xref: /petsc/include/petscmat.h (revision b3f11779ecdcfe0b7a5255cf01098d18b12a4448)
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 MATAIJKOKKOS       "aijkokkos"
44 #define MATSEQAIJKOKKOS    "seqaijkokkos"
45 #define MATMPIAIJKOKKOS    "mpiaijkokkos"
46 #define MATAIJVIENNACL     "aijviennacl"
47 #define MATSEQAIJVIENNACL  "seqaijviennacl"
48 #define MATMPIAIJVIENNACL  "mpiaijviennacl"
49 #define MATAIJPERM         "aijperm"
50 #define MATSEQAIJPERM      "seqaijperm"
51 #define MATMPIAIJPERM      "mpiaijperm"
52 #define MATAIJSELL         "aijsell"
53 #define MATSEQAIJSELL      "seqaijsell"
54 #define MATMPIAIJSELL      "mpiaijsell"
55 #define MATAIJMKL          "aijmkl"
56 #define MATSEQAIJMKL       "seqaijmkl"
57 #define MATMPIAIJMKL       "mpiaijmkl"
58 #define MATBAIJMKL         "baijmkl"
59 #define MATSEQBAIJMKL      "seqbaijmkl"
60 #define MATMPIBAIJMKL      "mpibaijmkl"
61 #define MATSHELL           "shell"
62 #define MATDENSE           "dense"
63 #define MATDENSECUDA       "densecuda"
64 #define MATSEQDENSE        "seqdense"
65 #define MATSEQDENSECUDA    "seqdensecuda"
66 #define MATMPIDENSE        "mpidense"
67 #define MATMPIDENSECUDA    "mpidensecuda"
68 #define MATELEMENTAL       "elemental"
69 #define MATSCALAPACK       "scalapack"
70 #define MATBAIJ            "baij"
71 #define MATSEQBAIJ         "seqbaij"
72 #define MATMPIBAIJ         "mpibaij"
73 #define MATMPIADJ          "mpiadj"
74 #define MATSBAIJ           "sbaij"
75 #define MATSEQSBAIJ        "seqsbaij"
76 #define MATMPISBAIJ        "mpisbaij"
77 #define MATMFFD            "mffd"
78 #define MATNORMAL          "normal"
79 #define MATNORMALHERMITIAN "normalh"
80 #define MATLRC             "lrc"
81 #define MATSCATTER         "scatter"
82 #define MATBLOCKMAT        "blockmat"
83 #define MATCOMPOSITE       "composite"
84 #define MATFFT             "fft"
85 #define MATFFTW            "fftw"
86 #define MATSEQCUFFT        "seqcufft"
87 #define MATTRANSPOSEMAT    "transpose"
88 #define MATSCHURCOMPLEMENT "schurcomplement"
89 #define MATPYTHON          "python"
90 #define MATHYPRE           "hypre"
91 #define MATHYPRESTRUCT     "hyprestruct"
92 #define MATHYPRESSTRUCT    "hypresstruct"
93 #define MATSUBMATRIX       "submatrix"
94 #define MATLOCALREF        "localref"
95 #define MATNEST            "nest"
96 #define MATPREALLOCATOR    "preallocator"
97 #define MATSELL            "sell"
98 #define MATSEQSELL         "seqsell"
99 #define MATMPISELL         "mpisell"
100 #define MATDUMMY           "dummy"
101 #define MATLMVM            "lmvm"
102 #define MATLMVMDFP         "lmvmdfp"
103 #define MATLMVMBFGS        "lmvmbfgs"
104 #define MATLMVMSR1         "lmvmsr1"
105 #define MATLMVMBROYDEN     "lmvmbroyden"
106 #define MATLMVMBADBROYDEN  "lmvmbadbroyden"
107 #define MATLMVMSYMBROYDEN  "lmvmsymbroyden"
108 #define MATLMVMSYMBADBROYDEN "lmvmsymbadbroyden"
109 #define MATLMVMDIAGBROYDEN   "lmvmdiagbroyden"
110 #define MATCONSTANTDIAGONAL  "constantdiagonal"
111 #define MATHARA              "hara"
112 
113 /*J
114     MatSolverType - String with the name of a PETSc matrix solver type.
115 
116     For example: "petsc" indicates what PETSc provides, "superlu_dist" the parallel SuperLU_DIST package etc
117 
118    Level: beginner
119 
120    Notes:  MATSOLVERUMFPACK, MATSOLVERCHOLMOD, MATSOLVERKLU, MATSOLVERSPQR form the SuiteSparse package for which you can use --download-suitesparse
121 
122 .seealso: MatGetFactor(), PCFactorSetMatSolverType(), PCFactorGetMatSolverType()
123 J*/
124 typedef const char* MatSolverType;
125 #define MATSOLVERSUPERLU          "superlu"
126 #define MATSOLVERSUPERLU_DIST     "superlu_dist"
127 #define MATSOLVERSTRUMPACK        "strumpack"
128 #define MATSOLVERUMFPACK          "umfpack"
129 #define MATSOLVERCHOLMOD          "cholmod"
130 #define MATSOLVERKLU              "klu"
131 #define MATSOLVERSPARSEELEMENTAL  "sparseelemental"
132 #define MATSOLVERELEMENTAL        "elemental"
133 #define MATSOLVERSCALAPACK        "scalapack"
134 #define MATSOLVERESSL             "essl"
135 #define MATSOLVERLUSOL            "lusol"
136 #define MATSOLVERMUMPS            "mumps"
137 #define MATSOLVERMKL_PARDISO      "mkl_pardiso"
138 #define MATSOLVERMKL_CPARDISO     "mkl_cpardiso"
139 #define MATSOLVERPASTIX           "pastix"
140 #define MATSOLVERMATLAB           "matlab"
141 #define MATSOLVERPETSC            "petsc"
142 #define MATSOLVERBAS              "bas"
143 #define MATSOLVERCUSPARSE         "cusparse"
144 #define MATSOLVERCUSPARSEBAND     "cusparseband"
145 #define MATSOLVERCUDA             "cuda"
146 #define MATSOLVERKOKKOS           "kokkos"
147 #define MATSOLVERKOKKOSDEVICE     "kokkosdevice"
148 
149 /*E
150     MatFactorType - indicates what type of factorization is requested
151 
152     Level: beginner
153 
154    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
155 
156 .seealso: MatSolverType, MatGetFactor(), MatGetFactorAvailable(), MatSolverTypeRegister()
157 E*/
158 typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC, MAT_FACTOR_ILUDT, MAT_FACTOR_QR, MAT_FACTOR_NUM_TYPES} MatFactorType;
159 PETSC_EXTERN const char *const MatFactorTypes[];
160 
161 PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,MatSolverType,MatFactorType,Mat*);
162 PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,MatSolverType,MatFactorType,PetscBool *);
163 PETSC_EXTERN PetscErrorCode MatFactorGetCanUseOrdering(Mat, PetscBool*);
164 PETSC_DEPRECATED_FUNCTION("Use MatFactorGetCanUseOrdering() (since version 3.15)") PETSC_STATIC_INLINE PetscErrorCode MatFactorGetUseOrdering(Mat A,PetscBool *b) {return MatFactorGetCanUseOrdering(A,b);}
165 PETSC_EXTERN PetscErrorCode MatFactorGetSolverType(Mat,MatSolverType*);
166 PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);
167 PETSC_EXTERN PetscErrorCode MatSetFactorType(Mat,MatFactorType);
168 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*MatSolverFunction)(Mat,MatFactorType,Mat*);
169 PETSC_EXTERN PetscErrorCode MatSolverTypeRegister(MatSolverType,MatType,MatFactorType,MatSolverFunction);
170 PETSC_EXTERN PetscErrorCode MatSolverTypeGet(MatSolverType,MatType,MatFactorType,PetscBool*,PetscBool*,MatSolverFunction*);
171 typedef MatSolverType MatSolverPackage PETSC_DEPRECATED_TYPEDEF("Use MatSolverType (since version 3.9)");
172 PETSC_DEPRECATED_FUNCTION("Use MatSolverTypeRegister() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageRegister(MatSolverType stype,MatType mtype,MatFactorType ftype,MatSolverFunction f)
173 { return MatSolverTypeRegister(stype,mtype,ftype,f); }
174 PETSC_DEPRECATED_FUNCTION("Use MatSolverTypeGet() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSolverPackageGet(MatSolverType stype,MatType mtype,MatFactorType ftype,PetscBool *foundmtype,PetscBool *foundstype,MatSolverFunction *f)
175 { return MatSolverTypeGet(stype,mtype,ftype,foundmtype,foundstype,f); }
176 
177 /*E
178     MatProductType - indicates what type of matrix product is requested
179 
180     Level: beginner
181 
182 .seealso: MatSolverType, MatProductSetType()
183 E*/
184 typedef enum {MATPRODUCT_UNSPECIFIED=0,MATPRODUCT_AB,MATPRODUCT_AtB,MATPRODUCT_ABt,MATPRODUCT_PtAP,MATPRODUCT_RARt,MATPRODUCT_ABC} MatProductType;
185 PETSC_EXTERN const char *const MatProductTypes[];
186 
187 /*J
188     MatProductAlgorithm - String with the name of an algorithm for a PETSc matrix product implementation
189 
190    Level: beginner
191 
192 .seealso: MatSetType(), Mat, MatSolverType, MatRegister(), MatProductSetAlgorithm(), MatProductType
193 J*/
194 typedef const char* MatProductAlgorithm;
195 #define MATPRODUCTALGORITHM_DEFAULT "default"
196 
197 PETSC_EXTERN PetscErrorCode MatProductCreate(Mat,Mat,Mat,Mat*);
198 PETSC_EXTERN PetscErrorCode MatProductCreateWithMat(Mat,Mat,Mat,Mat);
199 PETSC_EXTERN PetscErrorCode MatProductSetType(Mat,MatProductType);
200 PETSC_EXTERN PetscErrorCode MatProductSetAlgorithm(Mat,MatProductAlgorithm);
201 PETSC_EXTERN PetscErrorCode MatProductSetFill(Mat,PetscReal);
202 PETSC_EXTERN PetscErrorCode MatProductSetFromOptions(Mat);
203 PETSC_EXTERN PetscErrorCode MatProductSymbolic(Mat);
204 PETSC_EXTERN PetscErrorCode MatProductNumeric(Mat);
205 PETSC_EXTERN PetscErrorCode MatProductReplaceMats(Mat,Mat,Mat,Mat);
206 PETSC_EXTERN PetscErrorCode MatProductClear(Mat);
207 PETSC_EXTERN PetscErrorCode MatProductView(Mat,PetscViewer);
208 
209 /* Logging support */
210 #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
211 PETSC_EXTERN PetscClassId MAT_CLASSID;
212 PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
213 PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
214 PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
215 PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
216 PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
217 PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
218 PETSC_EXTERN PetscClassId MATMFFD_CLASSID;
219 
220 /*E
221     MatReuse - Indicates if matrices obtained from a previous call to MatCreateSubMatrices(), MatCreateSubMatrix(), MatConvert() or several other functions
222      are to be reused to store the new matrix values.
