718 
1719 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1720 
1721 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1722 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1723 
1724 /*
1725    PETSc interface to MUMPS
1726 */
1727 #ifdef PETSC_HAVE_MUMPS
1728 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1729 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1730 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1731 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1732 
1733 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1734 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1735 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1736 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1737 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1738 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1739 #endif
1740 
1741 /*
1742    PETSc interface to Mkl_Pardiso
1743 */
1744 #ifdef PETSC_HAVE_MKL_PARDISO
1745 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1746 #endif
1747 
1748 /*
1749    PETSc interface to Mkl_CPardiso
1750 */
1751 #ifdef PETSC_HAVE_MKL_CPARDISO
1752 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1753 #endif
1754 
1755 /*
1756    PETSc interface to SUPERLU
1757 */
1758 #ifdef PETSC_HAVE_SUPERLU
1759 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1760 #endif
1761 
1762 /*
1763    PETSc interface to SUPERLU_DIST
1764 */
1765 #ifdef PETSC_HAVE_SUPERLU_DIST
1766 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1767 #endif
1768 
1769 /*
1770    PETSc interface to STRUMPACK
1771 */
1772 #ifdef PETSC_HAVE_STRUMPACK
1773 /*E
1774     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1775 
1776     Level: intermediate
1777 E*/
1778 typedef enum {MAT_STRUMPACK_NATURAL=0,
1779               MAT_STRUMPACK_METIS=1,
1780               MAT_STRUMPACK_PARMETIS=2,
1781               MAT_STRUMPACK_SCOTCH=3,
1782               MAT_STRUMPACK_PTSCOTCH=4,
1783               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1784 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1785 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1786 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1787 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1788 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1789 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1790 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1791 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1792 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1793 #endif
1794 
1795 
1796 PETSC_EXTERN PetscErrorCode MatPinToCPU(Mat,PetscBool);
1797 
1798 #ifdef PETSC_HAVE_CUDA
1799 /*E
1800     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1801     matrices.
1802 
1803     Not Collective
1804 
1805 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1806 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1807 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1808 
1809     Level: intermediate
1810 
1811    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1812 
1813 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1814 E*/
1815 
1816 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1817 
1818 /* these will be strings associated with enumerated type defined above */
1819 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1820 
1821 /*E
1822     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1823     matrices whose operation should use a particular storage format.
1824 
1825     Not Collective
1826 
1827 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1828 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1829 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1830 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1831 
1832     Level: intermediate
1833 
1834 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1835 E*/
1836 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1837 
1838 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1839 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1840 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1841 #endif
1842 
1843 #if defined(PETSC_HAVE_VIENNACL)
1844 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1845 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1846 #endif
1847 
1848 /*
1849    PETSc interface to FFTW
1850 */
1851 #if defined(PETSC_HAVE_FFTW)
1852 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1853 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1854 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1855 #endif
1856 
1857 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1858 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1859 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1860 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1861 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1862 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1863 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1864 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1865 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1866 
1867 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1868 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1869 
1870 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1871 
1872 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1873 
1874 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1875 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1876 
1877 #endif
1878