xref: /petsc/include/petscmat.h (revision 281439ba431d5b0c2ccee49a7eb2f7320a185d7e)
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 MATDENSECUDA       "densecuda"
61 #define MATSEQDENSE        "seqdense"
62 #define MATSEQDENSECUDA    "seqdensecuda"
63 #define MATMPIDENSE        "mpidense"
64 #define MATMPIDENSECUDA    "mpidensecuda"
65 #define MATELEMENTAL       "elemental"
66 #define MATBAIJ            "baij"
67 #define MATSEQBAIJ         "seqbaij"
68 #define MATMPIBAIJ         "mpibaij"
69 #define MATMPIADJ          "mpiadj"
70 #define MATSBAIJ           "sbaij"
71 #define MATSEQSBAIJ        "seqsbaij"
72 #define MATMPISBAIJ        "mpisbaij"
73 #define MATDAAD            "daad"
74 #define MATMFFD            "mffd"
75 #define MATNORMAL          "normal"
76 #define MATNORMALHERMITIAN "normalh"
77 #define MATLRC             "lrc"
78 #define MATSCATTER         "scatter"
79 #define MATBLOCKMAT        "blockmat"
80 #define MATCOMPOSITE       "composite"
81 #define MATFFT             "fft"
82 #define MATFFTW            "fftw"
83 #define MATSEQCUFFT        "seqcufft"
84 #define MATTRANSPOSEMAT    "transpose"
85 #define MATSCHURCOMPLEMENT "schurcomplement"
86 #define MATPYTHON          "python"
87 #define MATHYPRE           "hypre"
88 #define MATHYPRESTRUCT     "hyprestruct"
89 #define MATHYPRESSTRUCT    "hypresstruct"
90 #define MATSUBMATRIX       "submatrix"
91 #define MATLOCALREF        "localref"
92 #define MATNEST            "nest"
93 #define MATPREALLOCATOR    "preallocator"
94 #define MATSELL            "sell"
95 #define MATSEQSELL         "seqsell"
96 #define MATMPISELL         "mpisell"
97 #define MATDUMMY           "dummy"
98 #define MATLMVM            "lmvm"
99 #define MATLMVMDFP         "lmvmdfp"
100 #define MATLMVMBFGS        "lmvmbfgs"
101 #define MATLMVMSR1         "lmvmsr1"
102 #define MATLMVMBROYDEN     "lmvmbroyden"
103 #define MATLMVMBADBROYDEN  "lmvmbadbroyden"
104 #define MATLMVMSYMBROYDEN  "lmvmsymbroyden"
105 #define MATLMVMSYMBADBROYDEN "lmvmsymbadbroyden"
106 #define MATLMVMDIAGBROYDEN "lmvmdiagbroyden"
107 #define MATCONSTANTDIAGONAL "constantdiagonal"
108 
109 /*J
110     MatSolverType - String with the name of a PETSc matrix solver type.
111 
112     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
113 
114    Level: beginner
115 
116    Notes:  MATSOLVERUMFPACK, MATSOLVERCHOLMOD, MATSOLVERKLU form the SuiteSparse package for which you can use --download-suitesparse
117 
118 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
119 J*/
120 typedef const char* MatSolverType;
121 #define MATSOLVERSUPERLU          "superlu"
122 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
123 #define MATSOLVERSTRUMPACK        "strumpack"
124 #define MATSOLVERUMFPACK          "umfpack"
125 #define MATSOLVERCHOLMOD          "cholmod"
126 #define MATSOLVERKLU              "klu"
127 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
128 #define MATSOLVERELEMENTAL        "elemental"
129 #define MATSOLVERESSL             "essl"
130 #define MATSOLVERLUSOL            "lusol"
131 #define MATSOLVERMUMPS            "mumps"
132 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
133 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
134 #define MATSOLVERPASTIX           "pastix"
135 #define MATSOLVERMATLAB           "matlab"
136 #define MATSOLVERPETSC            "petsc"
137 #define MATSOLVERBAS              "bas"
138 #define MATSOLVERCUSPARSE         "cusparse"
139 #define MATSOLVERCUDA             "cuda"
140 
141 /*E
142     MatFactorType - indicates what type of factorization is requested
143 
144     Level: beginner
145 
146    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
147 
148 .seealso: MatSolverType, MatGetFactor()
149 E*/
150 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
151 PETSC_EXTERN const char *const MatFactorTypes[];
152 
153 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
154 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
155 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
156 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
157 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
158 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,PetscErrorCode(*)(Mat,MatFactorType,Mat*));
159 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,PetscErrorCode (**)(Mat,MatFactorType,Mat*));
160 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
161 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*))
162 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
163 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*))
164 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
165 
166 /*E
167     MatProductType - indicates what type of matrix product is requested
168 
169     Level: beginner
170 
171 .seealso: MatSolverType, MatProductSetType()
172 E*/
173 typedef enum {MATPRODUCT_AB,MATPRODUCT_AtB,MATPRODUCT_ABt,MATPRODUCT_PtAP,MATPRODUCT_RARt,MATPRODUCT_ABC} MatProductType;
174 PETSC_EXTERN const char *const MatProductTypes[];
175 
176 /*J
177     MatProductAlgorithm - String with the name of an algorithm for a PETSc matrix product implementation
178 
179    Level: beginner
180 
181 .seealso: MatSetType(), Mat, MatSolverType, MatRegister(), MatProductSetAlgorithm(), MatProductType
182 J*/
183 typedef const char* MatProductAlgorithm;
184 #define MATPRODUCTALGORITHM_DEFAULT "default"
185 
186 PETSC_EXTERN PetscErrorCode MatProductCreate(Mat,Mat,Mat,Mat*);
187 PETSC_EXTERN PetscErrorCode MatProductCreateWithMat(Mat,Mat,Mat,Mat);
188 PETSC_EXTERN PetscErrorCode MatProductSetType(Mat,MatProductType);
189 PETSC_EXTERN PetscErrorCode MatProductSetAlgorithm(Mat,MatProductAlgorithm);
190 PETSC_EXTERN PetscErrorCode MatProductSetFill(Mat,PetscReal);
191 PETSC_EXTERN PetscErrorCode MatProductSetFromOptions(Mat);
192 PETSC_EXTERN PetscErrorCode MatProductSymbolic(Mat);
193 PETSC_EXTERN PetscErrorCode MatProductNumeric(Mat);
194 PETSC_EXTERN PetscErrorCode MatProductReplaceMats(Mat,Mat,Mat,Mat);
195 PETSC_EXTERN PetscErrorCode MatProductClear(Mat);
196 
197 /* Logging support */
198 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
199 PETSC_EXTERN PetscClassId MAT_CLASSID;
200 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
201 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
202 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
203 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
204 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
205 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
206 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
207 
208 /*E
209     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
210      are to be reused to store the new matrix values.