223 
224 $  MAT_INITIAL_MATRIX - create a new matrix
225 $  MAT_REUSE_MATRIX - reuse the matrix created with a previous call that used MAT_INITIAL_MATRIX
226 $  MAT_INPLACE_MATRIX - replace the first input matrix with the new matrix (not applicable to all functions)
227 $  MAT_IGNORE_MATRIX - do not create a new matrix or reuse a give matrix, just ignore that matrix argument (not applicable to all functions)
228 
229     Level: beginner
230 
231    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
232 
233 .seealso: MatCreateSubMatrices(), MatCreateSubMatrix(), MatDestroyMatrices(), MatConvert()
234 E*/
235 typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX,MAT_INPLACE_MATRIX} MatReuse;
236 
237 /*E
238     MatCreateSubMatrixOption - Indicates if matrices obtained from a call to MatCreateSubMatrices()
239      include the matrix values. Currently it is only used by MatGetSeqNonzeroStructure().
240 
241     Level: beginner
242 
243 .seealso: MatGetSeqNonzeroStructure()
244 E*/
245 typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatCreateSubMatrixOption;
246 
247 PETSC_EXTERN PetscErrorCode MatInitializePackage(void);
248 
249 PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
250 PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
251 PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
252 PETSC_EXTERN PetscErrorCode MatGetVecType(Mat,VecType*);
253 PETSC_EXTERN PetscErrorCode MatSetVecType(Mat,VecType);
254 PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
255 PETSC_EXTERN PetscErrorCode MatViewFromOptions(Mat,PetscObject,const char[]);
256 PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
257 PETSC_EXTERN PetscErrorCode MatRegisterRootName(const char[],const char[],const char[]);
258 PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
259 PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
260 PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);
261 PETSC_EXTERN PetscErrorCode MatSetErrorIfFailure(Mat,PetscBool);
262 
263 PETSC_EXTERN PetscFunctionList MatList;
264 PETSC_EXTERN PetscFunctionList MatColoringList;
265 PETSC_EXTERN PetscFunctionList MatPartitioningList;
266 
267 /*E
268     MatStructure - Indicates if two matrices have the same nonzero structure
269 
270     Level: beginner
271 
272 $  SAME_NONZERO_PATTERN  - the two matrices have identical nonzero patterns
273 $  DIFFERENT_NONZERO_PATTERN - the two matrices may have different nonzero patterns
274 $  SUBSET_NONZERO_PATTERN - the nonzero pattern of the second matrix is a subset of the nonzero pattern of the first matrix
275 $  UNKNOWN_NONZERO_PATTERN - there is no known relationship between the nonzero patterns. In this case the implementations may try to detect a relationship to optimize the operation
276 
277    Developer Notes:
278      Any additions/changes here MUST also be made in src/mat/f90-mod/petscmat.h
279 
280 .seealso: MatCopy(), MatAXPY(), MatAYPX()
281 E*/
282 typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN,UNKNOWN_NONZERO_PATTERN} MatStructure;
283 PETSC_EXTERN const char *const MatStructures[];
284 
285 #if defined PETSC_HAVE_MKL_SPARSE
286 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
287 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
288 PETSC_EXTERN PetscErrorCode MatCreateBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
289 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJMKL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
290 #endif
291 
292 PETSC_EXTERN PetscErrorCode MatCreateSeqSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
293 PETSC_EXTERN PetscErrorCode MatCreateSELL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
294 PETSC_EXTERN PetscErrorCode MatSeqSELLSetPreallocation(Mat,PetscInt,const PetscInt[]);
295 PETSC_EXTERN PetscErrorCode MatMPISELLSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
296 
297 PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
298 PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
299 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
300 PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
301 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
302 PETSC_EXTERN PetscErrorCode MatUpdateMPIAIJWithArrays(Mat,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
303 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);
304 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSeqAIJ(MPI_Comm,Mat,Mat,const PetscInt[],Mat*);
305 
306 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
307 PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
308 PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);
309 
310 PETSC_EXTERN PetscErrorCode MatSetPreallocationCOO(Mat,PetscInt,const PetscInt[],const PetscInt[]);
311 PETSC_EXTERN PetscErrorCode MatSetValuesCOO(Mat,const PetscScalar[],InsertMode);
312 
313 PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
314 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
315 
316 PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
317 PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
318 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
319 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
320 PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);
321 
322 PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
323 PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
324 PETSC_EXTERN PetscErrorCode MatCreateNormalHermitian(Mat,Mat*);
325 PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Vec,Mat,Mat*);
326 PETSC_EXTERN PetscErrorCode MatLRCGetMats(Mat,Mat*,Mat*,Vec*,Mat*);
327 PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,ISLocalToGlobalMapping,Mat*);
328 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
329 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
330 
331 PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
332 PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
333 PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
334 PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
335 PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
336 PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
337 typedef enum {MAT_COMPOSITE_MERGE_RIGHT,MAT_COMPOSITE_MERGE_LEFT} MatCompositeMergeType;
338 PETSC_EXTERN PetscErrorCode MatCompositeSetMergeType(Mat,MatCompositeMergeType);
339 PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
340 typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
341 PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);
342 PETSC_EXTERN PetscErrorCode MatCompositeGetType(Mat,MatCompositeType*);
343 PETSC_EXTERN PetscErrorCode MatCompositeSetMatStructure(Mat,MatStructure);
344 PETSC_EXTERN PetscErrorCode MatCompositeGetMatStructure(Mat,MatStructure*);
345 PETSC_EXTERN PetscErrorCode MatCompositeGetNumberMat(Mat,PetscInt*);
346 PETSC_EXTERN PetscErrorCode MatCompositeGetMat(Mat,PetscInt,Mat*);
347 PETSC_EXTERN PetscErrorCode MatCompositeSetScalings(Mat,const PetscScalar*);
348 
349 PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
350 PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);
351 
352 PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
353 PETSC_EXTERN PetscErrorCode MatTransposeGetMat(Mat,Mat*);
354 PETSC_EXTERN PetscErrorCode MatCreateHermitianTranspose(Mat,Mat*);
355 PETSC_EXTERN PetscErrorCode MatHermitianTransposeGetMat(Mat,Mat*);
356 PETSC_EXTERN PetscErrorCode MatCreateSubMatrixVirtual(Mat,IS,IS,Mat*);
357 PETSC_EXTERN PetscErrorCode MatSubMatrixVirtualUpdate(Mat,Mat,IS,IS);
358 PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);
359 PETSC_EXTERN PetscErrorCode MatCreateConstantDiagonal(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar,Mat*);
360 
361 #if defined(PETSC_HAVE_HYPRE)
362 PETSC_EXTERN PetscErrorCode MatHYPRESetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
363 #endif
364 
365 PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);
366 
367 PETSC_EXTERN PetscErrorCode MatResetPreallocation(Mat);
368 PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
369 PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
370 PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);
371 
372 PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
373 PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
374 PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
375 PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
376 PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
377 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);
378 PETSC_EXTERN PetscErrorCode MatInvertVariableBlockDiagonal(Mat,PetscInt,const PetscInt*,PetscScalar*);
379 PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonalMat(Mat,Mat);
380 
381 /* ------------------------------------------------------------*/
382 PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
383 PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
384 PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
385 PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
386 PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
387 PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);
388 
389 /*S
390      MatStencil - Data structure (C struct) for storing information about a single row or
391         column of a matrix as indexed on an associated grid. These are arguments to MatSetStencil() and MatSetBlockStencil()
392 
393    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).
394    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.
