Actual source code: petscmat.h

petsc-3.5.2 2014-09-08
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  1: /*
  2:      Include file for the matrix component of PETSc
  3: */
  4: #ifndef __PETSCMAT_H
  6: #include <petscvec.h>

  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)

 12:    Level: beginner

 14:   Concepts: matrix; linear operator

 16: .seealso:  MatCreate(), MatType, MatSetType(), MatDestroy()
 17: S*/
 18: typedef struct _p_Mat*           Mat;

 20: /*J
 21:     MatType - String with the name of a PETSc matrix type

 23:    Level: beginner

 25: .seealso: MatSetType(), Mat, MatSolverPackage, MatRegister()
 26: J*/
 27: typedef const char* MatType;
 28: #define MATSAME            "same"
 29: #define MATMAIJ            "maij"
 30: #define MATSEQMAIJ         "seqmaij"
 31: #define MATMPIMAIJ         "mpimaij"
 32: #define MATIS              "is"
 33: #define MATAIJ             "aij"
 34: #define MATSEQAIJ          "seqaij"
 35: #define MATSEQAIJPTHREAD   "seqaijpthread"
 36: #define MATAIJPTHREAD      "aijpthread"
 37: #define MATMPIAIJ          "mpiaij"
 38: #define MATAIJCRL          "aijcrl"
 39: #define MATSEQAIJCRL       "seqaijcrl"
 40: #define MATMPIAIJCRL       "mpiaijcrl"
 41: #define MATAIJCUSP         "aijcusp"
 42: #define MATSEQAIJCUSP      "seqaijcusp"
 43: #define MATMPIAIJCUSP      "mpiaijcusp"
 44: #define MATAIJCUSPARSE     "aijcusparse"
 45: #define MATSEQAIJCUSPARSE  "seqaijcusparse"
 46: #define MATMPIAIJCUSPARSE  "mpiaijcusparse"
 47: #define MATAIJVIENNACL     "aijviennacl"
 48: #define MATSEQAIJVIENNACL  "seqaijviennacl"
 49: #define MATMPIAIJVIENNACL  "mpiaijviennacl"
 50: #define MATAIJPERM         "aijperm"
 51: #define MATSEQAIJPERM      "seqaijperm"
 52: #define MATMPIAIJPERM      "mpiaijperm"
 53: #define MATSHELL           "shell"
 54: #define MATDENSE           "dense"
 55: #define MATSEQDENSE        "seqdense"
 56: #define MATMPIDENSE        "mpidense"
 57: #define MATELEMENTAL       "elemental"
 58: #define MATBAIJ            "baij"
 59: #define MATSEQBAIJ         "seqbaij"
 60: #define MATMPIBAIJ         "mpibaij"
 61: #define MATMPIADJ          "mpiadj"
 62: #define MATSBAIJ           "sbaij"
 63: #define MATSEQSBAIJ        "seqsbaij"
 64: #define MATMPISBAIJ        "mpisbaij"
 65: #define MATSEQBSTRM        "seqbstrm"
 66: #define MATMPIBSTRM        "mpibstrm"
 67: #define MATBSTRM           "bstrm"
 68: #define MATSEQSBSTRM       "seqsbstrm"
 69: #define MATMPISBSTRM       "mpisbstrm"
 70: #define MATSBSTRM          "sbstrm"
 71: #define MATDAAD            "daad"
 72: #define MATMFFD            "mffd"
 73: #define MATNORMAL          "normal"
 74: #define MATLRC             "lrc"
 75: #define MATSCATTER         "scatter"
 76: #define MATBLOCKMAT        "blockmat"
 77: #define MATCOMPOSITE       "composite"
 78: #define MATFFT             "fft"
 79: #define MATFFTW            "fftw"
 80: #define MATSEQCUFFT        "seqcufft"
 81: #define MATTRANSPOSEMAT    "transpose"
 82: #define MATSCHURCOMPLEMENT "schurcomplement"
 83: #define MATPYTHON          "python"
 84: #define MATHYPRESTRUCT     "hyprestruct"
 85: #define MATHYPRESSTRUCT    "hypresstruct"
 86: #define MATSUBMATRIX       "submatrix"
 87: #define MATLOCALREF        "localref"
 88: #define MATNEST            "nest"

 90: /*J
 91:     MatSolverPackage - String with the name of a PETSc matrix solver type.

 93:     For example: "petsc" indicates what PETSc provides, "superlu" indicates either
 94:        SuperLU or SuperLU_Dist etc.


 97:    Level: beginner

 99: .seealso: MatGetFactor(), Mat, MatSetType(), MatType
100: J*/
101: #define MatSolverPackage char*
102: #define MATSOLVERSUPERLU      "superlu"
103: #define MATSOLVERSUPERLU_DIST "superlu_dist"
104: #define MATSOLVERUMFPACK      "umfpack"
105: #define MATSOLVERCHOLMOD      "cholmod"
106: #define MATSOLVERESSL         "essl"
107: #define MATSOLVERLUSOL        "lusol"
108: #define MATSOLVERMUMPS        "mumps"
109: #define MATSOLVERMKL_PARDISO  "mkl_pardiso"
110: #define MATSOLVERPASTIX       "pastix"
111: #define MATSOLVERMATLAB       "matlab"
112: #define MATSOLVERPETSC        "petsc"
113: #define MATSOLVERBAS          "bas"
114: #define MATSOLVERCUSPARSE     "cusparse"
115: #define MATSOLVERBSTRM        "bstrm"
116: #define MATSOLVERSBSTRM       "sbstrm"
117: #define MATSOLVERELEMENTAL    "elemental"
118: #define MATSOLVERCLIQUE       "clique"
119: #define MATSOLVERKLU          "klu"

121: /*E
122:     MatFactorType - indicates what type of factorization is requested

124:     Level: beginner

126:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

128: .seealso: MatSolverPackage, MatGetFactor()
129: E*/
130: typedef enum {MAT_FACTOR_NONE, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ILU, MAT_FACTOR_ICC,MAT_FACTOR_ILUDT} MatFactorType;
131: PETSC_EXTERN const char *const MatFactorTypes[];

133: PETSC_EXTERN PetscErrorCode MatGetFactor(Mat,const MatSolverPackage,MatFactorType,Mat*);
134: PETSC_EXTERN PetscErrorCode MatGetFactorAvailable(Mat,const MatSolverPackage,MatFactorType,PetscBool *);
135: PETSC_EXTERN PetscErrorCode MatFactorGetSolverPackage(Mat,const MatSolverPackage*);
136: PETSC_EXTERN PetscErrorCode MatGetFactorType(Mat,MatFactorType*);

138: /* Logging support */
139: #define    MAT_FILE_CLASSID 1211216    /* used to indicate matrices in binary files */
140: PETSC_EXTERN PetscClassId MAT_CLASSID;
141: PETSC_EXTERN PetscClassId MAT_COLORING_CLASSID;
142: PETSC_EXTERN PetscClassId MAT_FDCOLORING_CLASSID;
143: PETSC_EXTERN PetscClassId MAT_TRANSPOSECOLORING_CLASSID;
144: PETSC_EXTERN PetscClassId MAT_PARTITIONING_CLASSID;
145: PETSC_EXTERN PetscClassId MAT_COARSEN_CLASSID;
146: PETSC_EXTERN PetscClassId MAT_NULLSPACE_CLASSID;
147: PETSC_EXTERN PetscClassId MATMFFD_CLASSID;

149: /*E
150:     MatReuse - Indicates if matrices obtained from a previous call to MatGetSubMatrices()
151:      or MatGetSubMatrix() are to be reused to store the new matrix values. For MatConvert() is used to indicate
152:      that the input matrix is to be replaced with the converted matrix.

154:     Level: beginner

156:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

158: .seealso: MatGetSubMatrices(), MatGetSubMatrix(), MatDestroyMatrices(), MatConvert()
159: E*/
160: typedef enum {MAT_INITIAL_MATRIX,MAT_REUSE_MATRIX,MAT_IGNORE_MATRIX} MatReuse;

162: /*E
163:     MatGetSubMatrixOption - Indicates if matrices obtained from a call to MatGetSubMatrices()
164:      include the matrix values. Currently it is only used by MatGetSeqNonzerostructure().

166:     Level: beginner

168: .seealso: MatGetSeqNonzerostructure()
169: E*/
170: typedef enum {MAT_DO_NOT_GET_VALUES,MAT_GET_VALUES} MatGetSubMatrixOption;

172: PETSC_EXTERN PetscErrorCode MatInitializePackage(void);

174: PETSC_EXTERN PetscErrorCode MatCreate(MPI_Comm,Mat*);
175: PETSC_EXTERN PetscErrorCode MatSetSizes(Mat,PetscInt,PetscInt,PetscInt,PetscInt);
176: PETSC_EXTERN PetscErrorCode MatSetType(Mat,MatType);
177: PETSC_EXTERN PetscErrorCode MatSetFromOptions(Mat);
178: PETSC_STATIC_INLINE PetscErrorCode MatViewFromOptions(Mat A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);}
179: PETSC_EXTERN PetscErrorCode MatRegisterAll(void);
180: PETSC_EXTERN PetscErrorCode MatRegister(const char[],PetscErrorCode(*)(Mat));
181: PETSC_EXTERN PetscErrorCode MatRegisterBaseName(const char[],const char[],const char[]);
182: PETSC_EXTERN PetscErrorCode MatSetOptionsPrefix(Mat,const char[]);
183: PETSC_EXTERN PetscErrorCode MatAppendOptionsPrefix(Mat,const char[]);
184: PETSC_EXTERN PetscErrorCode MatGetOptionsPrefix(Mat,const char*[]);

186: PETSC_EXTERN PetscBool         MatRegisterAllCalled;
187: PETSC_EXTERN PetscFunctionList MatList;
188: PETSC_EXTERN PetscFunctionList MatColoringList;
189: PETSC_EXTERN PetscFunctionList MatPartitioningList;
190: PETSC_EXTERN PetscFunctionList MatCoarsenList;

192: /*E
193:     MatStructure - Indicates if two matrices have the same nonzero structure

195:     Level: beginner

197:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

199: .seealso: MatCopy(), MatAXPY()
200: E*/
201: typedef enum {DIFFERENT_NONZERO_PATTERN,SUBSET_NONZERO_PATTERN,SAME_NONZERO_PATTERN} MatStructure;

203: PETSC_EXTERN PetscErrorCode MatCreateSeqDense(MPI_Comm,PetscInt,PetscInt,PetscScalar[],Mat*);
204: PETSC_EXTERN PetscErrorCode MatCreateDense(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscScalar[],Mat*);
205: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
206: PETSC_EXTERN PetscErrorCode MatCreateAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
207: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
208: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJWithSplitArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],PetscInt[],PetscInt[],PetscScalar[],Mat*);

210: PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
211: PETSC_EXTERN PetscErrorCode MatCreateBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
212: PETSC_EXTERN PetscErrorCode MatCreateMPIBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat*);

214: PETSC_EXTERN PetscErrorCode MatCreateMPIAdj(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscInt[],Mat*);
215: PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);

217: PETSC_EXTERN PetscErrorCode MatCreateSBAIJ(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
218: PETSC_EXTERN PetscErrorCode MatCreateMPISBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[],Mat *);
219: PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
220: PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
221: PETSC_EXTERN PetscErrorCode MatXAIJSetPreallocation(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscInt[],const PetscInt[]);

223: PETSC_EXTERN PetscErrorCode MatCreateShell(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,void *,Mat*);
224: PETSC_EXTERN PetscErrorCode MatCreateNormal(Mat,Mat*);
225: PETSC_EXTERN PetscErrorCode MatCreateLRC(Mat,Mat,Mat,Mat*);
226: PETSC_EXTERN PetscErrorCode MatCreateIS(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,ISLocalToGlobalMapping,Mat*);
227: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
228: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJCRL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);

230: PETSC_EXTERN PetscErrorCode MatCreateSeqBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
231: PETSC_EXTERN PetscErrorCode MatCreateMPIBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
232: PETSC_EXTERN PetscErrorCode MatCreateSeqSBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
233: PETSC_EXTERN PetscErrorCode MatCreateMPISBSTRM(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);

235: PETSC_EXTERN PetscErrorCode MatCreateScatter(MPI_Comm,VecScatter,Mat*);
236: PETSC_EXTERN PetscErrorCode MatScatterSetVecScatter(Mat,VecScatter);
237: PETSC_EXTERN PetscErrorCode MatScatterGetVecScatter(Mat,VecScatter*);
238: PETSC_EXTERN PetscErrorCode MatCreateBlockMat(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,Mat*);
239: PETSC_EXTERN PetscErrorCode MatCompositeAddMat(Mat,Mat);
240: PETSC_EXTERN PetscErrorCode MatCompositeMerge(Mat);
241: PETSC_EXTERN PetscErrorCode MatCreateComposite(MPI_Comm,PetscInt,const Mat*,Mat*);
242: typedef enum {MAT_COMPOSITE_ADDITIVE,MAT_COMPOSITE_MULTIPLICATIVE} MatCompositeType;
243: PETSC_EXTERN PetscErrorCode MatCompositeSetType(Mat,MatCompositeType);