211 
212 $  MAT_INITIAL_MATRIX - create a new matrix
213 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
214 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
215 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
216 
217     Level: beginner
218 
219    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
220 
221 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
222 E*/
223 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
224 
225 /*E
226     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
227      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().
228 
229     Level: beginner
230 
231 .seealso: MatGetSeqNonzerostructure()
232 E*/
233 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
234 
235 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
236 
237 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
238 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
239 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
240 PETSC_EXTERN PetscErrorCode MatGetVecType(Mat,VecType*);
241 PETSC_EXTERN PetscErrorCode MatSetVecType(Mat,VecType);
242 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
243 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat,PetscObject,const char[]);
244 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
245 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
246 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
247 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
248 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
249 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
250 
251 PETSC_EXTERN PetscFunctionList MatList;
252 PETSC_EXTERN PetscFunctionList MatColoringList;
253 PETSC_EXTERN PetscFunctionList MatPartitioningList;
254 
255 /*E
256     MatStructure - Indicates if two matrices have the same nonzero structure
257 
258     Level: beginner
259 
260    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
261 
262 .seealso: MatCopy(), MatAXPY()
263 E*/
264 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;
265 
266 #if defined PETSC_HAVE_MKL_SPARSE
267 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
268 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
269 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
270 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
271 #endif
272 
273 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
274 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
275 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
276 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
277 
278 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
279 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
280 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
281 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
282 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
283 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
284 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
285 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
286 
287 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
288 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
289 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
290 
291 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
292 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
293 
294 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
295 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
296 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
297 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
298 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
299 
300 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
301 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
302 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
303 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
304 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
305 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
306 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
307 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
308 
309 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
310 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
311 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
312 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
313 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
314 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
315 typedef enum {MAT_COMPOSITE_MERGE_RIGHT,MAT_COMPOSITE_MERGE_LEFT} MatCompositeMergeType;
316 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat,MatCompositeMergeType);
317 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
318 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
319 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
320 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat,MatCompositeType*);
321 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat,MatStructure);
322 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat,MatStructure*);
323 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat,PetscInt*);
324 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
325 PETSC_EXTERN PetscErrorCode MatCompositeSetScalings(Mat,const PetscScalar*);
326 
327 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
328 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
329 
330 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
331 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
332 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
333 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
334 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
335 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
336 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
337 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar,Mat*);
338 
339 #if defined(PETSC_HAVE_HYPRE)
340 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
341 #endif
342 
343 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
344 
345 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
346 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
347 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
348 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
349 
350 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
351 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
352 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
353 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
354 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
355 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
356 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
357 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
358 
359 /* ------------------------------------------------------------*/
360 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
361 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
362 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
363 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
364 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
365 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
366 
367 /*S
368      MatStencil - Data structure (C struct) for storing information about a single row or
369         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
370 
371    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).
372    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.
373 
374    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
375 
376    Fortran usage is different, see MatSetValuesStencil() for details.
377 
378    Level: beginner
379 
380 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
381 S*/
382 typedef struct {
383   PetscInt k,j,i,c;
384 } MatStencil;
385 
386 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
387 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
388 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
389 
390 /*E
391     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
392      to continue to add or insert values to it
393 
394     Level: beginner
395 
396 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
397 E*/
398 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
399 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
400 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
401 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
402 
403 
404 
405 /*E
406     MatOption - Options that may be set for a matrix and its behavior or storage
407 
408     Level: beginner
409 
410    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
411    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
412 
413    Developer Notes:
414     Entries that are negative need not be called collectively by all processes.
415 
416 .seealso: MatSetOption()
417 E*/
418 typedef enum {MAT_OPTION_MIN = -3,
419               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
420               MAT_ROW_ORIENTED = -1,
421               MAT_SYMMETRIC = 1,
422               MAT_STRUCTURALLY_SYMMETRIC = 2,
423               MAT_NEW_DIAGONALS = 3,
424               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
425               MAT_USE_HASH_TABLE = 5,
426               MAT_KEEP_NONZERO_PATTERN = 6,
427               MAT_IGNORE_ZERO_ENTRIES = 7,
428               MAT_USE_INODES = 8,
429               MAT_HERMITIAN = 9,
430               MAT_SYMMETRY_ETERNAL = 10,
431               MAT_NEW_NONZERO_LOCATION_ERR = 11,
432               MAT_IGNORE_LOWER_TRIANGULAR = 12,
433               MAT_ERROR_LOWER_TRIANGULAR = 13,
434               MAT_GETROW_UPPERTRIANGULAR = 14,
435               MAT_SPD = 15,
436               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
437               MAT_NO_OFF_PROC_ENTRIES = 17,
438               MAT_NEW_NONZERO_LOCATIONS = 18,
439               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
440               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
441               MAT_SUBMAT_SINGLEIS = 21,
442               MAT_STRUCTURE_ONLY = 22,
443               MAT_SORTED_FULL = 23,
444               MAT_OPTION_MAX = 24} MatOption;
445 
446 PETSC_EXTERN const char *const *MatOptions;
447 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
448 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
449 PETSC_EXTERN PetscErrorCode MatPropagateSymmetryOptions(Mat,Mat);
450 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
451 
452 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
453 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
454 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
455 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
456 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
457 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
458 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
459 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayRead(Mat,const PetscScalar *[]);
460 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
461 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayRead(Mat,const PetscScalar *[]);
462 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
463 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
464 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
465 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
466 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
467 PETSC_EXTERN PetscErrorCode MatSeqBAIJGetArray(Mat,PetscScalar *[]);
468 PETSC_EXTERN PetscErrorCode MatSeqBAIJRestoreArray(Mat,PetscScalar *[]);
469 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
470 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
471 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
472 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
473 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
474 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
475 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
476 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
477 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWrite(Mat,PetscScalar *[]);
478 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWrite(Mat,PetscScalar *[]);
479 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
480 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
481 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
482 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
483 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
484 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
485 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
486 
487 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar*[]);
488 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar*[]);
489 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVec(Mat,PetscInt,Vec*);
490 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVec(Mat,PetscInt,Vec*);
491 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecRead(Mat,PetscInt,Vec*);
492 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecRead(Mat,PetscInt,Vec*);
493 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecWrite(Mat,PetscInt,Vec*);
494 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecWrite(Mat,PetscInt,Vec*);
495 
496 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
497 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
498 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
499 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
500 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
501 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
502 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
503 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
504 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
505 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
506 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
507 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
508 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
509 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
510 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
511 
512 /*E
513     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
514   its numerical values copied over or just its nonzero structure.