395 
396    For stencil access to vectors see DMDAVecGetArray(), DMDAVecGetArrayF90().
397 
398    Fortran usage is different, see MatSetValuesStencil() for details.
399 
400    Level: beginner
401 
402 .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil(), DMDAVecGetArray(), DMDAVecGetArrayF90()
403 S*/
404 typedef struct {
405   PetscInt k,j,i,c;
406 } MatStencil;
407 
408 PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
409 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
410 PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);
411 
412 /*E
413     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
414      to continue to add or insert values to it
415 
416     Level: beginner
417 
418 .seealso: MatAssemblyBegin(), MatAssemblyEnd()
419 E*/
420 typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
421 PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
422 PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
423 PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);
424 
425 
426 
427 /*E
428     MatOption - Options that may be set for a matrix and its behavior or storage
429 
430     Level: beginner
431 
432    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
433    Any additions/changes here must also be made in src/mat/interface/dlregismat.c in MatOptions[]
434 
435    Developer Notes:
436     Entries that are negative need not be called collectively by all processes.
437 
438 .seealso: MatSetOption()
439 E*/
440 typedef enum {MAT_OPTION_MIN = -3,
441               MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
442               MAT_ROW_ORIENTED = -1,
443               MAT_SYMMETRIC = 1,
444               MAT_STRUCTURALLY_SYMMETRIC = 2,
445               MAT_FORCE_DIAGONAL_ENTRIES = 3,
446               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
447               MAT_USE_HASH_TABLE = 5,
448               MAT_KEEP_NONZERO_PATTERN = 6,
449               MAT_IGNORE_ZERO_ENTRIES = 7,
450               MAT_USE_INODES = 8,
451               MAT_HERMITIAN = 9,
452               MAT_SYMMETRY_ETERNAL = 10,
453               MAT_NEW_NONZERO_LOCATION_ERR = 11,
454               MAT_IGNORE_LOWER_TRIANGULAR = 12,
455               MAT_ERROR_LOWER_TRIANGULAR = 13,
456               MAT_GETROW_UPPERTRIANGULAR = 14,
457               MAT_SPD = 15,
458               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
459               MAT_NO_OFF_PROC_ENTRIES = 17,
460               MAT_NEW_NONZERO_LOCATIONS = 18,
461               MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
462               MAT_SUBSET_OFF_PROC_ENTRIES = 20,
463               MAT_SUBMAT_SINGLEIS = 21,
464               MAT_STRUCTURE_ONLY = 22,
465               MAT_SORTED_FULL = 23,
466               MAT_FORM_EXPLICIT_TRANSPOSE = 24,
467               MAT_OPTION_MAX = 25} MatOption;
468 
469 PETSC_EXTERN const char *const *MatOptions;
470 PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool);
471 PETSC_EXTERN PetscErrorCode MatGetOption(Mat,MatOption,PetscBool*);
472 PETSC_EXTERN PetscErrorCode MatPropagateSymmetryOptions(Mat,Mat);
473 PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);
474 
475 PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
476 PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
477 PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
478 PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
479 PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
480 PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
481 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
482 PETSC_EXTERN PetscErrorCode MatSeqAIJGetArrayRead(Mat,const PetscScalar *[]);
483 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
484 PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArrayRead(Mat,const PetscScalar *[]);
485 PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
486 PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
487 PETSC_EXTERN PetscErrorCode MatSeqAIJSetType(Mat,MatType);
488 PETSC_EXTERN PetscErrorCode MatSeqAIJRegister(const char[],PetscErrorCode (*)(Mat,MatType,MatReuse,Mat *));
489 PETSC_EXTERN PetscFunctionList MatSeqAIJList;
490 PETSC_EXTERN PetscErrorCode MatSeqBAIJGetArray(Mat,PetscScalar *[]);
491 PETSC_EXTERN PetscErrorCode MatSeqBAIJRestoreArray(Mat,PetscScalar *[]);
492 PETSC_EXTERN PetscErrorCode MatSeqSBAIJGetArray(Mat,PetscScalar *[]);
493 PETSC_EXTERN PetscErrorCode MatSeqSBAIJRestoreArray(Mat,PetscScalar *[]);
494 PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
495 PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
496 PETSC_EXTERN PetscErrorCode MatDensePlaceArray(Mat,const PetscScalar[]);
497 PETSC_EXTERN PetscErrorCode MatDenseReplaceArray(Mat,const PetscScalar[]);
498 PETSC_EXTERN PetscErrorCode MatDenseResetArray(Mat);
499 PETSC_EXTERN PetscErrorCode MatDenseGetArrayRead(Mat,const PetscScalar *[]);
500 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayRead(Mat,const PetscScalar *[]);
501 PETSC_EXTERN PetscErrorCode MatDenseGetArrayWrite(Mat,PetscScalar *[]);
502 PETSC_EXTERN PetscErrorCode MatDenseRestoreArrayWrite(Mat,PetscScalar *[]);
503 PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
504 PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
505 PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
506 PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
507 PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
508 PETSC_EXTERN PetscErrorCode MatSetVariableBlockSizes(Mat,PetscInt,PetscInt*);
509 PETSC_EXTERN PetscErrorCode MatGetVariableBlockSizes(Mat,PetscInt*,const PetscInt**);
510 
511 PETSC_EXTERN PetscErrorCode MatDenseGetColumn(Mat,PetscInt,PetscScalar*[]);
512 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumn(Mat,PetscScalar*[]);
513 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVec(Mat,PetscInt,Vec*);
514 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVec(Mat,PetscInt,Vec*);
515 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecRead(Mat,PetscInt,Vec*);
516 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecRead(Mat,PetscInt,Vec*);
517 PETSC_EXTERN PetscErrorCode MatDenseGetColumnVecWrite(Mat,PetscInt,Vec*);
518 PETSC_EXTERN PetscErrorCode MatDenseRestoreColumnVecWrite(Mat,PetscInt,Vec*);
519 PETSC_EXTERN PetscErrorCode MatDenseGetSubMatrix(Mat,PetscInt,PetscInt,Mat*);
520 PETSC_EXTERN PetscErrorCode MatDenseRestoreSubMatrix(Mat,Mat*);
521 
522 PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
523 PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
524 PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
525 PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
526 PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
527 PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
528 PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
529 PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
530 PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
531 PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
532 PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
533 PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
534 PETSC_EXTERN PetscErrorCode MatMatSolveTranspose(Mat,Mat,Mat);
535 PETSC_EXTERN PetscErrorCode MatMatTransposeSolve(Mat,Mat,Mat);
536 PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);
537 
538 /*E
539     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
540   its numerical values copied over or just its nonzero structure.
541 
542     Level: beginner
543 
544    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
545 
546 $   MAT_DO_NOT_COPY_VALUES    - Create a matrix using the same nonzero pattern as the original matrix,
547 $                               with zeros for the numerical values.
548 $   MAT_COPY_VALUES           - Create a matrix with the same nonzero pattern as the original matrix
549 $                               and with the same numerical values.
550 $   MAT_SHARE_NONZERO_PATTERN - Create a matrix that shares the nonzero structure with the previous matrix
551 $                               and does not copy it, using zeros for the numerical values. The parent and
552 $                               child matrices will share their index (i and j) arrays, and you cannot
553 $                               insert new nonzero entries into either matrix.
554 
555 Notes:
556     Many matrix types (including SeqAIJ) do not support the MAT_SHARE_NONZERO_PATTERN optimization; in
557 this case the behavior is as if MAT_DO_NOT_COPY_VALUES has been specified.
558 
559 .seealso: MatDuplicate()
560 E*/
561 typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;
562 
563 PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
564 PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);
565 
566 
567 PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
568 PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
569 PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
570 PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
571 PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
572 PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
573 PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
574 PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
575 PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);
576 
577 PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
578 PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
579 PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
580 PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
581 
582 /*S
583      MatInfo - Context of matrix information, used with MatGetInfo()
584 
585    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE
586 
587    Level: intermediate
588 
589 .seealso:  MatGetInfo(), MatInfoType
590 S*/
591 typedef struct {
592   PetscLogDouble block_size;                         /* block size */
593   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
594   PetscLogDouble memory;                             /* memory allocated */
595   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
596   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
597   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
598   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
599 } MatInfo;
600 
601 /*E
602     MatInfoType - Indicates if you want information about the local part of the matrix,
603      the entire parallel matrix or the maximum over all the local parts.
604 
605     Level: beginner
606 
607    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
608 
609 .seealso: MatGetInfo(), MatInfo
610 E*/
611 typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
612 PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
613 PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
614 PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
615 PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
616 PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
617 PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
618 PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
619 PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
620 PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
621 PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat*);
622 PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
623 PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
624 
625 PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool*);
626 PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool*);
627 PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool*);
628 PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool*);
629 PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool*);
630 PETSC_EXTERN PetscErrorCode MatMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
631 PETSC_EXTERN PetscErrorCode MatTransposeMatMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
632 PETSC_EXTERN PetscErrorCode MatMatTransposeMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
633 PETSC_EXTERN PetscErrorCode MatPtAPMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
634 PETSC_EXTERN PetscErrorCode MatRARtMultEqual(Mat,Mat,Mat,PetscInt,PetscBool*);
635 PETSC_EXTERN PetscErrorCode MatIsLinear(Mat,PetscInt,PetscBool*);
636 
637 PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal*);
638 PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal*);
639 PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
640 PETSC_EXTERN PetscErrorCode MatSetInf(Mat);
641 PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
642 PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
643 PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
644 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
645 PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
646 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);
647 
648 PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
649 PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
650 PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
651 PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
652 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
653 PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
654 PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);
655 
656 PETSC_EXTERN PetscErrorCode MatCreateSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
657 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);}
658 PETSC_EXTERN PetscErrorCode MatCreateSubMatricesMPI(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
659 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);}
660 PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
661 PETSC_EXTERN PetscErrorCode MatDestroySubMatrices(PetscInt,Mat *[]);
662 PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,MatReuse,Mat *);
663 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);}
664 PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
665 PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
666 PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
667 PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);
668 
669 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
670 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
671 PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
672 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
673 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
674 PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatMerge(Mat,MatReuse,IS*,Mat*);
675 PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
676 PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);
677 
678 PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);
679 PETSC_EXTERN PetscErrorCode MatIncreaseOverlapSplit(Mat mat,PetscInt n,IS is[],PetscInt ov);
680 PETSC_EXTERN PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat,PetscBool);
681 
682 PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
683 
684 PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
685 PETSC_EXTERN PetscErrorCode MatGalerkin(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
686 
687 PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
688 PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
689 
690 PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
691 PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
692 
693 PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
694 PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);
695 
696 PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
697 PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);
698 
699 PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
700 PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
701 PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
702 PETSC_EXTERN PetscErrorCode MatSetLayouts(Mat,PetscLayout,PetscLayout);
703 PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
704 PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
705 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
706 PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
707 PETSC_EXTERN PetscErrorCode MatGetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
708 PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
709 PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
710 
711 PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
712 PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);
713 
714 PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
715 PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
716 PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
717 PETSC_EXTERN PetscErrorCode MatMatInterpolate(Mat,Mat,Mat*);
718 PETSC_EXTERN PetscErrorCode MatMatInterpolateAdd(Mat,Mat,Mat,Mat*);
719 PETSC_EXTERN PetscErrorCode MatMatRestrict(Mat,Mat,Mat*);
720 PETSC_EXTERN PetscErrorCode MatCreateVecs(Mat,Vec*,Vec*);
721 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);}
722 PETSC_EXTERN PetscErrorCode MatCreateRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
723 PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
724 PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
725 PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);
726 PETSC_EXTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
727 
728 /*MC
729    MatSetValue - Set a single entry into a matrix.
730 
731    Not collective
732 
733    Synopsis:
734      #include <petscmat.h>
735      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)
736 
737    Input Parameters:
738 +  m - the matrix
739 .  row - the row location of the entry
740 .  col - the column location of the entry
741 .  value - the value to insert
742 -  mode - either INSERT_VALUES or ADD_VALUES
743 
744    Notes:
745    For efficiency one should use MatSetValues() and set several or many
746    values simultaneously if possible.