245: PETSC_EXTERN PetscErrorCode MatCreateFFT(MPI_Comm,PetscInt,const PetscInt[],MatType,Mat*);
246: PETSC_EXTERN PetscErrorCode MatCreateSeqCUFFT(MPI_Comm,PetscInt,const PetscInt[],Mat*);

248: PETSC_EXTERN PetscErrorCode MatCreateTranspose(Mat,Mat*);
249: PETSC_EXTERN PetscErrorCode MatCreateSubMatrix(Mat,IS,IS,Mat*);
250: PETSC_EXTERN PetscErrorCode MatSubMatrixUpdate(Mat,Mat,IS,IS);
251: PETSC_EXTERN PetscErrorCode MatCreateLocalRef(Mat,IS,IS,Mat*);

253: PETSC_EXTERN PetscErrorCode MatPythonSetType(Mat,const char[]);

255: PETSC_EXTERN PetscErrorCode MatSetUp(Mat);
256: PETSC_EXTERN PetscErrorCode MatDestroy(Mat*);
257: PETSC_EXTERN PetscErrorCode MatGetNonzeroState(Mat,PetscObjectState*);

259: PETSC_EXTERN PetscErrorCode MatConjugate(Mat);
260: PETSC_EXTERN PetscErrorCode MatRealPart(Mat);
261: PETSC_EXTERN PetscErrorCode MatImaginaryPart(Mat);
262: PETSC_EXTERN PetscErrorCode MatGetDiagonalBlock(Mat,Mat*);
263: PETSC_EXTERN PetscErrorCode MatGetTrace(Mat,PetscScalar*);
264: PETSC_EXTERN PetscErrorCode MatInvertBlockDiagonal(Mat,const PetscScalar **);

266: /* ------------------------------------------------------------*/
267: PETSC_EXTERN PetscErrorCode MatSetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
268: PETSC_EXTERN PetscErrorCode MatSetValuesBlocked(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
269: PETSC_EXTERN PetscErrorCode MatSetValuesRow(Mat,PetscInt,const PetscScalar[]);
270: PETSC_EXTERN PetscErrorCode MatSetValuesRowLocal(Mat,PetscInt,const PetscScalar[]);
271: PETSC_EXTERN PetscErrorCode MatSetValuesBatch(Mat,PetscInt,PetscInt,PetscInt[],const PetscScalar[]);
272: PETSC_EXTERN PetscErrorCode MatSetRandom(Mat,PetscRandom);

274: /*S
275:      MatStencil - Data structure (C struct) for storing information about a single row or
276:         column of a matrix as indexed on an associated grid.

278:    Fortran usage is different, see MatSetValuesStencil() for details.

280:    Level: beginner

282:   Concepts: matrix; linear operator

284: .seealso:  MatSetValuesStencil(), MatSetStencil(), MatSetValuesBlockedStencil()
285: S*/
286: typedef struct {
287:   PetscInt k,j,i,c;
288: } MatStencil;

290: PETSC_EXTERN PetscErrorCode MatSetValuesStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
291: PETSC_EXTERN PetscErrorCode MatSetValuesBlockedStencil(Mat,PetscInt,const MatStencil[],PetscInt,const MatStencil[],const PetscScalar[],InsertMode);
292: PETSC_EXTERN PetscErrorCode MatSetStencil(Mat,PetscInt,const PetscInt[],const PetscInt[],PetscInt);

294: PETSC_EXTERN PetscErrorCode MatSetColoring(Mat,ISColoring);
295: PETSC_EXTERN PetscErrorCode MatSetValuesAdifor(Mat,PetscInt,void*);

297: /*E
298:     MatAssemblyType - Indicates if the matrix is now to be used, or if you plan
299:      to continue to add values to it

301:     Level: beginner

303: .seealso: MatAssemblyBegin(), MatAssemblyEnd()
304: E*/
305: typedef enum {MAT_FLUSH_ASSEMBLY=1,MAT_FINAL_ASSEMBLY=0} MatAssemblyType;
306: PETSC_EXTERN PetscErrorCode MatAssemblyBegin(Mat,MatAssemblyType);
307: PETSC_EXTERN PetscErrorCode MatAssemblyEnd(Mat,MatAssemblyType);
308: PETSC_EXTERN PetscErrorCode MatAssembled(Mat,PetscBool *);



312: /*E
313:     MatOption - Options that may be set for a matrix and its behavior or storage

315:     Level: beginner

317:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

319:    Developer Notes: Entries that are negative need not be called collectively by all processes.

321: .seealso: MatSetOption()
322: E*/
323: typedef enum {MAT_OPTION_MIN = -5,
324:               MAT_NEW_NONZERO_LOCATION_ERR = -4,
325:               MAT_UNUSED_NONZERO_LOCATION_ERR = -3,
326:               MAT_NEW_NONZERO_ALLOCATION_ERR = -2,
327:               MAT_ROW_ORIENTED = -1,
328:               MAT_SYMMETRIC = 1,
329:               MAT_STRUCTURALLY_SYMMETRIC = 2,
330:               MAT_NEW_DIAGONALS = 3,
331:               MAT_IGNORE_OFF_PROC_ENTRIES = 4,
332:               MAT_USE_HASH_TABLE = 5,
333:               MAT_KEEP_NONZERO_PATTERN = 6,
334:               MAT_IGNORE_ZERO_ENTRIES = 7,
335:               MAT_USE_INODES = 8,
336:               MAT_HERMITIAN = 9,
337:               MAT_SYMMETRY_ETERNAL = 10,
338:               MAT_DUMMY = 11,
339:               MAT_IGNORE_LOWER_TRIANGULAR = 12,
340:               MAT_ERROR_LOWER_TRIANGULAR = 13,
341:               MAT_GETROW_UPPERTRIANGULAR = 14,
342:               MAT_SPD = 15,
343:               MAT_NO_OFF_PROC_ZERO_ROWS = 16,
344:               MAT_NO_OFF_PROC_ENTRIES = 17,
345:               MAT_NEW_NONZERO_LOCATIONS = 18,
346:               MAT_OPTION_MAX = 19} MatOption;

348: PETSC_EXTERN const char *MatOptions[];
349: PETSC_EXTERN PetscErrorCode MatSetOption(Mat,MatOption,PetscBool );
350: PETSC_EXTERN PetscErrorCode MatGetType(Mat,MatType*);

352: PETSC_EXTERN PetscErrorCode MatGetValues(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscScalar[]);
353: PETSC_EXTERN PetscErrorCode MatGetRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
354: PETSC_EXTERN PetscErrorCode MatRestoreRow(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
355: PETSC_EXTERN PetscErrorCode MatGetRowUpperTriangular(Mat);
356: PETSC_EXTERN PetscErrorCode MatRestoreRowUpperTriangular(Mat);
357: PETSC_EXTERN PetscErrorCode MatGetColumn(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
358: PETSC_EXTERN PetscErrorCode MatRestoreColumn(Mat,PetscInt,PetscInt *,const PetscInt *[],const PetscScalar*[]);
359: PETSC_EXTERN PetscErrorCode MatGetColumnVector(Mat,Vec,PetscInt);
360: PETSC_EXTERN PetscErrorCode MatSeqAIJGetArray(Mat,PetscScalar *[]);
361: PETSC_EXTERN PetscErrorCode MatSeqAIJRestoreArray(Mat,PetscScalar *[]);
362: PETSC_EXTERN PetscErrorCode MatSeqAIJGetMaxRowNonzeros(Mat,PetscInt*);
363: PETSC_EXTERN PetscErrorCode MatSeqAIJSetValuesLocalFast(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
364: PETSC_EXTERN PetscErrorCode MatDenseGetArray(Mat,PetscScalar *[]);
365: PETSC_EXTERN PetscErrorCode MatDenseRestoreArray(Mat,PetscScalar *[]);
366: PETSC_EXTERN PetscErrorCode MatGetBlockSize(Mat,PetscInt *);
367: PETSC_EXTERN PetscErrorCode MatSetBlockSize(Mat,PetscInt);
368: PETSC_EXTERN PetscErrorCode MatGetBlockSizes(Mat,PetscInt *,PetscInt *);
369: PETSC_EXTERN PetscErrorCode MatSetBlockSizes(Mat,PetscInt,PetscInt);
370: PETSC_EXTERN PetscErrorCode MatSetBlockSizesFromMats(Mat,Mat,Mat);
371: PETSC_EXTERN PetscErrorCode MatSetNThreads(Mat,PetscInt);
372: PETSC_EXTERN PetscErrorCode MatGetNThreads(Mat,PetscInt*);

374: PETSC_EXTERN PetscErrorCode MatMult(Mat,Vec,Vec);
375: PETSC_EXTERN PetscErrorCode MatMultDiagonalBlock(Mat,Vec,Vec);
376: PETSC_EXTERN PetscErrorCode MatMultAdd(Mat,Vec,Vec,Vec);
377: PETSC_EXTERN PetscErrorCode MatMultTranspose(Mat,Vec,Vec);
378: PETSC_EXTERN PetscErrorCode MatMultHermitianTranspose(Mat,Vec,Vec);
379: PETSC_EXTERN PetscErrorCode MatIsTranspose(Mat,Mat,PetscReal,PetscBool *);
380: PETSC_EXTERN PetscErrorCode MatIsHermitianTranspose(Mat,Mat,PetscReal,PetscBool *);
381: PETSC_EXTERN PetscErrorCode MatMultTransposeAdd(Mat,Vec,Vec,Vec);
382: PETSC_EXTERN PetscErrorCode MatMultHermitianTransposeAdd(Mat,Vec,Vec,Vec);
383: PETSC_EXTERN PetscErrorCode MatMultConstrained(Mat,Vec,Vec);
384: PETSC_EXTERN PetscErrorCode MatMultTransposeConstrained(Mat,Vec,Vec);
385: PETSC_EXTERN PetscErrorCode MatMatSolve(Mat,Mat,Mat);
386: PETSC_EXTERN PetscErrorCode MatResidual(Mat,Vec,Vec,Vec);

388: /*E
389:     MatDuplicateOption - Indicates if a duplicated sparse matrix should have
390:   its numerical values copied over or just its nonzero structure.

392:     Level: beginner

394:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

396: $   MAT_SHARE_NONZERO_PATTERN - the i and j arrays in the new matrix will be shared with the original matrix
397: $                               this also triggers the MAT_DO_NOT_COPY_VALUES option. This is used when you
398: $                               have several matrices with the same nonzero pattern.

400: .seealso: MatDuplicate()
401: E*/
402: typedef enum {MAT_DO_NOT_COPY_VALUES,MAT_COPY_VALUES,MAT_SHARE_NONZERO_PATTERN} MatDuplicateOption;

404: PETSC_EXTERN PetscErrorCode MatConvert(Mat,MatType,MatReuse,Mat*);
405: PETSC_EXTERN PetscErrorCode MatDuplicate(Mat,MatDuplicateOption,Mat*);


408: PETSC_EXTERN PetscErrorCode MatCopy(Mat,Mat,MatStructure);
409: PETSC_EXTERN PetscErrorCode MatView(Mat,PetscViewer);
410: PETSC_EXTERN PetscErrorCode MatIsSymmetric(Mat,PetscReal,PetscBool *);
411: PETSC_EXTERN PetscErrorCode MatIsStructurallySymmetric(Mat,PetscBool *);
412: PETSC_EXTERN PetscErrorCode MatIsHermitian(Mat,PetscReal,PetscBool *);
413: PETSC_EXTERN PetscErrorCode MatIsSymmetricKnown(Mat,PetscBool *,PetscBool *);
414: PETSC_EXTERN PetscErrorCode MatIsHermitianKnown(Mat,PetscBool *,PetscBool *);
415: PETSC_EXTERN PetscErrorCode MatMissingDiagonal(Mat,PetscBool  *,PetscInt *);
416: PETSC_EXTERN PetscErrorCode MatLoad(Mat, PetscViewer);

418: PETSC_EXTERN PetscErrorCode MatGetRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
419: PETSC_EXTERN PetscErrorCode MatRestoreRowIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);
420: PETSC_EXTERN PetscErrorCode MatGetColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt*,const PetscInt *[],const PetscInt *[],PetscBool  *);
421: PETSC_EXTERN PetscErrorCode MatRestoreColumnIJ(Mat,PetscInt,PetscBool ,PetscBool ,PetscInt *,const PetscInt *[],const PetscInt *[],PetscBool  *);

423: /*S
424:      MatInfo - Context of matrix information, used with MatGetInfo()

426:    In Fortran this is simply a double precision array of dimension MAT_INFO_SIZE

428:    Level: intermediate

430:   Concepts: matrix^nonzero information

432: .seealso:  MatGetInfo(), MatInfoType
433: S*/
434: typedef struct {
435:   PetscLogDouble block_size;                         /* block size */
436:   PetscLogDouble nz_allocated,nz_used,nz_unneeded;   /* number of nonzeros */
437:   PetscLogDouble memory;                             /* memory allocated */
438:   PetscLogDouble assemblies;                         /* number of matrix assemblies called */
439:   PetscLogDouble mallocs;                            /* number of mallocs during MatSetValues() */
440:   PetscLogDouble fill_ratio_given,fill_ratio_needed; /* fill ratio for LU/ILU */
441:   PetscLogDouble factor_mallocs;                     /* number of mallocs during factorization */
442: } MatInfo;

444: /*E
445:     MatInfoType - Indicates if you want information about the local part of the matrix,
446:      the entire parallel matrix or the maximum over all the local parts.