515 
516     Level: beginner
517 
518    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
519 
520 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
521 $                               with zeros for the numerical values.
522 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
523 $                               and with the same numerical values.
524 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
525 $                               and does not copy it, using zeros for the numerical values. The parent and
526 $                               child matrices will share their index (i and j) arrays, and you cannot
527 $                               insert new nonzero entries into either matrix.
528 
529 Notes:
530     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
531 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
532 
533 .seealso: MatDuplicate()
534 E*/
535 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
536 
537 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
538 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
539 
540 
541 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
542 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
543 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
544 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
545 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
546 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
547 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
548 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
549 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
550 
551 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
552 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
553 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
554 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
555 
556 /*S
557      MatInfo - Context of matrix information, used with MatGetInfo()
558 
559    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
560 
561    Level: intermediate
562 
563 .seealso:  MatGetInfo(), MatInfoType
564 S*/
565 typedef struct {
566   PetscLogDouble block_size;                         /* block size */
567   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
568   PetscLogDouble memory;                             /* memory allocated */
569   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
570   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
571   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
572   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
573 } MatInfo;
574 
575 /*E
576     MatInfoType - Indicates if you want information about the local part of the matrix,
577      the entire parallel matrix or the maximum over all the local parts.
578 
579     Level: beginner
580 
581    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
582 
583 .seealso: MatGetInfo(), MatInfo
584 E*/
585 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
586 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
587 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
588 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
589 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
590 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
591 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
592 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
593 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
594 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
595 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
596 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
597 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
598 
599 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
600 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
601 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
602 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
603 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
604 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
605 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
606 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
607 PETSC_EXTERN PetscErrorCode MatPtAPMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
608 PETSC_EXTERN PetscErrorCode MatRARtMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
609 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
610 
611 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
612 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
613 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
614 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
615 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
616 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
617 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
618 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
619 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
620 
621 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
622 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
623 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
624 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
625 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
626 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
627 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
628 
629 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
630 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);}
631 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
632 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);}
633 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
634 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
635 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
636 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);}
637 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
638 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
639 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
640 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
641 
642 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
643 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
644 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
645 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
646 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
647 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
648 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
649 
650 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
651 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
652 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
653 
654 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
655 
656 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
657 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
658 
659 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
660 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
661 
662 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
663 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
664 
665 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
666 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
667 
668 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
669 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
670 
671 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
672 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
673 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
674 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
675 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
676 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
677 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
678 PETSC_EXTERN PetscErrorCode MatGetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
679 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
680 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
681 
682 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
683 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
684 
685 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
686 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
687 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
688 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
689 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);}
690 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
691 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
692 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
693 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
694 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
695 
696 /*MC
697    MatSetValue - Set a single entry into a matrix.
698 
699    Not collective
700 
701    Synopsis:
702      #include <petscmat.h>
703      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
704 
705    Input Parameters:
706 +  m - the matrix
707 .  row - the row location of the entry
708 .  col - the column location of the entry
709 .  value - the value to insert
710 -  mode - either INSERT_VALUES or ADD_VALUES
711 
712    Notes:
713    For efficiency one should use MatSetValues() and set several or many
714    values simultaneously if possible.
715 
716    Level: beginner
717 
718 .seealso: MatSetValues(), MatSetValueLocal()
719 M*/
720 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
721 
722 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
723 
724 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
725 
726 /*MC
727    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
728        row in a matrix providing the data that one can use to correctly preallocate the matrix.
729 
730    Synopsis:
731    #include <petscmat.h>
732    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
733 
734    Collective
735 
736    Input Parameters:
737 +  comm - the communicator that will share the eventually allocated matrix
738 .  nrows - the number of LOCAL rows in the matrix
739 -  ncols - the number of LOCAL columns in the matrix
740 
741    Output Parameters:
742 +  dnz - the array that will be passed to the matrix preallocation routines
743 -  onz - the other array passed to the matrix preallocation routines
744 
745    Level: intermediate
746 
747    Notes:
748     See Users-Manual: ch_performance for more details.
749 
750    Do not malloc or free dnz and onz, that is handled internally by these routines
751 
752    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
753 
754 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
755           MatPreallocateSymmetricSetLocalBlock()
756 M*/
757 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
758 do { \
759   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
760   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
761   __start = 0; __end = __start;                                         \
762   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ncols;\
763   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows; \
764   do { } while(0)
765 
766 /*MC
767    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
768        inserted using a local number of the rows and columns
769 
770    Synopsis:
771    #include <petscmat.h>
772    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
773 
774    Not Collective
775 
776    Input Parameters:
777 +  map - the row mapping from local numbering to global numbering
778 .  nrows - the number of rows indicated
779 .  rows - the indices of the rows
780 .  cmap - the column mapping from local to global numbering
781 .  ncols - the number of columns in the matrix
782 .  cols - the columns indicated
783 .  dnz - the array that will be passed to the matrix preallocation routines
784 -  onz - the other array passed to the matrix preallocation routines
785 
786    Level: intermediate
787 
788    Notes:
789     See Users-Manual: ch_performance for more details.
790 
791    Do not malloc or free dnz and onz, that is handled internally by these routines
792 
793 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
794           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
795 M*/
796 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
797 do {\
798   PetscInt __l;\
799   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
800   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
801   for (__l=0;__l<nrows;__l++) {\
802     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
803   }\
804  } while (0)
805 
806 /*MC
807    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
808        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
809 
810    Synopsis:
811    #include <petscmat.h>
812    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
813 
814    Not Collective
815 
816    Input Parameters:
817 +  map - the row mapping from local numbering to global numbering
818 .  nrows - the number of rows indicated
819 .  rows - the indices of the rows (these values are mapped to the global values)