747 
748    Level: beginner
749 
750 .seealso: MatSetValues(), MatSetValueLocal()
751 M*/
752 PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}
753 
754 PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}
755 
756 PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}
757 
758 /*MC
759    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
760        row in a matrix providing the data that one can use to correctly preallocate the matrix.
761 
762    Synopsis:
763    #include <petscmat.h>
764    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)
765 
766    Collective
767 
768    Input Parameters:
769 +  comm - the communicator that will share the eventually allocated matrix
770 .  nrows - the number of LOCAL rows in the matrix
771 -  ncols - the number of LOCAL columns in the matrix
772 
773    Output Parameters:
774 +  dnz - the array that will be passed to the matrix preallocation routines
775 -  onz - the other array passed to the matrix preallocation routines
776 
777    Level: intermediate
778 
779    Notes:
780     See Users-Manual: ch_performance for more details.
781 
782    Do not malloc or free dnz and onz, that is handled internally by these routines
783 
784    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().
785 
786 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
787           MatPreallocateSymmetricSetLocalBlock()
788 M*/
789 #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
790 do { \
791   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ncols = (ncols),__rstart,__start,__end; \
792   _4_ierr = PetscCalloc2((size_t)__nrows,&dnz,(size_t)__nrows,&onz);CHKERRQ(_4_ierr); \
793   __start = 0; __end = __start;                                         \
794   _4_ierr = MPI_Scan(&__ncols,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRMPI(_4_ierr); __start = __end - __ncols;\
795   _4_ierr = MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRMPI(_4_ierr); __rstart = __rstart - __nrows; \
796   do { } while (0)
797 
798 /*MC
799    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
800        inserted using a local number of the rows and columns
801 
802    Synopsis:
803    #include <petscmat.h>
804    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
805 
806    Not Collective
807 
808    Input Parameters:
809 +  map - the row mapping from local numbering to global numbering
810 .  nrows - the number of rows indicated
811 .  rows - the indices of the rows
812 .  cmap - the column mapping from local to global numbering
813 .  ncols - the number of columns in the matrix
814 .  cols - the columns indicated
815 .  dnz - the array that will be passed to the matrix preallocation routines
816 -  onz - the other array passed to the matrix preallocation routines
817 
818    Level: intermediate
819 
820    Notes:
821     See Users-Manual: ch_performance for more details.
822 
823    Do not malloc or free dnz and onz, that is handled internally by these routines
824 
825 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
826           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocalRemoveDups()
827 M*/
828 #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
829 do {\
830   PetscInt __l;\
831   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
832   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
833   for (__l=0;__l<nrows;__l++) {\
834     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
835   }\
836  } while (0)
837 
838 /*MC
839    MatPreallocateSetLocalRemoveDups - Indicates the locations (rows and columns) in the matrix where nonzeros will be
840        inserted using a local number of the rows and columns. This version removes any duplicate columns in cols
841 
842    Synopsis:
843    #include <petscmat.h>
844    PetscErrorCode MatPreallocateSetLocalRemoveDups(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
845 
846    Not Collective
847 
848    Input Parameters:
849 +  map - the row mapping from local numbering to global numbering
850 .  nrows - the number of rows indicated
851 .  rows - the indices of the rows (these values are mapped to the global values)
852 .  cmap - the column mapping from local to global numbering
853 .  ncols - the number of columns in the matrix   (this value will be changed if duplicate columns are found)
854 .  cols - the columns indicated (these values are mapped to the global values, they are then sorted and duplicates removed)
855 .  dnz - the array that will be passed to the matrix preallocation routines
856 -  onz - the other array passed to the matrix preallocation routines
857 
858    Level: intermediate
859 
860    Notes:
861     See Users-Manual: ch_performance for more details.
862 
863    Do not malloc or free dnz and onz, that is handled internally by these routines
864 
865 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
866           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
867 M*/
868 #define MatPreallocateSetLocalRemoveDups(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
869 do {\
870   PetscInt __l;\
871   _4_ierr = ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
872   _4_ierr = ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
873   _4_ierr = PetscSortRemoveDupsInt(&ncols,cols);CHKERRQ(_4_ierr);\
874   for (__l=0;__l<nrows;__l++) {\
875     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
876   }\
877  } while (0)
878 
879 /*MC
880    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
881        inserted using a local number of the rows and columns
882 
883    Synopsis:
884    #include <petscmat.h>
885    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
886 
887    Not Collective
888 
889    Input Parameters:
890 +  map - the row mapping from local numbering to global numbering
891 .  nrows - the number of rows indicated
892 .  rows - the indices of the rows
893 .  cmap - the column mapping from local to global numbering
894 .  ncols - the number of columns in the matrix
895 .  cols - the columns indicated
896 .  dnz - the array that will be passed to the matrix preallocation routines
897 -  onz - the other array passed to the matrix preallocation routines
898 
899    Level: intermediate
900 
901    Notes:
902     See Users-Manual: ch_performance for more details.
903 
904    Do not malloc or free dnz and onz, that is handled internally by these routines
905 
906 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
907           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
908 M*/
909 #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
910 do {\
911   PetscInt __l;\
912   _4_ierr = ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
913   _4_ierr = ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
914   for (__l=0;__l<nrows;__l++) {\
915     _4_ierr = MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
916   }\
917 } while (0)
918 
919 /*MC
920    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
921        inserted using a local number of the rows and columns
922 
923    Synopsis:
924    #include <petscmat.h>
925    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
926 
927    Not Collective
928 
929    Input Parameters:
930 +  map - the mapping between local numbering and global numbering
931 .  nrows - the number of rows indicated
932 .  rows - the indices of the rows
933 .  ncols - the number of columns in the matrix
934 .  cols - the columns indicated
935 .  dnz - the array that will be passed to the matrix preallocation routines
936 -  onz - the other array passed to the matrix preallocation routines
937 
938    Level: intermediate
939 
940    Notes:
941     See Users-Manual: ch_performance for more details.
942 
943    Do not malloc or free dnz and onz that is handled internally by these routines
944 
945 .seealso: MatPreallocateFinalize(), MatPreallocateSet()
946           MatPreallocateInitialize(),  MatPreallocateSetLocal()
947 M*/
948 #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
949 do {\
950   PetscInt __l;\
951   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
952   _4_ierr = ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
953   for (__l=0;__l<nrows;__l++) {\
954     _4_ierr = MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
955   }\
956 } while (0)
957 
958 /*MC
959    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
960        inserted using a local number of the rows and columns
961 
962    Synopsis:
963    #include <petscmat.h>
964    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
965 
966    Not Collective
967 
968    Input Parameters:
969 +  row - the row
970 .  ncols - the number of columns in the matrix
971 -  cols - the columns indicated
972 
973    Output Parameters:
974 +  dnz - the array that will be passed to the matrix preallocation routines
975 -  onz - the other array passed to the matrix preallocation routines
976 
977    Level: intermediate
978 
979    Notes:
980     See Users-Manual: ch_performance for more details.
981 
982    Do not malloc or free dnz and onz that is handled internally by these routines
983 
984    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
985 
986 .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock()
987           MatPreallocateInitialize(), MatPreallocateSetLocal()
988 M*/
989 #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
990 do { PetscInt __i; \
991   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);\
992   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);\
993   for (__i=0; __i<nc; __i++) {\
994     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
995     else if (dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
996   }\
997 } while (0)
998 
999 /*MC
1000    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
1001        inserted using a local number of the rows and columns
1002 
1003    Synopsis:
1004    #include <petscmat.h>
1005    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)
1006 
1007    Not Collective
1008 
1009    Input Parameters:
1010 +  nrows - the number of rows indicated
1011 .  rows - the indices of the rows
1012 .  ncols - the number of columns in the matrix
1013 .  cols - the columns indicated
1014 .  dnz - the array that will be passed to the matrix preallocation routines
1015 -  onz - the other array passed to the matrix preallocation routines
1016 
1017    Level: intermediate
1018 
1019    Notes:
1020     See Users-Manual: ch_performance for more details.
1021 
1022    Do not malloc or free dnz and onz that is handled internally by these routines
1023 
1024    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().
1025 
1026 .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
1027           MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
1028 M*/
1029 #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
1030 do { PetscInt __i; \
1031   for (__i=0; __i<nc; __i++) {\
1032     if (cols[__i] >= __end) onz[row - __rstart]++; \
1033     else if (cols[__i] >= row && dnz[row - __rstart] < __ncols) dnz[row - __rstart]++;\
1034   }\
1035 } while (0)
1036 
1037 /*MC
1038    MatPreallocateLocation -  An alternative to MatPreallocateSet() that puts the nonzero locations into the matrix if it exists
1039 
1040    Synopsis:
1041    #include <petscmat.h>
1042    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)
1043 
1044    Not Collective
1045 
1046    Input Parameters:
1047 +  A - matrix
1048 .  row - row where values exist (must be local to this process)
1049 .  ncols - number of columns
1050 .  cols - columns with nonzeros
1051 .  dnz - the array that will be passed to the matrix preallocation routines
1052 -  onz - the other array passed to the matrix preallocation routines
1053 
1054    Level: intermediate
1055 
1056    Notes:
1057     See Users-Manual: ch_performance for more details.
1058 
1059    Do not malloc or free dnz and onz that is handled internally by these routines
1060 
1061    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.