448:     Level: beginner

450:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

452: .seealso: MatGetInfo(), MatInfo
453: E*/
454: typedef enum {MAT_LOCAL=1,MAT_GLOBAL_MAX=2,MAT_GLOBAL_SUM=3} MatInfoType;
455: PETSC_EXTERN PetscErrorCode MatGetInfo(Mat,MatInfoType,MatInfo*);
456: PETSC_EXTERN PetscErrorCode MatGetDiagonal(Mat,Vec);
457: PETSC_EXTERN PetscErrorCode MatGetRowMax(Mat,Vec,PetscInt[]);
458: PETSC_EXTERN PetscErrorCode MatGetRowMin(Mat,Vec,PetscInt[]);
459: PETSC_EXTERN PetscErrorCode MatGetRowMaxAbs(Mat,Vec,PetscInt[]);
460: PETSC_EXTERN PetscErrorCode MatGetRowMinAbs(Mat,Vec,PetscInt[]);
461: PETSC_EXTERN PetscErrorCode MatGetRowSum(Mat,Vec);
462: PETSC_EXTERN PetscErrorCode MatTranspose(Mat,MatReuse,Mat*);
463: PETSC_EXTERN PetscErrorCode MatHermitianTranspose(Mat,MatReuse,Mat*);
464: PETSC_EXTERN PetscErrorCode MatPermute(Mat,IS,IS,Mat *);
465: PETSC_EXTERN PetscErrorCode MatDiagonalScale(Mat,Vec,Vec);
466: PETSC_EXTERN PetscErrorCode MatDiagonalSet(Mat,Vec,InsertMode);
467: PETSC_EXTERN PetscErrorCode MatEqual(Mat,Mat,PetscBool *);
468: PETSC_EXTERN PetscErrorCode MatMultEqual(Mat,Mat,PetscInt,PetscBool *);
469: PETSC_EXTERN PetscErrorCode MatMultAddEqual(Mat,Mat,PetscInt,PetscBool *);
470: PETSC_EXTERN PetscErrorCode MatMultTransposeEqual(Mat,Mat,PetscInt,PetscBool *);
471: PETSC_EXTERN PetscErrorCode MatMultTransposeAddEqual(Mat,Mat,PetscInt,PetscBool *);

473: PETSC_EXTERN PetscErrorCode MatNorm(Mat,NormType,PetscReal *);
474: PETSC_EXTERN PetscErrorCode MatGetColumnNorms(Mat,NormType,PetscReal *);
475: PETSC_EXTERN PetscErrorCode MatZeroEntries(Mat);
476: PETSC_EXTERN PetscErrorCode MatZeroRows(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
477: PETSC_EXTERN PetscErrorCode MatZeroRowsIS(Mat,IS,PetscScalar,Vec,Vec);
478: PETSC_EXTERN PetscErrorCode MatZeroRowsStencil(Mat,PetscInt,const MatStencil [],PetscScalar,Vec,Vec);
479: PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsStencil(Mat,PetscInt,const MatStencil[],PetscScalar,Vec,Vec);
480: PETSC_EXTERN PetscErrorCode MatZeroRowsColumns(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
481: PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsIS(Mat,IS,PetscScalar,Vec,Vec);

483: PETSC_EXTERN PetscErrorCode MatGetSize(Mat,PetscInt*,PetscInt*);
484: PETSC_EXTERN PetscErrorCode MatGetLocalSize(Mat,PetscInt*,PetscInt*);
485: PETSC_EXTERN PetscErrorCode MatGetOwnershipRange(Mat,PetscInt*,PetscInt*);
486: PETSC_EXTERN PetscErrorCode MatGetOwnershipRanges(Mat,const PetscInt**);
487: PETSC_EXTERN PetscErrorCode MatGetOwnershipRangeColumn(Mat,PetscInt*,PetscInt*);
488: PETSC_EXTERN PetscErrorCode MatGetOwnershipRangesColumn(Mat,const PetscInt**);
489: PETSC_EXTERN PetscErrorCode MatGetOwnershipIS(Mat,IS*,IS*);

491: PETSC_EXTERN PetscErrorCode MatGetSubMatrices(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
492: PETSC_EXTERN PetscErrorCode MatGetSubMatricesParallel(Mat,PetscInt,const IS[],const IS[],MatReuse,Mat *[]);
493: PETSC_EXTERN PetscErrorCode MatDestroyMatrices(PetscInt,Mat *[]);
494: PETSC_EXTERN PetscErrorCode MatGetSubMatrix(Mat,IS,IS,MatReuse,Mat *);
495: PETSC_EXTERN PetscErrorCode MatGetLocalSubMatrix(Mat,IS,IS,Mat*);
496: PETSC_EXTERN PetscErrorCode MatRestoreLocalSubMatrix(Mat,IS,IS,Mat*);
497: PETSC_EXTERN PetscErrorCode MatGetSeqNonzeroStructure(Mat,Mat*);
498: PETSC_EXTERN PetscErrorCode MatDestroySeqNonzeroStructure(Mat*);

500: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJ(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
501: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,Mat*);
502: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJConcatenateSeqAIJNumeric(MPI_Comm,Mat,PetscInt,Mat);
503: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJ(MPI_Comm,Mat,PetscInt,PetscInt,MatReuse,Mat*);
504: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJSymbolic(MPI_Comm,Mat,PetscInt,PetscInt,Mat*);
505: PETSC_EXTERN PetscErrorCode MatCreateMPIAIJSumSeqAIJNumeric(Mat,Mat);
506: PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMat(Mat,MatReuse,Mat*);
507: PETSC_EXTERN PetscErrorCode MatMPIAIJGetLocalMatCondensed(Mat,MatReuse,IS*,IS*,Mat*);
508: PETSC_EXTERN PetscErrorCode MatGetBrowsOfAcols(Mat,Mat,MatReuse,IS*,IS*,Mat*);
509: PETSC_EXTERN PetscErrorCode MatGetGhosts(Mat, PetscInt *,const PetscInt *[]);

511: PETSC_EXTERN PetscErrorCode MatIncreaseOverlap(Mat,PetscInt,IS[],PetscInt);

513: PETSC_EXTERN PetscErrorCode MatMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
514: PETSC_EXTERN PetscErrorCode MatMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
515: PETSC_EXTERN PetscErrorCode MatMatMultNumeric(Mat,Mat,Mat);

517: PETSC_EXTERN PetscErrorCode MatMatMatMult(Mat,Mat,Mat,MatReuse,PetscReal,Mat*);
518: PETSC_EXTERN PetscErrorCode MatMatMatMultSymbolic(Mat,Mat,Mat,PetscReal,Mat*);
519: PETSC_EXTERN PetscErrorCode MatMatMatMultNumeric(Mat,Mat,Mat,Mat);

521: PETSC_EXTERN PetscErrorCode MatPtAP(Mat,Mat,MatReuse,PetscReal,Mat*);
522: PETSC_EXTERN PetscErrorCode MatPtAPSymbolic(Mat,Mat,PetscReal,Mat*);
523: PETSC_EXTERN PetscErrorCode MatPtAPNumeric(Mat,Mat,Mat);
524: PETSC_EXTERN PetscErrorCode MatRARt(Mat,Mat,MatReuse,PetscReal,Mat*);
525: PETSC_EXTERN PetscErrorCode MatRARtSymbolic(Mat,Mat,PetscReal,Mat*);
526: PETSC_EXTERN PetscErrorCode MatRARtNumeric(Mat,Mat,Mat);

528: PETSC_EXTERN PetscErrorCode MatTransposeMatMult(Mat,Mat,MatReuse,PetscReal,Mat*);
529: PETSC_EXTERN PetscErrorCode MatTransposetMatMultSymbolic(Mat,Mat,PetscReal,Mat*);
530: PETSC_EXTERN PetscErrorCode MatTransposetMatMultNumeric(Mat,Mat,Mat);
531: PETSC_EXTERN PetscErrorCode MatMatTransposeMult(Mat,Mat,MatReuse,PetscReal,Mat*);
532: PETSC_EXTERN PetscErrorCode MatMatTransposeMultSymbolic(Mat,Mat,PetscReal,Mat*);
533: PETSC_EXTERN PetscErrorCode MatMatTransposeMultNumeric(Mat,Mat,Mat);

535: PETSC_EXTERN PetscErrorCode MatAXPY(Mat,PetscScalar,Mat,MatStructure);
536: PETSC_EXTERN PetscErrorCode MatAYPX(Mat,PetscScalar,Mat,MatStructure);

538: PETSC_EXTERN PetscErrorCode MatScale(Mat,PetscScalar);
539: PETSC_EXTERN PetscErrorCode MatShift(Mat,PetscScalar);

541: PETSC_EXTERN PetscErrorCode MatSetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping,ISLocalToGlobalMapping);
542: PETSC_EXTERN PetscErrorCode MatGetLocalToGlobalMapping(Mat,ISLocalToGlobalMapping*,ISLocalToGlobalMapping*);
543: PETSC_EXTERN PetscErrorCode MatGetLayouts(Mat,PetscLayout*,PetscLayout*);
544: PETSC_EXTERN PetscErrorCode MatZeroRowsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
545: PETSC_EXTERN PetscErrorCode MatZeroRowsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
546: PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocal(Mat,PetscInt,const PetscInt [],PetscScalar,Vec,Vec);
547: PETSC_EXTERN PetscErrorCode MatZeroRowsColumnsLocalIS(Mat,IS,PetscScalar,Vec,Vec);
548: PETSC_EXTERN PetscErrorCode MatSetValuesLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
549: PETSC_EXTERN PetscErrorCode MatSetValuesBlockedLocal(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode);

551: PETSC_EXTERN PetscErrorCode MatStashSetInitialSize(Mat,PetscInt,PetscInt);
552: PETSC_EXTERN PetscErrorCode MatStashGetInfo(Mat,PetscInt*,PetscInt*,PetscInt*,PetscInt*);

554: PETSC_EXTERN PetscErrorCode MatInterpolate(Mat,Vec,Vec);
555: PETSC_EXTERN PetscErrorCode MatInterpolateAdd(Mat,Vec,Vec,Vec);
556: PETSC_EXTERN PetscErrorCode MatRestrict(Mat,Vec,Vec);
557: PETSC_EXTERN PetscErrorCode MatGetVecs(Mat,Vec*,Vec*);
558: PETSC_EXTERN PetscErrorCode MatGetRedundantMatrix(Mat,PetscInt,MPI_Comm,MatReuse,Mat*);
559: PETSC_EXTERN PetscErrorCode MatGetMultiProcBlock(Mat,MPI_Comm,MatReuse,Mat*);
560: PETSC_EXTERN PetscErrorCode MatFindZeroDiagonals(Mat,IS*);
561: PETSC_EXTERN PetscErrorCode MatFindOffBlockDiagonalEntries(Mat,IS*);

563: /*MC
564:    MatSetValue - Set a single entry into a matrix.

566:    Not collective

568:    Synopsis:
569:      #include <petscmat.h>
570:      PetscErrorCode MatSetValue(Mat m,PetscInt row,PetscInt col,PetscScalar value,InsertMode mode)

572:    Input Parameters:
573: +  m - the matrix
574: .  row - the row location of the entry
575: .  col - the column location of the entry
576: .  value - the value to insert
577: -  mode - either INSERT_VALUES or ADD_VALUES

579:    Notes:
580:    For efficiency one should use MatSetValues() and set several or many
581:    values simultaneously if possible.

583:    Level: beginner

585: .seealso: MatSetValues(), MatSetValueLocal()
586: M*/
587: PETSC_STATIC_INLINE PetscErrorCode MatSetValue(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValues(v,1,&i,1,&j,&va,mode);}

589: PETSC_STATIC_INLINE PetscErrorCode MatGetValue(Mat v,PetscInt i,PetscInt j,PetscScalar *va) {return MatGetValues(v,1,&i,1,&j,va);}

591: PETSC_STATIC_INLINE PetscErrorCode MatSetValueLocal(Mat v,PetscInt i,PetscInt j,PetscScalar va,InsertMode mode) {return MatSetValuesLocal(v,1,&i,1,&j,&va,mode);}

593: /*MC
594:    MatPreallocateInitialize - Begins the block of code that will count the number of nonzeros per
595:        row in a matrix providing the data that one can use to correctly preallocate the matrix.