820 .  cmap - the column mapping from local to global numbering
821 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
822 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
823 .  dnz - the array that will be passed to the matrix preallocation routines
824 -  onz - the other array passed to the matrix preallocation routines
825 
826    Level: intermediate
827 
828    Notes:
829     See Users-Manual: ch_performance for more details.
830 
831    Do not malloc or free dnz and onz, that is handled internally by these routines
832 
833 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
834           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
835 M*/
836 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
837 do {\
838   PetscInt __l;\
839   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
840   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
841   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
842   for (__l=0;__l<nrows;__l++) {\
843     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
844   }\
845  } while (0)
846 
847 /*MC
848    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
849        inserted using a local number of the rows and columns
850 
851    Synopsis:
852    #include <petscmat.h>
853    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
854 
855    Not Collective
856 
857    Input Parameters:
858 +  map - the row mapping from local numbering to global numbering
859 .  nrows - the number of rows indicated
860 .  rows - the indices of the rows
861 .  cmap - the column mapping from local to global numbering
862 .  ncols - the number of columns in the matrix
863 .  cols - the columns indicated
864 .  dnz - the array that will be passed to the matrix preallocation routines
865 -  onz - the other array passed to the matrix preallocation routines
866 
867    Level: intermediate
868 
869    Notes:
870     See Users-Manual: ch_performance for more details.
871 
872    Do not malloc or free dnz and onz, that is handled internally by these routines
873 
874 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
875           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
876 M*/
877 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
878 do {\
879   PetscInt __l;\
880   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
881   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
882   for (__l=0;__l<nrows;__l++) {\
883     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
884   }\
885 } while (0)
886 
887 /*MC
888    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
889        inserted using a local number of the rows and columns
890 
891    Synopsis:
892    #include <petscmat.h>
893    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
894 
895    Not Collective
896 
897    Input Parameters:
898 +  map - the mapping between local numbering and global numbering
899 .  nrows - the number of rows indicated
900 .  rows - the indices of the rows
901 .  ncols - the number of columns in the matrix
902 .  cols - the columns indicated
903 .  dnz - the array that will be passed to the matrix preallocation routines
904 -  onz - the other array passed to the matrix preallocation routines
905 
906    Level: intermediate
907 
908    Notes:
909     See Users-Manual: ch_performance for more details.
910 
911    Do not malloc or free dnz and onz that is handled internally by these routines
912 
913 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
914           MatPreallocateInitialize(),  MatPreallocateSetLocal()
915 M*/
916 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
917 do {\
918   PetscInt __l;\
919   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
920   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
921   for (__l=0;__l<nrows;__l++) {\
922     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
923   }\
924 } while (0)
925 
926 /*MC
927    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
928        inserted using a local number of the rows and columns
929 
930    Synopsis:
931    #include <petscmat.h>
932    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
933 
934    Not Collective
935 
936    Input Parameters:
937 +  row - the row
938 .  ncols - the number of columns in the matrix
939 -  cols - the columns indicated
940 
941    Output Parameters:
942 +  dnz - the array that will be passed to the matrix preallocation routines
943 -  onz - the other array passed to the matrix preallocation routines
944 
945    Level: intermediate
946 
947    Notes:
948     See Users-Manual: ch_performance for more details.
949 
950    Do not malloc or free dnz and onz that is handled internally by these routines
951 
952    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
953 
954 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
955           MatPreallocateInitialize(), MatPreallocateSetLocal()
956 M*/
957 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
958 do { PetscInt __i; \
959   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);\
960   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);\
961   for (__i=0; __i<nc; __i++) {\
962     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
963     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
964   }\
965 } while (0)
966 
967 /*MC
968    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
969        inserted using a local number of the rows and columns
970 
971    Synopsis:
972    #include <petscmat.h>
973    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
974 
975    Not Collective
976 
977    Input Parameters:
978 +  nrows - the number of rows indicated
979 .  rows - the indices of the rows
980 .  ncols - the number of columns in the matrix
981 .  cols - the columns indicated
982 .  dnz - the array that will be passed to the matrix preallocation routines
983 -  onz - the other array passed to the matrix preallocation routines
984 
985    Level: intermediate
986 
987    Notes:
988     See Users-Manual: ch_performance for more details.
989 
990    Do not malloc or free dnz and onz that is handled internally by these routines
991 
992    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
993 
994 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
995           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
996 M*/
997 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
998 do { PetscInt __i; \
999   for (__i=0; __i<nc; __i++) {\
1000     if (cols[__i] >= __end) onz[row - __rstart]++; \
1001     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
1002   }\
1003 } while (0)
1004 
1005 /*MC
1006    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
1007 
1008    Synopsis:
1009    #include <petscmat.h>
1010    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
1011 
1012    Not Collective
1013 
1014    Input Parameters:
1015 +  A - matrix
1016 .  row - row where values exist (must be local to this process)
1017 .  ncols - number of columns
1018 .  cols - columns with nonzeros
1019 .  dnz - the array that will be passed to the matrix preallocation routines
1020 -  onz - the other array passed to the matrix preallocation routines
1021 
1022    Level: intermediate
1023 
1024    Notes:
1025     See Users-Manual: ch_performance for more details.
1026 
1027    Do not malloc or free dnz and onz that is handled internally by these routines
1028 
1029    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
1030 
1031 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1032           MatPreallocateSymmetricSetLocalBlock()
1033 M*/
1034 #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)
1035 
1036 
1037 /*MC
1038    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
1039        row in a matrix providing the data that one can use to correctly preallocate the matrix.
1040 
1041    Synopsis:
1042    #include <petscmat.h>
1043    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
1044 
1045    Collective
1046 
1047    Input Parameters:
1048 +  dnz - the array that was be passed to the matrix preallocation routines
1049 -  onz - the other array passed to the matrix preallocation routines
1050 
1051    Level: intermediate
1052 
1053    Notes:
1054     See Users-Manual: ch_performance for more details.
1055 
1056    Do not malloc or free dnz and onz that is handled internally by these routines
1057 
1058    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1059 
1060 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1061           MatPreallocateSymmetricSetLocalBlock()
1062 M*/
1063 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while(0)
1064 
1065 /* Routines unique to particular data structures */
1066 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1067 
1068 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1069 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1070 
1071 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1072 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1073 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1074 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1075 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1076 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1077 
1078 #define MAT_SKIP_ALLOCATION -4
1079 
1080 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1081 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1082 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1083 
1084 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1085 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1086 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1087 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1088 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1089 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1090 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1091 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1092 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1093 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1094 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1095 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1096 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1097 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1098 
1099 PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
1100 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1101 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1102 
1103 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1104 
1105 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1106 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1107 
1108 PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);
1109 
1110 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1111 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1112 /*
1113   These routines are not usually accessed directly, rather solving is
1114   done through the KSP and PC interfaces.