1062 
1063 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1064           MatPreallocateSymmetricSetLocalBlock()
1065 M*/
1066 #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)
1067 
1068 
1069 /*MC
1070    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
1071        row in a matrix providing the data that one can use to correctly preallocate the matrix.
1072 
1073    Synopsis:
1074    #include <petscmat.h>
1075    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)
1076 
1077    Collective
1078 
1079    Input Parameters:
1080 +  dnz - the array that was be passed to the matrix preallocation routines
1081 -  onz - the other array passed to the matrix preallocation routines
1082 
1083    Level: intermediate
1084 
1085    Notes:
1086     See Users-Manual: ch_performance for more details.
1087 
1088    Do not malloc or free dnz and onz that is handled internally by these routines
1089 
1090    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().
1091 
1092 .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
1093           MatPreallocateSymmetricSetLocalBlock()
1094 M*/
1095 #define MatPreallocateFinalize(dnz,onz) 0;_4_ierr = PetscFree2(dnz,onz);CHKERRQ(_4_ierr);} while (0)
1096 
1097 /* Routines unique to particular data structures */
1098 PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);
1099 
1100 PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
1101 PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);
1102 
1103 PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
1104 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
1105 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1106 PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1107 PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
1108 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);
1109 
1110 #define MAT_SKIP_ALLOCATION -4
1111 
1112 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1113 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1114 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);
1115 PETSC_EXTERN PetscErrorCode MatSeqAIJSetTotalPreallocation(Mat,PetscInt);
1116 
1117 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1118 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1119 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1120 PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
1121 PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1122 PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
1123 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
1124 PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
1125 PETSC_EXTERN PetscErrorCode MatMPIAdjToSeq(Mat,Mat*);
1126 PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
1127 PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
1128 PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1129 PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
1130 PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);
1131 
1132 PETSC_EXTERN PetscErrorCode MatDenseGetLDA(Mat,PetscInt*);
1133 PETSC_EXTERN PetscErrorCode MatDenseSetLDA(Mat,PetscInt);
1134 PETSC_DEPRECATED_FUNCTION("Use MatDenseSetLDA() (since version 3.14)") PETSC_STATIC_INLINE PetscErrorCode MatSeqDenseSetLDA(Mat A,PetscInt lda) {return MatDenseSetLDA(A,lda);}
1135 PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);
1136 
1137 PETSC_EXTERN PetscErrorCode MatBlockMatSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
1138 
1139 PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
1140 PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);
1141 
1142 PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
1143 PETSC_EXTERN PetscErrorCode MatFindZeroRows(Mat,IS*);
1144 /*
1145   These routines are not usually accessed directly, rather solving is
1146   done through the KSP and PC interfaces.
1147 */
1148 
1149 /*J
1150     MatOrderingType - String with the name of a PETSc matrix ordering
1151 
1152    Level: beginner
1153 
1154    Notes:
1155       If MATORDERINGEXTERNAL is used then PETSc does not compute an ordering and utilizes one built into the factorization package
1156 
1157 .seealso: MatGetOrdering()
1158 J*/
1159 typedef const char* MatOrderingType;
1160 #define MATORDERINGNATURAL        "natural"
1161 #define MATORDERINGND             "nd"
1162 #define MATORDERING1WD            "1wd"
1163 #define MATORDERINGRCM            "rcm"
1164 #define MATORDERINGQMD            "qmd"
1165 #define MATORDERINGROWLENGTH      "rowlength"
1166 #define MATORDERINGWBM            "wbm"
1167 #define MATORDERINGSPECTRAL       "spectral"
1168 #define MATORDERINGAMD            "amd"            /* only works if UMFPACK is installed with PETSc */
1169 #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 */
1170 #define MATORDERINGEXTERNAL       "external"       /* uses an ordering type internal to the factorization package */
1171 
1172 PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
1173 PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
1174 PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
1175 PETSC_EXTERN PetscFunctionList MatOrderingList;
1176 
1177 PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
1178 PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);
1179 
1180 PETSC_EXTERN PetscErrorCode MatFactorGetPreferredOrdering(Mat,MatFactorType,MatOrderingType*);
1181 
1182 /*S
1183     MatFactorShiftType - Numeric Shift for factorizations
1184 
1185    Level: beginner
1186 
1187 .seealso: MatGetFactor()
1188 S*/
1189 typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
1190 PETSC_EXTERN const char *const MatFactorShiftTypes[];
1191 PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];
1192 
1193 /*S
1194     MatFactorError - indicates what type of error was generated in a matrix factorization
1195 
1196     Level: beginner
1197 
1198     Developer Notes:
1199     Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1200 
1201 .seealso: MatGetFactor()
1202 S*/
1203 typedef enum {MAT_FACTOR_NOERROR,MAT_FACTOR_STRUCT_ZEROPIVOT,MAT_FACTOR_NUMERIC_ZEROPIVOT,MAT_FACTOR_OUTMEMORY,MAT_FACTOR_OTHER} MatFactorError;
1204 
1205 PETSC_EXTERN PetscErrorCode MatFactorGetError(Mat,MatFactorError*);
1206 PETSC_EXTERN PetscErrorCode MatFactorClearError(Mat);
1207 PETSC_EXTERN PetscErrorCode MatFactorGetErrorZeroPivot(Mat,PetscReal*,PetscInt*);
1208 
1209 /*S
1210    MatFactorInfo - Data passed into the matrix factorization routines, and information about the resulting factorization
1211 
1212    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
1213 $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)
1214 
1215    Notes:
1216     These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.
1217 
1218       You can use MatFactorInfoInitialize() to set default values.
1219 
1220    Level: developer
1221 
1222 .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1223           MatFactorInfoInitialize()
1224 
1225 S*/
1226 typedef struct {
1227   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1228   PetscReal     usedt;
1229   PetscReal     dt;             /* drop tolerance */
1230   PetscReal     dtcol;          /* tolerance for pivoting */
1231   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1232   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1233   PetscReal     levels;         /* ICC/ILU(levels) */
1234   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1235                                    factorization may be faster if do not pivot */
1236   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1237   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1238   PetscReal     shiftamount;     /* how large the shift is */
1239 } MatFactorInfo;
1240 
1241 PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1242 PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1243 PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1244 PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1245 PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1246 PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1247 PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1248 PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1249 PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1250 PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1251 PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1252 PETSC_EXTERN PetscErrorCode MatQRFactor(Mat,IS,const MatFactorInfo*);
1253 PETSC_EXTERN PetscErrorCode MatQRFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1254 PETSC_EXTERN PetscErrorCode MatQRFactorNumeric(Mat,Mat,const MatFactorInfo*);
1255 PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1256 PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1257 PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1258 PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1259 PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1260 PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1261 PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1262 PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);
1263 PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);
1264 
1265 typedef enum {MAT_FACTOR_SCHUR_UNFACTORED, MAT_FACTOR_SCHUR_FACTORED, MAT_FACTOR_SCHUR_INVERTED} MatFactorSchurStatus;
1266 PETSC_EXTERN PetscErrorCode MatFactorSetSchurIS(Mat,IS);
1267 PETSC_EXTERN PetscErrorCode MatFactorGetSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1268 PETSC_EXTERN PetscErrorCode MatFactorRestoreSchurComplement(Mat,Mat*,MatFactorSchurStatus);
1269 PETSC_EXTERN PetscErrorCode MatFactorInvertSchurComplement(Mat);
1270 PETSC_EXTERN PetscErrorCode MatFactorCreateSchurComplement(Mat,Mat*,MatFactorSchurStatus*);
1271 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplement(Mat,Vec,Vec);
1272 PETSC_EXTERN PetscErrorCode MatFactorSolveSchurComplementTranspose(Mat,Vec,Vec);
1273 PETSC_EXTERN PetscErrorCode MatFactorFactorizeSchurComplement(Mat);
1274 
1275 /*E
1276     MatSORType - What type of (S)SOR to perform
1277 
1278     Level: beginner
1279 
1280    May be bitwise ORd together
1281 
1282    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1283 
1284    MatSORType may be bitwise ORd together, so do not change the numbers
1285 
1286 .seealso: MatSOR()
1287 E*/
1288 typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1289               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1290               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1291               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1292 PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);
1293 
1294 /*
1295     These routines are for efficiently computing Jacobians via finite differences.
1296 */
1297 
1298 /*S
1299      MatColoring - Object for managing the coloring of matrices.
1300 
1301    Level: beginner
1302 
1303     Notes:
1304        Coloring of matrices can be computed directly from the sparse matrix nonzero structure via the MatColoring object or from the mesh from which the
1305        matrix comes from via DMCreateColoring(). In general using the mesh produces a more optimal coloring (fewer colors).
1306 
1307        Once a coloring is available MatFDColoringCreate() creates an object that can be used to efficiently compute Jacobians using that coloring. This
1308        same object can also be used to efficiently convert data created by Automatic Differentation tools to PETSc sparse matrices.
1309 
1310 .seealso:  MatFDColoringCreate(), MatColoringWeightType, ISColoring, MatFDColoring, DMCreateColoring(), MatColoringCreate(), MatOrdering, MatPartitioning
1311 S*/
1312 typedef struct _p_MatColoring* MatColoring;
1313 
1314 /*J
1315     MatColoringType - String with the name of a PETSc matrix coloring
1316 
1317    Level: beginner
1318 
1319 .seealso: MatColoringSetType(), MatColoring
1320 J*/
1321 typedef const  char*           MatColoringType;
1322 #define MATCOLORINGJP      "jp"
1323 #define MATCOLORINGPOWER   "power"
1324 #define MATCOLORINGNATURAL "natural"
1325 #define MATCOLORINGSL      "sl"
1326 #define MATCOLORINGLF      "lf"
1327 #define MATCOLORINGID      "id"
1328 #define MATCOLORINGGREEDY  "greedy"
1329 
1330 /*E
1331    MatColoringWeightType - Type of weight scheme
1332 
1333     Not Collective
1334 
1335 +   MAT_COLORING_RANDOM  - Random weights
1336 .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1337 -   MAT_COLORING_LF      - Last-first weighting.