597:    Synopsis:
598:    #include <petscmat.h>
599:    PetscErrorCode MatPreallocateInitialize(MPI_Comm comm, PetscInt nrows, PetscInt ncols, PetscInt *dnz, PetscInt *onz)

601:    Collective on MPI_Comm

603:    Input Parameters:
604: +  comm - the communicator that will share the eventually allocated matrix
605: .  nrows - the number of LOCAL rows in the matrix
606: -  ncols - the number of LOCAL columns in the matrix

608:    Output Parameters:
609: +  dnz - the array that will be passed to the matrix preallocation routines
610: -  ozn - the other array passed to the matrix preallocation routines

612:    Level: intermediate

614:    Notes:
615:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

617:    Do not malloc or free dnz and onz, that is handled internally by these routines

619:    Use MatPreallocateInitializeSymmetric() for symmetric matrices (MPISBAIJ matrices)

621:    This is a MACRO not a function because it has a leading { that is closed by PetscPreallocateFinalize().

623:   Concepts: preallocation^Matrix

625: .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
626:           MatPreallocateInitializeSymmetric(), MatPreallocateSymmetricSetLocalBlock()
627: M*/
628: #define MatPreallocateInitialize(comm,nrows,ncols,dnz,onz) 0; \
629: { \
630:   PetscErrorCode _4_ierr; PetscInt __nrows = (nrows),__ctmp = (ncols),__rstart,__start,__end; \
631:   _4_PetscCalloc2(__nrows,&dnz,__nrows,&onz);CHKERRQ(_4_ierr); \
632:   __start = 0; __end = __start;                                         \
633:   _4_MPI_Scan(&__ctmp,&__end,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __start = __end - __ctmp;\
634:   _4_MPI_Scan(&__nrows,&__rstart,1,MPIU_INT,MPI_SUM,comm);CHKERRQ(_4_ierr); __rstart = __rstart - __nrows;

636: /*MC
637:    MatPreallocateSetLocal - Indicates the locations (rows and columns) in the matrix where nonzeros will be
638:        inserted using a local number of the rows and columns

640:    Synopsis:
641:    #include <petscmat.h>
642:    PetscErrorCode MatPreallocateSetLocal(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)

644:    Not Collective

646:    Input Parameters:
647: +  map - the row mapping from local numbering to global numbering
648: .  nrows - the number of rows indicated
649: .  rows - the indices of the rows
650: .  cmap - the column mapping from local to global numbering
651: .  ncols - the number of columns in the matrix
652: .  cols - the columns indicated
653: .  dnz - the array that will be passed to the matrix preallocation routines
654: -  ozn - the other array passed to the matrix preallocation routines

656:    Level: intermediate

658:    Notes:
659:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

661:    Do not malloc or free dnz and onz, that is handled internally by these routines

663:   Concepts: preallocation^Matrix

665: .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(),
666:           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
667: M*/
668: #define MatPreallocateSetLocal(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
669: {\
670:   PetscInt __l;\
671:   _4_ISLocalToGlobalMappingApply(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
672:   _4_ISLocalToGlobalMappingApply(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
673:   for (__l=0;__l<nrows;__l++) {\
674:     _4_MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
675:   }\
676: }

678: /*MC
679:    MatPreallocateSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
680:        inserted using a local number of the rows and columns

682:    Synopsis:
683:    #include <petscmat.h>
684:    PetscErrorCode MatPreallocateSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)

686:    Not Collective

688:    Input Parameters:
689: +  map - the row mapping from local numbering to global numbering
690: .  nrows - the number of rows indicated
691: .  rows - the indices of the rows
692: .  cmap - the column mapping from local to global numbering
693: .  ncols - the number of columns in the matrix
694: .  cols - the columns indicated
695: .  dnz - the array that will be passed to the matrix preallocation routines
696: -  ozn - the other array passed to the matrix preallocation routines

698:    Level: intermediate

700:    Notes:
701:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

703:    Do not malloc or free dnz and onz, that is handled internally by these routines

705:   Concepts: preallocation^Matrix

707: .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(),
708:           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock()
709: M*/
710: #define MatPreallocateSetLocalBlock(rmap,nrows,rows,cmap,ncols,cols,dnz,onz) 0; \
711: {\
712:   PetscInt __l;\
713:   _4_ISLocalToGlobalMappingApplyBlock(rmap,nrows,rows,rows);CHKERRQ(_4_ierr);\
714:   _4_ISLocalToGlobalMappingApplyBlock(cmap,ncols,cols,cols);CHKERRQ(_4_ierr);\
715:   for (__l=0;__l<nrows;__l++) {\
716:     _4_MatPreallocateSet((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
717:   }\
718: }

720: /*MC
721:    MatPreallocateSymmetricSetLocalBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
722:        inserted using a local number of the rows and columns

724:    Synopsis:
725:    #include <petscmat.h>
726:    PetscErrorCode MatPreallocateSymmetricSetLocalBlock(ISLocalToGlobalMappping map,PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)

728:    Not Collective

730:    Input Parameters:
731: +  map - the mapping between local numbering and global numbering
732: .  nrows - the number of rows indicated
733: .  rows - the indices of the rows
734: .  ncols - the number of columns in the matrix
735: .  cols - the columns indicated
736: .  dnz - the array that will be passed to the matrix preallocation routines
737: -  ozn - the other array passed to the matrix preallocation routines

739:    Level: intermediate

741:    Notes:
742:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

744:    Do not malloc or free dnz and onz that is handled internally by these routines

746:   Concepts: preallocation^Matrix

748: .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateInitialize(),
749:           MatPreallocateInitialize(),  MatPreallocateSetLocal()
750: M*/
751: #define MatPreallocateSymmetricSetLocalBlock(map,nrows,rows,ncols,cols,dnz,onz) 0;\
752: {\
753:   PetscInt __l;\
754:   _4_ISLocalToGlobalMappingApplyBlock(map,nrows,rows,rows);CHKERRQ(_4_ierr);\
755:   _4_ISLocalToGlobalMappingApplyBlock(map,ncols,cols,cols);CHKERRQ(_4_ierr);\
756:   for (__l=0;__l<nrows;__l++) {\
757:     _4_MatPreallocateSymmetricSetBlock((rows)[__l],ncols,cols,dnz,onz);CHKERRQ(_4_ierr);\
758:   }\
759: }
760: /*MC
761:    MatPreallocateSet - Indicates the locations (rows and columns) in the matrix where nonzeros will be
762:        inserted using a local number of the rows and columns

764:    Synopsis:
765:    #include <petscmat.h>
766:    PetscErrorCode MatPreallocateSet(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)

768:    Not Collective

770:    Input Parameters:
771: +  row - the row
772: .  ncols - the number of columns in the matrix
773: -  cols - the columns indicated

775:    Output Parameters:
776: +  dnz - the array that will be passed to the matrix preallocation routines
777: -  ozn - the other array passed to the matrix preallocation routines

779:    Level: intermediate

781:    Notes:
782:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

784:    Do not malloc or free dnz and onz that is handled internally by these routines

786:    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().

788:   Concepts: preallocation^Matrix

790: .seealso: MatPreallocateFinalize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateInitialize(),
791:           MatPreallocateInitialize(), MatPreallocateSetLocal()
792: M*/
793: #define MatPreallocateSet(row,nc,cols,dnz,onz) 0;\
794: { PetscInt __i; \
795:   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);\
796:   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);\
797:   for (__i=0; __i<nc; __i++) {\
798:     if ((cols)[__i] < __start || (cols)[__i] >= __end) onz[row - __rstart]++; \
799:     else dnz[row - __rstart]++;\
800:   }\
801: }

803: /*MC
804:    MatPreallocateSymmetricSetBlock - Indicates the locations (rows and columns) in the matrix where nonzeros will be
805:        inserted using a local number of the rows and columns

807:    Synopsis:
808:    #include <petscmat.h>
809:    PetscErrorCode MatPreallocateSymmetricSetBlock(PetscInt nrows, PetscInt *rows,PetscInt ncols, PetscInt *cols,PetscInt *dnz, PetscInt *onz)

811:    Not Collective

813:    Input Parameters:
814: +  nrows - the number of rows indicated
815: .  rows - the indices of the rows
816: .  ncols - the number of columns in the matrix
817: .  cols - the columns indicated
818: .  dnz - the array that will be passed to the matrix preallocation routines
819: -  ozn - the other array passed to the matrix preallocation routines

821:    Level: intermediate

823:    Notes:
824:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

826:    Do not malloc or free dnz and onz that is handled internally by these routines

828:    This is a MACRO not a function because it uses variables declared in MatPreallocateInitialize().

830:   Concepts: preallocation^Matrix

832: .seealso: MatPreallocateFinalize(), MatPreallocateSet(),  MatPreallocateInitialize(),
833:           MatPreallocateInitialize(), MatPreallocateSymmetricSetLocalBlock(), MatPreallocateSetLocal()
834: M*/
835: #define MatPreallocateSymmetricSetBlock(row,nc,cols,dnz,onz) 0;\
836: { PetscInt __i; \
837:   for (__i=0; __i<nc; __i++) {\
838:     if (cols[__i] >= __end) onz[row - __rstart]++; \
839:     else if (cols[__i] >= row) dnz[row - __rstart]++;\
840:   }\
841: }

843: /*MC
844:    MatPreallocateLocation -  An alternative to MatPreallocationSet() that puts the nonzero locations into the matrix if it exists

846:    Synopsis:
847:    #include <petscmat.h>
848:    PetscErrorCode MatPreallocateLocations(Mat A,PetscInt row,PetscInt ncols,PetscInt *cols,PetscInt *dnz,PetscInt *onz)

850:    Not Collective

852:    Input Parameters:
853: .  A - matrix
854: .  row - row where values exist (must be local to this process)
855: .  ncols - number of columns
856: .  cols - columns with nonzeros
857: .  dnz - the array that will be passed to the matrix preallocation routines
858: -  ozn - the other array passed to the matrix preallocation routines

860:    Level: intermediate

862:    Notes:
863:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

865:    Do not malloc or free dnz and onz that is handled internally by these routines

867:    This is a MACRO not a function because it uses a bunch of variables private to the MatPreallocation.... routines.

869:   Concepts: preallocation^Matrix

871: .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
872:           MatPreallocateSymmetricSetLocalBlock()
873: M*/
874: #define MatPreallocateLocation(A,row,ncols,cols,dnz,onz) 0;if (A) {MatSetValues(A,1,&row,ncols,cols,NULL,INSERT_VALUES);} else { MatPreallocateSet(row,ncols,cols,dnz,onz);}


877: /*MC
878:    MatPreallocateFinalize - Ends the block of code that will count the number of nonzeros per
879:        row in a matrix providing the data that one can use to correctly preallocate the matrix.

881:    Synopsis:
882:    #include <petscmat.h>
883:    PetscErrorCode MatPreallocateFinalize(PetscInt *dnz, PetscInt *onz)

885:    Collective on MPI_Comm

887:    Input Parameters:
888: +  dnz - the array that was be passed to the matrix preallocation routines
889: -  ozn - the other array passed to the matrix preallocation routines

891:    Level: intermediate

893:    Notes:
894:     See Users-Manual: Chapter 13 Hints for Performance Tuning for more details.

896:    Do not malloc or free dnz and onz that is handled internally by these routines

898:    This is a MACRO not a function because it closes the { started in MatPreallocateInitialize().