1115 */
1116 
1117 /*J
1118     MatOrderingType - String with the name of a PETSc matrix ordering
1119 
1120    Level: beginner
1121 
1122 .seealso: MatGetOrdering()
1123 J*/
1124 typedef const char* MatOrderingType;
1125 #define MATORDERINGNATURAL        "natural"
1126 #define MATORDERINGND             "nd"
1127 #define MATORDERING1WD            "1wd"
1128 #define MATORDERINGRCM            "rcm"
1129 #define MATORDERINGQMD            "qmd"
1130 #define MATORDERINGROWLENGTH      "rowlength"
1131 #define MATORDERINGWBM            "wbm"
1132 #define MATORDERINGSPECTRAL       "spectral"
1133 #define MATORDERINGAMD            "amd"            /* only works if UMFPACK is installed with PETSc */
1134 #define MATORDERINGNATURAL_OR_ND  "natural_or_nd"  /* special coase used for Cholesky and ICC, allows ND when AIJ matrix is used but Natural when SBAIJ is used */
1135 
1136 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1137 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1138 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1139 PETSC_EXTERN PetscFunctionList MatOrderingList;
1140 
1141 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1142 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1143 
1144 /*S
1145     MatFactorShiftType - Numeric Shift for factorizations
1146 
1147    Level: beginner
1148 
1149 .seealso: MatGetFactor()
1150 S*/
1151 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1152 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1153 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1154 
1155 /*S
1156     MatFactorError - indicates what type of error was generated in a matrix factorization
1157 
1158     Level: beginner
1159 
1160     Developer Notes:
1161     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1162 
1163 .seealso: MatGetFactor()
1164 S*/
1165 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1166 
1167 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1168 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1169 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1170 
1171 /*S
1172    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1173 
1174    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1175 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1176 
1177    Notes:
1178     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1179 
1180       You can use MatFactorInfoInitialize() to set default values.
1181 
1182    Level: developer
1183 
1184 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1185           MatFactorInfoInitialize()
1186 
1187 S*/
1188 typedef struct {
1189   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1190   PetscReal     usedt;
1191   PetscReal     dt;             /* drop tolerance */
1192   PetscReal     dtcol;          /* tolerance for pivoting */
1193   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1194   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1195   PetscReal     levels;         /* ICC/ILU(levels) */
1196   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1197                                    factorization may be faster if do not pivot */
1198   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1199   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1200   PetscReal     shiftamount;     /* how large the shift is */
1201 } MatFactorInfo;
1202 
1203 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1204 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1205 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1206 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1207 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1208 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1209 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1210 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1211 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1212 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1213 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1214 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1215 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1216 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1217 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1218 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1219 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1220 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1221 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1222 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1223 
1224 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1225 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1226 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1227 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1228 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1229 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1230 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1231 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1232 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1233 
1234 /*E
1235     MatSORType - What type of (S)SOR to perform
1236 
1237     Level: beginner
1238 
1239    May be bitwise ORd together
1240 
1241    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1242 
1243    MatSORType may be bitwise ORd together, so do not change the numbers
1244 
1245 .seealso: MatSOR()
1246 E*/
1247 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1248               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1249               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1250               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1251 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1252 
1253 /*
1254     These routines are for efficiently computing Jacobians via finite differences.
1255 */
1256 
1257 /*S
1258      MatColoring - Object for managing the coloring of matrices.
1259 
1260    Level: beginner
1261 
1262     Notes:
1263        Coloring of matrices can be computed directly from the sparse matrix nonzero structure via the MatColoring object or from the mesh from which the
1264        matrix comes from via DMCreateColoring(). In general using the mesh produces a more optimal coloring (fewer colors).
1265 
1266        Once a coloring is available MatFDColoringCreate() creates an object that can be used to efficiently compute Jacobians using that coloring. This
1267        same object can also be used to efficiently convert data created by Automatic Differentation tools to PETSc sparse matrices.
1268 
1269 .seealso:  MatFDColoringCreate(), MatColoringWeightType, ISColoring, MatFDColoring, DMCreateColoring(), MatColoringCreate(), MatOrdering, MatPartitioning
1270 S*/
1271 typedef struct _p_MatColoring* MatColoring;
1272 
1273 /*J
1274     MatColoringType - String with the name of a PETSc matrix coloring
1275 
1276    Level: beginner
1277 
1278 .seealso: MatColoringSetType(), MatColoring
1279 J*/
1280 typedef const  char*           MatColoringType;
1281 #define MATCOLORINGJP      "jp"
1282 #define MATCOLORINGPOWER   "power"
1283 #define MATCOLORINGNATURAL "natural"
1284 #define MATCOLORINGSL      "sl"
1285 #define MATCOLORINGLF      "lf"
1286 #define MATCOLORINGID      "id"
1287 #define MATCOLORINGGREEDY  "greedy"
1288 
1289 /*E
1290    MatColoringWeightType - Type of weight scheme
1291 
1292     Not Collective
1293 
1294 +   MAT_COLORING_RANDOM  - Random weights
1295 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1296 -   MAT_COLORING_LF      - Last-first weighting.
1297 
1298     Level: intermediate
1299 
1300    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1301 
1302 .seealso: MatColoring, MatColoringCreate()
1303 E*/
1304 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1305 
1306 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1307 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1308 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1309 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1310 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1311 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1312 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1313 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1314 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1315 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1316 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1317 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1318 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1319 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1320 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1321 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1322 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1323 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1324 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1325 
1326 /*S
1327      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1328         and coloring
1329 
1330    Level: beginner
1331 
1332    Notes:
1333       This object is creating utilizing a coloring provided by the MatColoring object or DMCreateColoring()
1334 
1335 .seealso:  MatFDColoringCreate(), MatColoring, DMCreateColoring()
1336 S*/
1337 typedef struct _p_MatFDColoring* MatFDColoring;
1338 
1339 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1340 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1341 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1342 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1343 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1344 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1345 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1346 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1347 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1348 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1349 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1350 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1351 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat,MatFDColoring,const PetscScalar*);
1352 
1353 /*S
1354      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1355 
1356    Level: beginner
1357 
1358 .seealso:  MatTransposeColoringCreate()
1359 S*/
1360 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1361 
1362 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1363 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1364 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1365 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1366 
1367 /*
1368     These routines are for partitioning matrices: currently used only
1369   for adjacency matrix, MatCreateMPIAdj().