1338 
1339     Level: intermediate
1340 
1341    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1342 
1343 .seealso: MatColoring, MatColoringCreate()
1344 E*/
1345 typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;
1346 
1347 PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1348 PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1349 PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1350 PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1351 PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1352 PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1353 PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1354 PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1355 PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1356 PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1357 PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1358 PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1359 PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1360 PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1361 PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1362 PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);
1363 PETSC_EXTERN PetscErrorCode MatColoringTest(MatColoring,ISColoring);
1364 PETSC_DEPRECATED_FUNCTION("Use MatColoringTest() (since version 3.10)") PETSC_STATIC_INLINE PetscErrorCode MatColoringTestValid(MatColoring matcoloring,ISColoring iscoloring) {return MatColoringTest(matcoloring,iscoloring);}
1365 PETSC_EXTERN PetscErrorCode MatISColoringTest(Mat,ISColoring);
1366 
1367 /*S
1368      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1369         and coloring
1370 
1371    Level: beginner
1372 
1373    Notes:
1374       This object is creating utilizing a coloring provided by the MatColoring object or DMCreateColoring()
1375 
1376 .seealso:  MatFDColoringCreate(), MatColoring, DMCreateColoring()
1377 S*/
1378 typedef struct _p_MatFDColoring* MatFDColoring;
1379 
1380 PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1381 PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1382 PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1383 PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1384 PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1385 PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1386 PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1387 PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1388 PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1389 PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,const PetscInt*[]);
1390 PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1391 PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);
1392 PETSC_EXTERN PetscErrorCode MatFDColoringSetValues(Mat,MatFDColoring,const PetscScalar*);
1393 
1394 /*S
1395      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring
1396 
1397    Level: beginner
1398 
1399 .seealso:  MatTransposeColoringCreate()
1400 S*/
1401 typedef struct _p_MatTransposeColoring* MatTransposeColoring;
1402 
1403 PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1404 PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1405 PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1406 PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);
1407 
1408 /*
1409     These routines are for partitioning matrices: currently used only
1410   for adjacency matrix, MatCreateMPIAdj().
1411 */
1412 
1413 /*S
1414      MatPartitioning - Object for managing the partitioning of a matrix or graph
1415 
1416    Level: beginner
1417 
1418    Notes:
1419      There is also a PetscPartitioner object that provides the same functionality. It can utilize the MatPartitioning operations
1420      via PetscPartitionerSetType(p,PETSCPARTITIONERMATPARTITIONING)
1421 
1422    Developers Note:
1423      It is an extra maintainance and documentation cost to have two objects with the same functionality.
1424 
1425 .seealso:  MatPartitioningCreate(), MatPartitioningType, MatColoring, MatGetOrdering()
1426 S*/
1427 typedef struct _p_MatPartitioning* MatPartitioning;
1428 
1429 /*J
1430     MatPartitioningType - String with the name of a PETSc matrix partitioning
1431 
1432    Level: beginner
1433 dm
1434 .seealso: MatPartitioningCreate(), MatPartitioning
1435 J*/
1436 typedef const char* MatPartitioningType;
1437 #define MATPARTITIONINGCURRENT  "current"
1438 #define MATPARTITIONINGAVERAGE   "average"
1439 #define MATPARTITIONINGSQUARE   "square"
1440 #define MATPARTITIONINGPARMETIS "parmetis"
1441 #define MATPARTITIONINGCHACO    "chaco"
1442 #define MATPARTITIONINGPARTY    "party"
1443 #define MATPARTITIONINGPTSCOTCH "ptscotch"
1444 #define MATPARTITIONINGHIERARCH  "hierarch"
1445 
1446 PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1447 PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1448 PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1449 PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1450 PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1451 PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1452 PETSC_EXTERN PetscErrorCode MatPartitioningSetUseEdgeWeights(MatPartitioning,PetscBool);
1453 PETSC_EXTERN PetscErrorCode MatPartitioningGetUseEdgeWeights(MatPartitioning,PetscBool*);
1454 PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1455 PETSC_EXTERN PetscErrorCode MatPartitioningImprove(MatPartitioning,IS*);
1456 PETSC_EXTERN PetscErrorCode MatPartitioningViewImbalance(MatPartitioning,IS);
1457 PETSC_EXTERN PetscErrorCode MatPartitioningApplyND(MatPartitioning,IS*);
1458 PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);
1459 PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));
1460 PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1461 PETSC_EXTERN PetscErrorCode MatPartitioningViewFromOptions(MatPartitioning,PetscObject,const char[]);
1462 PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1463 PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);
1464 
1465 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetRepartition(MatPartitioning part);
1466 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1467 PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);
1468 
1469 typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1470 PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1471 typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1472 PETSC_EXTERN const char *const MPChacoLocalTypes[];
1473 typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1474 PETSC_EXTERN const char *const MPChacoEigenTypes[];
1475 
1476 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1477 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1478 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1479 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1480 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1481 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1482 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1483 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1484 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1485 PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1486 PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);
1487 
1488 #define MP_PARTY_OPT "opt"
1489 #define MP_PARTY_LIN "lin"
1490 #define MP_PARTY_SCA "sca"
1491 #define MP_PARTY_RAN "ran"
1492 #define MP_PARTY_GBF "gbf"
1493 #define MP_PARTY_GCF "gcf"
1494 #define MP_PARTY_BUB "bub"
1495 #define MP_PARTY_DEF "def"
1496 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1497 #define MP_PARTY_HELPFUL_SETS "hs"
1498 #define MP_PARTY_KERNIGHAN_LIN "kl"
1499 #define MP_PARTY_NONE "no"
1500 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1501 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1502 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1503 PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);
1504 
1505 typedef enum { MP_PTSCOTCH_DEFAULT,MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1506 PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];
1507 
1508 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1509 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1510 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1511 PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);
1512 
1513 /*
1514  * hierarchical partitioning
1515  */
1516 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetFineparts(MatPartitioning,IS*);
1517 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalGetCoarseparts(MatPartitioning,IS*);
1518 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning,PetscInt);
1519 PETSC_EXTERN PetscErrorCode MatPartitioningHierarchicalSetNfineparts(MatPartitioning, PetscInt);
1520 
1521 PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1522 PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);
1523 
1524 /*
1525     If you add entries here you must also add them to include/petscmat.h
1526     and src/mat/f90-mod/petscmat.h
1527 */
1528 typedef enum { MATOP_SET_VALUES=0,
1529                MATOP_GET_ROW=1,
1530                MATOP_RESTORE_ROW=2,
1531                MATOP_MULT=3,
1532                MATOP_MULT_ADD=4,
1533                MATOP_MULT_TRANSPOSE=5,
1534                MATOP_MULT_TRANSPOSE_ADD=6,
1535                MATOP_SOLVE=7,
1536                MATOP_SOLVE_ADD=8,
1537                MATOP_SOLVE_TRANSPOSE=9,
1538                MATOP_SOLVE_TRANSPOSE_ADD=10,
1539                MATOP_LUFACTOR=11,
1540                MATOP_CHOLESKYFACTOR=12,
1541                MATOP_SOR=13,
1542                MATOP_TRANSPOSE=14,
1543                MATOP_GETINFO=15,
1544                MATOP_EQUAL=16,
1545                MATOP_GET_DIAGONAL=17,
1546                MATOP_DIAGONAL_SCALE=18,
1547                MATOP_NORM=19,
1548                MATOP_ASSEMBLY_BEGIN=20,
1549                MATOP_ASSEMBLY_END=21,
1550                MATOP_SET_OPTION=22,
1551                MATOP_ZERO_ENTRIES=23,
1552                MATOP_ZERO_ROWS=24,
1553                MATOP_LUFACTOR_SYMBOLIC=25,
1554                MATOP_LUFACTOR_NUMERIC=26,
1555                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1556                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1557                MATOP_SETUP_PREALLOCATION=29,
1558                MATOP_ILUFACTOR_SYMBOLIC=30,
1559                MATOP_ICCFACTOR_SYMBOLIC=31,
1560                MATOP_GET_DIAGONAL_BLOCK=32,
1561                MATOP_FREE_INTER_STRUCT=33,
1562                MATOP_DUPLICATE=34,
1563                MATOP_FORWARD_SOLVE=35,
1564                MATOP_BACKWARD_SOLVE=36,
1565                MATOP_ILUFACTOR=37,
1566                MATOP_ICCFACTOR=38,
1567                MATOP_AXPY=39,
1568                MATOP_CREATE_SUBMATRICES=40,
1569                MATOP_INCREASE_OVERLAP=41,
1570                MATOP_GET_VALUES=42,
1571                MATOP_COPY=43,