900:   Concepts: preallocation^Matrix

902: .seealso: MatPreallocateInitialize(), MatPreallocateSet(), MatPreallocateSymmetricSetBlock(), MatPreallocateSetLocal(),
903:           MatPreallocateSymmetricSetLocalBlock()
904: M*/
905: #define MatPreallocateFinalize(dnz,onz) 0;_4_PetscFree2(dnz,onz);CHKERRQ(_4_ierr);}

907: /* Routines unique to particular data structures */
908: PETSC_EXTERN PetscErrorCode MatShellGetContext(Mat,void *);

910: PETSC_EXTERN PetscErrorCode MatInodeAdjustForInodes(Mat,IS*,IS*);
911: PETSC_EXTERN PetscErrorCode MatInodeGetInodeSizes(Mat,PetscInt *,PetscInt *[],PetscInt *);

913: PETSC_EXTERN PetscErrorCode MatSeqAIJSetColumnIndices(Mat,PetscInt[]);
914: PETSC_EXTERN PetscErrorCode MatSeqBAIJSetColumnIndices(Mat,PetscInt[]);
915: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
916: PETSC_EXTERN PetscErrorCode MatCreateSeqBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
917: PETSC_EXTERN PetscErrorCode MatCreateSeqSBAIJWithArrays(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*);
918: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJFromTriple(MPI_Comm,PetscInt,PetscInt,PetscInt[],PetscInt[],PetscScalar[],Mat*,PetscInt,PetscBool);

920: #define MAT_SKIP_ALLOCATION -4

922: PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
923: PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[]);
924: PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocation(Mat,PetscInt,const PetscInt[]);

926: PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
927: PETSC_EXTERN PetscErrorCode MatMPISBAIJSetPreallocation(Mat,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
928: PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocation(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]);
929: PETSC_EXTERN PetscErrorCode MatSeqAIJSetPreallocationCSR(Mat,const PetscInt [],const PetscInt [],const PetscScalar []);
930: PETSC_EXTERN PetscErrorCode MatSeqBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
931: PETSC_EXTERN PetscErrorCode MatMPIAIJSetPreallocationCSR(Mat,const PetscInt[],const PetscInt[],const PetscScalar[]);
932: PETSC_EXTERN PetscErrorCode MatMPIBAIJSetPreallocationCSR(Mat,PetscInt,const PetscInt[],const PetscInt[],const PetscScalar[]);
933: PETSC_EXTERN PetscErrorCode MatMPIAdjSetPreallocation(Mat,PetscInt[],PetscInt[],PetscInt[]);
934: PETSC_EXTERN PetscErrorCode MatMPIDenseSetPreallocation(Mat,PetscScalar[]);
935: PETSC_EXTERN PetscErrorCode MatSeqDenseSetPreallocation(Mat,PetscScalar[]);
936: PETSC_EXTERN PetscErrorCode MatMPIAIJGetSeqAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
937: PETSC_EXTERN PetscErrorCode MatMPIBAIJGetSeqBAIJ(Mat,Mat*,Mat*,const PetscInt*[]);
938: PETSC_EXTERN PetscErrorCode MatMPIAdjCreateNonemptySubcommMat(Mat,Mat*);

940: PETSC_EXTERN PetscErrorCode MatSeqDenseSetLDA(Mat,PetscInt);
941: PETSC_EXTERN PetscErrorCode MatDenseGetLocalMatrix(Mat,Mat*);

943: PETSC_EXTERN PetscErrorCode MatStoreValues(Mat);
944: PETSC_EXTERN PetscErrorCode MatRetrieveValues(Mat);

946: PETSC_EXTERN PetscErrorCode MatDAADSetCtx(Mat,void*);

948: PETSC_EXTERN PetscErrorCode MatFindNonzeroRows(Mat,IS*);
949: /*
950:   These routines are not usually accessed directly, rather solving is
951:   done through the KSP and PC interfaces.
952: */

954: /*J
955:     MatOrderingType - String with the name of a PETSc matrix ordering

957:    Level: beginner

959: .seealso: MatGetOrdering()
960: J*/
961: typedef const char* MatOrderingType;
962: #define MATORDERINGNATURAL     "natural"
963: #define MATORDERINGND          "nd"
964: #define MATORDERING1WD         "1wd"
965: #define MATORDERINGRCM         "rcm"
966: #define MATORDERINGQMD         "qmd"
967: #define MATORDERINGROWLENGTH   "rowlength"
968: #define MATORDERINGWBM         "wbm"
969: #define MATORDERINGSPECTRAL    "spectral"
970: #define MATORDERINGAMD         "amd"            /* only works if UMFPACK is installed with PETSc */

972: PETSC_EXTERN PetscErrorCode MatGetOrdering(Mat,MatOrderingType,IS*,IS*);
973: PETSC_EXTERN PetscErrorCode MatGetOrderingList(PetscFunctionList*);
974: PETSC_EXTERN PetscErrorCode MatOrderingRegister(const char[],PetscErrorCode(*)(Mat,MatOrderingType,IS*,IS*));
975: PETSC_EXTERN PetscErrorCode MatOrderingRegisterAll(void);
976: PETSC_EXTERN PetscBool         MatOrderingRegisterAllCalled;
977: PETSC_EXTERN PetscFunctionList MatOrderingList;

979: PETSC_EXTERN PetscErrorCode MatReorderForNonzeroDiagonal(Mat,PetscReal,IS,IS);
980: PETSC_EXTERN PetscErrorCode MatCreateLaplacian(Mat,PetscReal,PetscBool,Mat*);

982: /*S
983:     MatFactorShiftType - Numeric Shift.

985:    Level: beginner

987: S*/
988: typedef enum {MAT_SHIFT_NONE,MAT_SHIFT_NONZERO,MAT_SHIFT_POSITIVE_DEFINITE,MAT_SHIFT_INBLOCKS} MatFactorShiftType;
989: PETSC_EXTERN const char *const MatFactorShiftTypes[];
990: PETSC_EXTERN const char *const MatFactorShiftTypesDetail[];

992: /*S
993:    MatFactorInfo - Data passed into the matrix factorization routines

995:    In Fortran these are simply double precision arrays of size MAT_FACTORINFO_SIZE, that is use
996: $     MatFactorInfo  info(MAT_FACTORINFO_SIZE)

998:    Notes: These are not usually directly used by users, instead use PC type of LU, ILU, CHOLESKY or ICC.

1000:       You can use MatFactorInfoInitialize() to set default values.

1002:    Level: developer

1004: .seealso: MatLUFactorSymbolic(), MatILUFactorSymbolic(), MatCholeskyFactorSymbolic(), MatICCFactorSymbolic(), MatICCFactor(),
1005:           MatFactorInfoInitialize()

1007: S*/
1008: typedef struct {
1009:   PetscReal     diagonal_fill;  /* force diagonal to fill in if initially not filled */
1010:   PetscReal     usedt;
1011:   PetscReal     dt;             /* drop tolerance */
1012:   PetscReal     dtcol;          /* tolerance for pivoting */
1013:   PetscReal     dtcount;        /* maximum nonzeros to be allowed per row */
1014:   PetscReal     fill;           /* expected fill, nonzeros in factored matrix/nonzeros in original matrix */
1015:   PetscReal     levels;         /* ICC/ILU(levels) */
1016:   PetscReal     pivotinblocks;  /* for BAIJ and SBAIJ matrices pivot in factorization on blocks, default 1.0
1017:                                    factorization may be faster if do not pivot */
1018:   PetscReal     zeropivot;      /* pivot is called zero if less than this */
1019:   PetscReal     shifttype;      /* type of shift added to matrix factor to prevent zero pivots */
1020:   PetscReal     shiftamount;     /* how large the shift is */
1021: } MatFactorInfo;

1023: PETSC_EXTERN PetscErrorCode MatFactorInfoInitialize(MatFactorInfo*);
1024: PETSC_EXTERN PetscErrorCode MatCholeskyFactor(Mat,IS,const MatFactorInfo*);
1025: PETSC_EXTERN PetscErrorCode MatCholeskyFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1026: PETSC_EXTERN PetscErrorCode MatCholeskyFactorNumeric(Mat,Mat,const MatFactorInfo*);
1027: PETSC_EXTERN PetscErrorCode MatLUFactor(Mat,IS,IS,const MatFactorInfo*);
1028: PETSC_EXTERN PetscErrorCode MatILUFactor(Mat,IS,IS,const MatFactorInfo*);
1029: PETSC_EXTERN PetscErrorCode MatLUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1030: PETSC_EXTERN PetscErrorCode MatILUFactorSymbolic(Mat,Mat,IS,IS,const MatFactorInfo*);
1031: PETSC_EXTERN PetscErrorCode MatICCFactorSymbolic(Mat,Mat,IS,const MatFactorInfo*);
1032: PETSC_EXTERN PetscErrorCode MatICCFactor(Mat,IS,const MatFactorInfo*);
1033: PETSC_EXTERN PetscErrorCode MatLUFactorNumeric(Mat,Mat,const MatFactorInfo*);
1034: PETSC_EXTERN PetscErrorCode MatGetInertia(Mat,PetscInt*,PetscInt*,PetscInt*);
1035: PETSC_EXTERN PetscErrorCode MatSolve(Mat,Vec,Vec);
1036: PETSC_EXTERN PetscErrorCode MatForwardSolve(Mat,Vec,Vec);
1037: PETSC_EXTERN PetscErrorCode MatBackwardSolve(Mat,Vec,Vec);
1038: PETSC_EXTERN PetscErrorCode MatSolveAdd(Mat,Vec,Vec,Vec);
1039: PETSC_EXTERN PetscErrorCode MatSolveTranspose(Mat,Vec,Vec);
1040: PETSC_EXTERN PetscErrorCode MatSolveTransposeAdd(Mat,Vec,Vec,Vec);
1041: PETSC_EXTERN PetscErrorCode MatSolves(Mat,Vecs,Vecs);

1043: PETSC_EXTERN PetscErrorCode MatSetUnfactored(Mat);

1045: /*E
1046:     MatSORType - What type of (S)SOR to perform

1048:     Level: beginner

1050:    May be bitwise ORd together

1052:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

1054:    MatSORType may be bitwise ORd together, so do not change the numbers

1056: .seealso: MatSOR()
1057: E*/
1058: typedef enum {SOR_FORWARD_SWEEP=1,SOR_BACKWARD_SWEEP=2,SOR_SYMMETRIC_SWEEP=3,
1059:               SOR_LOCAL_FORWARD_SWEEP=4,SOR_LOCAL_BACKWARD_SWEEP=8,
1060:               SOR_LOCAL_SYMMETRIC_SWEEP=12,SOR_ZERO_INITIAL_GUESS=16,
1061:               SOR_EISENSTAT=32,SOR_APPLY_UPPER=64,SOR_APPLY_LOWER=128} MatSORType;
1062: PETSC_EXTERN PetscErrorCode MatSOR(Mat,Vec,PetscReal,MatSORType,PetscReal,PetscInt,PetscInt,Vec);

1064: /*
1065:     These routines are for efficiently computing Jacobians via finite differences.
1066: */

1068: /*S
1069:      MatColoring - Object for managing the coloring of matrices.

1071:    Level: beginner

1073:   Concepts: matrix, coloring

1075: .seealso:  MatFDColoringCreate() ISColoring MatFDColoring
1076: S*/
1077: typedef struct _p_MatColoring* MatColoring;
1078: /*J
1079:     MatColoringType - String with the name of a PETSc matrix coloring

1081:    Level: beginner

1083: .seealso: MatColoringSetType(), MatColoring
1084: J*/

1086: typedef const  char*           MatColoringType;
1087: #define MATCOLORINGJP      "jp"
1088: #define MATCOLORINGPOWER   "power"
1089: #define MATCOLORINGNATURAL "natural"
1090: #define MATCOLORINGSL      "sl"
1091: #define MATCOLORINGLF      "lf"
1092: #define MATCOLORINGID      "id"
1093: #define MATCOLORINGGREEDY  "greedy"

1095: /*E
1096:    MatColoringWeightType - Type of weight scheme

1098:     Not Collective

1100: +   MAT_COLORING_RANDOM  - Random weights
1101: .   MAT_COLORING_LEXICAL - Lexical weighting based upon global numbering.
1102: -   MAT_COLORING_LF      - Last-first weighting.

1104:     Level: intermediate

1106:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

1108: .seealso: MatCUSPSetFormat(), MatCUSPFormatOperation
1109: E*/
1110: typedef enum {MAT_COLORING_WEIGHT_RANDOM,MAT_COLORING_WEIGHT_LEXICAL,MAT_COLORING_WEIGHT_LF,MAT_COLORING_WEIGHT_SL} MatColoringWeightType;

1112: PETSC_EXTERN PetscErrorCode MatColoringCreate(Mat,MatColoring*);
1113: PETSC_EXTERN PetscErrorCode MatColoringGetDegrees(Mat,PetscInt,PetscInt*);
1114: PETSC_EXTERN PetscErrorCode MatColoringDestroy(MatColoring*);
1115: PETSC_EXTERN PetscErrorCode MatColoringView(MatColoring,PetscViewer);
1116: PETSC_EXTERN PetscErrorCode MatColoringSetType(MatColoring,MatColoringType);
1117: PETSC_EXTERN PetscErrorCode MatColoringSetFromOptions(MatColoring);
1118: PETSC_EXTERN PetscErrorCode MatColoringSetDistance(MatColoring,PetscInt);
1119: PETSC_EXTERN PetscErrorCode MatColoringGetDistance(MatColoring,PetscInt*);
1120: PETSC_EXTERN PetscErrorCode MatColoringSetMaxColors(MatColoring,PetscInt);
1121: PETSC_EXTERN PetscErrorCode MatColoringGetMaxColors(MatColoring,PetscInt*);
1122: PETSC_EXTERN PetscErrorCode MatColoringApply(MatColoring,ISColoring*);
1123: PETSC_EXTERN PetscErrorCode MatColoringRegisterAll(void);
1124: PETSC_EXTERN PetscErrorCode MatColoringRegister(const char[],PetscErrorCode(*)(MatColoring));
1125: PETSC_EXTERN PetscBool MatColoringRegisterAllCalled;
1126: PETSC_EXTERN PetscErrorCode MatColoringPatch(Mat,PetscInt,PetscInt,ISColoringValue[],ISColoring*);
1127: PETSC_EXTERN PetscErrorCode MatColoringSetWeightType(MatColoring,MatColoringWeightType);
1128: PETSC_EXTERN PetscErrorCode MatColoringSetWeights(MatColoring,PetscReal*,PetscInt*);
1129: PETSC_EXTERN PetscErrorCode MatColoringCreateWeights(MatColoring,PetscReal **,PetscInt **lperm);