1370 */
1371 
1372 /*S
1373      MatPartitioning - Object for managing the partitioning of a matrix or graph
1374 
1375    Level: beginner
1376 
1377    Notes:
1378      There is also a PetscPartitioner object that provides the same functionality. It can utilize the MatPartitioning operations
1379      via PetscPartitionerSetType(p,PETSCPARTITIONERMATPARTITIONING)
1380 
1381    Developers Note:
1382      It is an extra maintainance and documentation cost to have two objects with the same functionality.
1383 
1384 .seealso:  MatPartitioningCreate(), MatPartitioningType, MatColoring, MatGetOrdering()
1385 S*/
1386 typedef struct _p_MatPartitioning* MatPartitioning;
1387 
1388 /*J
1389     MatPartitioningType - String with the name of a PETSc matrix partitioning
1390 
1391    Level: beginner
1392 dm
1393 .seealso: MatPartitioningCreate(), MatPartitioning
1394 J*/
1395 typedef const char* MatPartitioningType;
1396 #define MATPARTITIONINGCURRENT  "current"
1397 #define MATPARTITIONINGAVERAGE   "average"
1398 #define MATPARTITIONINGSQUARE   "square"
1399 #define MATPARTITIONINGPARMETIS "parmetis"
1400 #define MATPARTITIONINGCHACO    "chaco"
1401 #define MATPARTITIONINGPARTY    "party"
1402 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1403 #define MATPARTITIONINGHIERARCH  "hierarch"
1404 
1405 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1406 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1407 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1408 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1409 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1410 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1411 PETSC_EXTERN PetscErrorCode MatPartitioningSetUseEdgeWeights(MatPartitioning,PetscBool);
1412 PETSC_EXTERN PetscErrorCode MatPartitioningGetUseEdgeWeights(MatPartitioning,PetscBool*);
1413 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1414 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1415 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1416 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1417 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1418 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1419 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1420 PETSC_EXTERN PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning,PetscObject,const char[]);
1421 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1422 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1423 
1424 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1425 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1426 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1427 
1428 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1429 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1430 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1431 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1432 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1433 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1434 
1435 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1436 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1437 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1438 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1439 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1440 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1441 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1442 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1443 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1444 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1445 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1446 
1447 #define MP_PARTY_OPT "opt"
1448 #define MP_PARTY_LIN "lin"
1449 #define MP_PARTY_SCA "sca"
1450 #define MP_PARTY_RAN "ran"
1451 #define MP_PARTY_GBF "gbf"
1452 #define MP_PARTY_GCF "gcf"
1453 #define MP_PARTY_BUB "bub"
1454 #define MP_PARTY_DEF "def"
1455 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1456 #define MP_PARTY_HELPFUL_SETS "hs"
1457 #define MP_PARTY_KERNIGHAN_LIN "kl"
1458 #define MP_PARTY_NONE "no"
1459 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1460 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1461 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1462 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1463 
1464 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1465 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1466 
1467 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1468 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1469 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1470 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1471 
1472 /*
1473  * hierarchical partitioning
1474  */
1475 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1476 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1477 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1478 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1479 
1480 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1481 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1482 
1483 /*
1484     If you add entries here you must also add them to include/petscmat.h
1485     and src/mat/f90-mod/petscmat.h
1486 */
1487 typedef enum { MATOP_SET_VALUES=0,
1488                MATOP_GET_ROW=1,
1489                MATOP_RESTORE_ROW=2,
1490                MATOP_MULT=3,
1491                MATOP_MULT_ADD=4,
1492                MATOP_MULT_TRANSPOSE=5,
1493                MATOP_MULT_TRANSPOSE_ADD=6,
1494                MATOP_SOLVE=7,
1495                MATOP_SOLVE_ADD=8,
1496                MATOP_SOLVE_TRANSPOSE=9,
1497                MATOP_SOLVE_TRANSPOSE_ADD=10,
1498                MATOP_LUFACTOR=11,
1499                MATOP_CHOLESKYFACTOR=12,
1500                MATOP_SOR=13,
1501                MATOP_TRANSPOSE=14,
1502                MATOP_GETINFO=15,
1503                MATOP_EQUAL=16,
1504                MATOP_GET_DIAGONAL=17,
1505                MATOP_DIAGONAL_SCALE=18,
1506                MATOP_NORM=19,
1507                MATOP_ASSEMBLY_BEGIN=20,
1508                MATOP_ASSEMBLY_END=21,
1509                MATOP_SET_OPTION=22,
1510                MATOP_ZERO_ENTRIES=23,
1511                MATOP_ZERO_ROWS=24,
1512                MATOP_LUFACTOR_SYMBOLIC=25,
1513                MATOP_LUFACTOR_NUMERIC=26,
1514                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1515                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1516                MATOP_SETUP_PREALLOCATION=29,
1517                MATOP_ILUFACTOR_SYMBOLIC=30,
1518                MATOP_ICCFACTOR_SYMBOLIC=31,
1519                MATOP_GET_DIAGONAL_BLOCK=32,