1572                MATOP_GET_ROW_MAX=44,
1573                MATOP_SCALE=45,
1574                MATOP_SHIFT=46,
1575                MATOP_DIAGONAL_SET=47,
1576                MATOP_ZERO_ROWS_COLUMNS=48,
1577                MATOP_SET_RANDOM=49,
1578                MATOP_GET_ROW_IJ=50,
1579                MATOP_RESTORE_ROW_IJ=51,
1580                MATOP_GET_COLUMN_IJ=52,
1581                MATOP_RESTORE_COLUMN_IJ=53,
1582                MATOP_FDCOLORING_CREATE=54,
1583                MATOP_COLORING_PATCH=55,
1584                MATOP_SET_UNFACTORED=56,
1585                MATOP_PERMUTE=57,
1586                MATOP_SET_VALUES_BLOCKED=58,
1587                MATOP_CREATE_SUBMATRIX=59,
1588                MATOP_DESTROY=60,
1589                MATOP_VIEW=61,
1590                MATOP_CONVERT_FROM=62,
1591                MATOP_MATMAT_MULT=63,
1592                MATOP_MATMAT_MULT_SYMBOLIC=64,
1593                MATOP_MATMAT_MULT_NUMERIC=65,
1594                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1595                MATOP_SET_VALUES_LOCAL=67,
1596                MATOP_ZERO_ROWS_LOCAL=68,
1597                MATOP_GET_ROW_MAX_ABS=69,
1598                MATOP_GET_ROW_MIN_ABS=70,
1599                MATOP_CONVERT=71,
1600                MATOP_SET_COLORING=72,
1601                /* MATOP_PLACEHOLDER_73=73, */
1602                MATOP_SET_VALUES_ADIFOR=74,
1603                MATOP_FD_COLORING_APPLY=75,
1604                MATOP_SET_FROM_OPTIONS=76,
1605                MATOP_MULT_CONSTRAINED=77,
1606                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1607                MATOP_FIND_ZERO_DIAGONALS=79,
1608                MATOP_MULT_MULTIPLE=80,
1609                MATOP_SOLVE_MULTIPLE=81,
1610                MATOP_GET_INERTIA=82,
1611                MATOP_LOAD=83,
1612                MATOP_IS_SYMMETRIC=84,
1613                MATOP_IS_HERMITIAN=85,
1614                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1615                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1616                MATOP_CREATE_VECS=88,
1617                MATOP_MAT_MULT=89,
1618                MATOP_MAT_MULT_SYMBOLIC=90,
1619                MATOP_MAT_MULT_NUMERIC=91,
1620                MATOP_PTAP=92,
1621                MATOP_PTAP_SYMBOLIC=93,
1622                MATOP_PTAP_NUMERIC=94,
1623                MATOP_MAT_TRANSPOSE_MULT=95,
1624                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1625                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1626                /* MATOP_PLACEHOLDER_98=98, */
1627                MATOP_PRODUCTSETFROMOPTIONS=99,
1628                MATOP_PRODUCTSYMBOLIC=100,
1629                MATOP_PRODUCTNUMERIC=101,
1630                MATOP_CONJUGATE=102,
1631                /* MATOP_PLACEHOLDER_103=103, */
1632                MATOP_SET_VALUES_ROW=104,
1633                MATOP_REAL_PART=105,
1634                MATOP_IMAGINARY_PART=106,
1635                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1636                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1637                MATOP_MAT_SOLVE=109,
1638                MATOP_MAT_SOLVE_TRANSPOSE=110,
1639                MATOP_GET_ROW_MIN=111,
1640                MATOP_GET_COLUMN_VECTOR=112,
1641                MATOP_MISSING_DIAGONAL=113,
1642                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1643                MATOP_CREATE=115,
1644                MATOP_GET_GHOSTS=116,
1645                MATOP_GET_LOCAL_SUB_MATRIX=117,
1646                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1647                MATOP_MULT_DIAGONAL_BLOCK=119,
1648                MATOP_HERMITIAN_TRANSPOSE=120,
1649                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1650                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1651                MATOP_GET_MULTI_PROC_BLOCK=123,
1652                MATOP_FIND_NONZERO_ROWS=124,
1653                MATOP_GET_COLUMN_NORMS=125,
1654                MATOP_INVERT_BLOCK_DIAGONAL=126,
1655                /* MATOP_PLACEHOLDER_127=127, */
1656                MATOP_CREATE_SUB_MATRICES_MPI=128,
1657                MATOP_SET_VALUES_BATCH=129,
1658                MATOP_TRANSPOSE_MAT_MULT=130,
1659                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1660                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1661                MATOP_TRANSPOSE_COLORING_CREAT=133,
1662                MATOP_TRANS_COLORING_APPLY_SPT=134,
1663                MATOP_TRANS_COLORING_APPLY_DEN=135,
1664                MATOP_RART=136,
1665                MATOP_RART_SYMBOLIC=137,
1666                MATOP_RART_NUMERIC=138,
1667                MATOP_SET_BLOCK_SIZES=139,
1668                MATOP_AYPX=140,
1669                MATOP_RESIDUAL=141,
1670                MATOP_FDCOLORING_SETUP=142,
1671                MATOP_MPICONCATENATESEQ=144,
1672                MATOP_DESTROYSUBMATRICES=145,
1673                MATOP_TRANSPOSE_SOLVE=146,
1674                MATOP_GET_VALUES_LOCAL=147
1675              } MatOperation;
1676 PETSC_EXTERN PetscErrorCode MatSetOperation(Mat,MatOperation,void(*)(void));
1677 PETSC_EXTERN PetscErrorCode MatGetOperation(Mat,MatOperation,void(**)(void));
1678 PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool*);
1679 PETSC_EXTERN PetscErrorCode MatHasCongruentLayouts(Mat,PetscBool*);
1680 PETSC_DEPRECATED_FUNCTION("Use MatProductClear() (since version 3.14)") PETSC_STATIC_INLINE PetscErrorCode MatFreeIntermediateDataStructures(Mat A) {return MatProductClear(A);}
1681 PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1682 PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1683 PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);
1684 PETSC_EXTERN PetscErrorCode MatShellSetVecType(Mat,VecType);
1685 PETSC_EXTERN PetscErrorCode MatShellTestMult(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1686 PETSC_EXTERN PetscErrorCode MatShellTestMultTranspose(Mat,PetscErrorCode (*)(void*,Vec,Vec),Vec,void*,PetscBool*);
1687 PETSC_EXTERN PetscErrorCode MatShellSetManageScalingShifts(Mat);
1688 PETSC_EXTERN PetscErrorCode MatShellSetMatProductOperation(Mat,MatProductType,PetscErrorCode (*)(Mat,Mat,Mat,void**),PetscErrorCode (*)(Mat,Mat,Mat,void*),PetscErrorCode (*)(void*),MatType,MatType);
1689 PETSC_EXTERN PetscErrorCode MatIsShell(Mat,PetscBool*);
1690 
1691 /*
1692    Codes for matrices stored on disk. By default they are
1693    stored in a universal format. By changing the format with
1694    PetscViewerPushFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1695    be stored in a way natural for the matrix, for example dense matrices
1696    would be stored as dense. Matrices stored this way may only be
1697    read into matrices of the same type.
1698 */
1699 #define MATRIX_BINARY_FORMAT_DENSE -1
1700 
1701 PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1702 
1703 PETSC_EXTERN PetscErrorCode MatISSetLocalMatType(Mat,MatType);
1704 PETSC_EXTERN PetscErrorCode MatISSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
1705 PETSC_EXTERN PetscErrorCode MatISStoreL2L(Mat,PetscBool);
1706 PETSC_EXTERN PetscErrorCode MatISFixLocalEmpty(Mat,PetscBool);
1707 PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1708 PETSC_EXTERN PetscErrorCode MatISRestoreLocalMat(Mat,Mat*);
1709 PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);
1710 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use the MatConvert() interface (since version 3.10)") PetscErrorCode MatISGetMPIXAIJ(Mat,MatReuse,Mat*);
1711 
1712 /*S
1713      MatNullSpace - Object that removes a null space from a vector, i.e.
1714          orthogonalizes the vector to a subsapce
1715 
1716    Level: advanced
1717 
1718   Users manual sections:
1719 .   sec_singular
1720 
1721 .seealso:  MatNullSpaceCreate()
1722 S*/
1723 typedef struct _p_MatNullSpace* MatNullSpace;
1724 
1725 PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1726 PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1727 PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1728 PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1729 PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1730 PETSC_EXTERN PetscErrorCode MatGetTransposeNullSpace(Mat, MatNullSpace *);
1731 PETSC_EXTERN PetscErrorCode MatSetTransposeNullSpace(Mat,MatNullSpace);
1732 PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1733 PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1734 PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1735 PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1736 PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1737 PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1738 PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);
1739 
1740 PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1741 PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1742 PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1743 
1744 PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1745 PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1746 PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);
1747 
1748 PETSC_EXTERN PetscErrorCode MatComputeOperator(Mat,MatType,Mat*);
1749 PETSC_EXTERN PetscErrorCode MatComputeOperatorTranspose(Mat,MatType,Mat*);
1750 
1751 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperator(Mat A,Mat* B) { return MatComputeOperator(A,NULL,B); }
1752 PETSC_DEPRECATED_FUNCTION("Use MatComputeOperatorTranspose() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode MatComputeExplicitOperatorTranspose(Mat A,Mat* B) { return MatComputeOperatorTranspose(A,NULL,B); }
1753 
1754 PETSC_EXTERN PetscErrorCode MatCreateKAIJ(Mat,PetscInt,PetscInt,const PetscScalar[],const PetscScalar[],Mat*);
1755 PETSC_EXTERN PetscErrorCode MatKAIJGetAIJ(Mat,Mat*);
1756 PETSC_EXTERN PetscErrorCode MatKAIJGetS(Mat,PetscInt*,PetscInt*,PetscScalar**);
1757 PETSC_EXTERN PetscErrorCode MatKAIJGetSRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1758 PETSC_EXTERN PetscErrorCode MatKAIJRestoreS(Mat,PetscScalar**);
1759 PETSC_EXTERN PetscErrorCode MatKAIJRestoreSRead(Mat,const PetscScalar**);
1760 PETSC_EXTERN PetscErrorCode MatKAIJGetT(Mat,PetscInt*,PetscInt*,PetscScalar**);
1761 PETSC_EXTERN PetscErrorCode MatKAIJGetTRead(Mat,PetscInt*,PetscInt*,const PetscScalar**);
1762 PETSC_EXTERN PetscErrorCode MatKAIJRestoreT(Mat,PetscScalar**);
1763 PETSC_EXTERN PetscErrorCode MatKAIJRestoreTRead(Mat,const PetscScalar**);
1764 PETSC_EXTERN PetscErrorCode MatKAIJSetAIJ(Mat,Mat);
1765 PETSC_EXTERN PetscErrorCode MatKAIJSetS(Mat,PetscInt,PetscInt,const PetscScalar[]);
1766 PETSC_EXTERN PetscErrorCode MatKAIJSetT(Mat,PetscInt,PetscInt,const PetscScalar[]);
1767 PETSC_EXTERN PetscErrorCode MatKAIJGetScaledIdentity(Mat,PetscBool*);
1768 
1769 PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);