1131: /*S
1132:      MatFDColoring - Object for computing a sparse Jacobian via finite differences
1133:         and coloring

1135:    Level: beginner

1137:   Concepts: coloring, sparse Jacobian, finite differences

1139: .seealso:  MatFDColoringCreate()
1140: S*/
1141: typedef struct _p_MatFDColoring* MatFDColoring;

1143: PETSC_EXTERN PetscErrorCode MatFDColoringCreate(Mat,ISColoring,MatFDColoring *);
1144: PETSC_EXTERN PetscErrorCode MatFDColoringDestroy(MatFDColoring*);
1145: PETSC_EXTERN PetscErrorCode MatFDColoringView(MatFDColoring,PetscViewer);
1146: PETSC_EXTERN PetscErrorCode MatFDColoringSetFunction(MatFDColoring,PetscErrorCode (*)(void),void*);
1147: PETSC_EXTERN PetscErrorCode MatFDColoringGetFunction(MatFDColoring,PetscErrorCode (**)(void),void**);
1148: PETSC_EXTERN PetscErrorCode MatFDColoringSetParameters(MatFDColoring,PetscReal,PetscReal);
1149: PETSC_EXTERN PetscErrorCode MatFDColoringSetFromOptions(MatFDColoring);
1150: PETSC_EXTERN PetscErrorCode MatFDColoringApply(Mat,MatFDColoring,Vec,void *);
1151: PETSC_EXTERN PetscErrorCode MatFDColoringSetF(MatFDColoring,Vec);
1152: PETSC_EXTERN PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring,PetscInt*,PetscInt*[]);
1153: PETSC_EXTERN PetscErrorCode MatFDColoringSetUp(Mat,ISColoring,MatFDColoring);
1154: PETSC_EXTERN PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring,PetscInt,PetscInt);


1157: /*S
1158:      MatTransposeColoring - Object for computing a sparse matrix product C=A*B^T via coloring

1160:    Level: beginner

1162:   Concepts: coloring, sparse matrix product

1164: .seealso:  MatTransposeColoringCreate()
1165: S*/
1166: typedef struct _p_MatTransposeColoring* MatTransposeColoring;

1168: PETSC_EXTERN PetscErrorCode MatTransposeColoringCreate(Mat,ISColoring,MatTransposeColoring *);
1169: PETSC_EXTERN PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring,Mat,Mat);
1170: PETSC_EXTERN PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring,Mat,Mat);
1171: PETSC_EXTERN PetscErrorCode MatTransposeColoringDestroy(MatTransposeColoring*);

1173: /*
1174:     These routines are for partitioning matrices: currently used only
1175:   for adjacency matrix, MatCreateMPIAdj().
1176: */

1178: /*S
1179:      MatPartitioning - Object for managing the partitioning of a matrix or graph

1181:    Level: beginner

1183:   Concepts: partitioning

1185: .seealso:  MatPartitioningCreate(), MatPartitioningType
1186: S*/
1187: typedef struct _p_MatPartitioning* MatPartitioning;

1189: /*J
1190:     MatPartitioningType - String with the name of a PETSc matrix partitioning

1192:    Level: beginner
1193: dm
1194: .seealso: MatPartitioningCreate(), MatPartitioning
1195: J*/
1196: typedef const char* MatPartitioningType;
1197: #define MATPARTITIONINGCURRENT  "current"
1198: #define MATPARTITIONINGSQUARE   "square"
1199: #define MATPARTITIONINGPARMETIS "parmetis"
1200: #define MATPARTITIONINGCHACO    "chaco"
1201: #define MATPARTITIONINGPARTY    "party"
1202: #define MATPARTITIONINGPTSCOTCH "ptscotch"


1205: PETSC_EXTERN PetscErrorCode MatPartitioningCreate(MPI_Comm,MatPartitioning*);
1206: PETSC_EXTERN PetscErrorCode MatPartitioningSetType(MatPartitioning,MatPartitioningType);
1207: PETSC_EXTERN PetscErrorCode MatPartitioningSetNParts(MatPartitioning,PetscInt);
1208: PETSC_EXTERN PetscErrorCode MatPartitioningSetAdjacency(MatPartitioning,Mat);
1209: PETSC_EXTERN PetscErrorCode MatPartitioningSetVertexWeights(MatPartitioning,const PetscInt[]);
1210: PETSC_EXTERN PetscErrorCode MatPartitioningSetPartitionWeights(MatPartitioning,const PetscReal []);
1211: PETSC_EXTERN PetscErrorCode MatPartitioningApply(MatPartitioning,IS*);
1212: PETSC_EXTERN PetscErrorCode MatPartitioningDestroy(MatPartitioning*);

1214: PETSC_EXTERN PetscErrorCode MatPartitioningRegister(const char[],PetscErrorCode (*)(MatPartitioning));

1216: PETSC_EXTERN PetscBool MatPartitioningRegisterAllCalled;

1218: PETSC_EXTERN PetscErrorCode MatPartitioningRegisterAll(void);

1220: PETSC_EXTERN PetscErrorCode MatPartitioningView(MatPartitioning,PetscViewer);
1221: PETSC_EXTERN PetscErrorCode MatPartitioningSetFromOptions(MatPartitioning);
1222: PETSC_EXTERN PetscErrorCode MatPartitioningGetType(MatPartitioning,MatPartitioningType*);

1224: PETSC_EXTERN PetscErrorCode MatPartitioningParmetisSetCoarseSequential(MatPartitioning);
1225: PETSC_EXTERN PetscErrorCode MatPartitioningParmetisGetEdgeCut(MatPartitioning, PetscInt *);

1227: typedef enum { MP_CHACO_MULTILEVEL=1,MP_CHACO_SPECTRAL=2,MP_CHACO_LINEAR=4,MP_CHACO_RANDOM=5,MP_CHACO_SCATTERED=6 } MPChacoGlobalType;
1228: PETSC_EXTERN const char *const MPChacoGlobalTypes[];
1229: typedef enum { MP_CHACO_KERNIGHAN=1,MP_CHACO_NONE=2 } MPChacoLocalType;
1230: PETSC_EXTERN const char *const MPChacoLocalTypes[];
1231: typedef enum { MP_CHACO_LANCZOS=0,MP_CHACO_RQI=1 } MPChacoEigenType;
1232: PETSC_EXTERN const char *const MPChacoEigenTypes[];

1234: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetGlobal(MatPartitioning,MPChacoGlobalType);
1235: PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetGlobal(MatPartitioning,MPChacoGlobalType*);
1236: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetLocal(MatPartitioning,MPChacoLocalType);
1237: PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetLocal(MatPartitioning,MPChacoLocalType*);
1238: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetCoarseLevel(MatPartitioning,PetscReal);
1239: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning,MPChacoEigenType);
1240: PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenSolver(MatPartitioning,MPChacoEigenType*);
1241: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning,PetscReal);
1242: PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenTol(MatPartitioning,PetscReal*);
1243: PETSC_EXTERN PetscErrorCode MatPartitioningChacoSetEigenNumber(MatPartitioning,PetscInt);
1244: PETSC_EXTERN PetscErrorCode MatPartitioningChacoGetEigenNumber(MatPartitioning,PetscInt*);

1246: #define MP_PARTY_OPT "opt"
1247: #define MP_PARTY_LIN "lin"
1248: #define MP_PARTY_SCA "sca"
1249: #define MP_PARTY_RAN "ran"
1250: #define MP_PARTY_GBF "gbf"
1251: #define MP_PARTY_GCF "gcf"
1252: #define MP_PARTY_BUB "bub"
1253: #define MP_PARTY_DEF "def"
1254: PETSC_EXTERN PetscErrorCode MatPartitioningPartySetGlobal(MatPartitioning,const char*);
1255: #define MP_PARTY_HELPFUL_SETS "hs"
1256: #define MP_PARTY_KERNIGHAN_LIN "kl"
1257: #define MP_PARTY_NONE "no"
1258: PETSC_EXTERN PetscErrorCode MatPartitioningPartySetLocal(MatPartitioning,const char*);
1259: PETSC_EXTERN PetscErrorCode MatPartitioningPartySetCoarseLevel(MatPartitioning,PetscReal);
1260: PETSC_EXTERN PetscErrorCode MatPartitioningPartySetBipart(MatPartitioning,PetscBool);
1261: PETSC_EXTERN PetscErrorCode MatPartitioningPartySetMatchOptimization(MatPartitioning,PetscBool);

1263: typedef enum { MP_PTSCOTCH_QUALITY,MP_PTSCOTCH_SPEED,MP_PTSCOTCH_BALANCE,MP_PTSCOTCH_SAFETY,MP_PTSCOTCH_SCALABILITY } MPPTScotchStrategyType;
1264: PETSC_EXTERN const char *const MPPTScotchStrategyTypes[];

1266: PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetImbalance(MatPartitioning,PetscReal);
1267: PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetImbalance(MatPartitioning,PetscReal*);
1268: PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchSetStrategy(MatPartitioning,MPPTScotchStrategyType);
1269: PETSC_EXTERN PetscErrorCode MatPartitioningPTScotchGetStrategy(MatPartitioning,MPPTScotchStrategyType*);

1271: /*
1272:     These routines are for coarsening matrices:
1273: */

1275: /*S
1276:      MatCoarsen - Object for managing the coarsening of a graph (symmetric matrix)

1278:    Level: beginner

1280:   Concepts: coarsen

1282: .seealso:  MatCoarsenCreate), MatCoarsenType
1283: S*/
1284: typedef struct _p_MatCoarsen* MatCoarsen;

1286: /*J
1287:     MatCoarsenType - String with the name of a PETSc matrix coarsen

1289:    Level: beginner

1291: .seealso: MatCoarsenCreate(), MatCoarsen
1292: J*/
1293: typedef const char* MatCoarsenType;
1294: #define MATCOARSENMIS  "mis"
1295: #define MATCOARSENHEM  "hem"

1297: /* linked list for aggregates */
1298: typedef struct _PetscCDIntNd{
1299:   struct _PetscCDIntNd *next;
1300:   PetscInt             gid;
1301: }PetscCDIntNd;

1303: /* only used by node pool */
1304: typedef struct _PetscCDArrNd{
1305:   struct _PetscCDArrNd *next;
1306:   struct _PetscCDIntNd *array;
1307: }PetscCDArrNd;

1309: typedef struct _PetscCoarsenData{
1310:   PetscCDArrNd pool_list;  /* node pool */
1311:   PetscCDIntNd *new_node;
1312:   PetscInt     new_left;
1313:   PetscInt     chk_sz;
1314:   PetscCDIntNd *extra_nodes;
1315:   PetscCDIntNd **array;  /* Array of lists */
1316:   PetscInt     size;
1317:   Mat          mat;  /* cache a Mat for communication data */
1318: }PetscCoarsenData;

1320: PETSC_EXTERN PetscErrorCode MatCoarsenCreate(MPI_Comm,MatCoarsen*);
1321: PETSC_EXTERN PetscErrorCode MatCoarsenSetType(MatCoarsen,MatCoarsenType);
1322: PETSC_EXTERN PetscErrorCode MatCoarsenSetAdjacency(MatCoarsen,Mat);
1323: PETSC_EXTERN PetscErrorCode MatCoarsenSetGreedyOrdering(MatCoarsen,const IS);
1324: PETSC_EXTERN PetscErrorCode MatCoarsenSetStrictAggs(MatCoarsen,PetscBool);
1325: PETSC_EXTERN PetscErrorCode MatCoarsenSetVerbose(MatCoarsen,PetscInt);
1326: PETSC_EXTERN PetscErrorCode MatCoarsenGetData( MatCoarsen, PetscCoarsenData ** );
1327: PETSC_EXTERN PetscErrorCode MatCoarsenApply(MatCoarsen);
1328: PETSC_EXTERN PetscErrorCode MatCoarsenDestroy(MatCoarsen*);

1330: PETSC_EXTERN PetscErrorCode MatCoarsenRegister(const char[],PetscErrorCode (*)(MatCoarsen));

1332: PETSC_EXTERN PetscBool MatCoarsenRegisterAllCalled;

1334: PETSC_EXTERN PetscErrorCode MatCoarsenRegisterAll(void);

1336: PETSC_EXTERN PetscErrorCode MatCoarsenView(MatCoarsen,PetscViewer);
1337: PETSC_EXTERN PetscErrorCode MatCoarsenSetFromOptions(MatCoarsen);
1338: PETSC_EXTERN PetscErrorCode MatCoarsenGetType(MatCoarsen,MatCoarsenType*);
1339: PETSC_STATIC_INLINE PetscErrorCode MatCoarsenViewFromOptions(MatCoarsen A,const char prefix[],const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,prefix,name);}