1520                MATOP_FREE_INTER_STRUCT=33,
1521                MATOP_DUPLICATE=34,
1522                MATOP_FORWARD_SOLVE=35,
1523                MATOP_BACKWARD_SOLVE=36,
1524                MATOP_ILUFACTOR=37,
1525                MATOP_ICCFACTOR=38,
1526                MATOP_AXPY=39,
1527                MATOP_CREATE_SUBMATRICES=40,
1528                MATOP_INCREASE_OVERLAP=41,
1529                MATOP_GET_VALUES=42,
1530                MATOP_COPY=43,
1531                MATOP_GET_ROW_MAX=44,
1532                MATOP_SCALE=45,
1533                MATOP_SHIFT=46,
1534                MATOP_DIAGONAL_SET=47,
1535                MATOP_ZERO_ROWS_COLUMNS=48,
1536                MATOP_SET_RANDOM=49,
1537                MATOP_GET_ROW_IJ=50,
1538                MATOP_RESTORE_ROW_IJ=51,
1539                MATOP_GET_COLUMN_IJ=52,
1540                MATOP_RESTORE_COLUMN_IJ=53,
1541                MATOP_FDCOLORING_CREATE=54,
1542                MATOP_COLORING_PATCH=55,
1543                MATOP_SET_UNFACTORED=56,
1544                MATOP_PERMUTE=57,
1545                MATOP_SET_VALUES_BLOCKED=58,
1546                MATOP_CREATE_SUBMATRIX=59,
1547                MATOP_DESTROY=60,
1548                MATOP_VIEW=61,
1549                MATOP_CONVERT_FROM=62,
1550                MATOP_MATMAT_MULT=63,
1551                MATOP_MATMAT_MULT_SYMBOLIC=64,
1552                MATOP_MATMAT_MULT_NUMERIC=65,
1553                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1554                MATOP_SET_VALUES_LOCAL=67,
1555                MATOP_ZERO_ROWS_LOCAL=68,
1556                MATOP_GET_ROW_MAX_ABS=69,
1557                MATOP_GET_ROW_MIN_ABS=70,
1558                MATOP_CONVERT=71,
1559                MATOP_SET_COLORING=72,
1560                /* MATOP_PLACEHOLDER_73=73, */
1561                MATOP_SET_VALUES_ADIFOR=74,
1562                MATOP_FD_COLORING_APPLY=75,
1563                MATOP_SET_FROM_OPTIONS=76,
1564                MATOP_MULT_CONSTRAINED=77,
1565                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1566                MATOP_FIND_ZERO_DIAGONALS=79,
1567                MATOP_MULT_MULTIPLE=80,
1568                MATOP_SOLVE_MULTIPLE=81,
1569                MATOP_GET_INERTIA=82,
1570                MATOP_LOAD=83,
1571                MATOP_IS_SYMMETRIC=84,
1572                MATOP_IS_HERMITIAN=85,
1573                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1574                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1575                MATOP_CREATE_VECS=88,
1576                MATOP_MAT_MULT=89,
1577                MATOP_MAT_MULT_SYMBOLIC=90,
1578                MATOP_MAT_MULT_NUMERIC=91,
1579                MATOP_PTAP=92,
1580                MATOP_PTAP_SYMBOLIC=93,
1581                MATOP_PTAP_NUMERIC=94,
1582                MATOP_MAT_TRANSPOSE_MULT=95,
1583                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1584                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1585                /* MATOP_PLACEHOLDER_98=98, */
1586                MATOP_PRODUCTSETFROMOPTIONS=99,
1587                MATOP_PRODUCTSYMBOLIC=100,
1588                MATOP_PRODUCTNUMERIC=101,
1589                MATOP_CONJUGATE=102,
1590                /* MATOP_PLACEHOLDER_103=103, */
1591                MATOP_SET_VALUES_ROW=104,
1592                MATOP_REAL_PART=105,
1593                MATOP_IMAGINARY_PART=106,
1594                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1595                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1596                MATOP_MAT_SOLVE=109,
1597                MATOP_MAT_SOLVE_TRANSPOSE=110,
1598                MATOP_GET_ROW_MIN=111,
1599                MATOP_GET_COLUMN_VECTOR=112,
1600                MATOP_MISSING_DIAGONAL=113,
1601                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1602                MATOP_CREATE=115,
1603                MATOP_GET_GHOSTS=116,
1604                MATOP_GET_LOCAL_SUB_MATRIX=117,
1605                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1606                MATOP_MULT_DIAGONAL_BLOCK=119,
1607                MATOP_HERMITIAN_TRANSPOSE=120,
1608                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1609                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1610                MATOP_GET_MULTI_PROC_BLOCK=123,
1611                MATOP_FIND_NONZERO_ROWS=124,
1612                MATOP_GET_COLUMN_NORMS=125,
1613                MATOP_INVERT_BLOCK_DIAGONAL=126,
1614                /* MATOP_PLACEHOLDER_127=127, */
1615                MATOP_CREATE_SUB_MATRICES_MPI=128,
1616                MATOP_SET_VALUES_BATCH=129,
1617                MATOP_TRANSPOSE_MAT_MULT=130,
1618                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1619                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1620                MATOP_TRANSPOSE_COLORING_CREAT=133,
1621                MATOP_TRANS_COLORING_APPLY_SPT=134,
1622                MATOP_TRANS_COLORING_APPLY_DEN=135,
1623                MATOP_RART=136,
1624                MATOP_RART_SYMBOLIC=137,
1625                MATOP_RART_NUMERIC=138,
1626                MATOP_SET_BLOCK_SIZES=139,
1627                MATOP_AYPX=140,
1628                MATOP_RESIDUAL=141,
1629                MATOP_FDCOLORING_SETUP=142,
1630                MATOP_MPICONCATENATESEQ=144,
1631                MATOP_DESTROYSUBMATRICES=145,
1632                MATOP_TRANSPOSE_SOLVE=146,
1633                MATOP_GET_VALUES_LOCAL=147
1634              } MatOperation;
1635 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1636 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1637 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool*);
1638 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool*);
1639 PETSC_EXTERN PetscErrorCode MatFreeIntermediateDataStructures(Mat);
1640 
1641 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1642 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1643 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1644 PETSC_EXTERN PetscErrorCode MatShellSetVecType(Mat,VecType);
1645 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1646 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1647 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1648 
1649 /*
1650    Codes for matrices stored on disk. By default they are
1651    stored in a universal format. By changing the format with
1652    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1653    be stored in a way natural for the matrix, for example dense matrices
1654    would be stored as dense. Matrices stored this way may only be
1655    read into matrices of the same type.