1770 
1771 PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1772 PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1773 PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1774 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1775 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1776 PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1777 PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1778 PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1779 PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1780 PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1781 PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1782 PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1783 PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);
1784 
1785 /*S
1786     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1787               Jacobian vector products
1788 
1789     Notes:
1790     MATMFFD is a specific MatType which uses the MatMFFD data structure
1791 
1792            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure
1793 
1794     Level: developer
1795 
1796 .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1797 S*/
1798 typedef struct _p_MatMFFD* MatMFFD;
1799 
1800 /*J
1801     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function
1802 
1803    Level: beginner
1804 
1805 .seealso: MatMFFDSetType(), MatMFFDRegister()
1806 J*/
1807 typedef const char* MatMFFDType;
1808 #define MATMFFD_DS  "ds"
1809 #define MATMFFD_WP  "wp"
1810 
1811 PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1812 PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));
1813 
1814 PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1815 PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool);
1816 
1817 PETSC_EXTERN PetscErrorCode MatFDColoringSetType(MatFDColoring,MatMFFDType);
1818 
1819 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1820 PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);
1821 
1822 #ifdef PETSC_HAVE_HARA
1823 PETSC_EXTERN_TYPEDEF typedef PetscScalar (*MatHaraKernel)(PetscInt,PetscReal[],PetscReal[],void*);
1824 PETSC_EXTERN PetscErrorCode MatCreateHaraFromKernel(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscReal[],MatHaraKernel,void*,PetscReal,PetscInt,PetscInt,Mat*);
1825 PETSC_EXTERN PetscErrorCode MatCreateHaraFromMat(Mat,PetscInt,const PetscReal[],PetscReal,PetscInt,PetscInt,PetscInt,PetscReal,Mat*);
1826 PETSC_EXTERN PetscErrorCode MatHaraSetSamplingMat(Mat,Mat,PetscInt,PetscReal);
1827 #endif
1828 
1829 /*
1830    PETSc interface to MUMPS
1831 */
1832 #ifdef PETSC_HAVE_MUMPS
1833 PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1834 PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1835 PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1836 PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);
1837 
1838 PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1839 PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1840 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1841 PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1842 PETSC_EXTERN PetscErrorCode MatMumpsGetInverse(Mat,Mat);
1843 PETSC_EXTERN PetscErrorCode MatMumpsGetInverseTranspose(Mat,Mat);
1844 #endif
1845 
1846 /*
1847    PETSc interface to Mkl_Pardiso
1848 */
1849 #ifdef PETSC_HAVE_MKL_PARDISO
1850 PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1851 #endif
1852 
1853 /*
1854    PETSc interface to Mkl_CPardiso
1855 */
1856 #ifdef PETSC_HAVE_MKL_CPARDISO
1857 PETSC_EXTERN PetscErrorCode MatMkl_CPardisoSetCntl(Mat,PetscInt,PetscInt);
1858 #endif
1859 
1860 /*
1861    PETSc interface to SUPERLU
1862 */
1863 #ifdef PETSC_HAVE_SUPERLU
1864 PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1865 #endif
1866 
1867 /*
1868    PETSc interface to SUPERLU_DIST
1869 */
1870 #ifdef PETSC_HAVE_SUPERLU_DIST
1871 PETSC_EXTERN PetscErrorCode MatSuperluDistGetDiagU(Mat,PetscScalar*);
1872 #endif
1873 
1874 /*
1875    PETSc interface to STRUMPACK
1876 */
1877 #ifdef PETSC_HAVE_STRUMPACK
1878 /*E
1879     MatSTRUMPACKReordering - sparsity reducing ordering to be used in STRUMPACK
1880 
1881     Level: intermediate
1882 E*/
1883 typedef enum {MAT_STRUMPACK_NATURAL=0,
1884               MAT_STRUMPACK_METIS=1,
1885               MAT_STRUMPACK_PARMETIS=2,
1886               MAT_STRUMPACK_SCOTCH=3,
1887               MAT_STRUMPACK_PTSCOTCH=4,
1888               MAT_STRUMPACK_RCM=5} MatSTRUMPACKReordering;
1889 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetReordering(Mat,MatSTRUMPACKReordering);
1890 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetColPerm(Mat,PetscBool);
1891 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSRelTol(Mat,PetscReal);
1892 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSRelTol() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSRelCompTol(Mat mat,PetscReal rtol) {return MatSTRUMPACKSetHSSRelTol(mat,rtol);}
1893 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat,PetscReal);
1894 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat,PetscInt);
1895 PETSC_DEPRECATED_FUNCTION("Use MatSTRUMPACKSetHSSMinSepSize() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode MatSTRUMPACKSetHSSMinSize(Mat mat,PetscInt hssminsize) {return MatSTRUMPACKSetHSSMinSepSize(mat,hssminsize);}
1896 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSMaxRank(Mat,PetscInt);
1897 PETSC_EXTERN PetscErrorCode MatSTRUMPACKSetHSSLeafSize(Mat,PetscInt);
1898 #endif
1899 
1900 
1901 PETSC_EXTERN PetscErrorCode MatBindToCPU(Mat,PetscBool);
1902 PETSC_DEPRECATED_FUNCTION("Use MatBindToCPU (since v3.13)") PETSC_STATIC_INLINE PetscErrorCode MatPinToCPU(Mat A,PetscBool flg) {return MatBindToCPU(A,flg);}
1903 
1904 typedef struct _p_SplitCSRMat PetscSplitCSRDataStructure;
1905 
1906 #ifdef PETSC_HAVE_KOKKOS_KERNELS
1907 PETSC_EXTERN PetscErrorCode MatKokkosGetDeviceMatWrite(Mat,PetscSplitCSRDataStructure**);
1908 PETSC_EXTERN PetscErrorCode MatSeqAIJKokkosSetDeviceMat(Mat, PetscSplitCSRDataStructure *);
1909 PETSC_EXTERN PetscErrorCode MatSeqAIJKokkosGetDeviceMat(Mat, PetscSplitCSRDataStructure **);
1910 #endif
1911 
1912 #ifdef PETSC_HAVE_CUDA
1913 /*E
1914     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1915     matrices.
1916 
1917     Not Collective
1918 
1919 +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1920 .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1921 -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).
1922 
1923     Level: intermediate
1924 
1925    Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h
1926 
1927 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1928 E*/
1929 
1930 typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;
1931 
1932 /* these will be strings associated with enumerated type defined above */
1933 PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];
1934 
1935 /*E
1936     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1937     matrices whose operation should use a particular storage format.
1938 
1939     Not Collective
1940 
1941 +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1942 .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1943 .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1944 -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices
1945 
1946     Level: intermediate
1947 
1948 .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1949 E*/
1950 typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;
1951 
1952 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1953 PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1954 PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1955 typedef struct Mat_SeqAIJCUSPARSETriFactors* Mat_SeqAIJCUSPARSETriFactors_p;
1956 PETSC_INTERN PetscErrorCode MatSeqAIJCUSPARSETriFactors_Reset(Mat_SeqAIJCUSPARSETriFactors_p*);
1957 
1958 PETSC_EXTERN PetscErrorCode MatCUSPARSEGetDeviceMatWrite(Mat,PetscSplitCSRDataStructure**);
1959 
1960 PETSC_EXTERN PetscErrorCode MatCreateDenseCUDA(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
1961 PETSC_EXTERN PetscErrorCode MatCreateSeqDenseCUDA(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
1962 PETSC_EXTERN PetscErrorCode MatMPIDenseCUDASetPreallocation(Mat,PetscScalar[]);
1963 PETSC_EXTERN PetscErrorCode MatSeqDenseCUDASetPreallocation(Mat,PetscScalar[]);
1964 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayWrite(Mat,PetscScalar**);
1965 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArrayRead(Mat,const PetscScalar**);
1966 PETSC_EXTERN PetscErrorCode MatDenseCUDAGetArray(Mat,PetscScalar**);
1967 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayWrite(Mat,PetscScalar**);
1968 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArrayRead(Mat,const PetscScalar**);
1969 PETSC_EXTERN PetscErrorCode MatDenseCUDARestoreArray(Mat,PetscScalar**);
1970 PETSC_EXTERN PetscErrorCode MatDenseCUDAPlaceArray(Mat,const PetscScalar*);
1971 PETSC_EXTERN PetscErrorCode MatDenseCUDAReplaceArray(Mat,const PetscScalar*);
1972 PETSC_EXTERN PetscErrorCode MatDenseCUDAResetArray(Mat);
1973 
1974 #endif
1975 
1976 #if defined(PETSC_HAVE_VIENNACL)
1977 PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1978 PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1979 #endif
1980 
1981 /*
1982    PETSc interface to FFTW
1983 */
1984 #if defined(PETSC_HAVE_FFTW)
1985 PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1986 PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1987 PETSC_EXTERN PetscErrorCode MatCreateVecsFFTW(Mat,Vec*,Vec*,Vec*);
1988 #endif
1989 
1990 #if defined(PETSC_HAVE_SCALAPACK)
1991 PETSC_EXTERN PetscErrorCode MatCreateScaLAPACK(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1992 PETSC_EXTERN PetscErrorCode MatScaLAPACKSetBlockSizes(Mat,PetscInt,PetscInt);
1993 PETSC_EXTERN PetscErrorCode MatScaLAPACKGetBlockSizes(Mat,PetscInt*,PetscInt*);
1994 #endif
1995 
1996 PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1997 PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1998 PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1999 PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
2000 PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
2001 PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
2002 PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
2003 PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
2004 PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);
2005 
2006 PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
2007 PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);
2008 
2009 PETSC_EXTERN PetscErrorCode MatSubdomainsCreateCoalesce(Mat,PetscInt,PetscInt*,IS**);
2010 
2011 PETSC_EXTERN PetscErrorCode MatPreallocatorPreallocate(Mat,PetscBool,Mat);
2012 
2013 PETSC_INTERN PetscErrorCode MatHeaderMerge(Mat,Mat*);
2014 PETSC_EXTERN PetscErrorCode MatHeaderReplace(Mat,Mat*);
2015 
2016 #endif
2017