1341: PETSC_EXTERN PetscErrorCode MatMeshToVertexGraph(Mat,PetscInt,Mat*);
1342: PETSC_EXTERN PetscErrorCode MatMeshToCellGraph(Mat,PetscInt,Mat*);

1344: /*
1345:     If you add entries here you must also add them to finclude/petscmat.h
1346: */
1347: typedef enum { MATOP_SET_VALUES=0,
1348:                MATOP_GET_ROW=1,
1349:                MATOP_RESTORE_ROW=2,
1350:                MATOP_MULT=3,
1351:                MATOP_MULT_ADD=4,
1352:                MATOP_MULT_TRANSPOSE=5,
1353:                MATOP_MULT_TRANSPOSE_ADD=6,
1354:                MATOP_SOLVE=7,
1355:                MATOP_SOLVE_ADD=8,
1356:                MATOP_SOLVE_TRANSPOSE=9,
1357:                MATOP_SOLVE_TRANSPOSE_ADD=10,
1358:                MATOP_LUFACTOR=11,
1359:                MATOP_CHOLESKYFACTOR=12,
1360:                MATOP_SOR=13,
1361:                MATOP_TRANSPOSE=14,
1362:                MATOP_GETINFO=15,
1363:                MATOP_EQUAL=16,
1364:                MATOP_GET_DIAGONAL=17,
1365:                MATOP_DIAGONAL_SCALE=18,
1366:                MATOP_NORM=19,
1367:                MATOP_ASSEMBLY_BEGIN=20,
1368:                MATOP_ASSEMBLY_END=21,
1369:                MATOP_SET_OPTION=22,
1370:                MATOP_ZERO_ENTRIES=23,
1371:                MATOP_ZERO_ROWS=24,
1372:                MATOP_LUFACTOR_SYMBOLIC=25,
1373:                MATOP_LUFACTOR_NUMERIC=26,
1374:                MATOP_CHOLESKY_FACTOR_SYMBOLIC=27,
1375:                MATOP_CHOLESKY_FACTOR_NUMERIC=28,
1376:                MATOP_SETUP_PREALLOCATION=29,
1377:                MATOP_ILUFACTOR_SYMBOLIC=30,
1378:                MATOP_ICCFACTOR_SYMBOLIC=31,
1379:                /* MATOP_PLACEHOLDER_32=32, */
1380:                /* MATOP_PLACEHOLDER_33=33, */
1381:                MATOP_DUPLICATE=34,
1382:                MATOP_FORWARD_SOLVE=35,
1383:                MATOP_BACKWARD_SOLVE=36,
1384:                MATOP_ILUFACTOR=37,
1385:                MATOP_ICCFACTOR=38,
1386:                MATOP_AXPY=39,
1387:                MATOP_GET_SUBMATRICES=40,
1388:                MATOP_INCREASE_OVERLAP=41,
1389:                MATOP_GET_VALUES=42,
1390:                MATOP_COPY=43,
1391:                MATOP_GET_ROW_MAX=44,
1392:                MATOP_SCALE=45,
1393:                MATOP_SHIFT=46,
1394:                MATOP_DIAGONAL_SET=47,
1395:                MATOP_ZERO_ROWS_COLUMNS=48,
1396:                MATOP_SET_RANDOM=49,
1397:                MATOP_GET_ROW_IJ=50,
1398:                MATOP_RESTORE_ROW_IJ=51,
1399:                MATOP_GET_COLUMN_IJ=52,
1400:                MATOP_RESTORE_COLUMN_IJ=53,
1401:                MATOP_FDCOLORING_CREATE=54,
1402:                MATOP_COLORING_PATCH=55,
1403:                MATOP_SET_UNFACTORED=56,
1404:                MATOP_PERMUTE=57,
1405:                MATOP_SET_VALUES_BLOCKED=58,
1406:                MATOP_GET_SUBMATRIX=59,
1407:                MATOP_DESTROY=60,
1408:                MATOP_VIEW=61,
1409:                MATOP_CONVERT_FROM=62,
1410:                MATOP_MATMAT_MULT=63,
1411:                MATOP_MATMAT_MULT_SYMBOLIC=64,
1412:                MATOP_MATMAT_MULT_NUMERIC=65,
1413:                MATOP_SET_LOCAL_TO_GLOBAL_MAP=66,
1414:                MATOP_SET_VALUES_LOCAL=67,
1415:                MATOP_ZERO_ROWS_LOCAL=68,
1416:                MATOP_GET_ROW_MAX_ABS=69,
1417:                MATOP_GET_ROW_MIN_ABS=70,
1418:                MATOP_CONVERT=71,
1419:                MATOP_SET_COLORING=72,
1420:                /* MATOP_PLACEHOLDER_73=73, */
1421:                MATOP_SET_VALUES_ADIFOR=74,
1422:                MATOP_FD_COLORING_APPLY=75,
1423:                MATOP_SET_FROM_OPTIONS=76,
1424:                MATOP_MULT_CONSTRAINED=77,
1425:                MATOP_MULT_TRANSPOSE_CONSTRAIN=78,
1426:                MATOP_FIND_ZERO_DIAGONALS=79,
1427:                MATOP_MULT_MULTIPLE=80,
1428:                MATOP_SOLVE_MULTIPLE=81,
1429:                MATOP_GET_INERTIA=82,
1430:                MATOP_LOAD=83,
1431:                MATOP_IS_SYMMETRIC=84,
1432:                MATOP_IS_HERMITIAN=85,
1433:                MATOP_IS_STRUCTURALLY_SYMMETRIC=86,
1434:                MATOP_SET_VALUES_BLOCKEDLOCAL=87,
1435:                MATOP_GET_VECS=88,
1436:                MATOP_MAT_MULT=89,
1437:                MATOP_MAT_MULT_SYMBOLIC=90,
1438:                MATOP_MAT_MULT_NUMERIC=91,
1439:                MATOP_PTAP=92,
1440:                MATOP_PTAP_SYMBOLIC=93,
1441:                MATOP_PTAP_NUMERIC=94,
1442:                MATOP_MAT_TRANSPOSE_MULT=95,
1443:                MATOP_MAT_TRANSPOSE_MULT_SYMBO=96,
1444:                MATOP_MAT_TRANSPOSE_MULT_NUMER=97,
1445:                /* MATOP_PLACEHOLDER_98=98, */
1446:                /* MATOP_PLACEHOLDER_99=99, */
1447:                /* MATOP_PLACEHOLDER_100=100, */
1448:                /* MATOP_PLACEHOLDER_101=101, */
1449:                MATOP_CONJUGATE=102,
1450:                /* MATOP_PLACEHOLDER_103=103, */
1451:                MATOP_SET_VALUES_ROW=104,
1452:                MATOP_REAL_PART=105,
1453:                MATOP_IMAGINARY_PART=106,
1454:                MATOP_GET_ROW_UPPER_TRIANGULAR=107,
1455:                MATOP_RESTORE_ROW_UPPER_TRIANG=108,
1456:                MATOP_MAT_SOLVE=109,
1457:                MATOP_GET_REDUNDANT_MATRIX=110,
1458:                MATOP_GET_ROW_MIN=111,
1459:                MATOP_GET_COLUMN_VECTOR=112,
1460:                MATOP_MISSING_DIAGONAL=113,
1461:                MATOP_GET_SEQ_NONZERO_STRUCTUR=114,
1462:                MATOP_CREATE=115,
1463:                MATOP_GET_GHOSTS=116,
1464:                MATOP_GET_LOCAL_SUB_MATRIX=117,
1465:                MATOP_RESTORE_LOCALSUB_MATRIX=118,
1466:                MATOP_MULT_DIAGONAL_BLOCK=119,
1467:                MATOP_HERMITIAN_TRANSPOSE=120,
1468:                MATOP_MULT_HERMITIAN_TRANSPOSE=121,
1469:                MATOP_MULT_HERMITIAN_TRANS_ADD=122,
1470:                MATOP_GET_MULTI_PROC_BLOCK=123,
1471:                MATOP_FIND_NONZERO_ROWS=124,
1472:                MATOP_GET_COLUMN_NORMS=125,
1473:                MATOP_INVERT_BLOCK_DIAGONAL=126,
1474:                /* MATOP_PLACEHOLDER_127=127, */
1475:                MATOP_GET_SUB_MATRICES_PARALLE=128,
1476:                MATOP_SET_VALUES_BATCH=129,
1477:                MATOP_TRANSPOSE_MAT_MULT=130,
1478:                MATOP_TRANSPOSE_MAT_MULT_SYMBO=131,
1479:                MATOP_TRANSPOSE_MAT_MULT_NUMER=132,
1480:                MATOP_TRANSPOSE_COLORING_CREAT=133,
1481:                MATOP_TRANS_COLORING_APPLY_SPT=134,
1482:                MATOP_TRANS_COLORING_APPLY_DEN=135,
1483:                MATOP_RART=136,
1484:                MATOP_RART_SYMBOLIC=137,
1485:                MATOP_RART_NUMERIC=138,
1486:                MATOP_SET_BLOCK_SIZES=139,
1487:                MATOP_AYPX=140,
1488:                MATOP_RESIDUAL=141,
1489:                MATOP_FDCOLORING_SETUP= 142
1490:              } MatOperation;
1491: PETSC_EXTERN PetscErrorCode MatHasOperation(Mat,MatOperation,PetscBool *);
1492: PETSC_EXTERN PetscErrorCode MatShellSetOperation(Mat,MatOperation,void(*)(void));
1493: PETSC_EXTERN PetscErrorCode MatShellGetOperation(Mat,MatOperation,void(**)(void));
1494: PETSC_EXTERN PetscErrorCode MatShellSetContext(Mat,void*);

1496: /*
1497:    Codes for matrices stored on disk. By default they are
1498:    stored in a universal format. By changing the format with
1499:    PetscViewerSetFormat(viewer,PETSC_VIEWER_NATIVE); the matrices will
1500:    be stored in a way natural for the matrix, for example dense matrices
1501:    would be stored as dense. Matrices stored this way may only be
1502:    read into matrices of the same type.
1503: */
1504: #define MATRIX_BINARY_FORMAT_DENSE -1

1506: PETSC_EXTERN PetscErrorCode MatMPIBAIJSetHashTableFactor(Mat,PetscReal);
1507: PETSC_EXTERN PetscErrorCode MatISGetLocalMat(Mat,Mat*);
1508: PETSC_EXTERN PetscErrorCode MatISSetLocalMat(Mat,Mat);

1510: /*S
1511:      MatNullSpace - Object that removes a null space from a vector, i.e.
1512:          orthogonalizes the vector to a subsapce

1514:    Level: advanced

1516:   Concepts: matrix; linear operator, null space

1518:   Users manual sections:
1519: .   Section 4.18 Solving Singular Systems

1521: .seealso:  MatNullSpaceCreate()
1522: S*/
1523: typedef struct _p_MatNullSpace* MatNullSpace;

1525: PETSC_EXTERN PetscErrorCode MatNullSpaceCreate(MPI_Comm,PetscBool ,PetscInt,const Vec[],MatNullSpace*);
1526: PETSC_EXTERN PetscErrorCode MatNullSpaceSetFunction(MatNullSpace,PetscErrorCode (*)(MatNullSpace,Vec,void*),void*);
1527: PETSC_EXTERN PetscErrorCode MatNullSpaceDestroy(MatNullSpace*);
1528: PETSC_EXTERN PetscErrorCode MatNullSpaceRemove(MatNullSpace,Vec);
1529: PETSC_EXTERN PetscErrorCode MatGetNullSpace(Mat, MatNullSpace *);
1530: PETSC_EXTERN PetscErrorCode MatSetNullSpace(Mat,MatNullSpace);
1531: PETSC_EXTERN PetscErrorCode MatSetNearNullSpace(Mat,MatNullSpace);
1532: PETSC_EXTERN PetscErrorCode MatGetNearNullSpace(Mat,MatNullSpace*);
1533: PETSC_EXTERN PetscErrorCode MatNullSpaceTest(MatNullSpace,Mat,PetscBool  *);
1534: PETSC_EXTERN PetscErrorCode MatNullSpaceView(MatNullSpace,PetscViewer);
1535: PETSC_EXTERN PetscErrorCode MatNullSpaceGetVecs(MatNullSpace,PetscBool*,PetscInt*,const Vec**);
1536: PETSC_EXTERN PetscErrorCode MatNullSpaceCreateRigidBody(Vec,MatNullSpace*);

1538: PETSC_EXTERN PetscErrorCode MatReorderingSeqSBAIJ(Mat,IS);
1539: PETSC_EXTERN PetscErrorCode MatMPISBAIJSetHashTableFactor(Mat,PetscReal);
1540: PETSC_EXTERN PetscErrorCode MatSeqSBAIJSetColumnIndices(Mat,PetscInt *);
1541: PETSC_EXTERN PetscErrorCode MatSeqBAIJInvertBlockDiagonal(Mat);