1656 */
1657 #define MATRIX_BINARY_FORMAT_DENSE -1
1658 
1659 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1660 
1661 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1662 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1663 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1664 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1665 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1666 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1667 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1668 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1669 
1670 /*S
1671      MatNullSpace - Object that removes a null space from a vector, i.e.
1672          orthogonalizes the vector to a subsapce
1673 
1674    Level: advanced
1675 
1676   Users manual sections:
1677 .   sec_singular
1678 
1679 .seealso:  MatNullSpaceCreate()
1680 S*/
1681 typedef struct _p_MatNullSpace* MatNullSpace;
1682 
1683 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1684 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1685 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1686 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1687 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1688 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1689 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1690 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1691 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1692 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1693 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1694 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1695 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1696 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1697 
1698 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1699 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1700 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1701 PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);
1702 
1703 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1704 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1705 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1706 
1707 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1708 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1709 
1710 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1711 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1712 
1713 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat,PetscInt,PetscInt,const PetscScalar[],const PetscScalar[],Mat*);
1714 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat,Mat*);
1715 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat,PetscInt*,PetscInt*,PetscScalar**);
1716 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1717 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat,PetscScalar**);
1718 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat,const PetscScalar**);
1719 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat,PetscInt*,PetscInt*,PetscScalar**);
1720 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1721 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat,PetscScalar**);
1722 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat,const PetscScalar**);
1723 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat,Mat);
1724 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat,PetscInt,PetscInt,const PetscScalar[]);
1725 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat,PetscInt,PetscInt,const PetscScalar[]);
1726 PETSC_EXTERN PetscErrorCode MatKAIJGetScaledIdentity(Mat,PetscBool*);
1727 
1728 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1729 
1730 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1731 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1732 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1733 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1734 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1735 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1736 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1737 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1738 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1739 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1740 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1741 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1742 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1743 
1744 /*S
1745     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1746               Jacobian vector products
1747 
1748     Notes:
1749     MATMFFD is a specific MatType which uses the MatMFFD data structure
1750 
1751            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1752 
1753     Level: developer
1754 
1755 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1756 S*/
1757 typedef struct _p_MatMFFD* MatMFFD;
1758 
1759 /*J
1760     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1761 
1762    Level: beginner
1763 
1764 .seealso: MatMFFDSetType(), MatMFFDRegister()
1765 J*/
1766 typedef const char* MatMFFDType;
1767 #define MATMFFD_DS  "ds"
1768 #define MATMFFD_WP  "wp"
1769 
1770 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1771 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1772 
1773 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1774 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );
1775 
1776 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1777 
1778 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1779 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1780 
1781 /*
1782    PETSc interface to MUMPS
1783 */
1784 #ifdef PETSC_HAVE_MUMPS
1785 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1786 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1787 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1788 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1789 
1790 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1791 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1792 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1793 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1794 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1795 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1796 #endif
1797 
1798 /*
1799    PETSc interface to Mkl_Pardiso
1800 */
1801 #ifdef PETSC_HAVE_MKL_PARDISO
1802 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1803 #endif
1804 
1805 /*
1806    PETSc interface to Mkl_CPardiso
1807 */
1808 #ifdef PETSC_HAVE_MKL_CPARDISO
1809 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1810 #endif
1811 
1812 /*
1813    PETSc interface to SUPERLU
1814 */
1815 #ifdef PETSC_HAVE_SUPERLU
1816 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1817 #endif
1818 
1819 /*
1820    PETSc interface to SUPERLU_DIST
1821 */
1822 #ifdef PETSC_HAVE_SUPERLU_DIST
1823 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1824 #endif
1825 
1826 /*
1827    PETSc interface to STRUMPACK
1828 */
1829 #ifdef PETSC_HAVE_STRUMPACK
1830 /*E
1831     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1832 
1833     Level: intermediate
1834 E*/
1835 typedef enum {MAT_STRUMPACK_NATURAL=0,
1836               MAT_STRUMPACK_METIS=1,
1837               MAT_STRUMPACK_PARMETIS=2,
1838               MAT_STRUMPACK_SCOTCH=3,
1839               MAT_STRUMPACK_PTSCOTCH=4,
1840               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1841 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1842 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1843 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1844 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1845 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1846 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1847 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1848 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1849 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1850 #endif
1851 
1852 
1853 PETSC_EXTERN PetscErrorCode MatBindToCPU(Mat,PetscBool);
1854 PETSC_DEPRECATED_FUNCTION("Use MatBindToCPU (since v3.13)") PETSC_STATIC_INLINE PetscErrorCode MatPinToCPU(Mat A,PetscBool flg) {return MatBindToCPU(A,flg);}
1855 
1856 #ifdef PETSC_HAVE_CUDA
1857 /*E
1858     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1859     matrices.
1860 
1861     Not Collective
1862 
1863 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1864 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1865 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1866 
1867     Level: intermediate
1868 
1869    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1870 
1871 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1872 E*/
1873 
1874 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1875 
1876 /* these will be strings associated with enumerated type defined above */
1877 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1878 
1879 /*E
1880     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1881     matrices whose operation should use a particular storage format.
1882 
1883     Not Collective
1884 
1885 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1886 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1887 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1888 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1889 
1890     Level: intermediate
1891 
1892 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1893 E*/
1894 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1895 
1896 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1897 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1898 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1899 
1900 PETSC_EXTERN PetscErrorCode MatCreateDenseCUDA(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
1901 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseCUDA(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
1902 PETSC_EXTERN PetscErrorCode MatMPIDenseCUDASetPreallocation(Mat,PetscScalar[]);
1903 PETSC_EXTERN PetscErrorCode MatSeqDenseCUDASetPreallocation(Mat,PetscScalar[]);
1904 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayWrite(Mat,PetscScalar**);
1905 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayRead(Mat,const PetscScalar**);
1906 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArray(Mat,PetscScalar**);
1907 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayWrite(Mat,PetscScalar**);
1908 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayRead(Mat,const PetscScalar**);
1909 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArray(Mat,PetscScalar**);
1910 PETSC_EXTERN PetscErrorCode MatDenseCUDAPlaceArray(Mat,const PetscScalar*);
1911 PETSC_EXTERN PetscErrorCode MatDenseCUDAResetArray(Mat);
1912 #endif
1913 
1914 #if defined(PETSC_HAVE_VIENNACL)
1915 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1916 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1917 #endif
1918 
1919 /*
1920    PETSc interface to FFTW
1921 */
1922 #if defined(PETSC_HAVE_FFTW)
1923 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1924 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1925 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1926 #endif
1927 
1928 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1929 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1930 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1931 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1932 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1933 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1934 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1935 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1936 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
1937 
1938 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1939 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
1940 
1941 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
1942 
1943 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
1944 
1945 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
1946 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
1947 
1948 #endif
1949