1543: PETSC_EXTERN PetscErrorCode MatCreateMAIJ(Mat,PetscInt,Mat*);
1544: PETSC_EXTERN PetscErrorCode MatMAIJRedimension(Mat,PetscInt,Mat*);
1545: PETSC_EXTERN PetscErrorCode MatMAIJGetAIJ(Mat,Mat*);

1547: PETSC_EXTERN PetscErrorCode MatComputeExplicitOperator(Mat,Mat*);

1549: PETSC_EXTERN PetscErrorCode MatDiagonalScaleLocal(Mat,Vec);

1551: PETSC_EXTERN PetscErrorCode MatCreateMFFD(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,Mat*);
1552: PETSC_EXTERN PetscErrorCode MatMFFDSetBase(Mat,Vec,Vec);
1553: PETSC_EXTERN PetscErrorCode MatMFFDSetFunction(Mat,PetscErrorCode(*)(void*,Vec,Vec),void*);
1554: PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioni(Mat,PetscErrorCode (*)(void*,PetscInt,Vec,PetscScalar*));
1555: PETSC_EXTERN PetscErrorCode MatMFFDSetFunctioniBase(Mat,PetscErrorCode (*)(void*,Vec));
1556: PETSC_EXTERN PetscErrorCode MatMFFDAddNullSpace(Mat,MatNullSpace);
1557: PETSC_EXTERN PetscErrorCode MatMFFDSetHHistory(Mat,PetscScalar[],PetscInt);
1558: PETSC_EXTERN PetscErrorCode MatMFFDResetHHistory(Mat);
1559: PETSC_EXTERN PetscErrorCode MatMFFDSetFunctionError(Mat,PetscReal);
1560: PETSC_EXTERN PetscErrorCode MatMFFDSetPeriod(Mat,PetscInt);
1561: PETSC_EXTERN PetscErrorCode MatMFFDGetH(Mat,PetscScalar *);
1562: PETSC_EXTERN PetscErrorCode MatMFFDSetOptionsPrefix(Mat,const char[]);
1563: PETSC_EXTERN PetscErrorCode MatMFFDCheckPositivity(void*,Vec,Vec,PetscScalar*);
1564: PETSC_EXTERN PetscErrorCode MatMFFDSetCheckh(Mat,PetscErrorCode (*)(void*,Vec,Vec,PetscScalar*),void*);

1566: /*S
1567:     MatMFFD - A data structured used to manage the computation of the h differencing parameter for matrix-free
1568:               Jacobian vector products

1570:     Notes: MATMFFD is a specific MatType which uses the MatMFFD data structure

1572:            MatMFFD*() methods actually take the Mat as their first argument. Not a MatMFFD data structure

1574:     Level: developer

1576: .seealso: MATMFFD, MatCreateMFFD(), MatMFFDSetFuction(), MatMFFDSetType(), MatMFFDRegister()
1577: S*/
1578: typedef struct _p_MatMFFD* MatMFFD;

1580: /*J
1581:     MatMFFDType - algorithm used to compute the h used in computing matrix-vector products via differencing of the function

1583:    Level: beginner

1585: .seealso: MatMFFDSetType(), MatMFFDRegister()
1586: J*/
1587: typedef const char* MatMFFDType;
1588: #define MATMFFD_DS  "ds"
1589: #define MATMFFD_WP  "wp"

1591: PETSC_EXTERN PetscErrorCode MatMFFDSetType(Mat,MatMFFDType);
1592: PETSC_EXTERN PetscErrorCode MatMFFDRegister(const char[],PetscErrorCode (*)(MatMFFD));

1594: PETSC_EXTERN PetscErrorCode MatMFFDRegisterAll(void);
1595: PETSC_EXTERN PetscErrorCode MatMFFDDSSetUmin(Mat,PetscReal);
1596: PETSC_EXTERN PetscErrorCode MatMFFDWPSetComputeNormU(Mat,PetscBool );

1598: PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutMatrix(PetscViewer, PetscInt, PetscInt, PetscReal *);
1599: PETSC_EXTERN PetscErrorCode PetscViewerMathematicaPutCSRMatrix(PetscViewer, PetscInt, PetscInt, PetscInt *, PetscInt *, PetscReal *);

1601: /*
1602:    PETSc interface to MUMPS
1603: */
1604: #ifdef PETSC_HAVE_MUMPS
1605: PETSC_EXTERN PetscErrorCode MatMumpsSetIcntl(Mat,PetscInt,PetscInt);
1606: PETSC_EXTERN PetscErrorCode MatMumpsGetIcntl(Mat,PetscInt,PetscInt*);
1607: PETSC_EXTERN PetscErrorCode MatMumpsSetCntl(Mat,PetscInt,PetscReal);
1608: PETSC_EXTERN PetscErrorCode MatMumpsGetCntl(Mat,PetscInt,PetscReal*);

1610: PETSC_EXTERN PetscErrorCode MatMumpsGetInfo(Mat,PetscInt,PetscInt*);
1611: PETSC_EXTERN PetscErrorCode MatMumpsGetInfog(Mat,PetscInt,PetscInt*);
1612: PETSC_EXTERN PetscErrorCode MatMumpsGetRinfo(Mat,PetscInt,PetscReal*);
1613: PETSC_EXTERN PetscErrorCode MatMumpsGetRinfog(Mat,PetscInt,PetscReal*);
1614: #endif

1616: /*
1617:    PETSc interface to Mkl_Pardiso
1618: */
1619: #ifdef PETSC_HAVE_MKL_PARDISO
1620: PETSC_EXTERN PetscErrorCode MatMkl_PardisoSetCntl(Mat,PetscInt,PetscInt);
1621: #endif

1623: /*
1624:    PETSc interface to SUPERLU
1625: */
1626: #ifdef PETSC_HAVE_SUPERLU
1627: PETSC_EXTERN PetscErrorCode MatSuperluSetILUDropTol(Mat,PetscReal);
1628: #endif

1630: #ifdef PETSC_HAVE_CUDA
1631: /*E
1632:     MatCUSPARSEStorageFormat - indicates the storage format for CUSPARSE (GPU)
1633:     matrices. 

1635:     Not Collective

1637: +   MAT_CUSPARSE_CSR - Compressed Sparse Row
1638: .   MAT_CUSPARSE_ELL - Ellpack (requires CUDA 4.2 or later).
1639: -   MAT_CUSPARSE_HYB - Hybrid, a combination of Ellpack and Coordinate format (requires CUDA 4.2 or later).

1641:     Level: intermediate

1643:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

1645: .seealso: MatCUSPARSESetFormat(), MatCUSPARSEFormatOperation
1646: E*/

1648: typedef enum {MAT_CUSPARSE_CSR, MAT_CUSPARSE_ELL, MAT_CUSPARSE_HYB} MatCUSPARSEStorageFormat;

1650: /* these will be strings associated with enumerated type defined above */
1651: PETSC_EXTERN const char *const MatCUSPARSEStorageFormats[];

1653: /*E
1654:     MatCUSPARSEFormatOperation - indicates the operation of CUSPARSE (GPU)
1655:     matrices whose operation should use a particular storage format. 

1657:     Not Collective

1659: +   MAT_CUSPARSE_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1660: .   MAT_CUSPARSE_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1661: .   MAT_CUSPARSE_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1662: -   MAT_CUSPARSE_ALL - sets the storage format for all CUSPARSE (GPU) matrices

1664:     Level: intermediate

1666: .seealso: MatCUSPARSESetFormat(), MatCUSPARSEStorageFormat
1667: E*/
1668: typedef enum {MAT_CUSPARSE_MULT_DIAG, MAT_CUSPARSE_MULT_OFFDIAG, MAT_CUSPARSE_MULT, MAT_CUSPARSE_ALL} MatCUSPARSEFormatOperation;

1670: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1671: PETSC_EXTERN PetscErrorCode MatCreateAIJCUSPARSE(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1672: PETSC_EXTERN PetscErrorCode MatCUSPARSESetFormat(Mat,MatCUSPARSEFormatOperation,MatCUSPARSEStorageFormat);
1673: #endif

1675: #if defined(PETSC_HAVE_CUSP)
1676: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1677: PETSC_EXTERN PetscErrorCode MatCreateAIJCUSP(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);

1679: /*E
1680:     MatCUSPStorageFormat - indicates the storage format for CUSP (GPU)
1681:     matrices. 

1683:     Not Collective

1685: +   MAT_CUSP_CSR - Compressed Sparse Row
1686: .   MAT_CUSP_DIA - Diagonal
1687: -   MAT_CUSP_ELL - Ellpack

1689:     Level: intermediate

1691:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

1693: .seealso: MatCUSPSetFormat(), MatCUSPFormatOperation
1694: E*/
1695: typedef enum {MAT_CUSP_CSR, MAT_CUSP_DIA, MAT_CUSP_ELL} MatCUSPStorageFormat;

1697: /* these will be strings associated with enumerated type defined above */
1698: PETSC_EXTERN const char *const MatCUSPStorageFormats[];

1700: /*E
1701:     MatCUSPFormatOperation - indicates the operation of CUSP (GPU)
1702:     matrices whose operation should use a particular storage format. 

1704:     Not Collective

1706: +   MAT_CUSP_MULT_DIAG - sets the storage format for the diagonal matrix in the parallel MatMult
1707: .   MAT_CUSP_MULT_OFFDIAG - sets the storage format for the offdiagonal matrix in the parallel MatMult
1708: .   MAT_CUSP_MULT - sets the storage format for the entire matrix in the serial (single GPU) MatMult
1709: -   MAT_CUSP_ALL - sets the storage format for all CUSP (GPU) matrices

1711:     Level: intermediate

1713:    Any additions/changes here MUST also be made in include/finclude/petscmat.h

1715: .seealso: MatCUSPSetFormat(), MatCUSPStorageFormat
1716: E*/
1717: typedef enum {MAT_CUSP_MULT_DIAG, MAT_CUSP_MULT_OFFDIAG, MAT_CUSP_MULT, MAT_CUSP_ALL} MatCUSPFormatOperation;

1719: PETSC_EXTERN PetscErrorCode MatCUSPSetFormat(Mat,MatCUSPFormatOperation,MatCUSPStorageFormat);
1720: #endif

1722: #if defined(PETSC_HAVE_VIENNACL)
1723: PETSC_EXTERN PetscErrorCode MatCreateSeqAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,const PetscInt[],Mat*);
1724: PETSC_EXTERN PetscErrorCode MatCreateAIJViennaCL(MPI_Comm,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,const PetscInt[],PetscInt,const PetscInt[],Mat*);
1725: #endif

1727: /*
1728:    PETSc interface to FFTW
1729: */
1730: #if defined(PETSC_HAVE_FFTW)
1731: PETSC_EXTERN PetscErrorCode VecScatterPetscToFFTW(Mat,Vec,Vec);
1732: PETSC_EXTERN PetscErrorCode VecScatterFFTWToPetsc(Mat,Vec,Vec);
1733: PETSC_EXTERN PetscErrorCode MatGetVecsFFTW(Mat,Vec*,Vec*,Vec*);
1734: #endif

1736: #if defined(PETSC_HAVE_ELEMENTAL)
1737: PETSC_EXTERN PetscErrorCode PetscElementalInitializePackage(void);
1738: PETSC_EXTERN PetscErrorCode PetscElementalFinalizePackage(void);
1739: #endif

1741: PETSC_EXTERN PetscErrorCode MatCreateNest(MPI_Comm,PetscInt,const IS[],PetscInt,const IS[],const Mat[],Mat*);
1742: PETSC_EXTERN PetscErrorCode MatNestGetSize(Mat,PetscInt*,PetscInt*);
1743: PETSC_EXTERN PetscErrorCode MatNestGetISs(Mat,IS[],IS[]);
1744: PETSC_EXTERN PetscErrorCode MatNestGetLocalISs(Mat,IS[],IS[]);
1745: PETSC_EXTERN PetscErrorCode MatNestGetSubMats(Mat,PetscInt*,PetscInt*,Mat***);
1746: PETSC_EXTERN PetscErrorCode MatNestGetSubMat(Mat,PetscInt,PetscInt,Mat*);
1747: PETSC_EXTERN PetscErrorCode MatNestSetVecType(Mat,VecType);
1748: PETSC_EXTERN PetscErrorCode MatNestSetSubMats(Mat,PetscInt,const IS[],PetscInt,const IS[],const Mat[]);
1749: PETSC_EXTERN PetscErrorCode MatNestSetSubMat(Mat,PetscInt,PetscInt,Mat);

1751: PETSC_EXTERN PetscErrorCode MatChop(Mat,PetscReal);
1752: PETSC_EXTERN PetscErrorCode MatComputeBandwidth(Mat,PetscReal,PetscInt*);

1754: #endif