Actual source code: dense.h
petsc-3.15.0 2021-03-30
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      4: #include <petsc/private/matimpl.h>
      5: /* TODO REMOVE */
      6: #include <../src/mat/impls/aij/seq/aij.h>

      8: /*
      9:   MATSEQDENSE format - conventional dense Fortran storage (by columns)
     10: */

     12: typedef struct {
     13:   PetscScalar  *v;                /* matrix elements */
     14:   PetscScalar  *unplacedarray;    /* if one called MatDensePlaceArray(), this is where it stashed the original */
     15:   PetscBool    roworiented;       /* if true, row oriented input (default) */
     16:   PetscInt     pad;               /* padding */
     17:   PetscBLASInt *pivots;           /* pivots in LU factorization */
     18:   PetscBLASInt lfwork;            /* length of work array in factorization */
     19:   PetscScalar  *fwork;            /* work array in factorization */
     20:   PetscScalar  *tau;              /* scalar factors of QR factorization */
     21:   Vec          qrrhs;            /* RHS for solving with QR (solution vector can't hold copy of RHS) */
     22:   PetscBLASInt lda;               /* Lapack leading dimension of data */
     23:   PetscBLASInt rank;              /* numerical rank (of a QR factorized matrix) */
     24:   PetscBool    user_alloc;        /* true if the user provided the dense data */
     25:   PetscBool    unplaced_user_alloc;
     26:   Mat          ptapwork;          /* workspace (SeqDense matrix) for PtAP */

     28:   /* Support for MatDenseGetColumnVec and MatDenseGetSubMatrix */
     29:   Mat               cmat;      /* matrix representation of a given subset of columns */
     30:   Vec               cvec;      /* vector representation of a given column */
     31:   const PetscScalar *ptrinuse; /* holds array to be restored (just a placeholder) */
     32:   PetscInt          vecinuse;  /* if cvec is in use (col = vecinuse-1) */
     33:   PetscInt          matinuse;  /* if cmat is in use (cbegin = matinuse-1) */
     34: } Mat_SeqDense;

     36: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqDense_SeqDense(Mat,Mat,PetscReal,Mat);
     37: PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqDense_SeqDense(Mat,Mat,Mat);
     38: PETSC_INTERN PetscErrorCode MatTransposeMatMultSymbolic_SeqDense_SeqDense(Mat,Mat,PetscReal,Mat);
     39: PETSC_INTERN PetscErrorCode MatTransposeMatMultNumeric_SeqDense_SeqDense(Mat,Mat,Mat);
     40: PETSC_INTERN PetscErrorCode MatMatTransposeMultSymbolic_SeqDense_SeqDense(Mat,Mat,PetscReal,Mat);
     41: PETSC_INTERN PetscErrorCode MatMatTransposeMultNumeric_SeqDense_SeqDense(Mat,Mat,Mat);
     42: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqAIJ_SeqDense(Mat,Mat,PetscReal,Mat);
     43: PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqAIJ_SeqDense(Mat,Mat,Mat);
     44: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqBAIJ_SeqDense(Mat,Mat,PetscReal,Mat);
     45: PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqBAIJ_SeqDense(Mat,Mat,Mat);
     46: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_SeqSBAIJ_SeqDense(Mat,Mat,PetscReal,Mat);
     47: PETSC_INTERN PetscErrorCode MatMatMultNumeric_SeqSBAIJ_SeqDense(Mat,Mat,Mat);
     48: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_Nest_Dense(Mat,Mat,PetscReal,Mat*);
     49: PETSC_INTERN PetscErrorCode MatMatMultNumeric_Nest_Dense(Mat,Mat,Mat);

     51: PETSC_INTERN PetscErrorCode MatProductSetFromOptions_SeqDense(Mat);
     52: PETSC_INTERN PetscErrorCode MatProductSetFromOptions_SeqAIJ_SeqDense(Mat);
     53: PETSC_INTERN PetscErrorCode MatProductSetFromOptions_SeqXBAIJ_SeqDense(Mat);
     54: PETSC_INTERN PetscErrorCode MatProductSetFromOptions_SeqDense_SeqAIJ(Mat);

     56: PETSC_EXTERN PetscErrorCode MatCreate_SeqDense(Mat);

     58: /* Used by SeqDenseCUDA */
     59: PETSC_INTERN PetscErrorCode MatDuplicateNoCreate_SeqDense(Mat,Mat,MatDuplicateOption);
     60: PETSC_INTERN PetscErrorCode MatNorm_SeqDense(Mat,NormType,PetscReal*);
     61: PETSC_INTERN PetscErrorCode MatView_SeqDense(Mat,PetscViewer);
     62: PETSC_INTERN PetscErrorCode MatDestroy_SeqDense(Mat);
     63: PETSC_INTERN PetscErrorCode MatDenseGetArray_SeqDense(Mat,PetscScalar*[]);
     64: PETSC_INTERN PetscErrorCode MatDenseRestoreArray_SeqDense(Mat,PetscScalar*[]);
     65: PETSC_INTERN PetscErrorCode MatAXPY_SeqDense(Mat,PetscScalar,Mat,MatStructure);
     66: PETSC_INTERN PetscErrorCode MatMultTransposeAdd_SeqDense(Mat,Vec,Vec,Vec);
     67: PETSC_INTERN PetscErrorCode MatMultTranspose_SeqDense(Mat,Vec,Vec);
     68: PETSC_INTERN PetscErrorCode MatMultAdd_SeqDense(Mat,Vec,Vec,Vec);
     69: PETSC_INTERN PetscErrorCode MatMult_SeqDense(Mat,Vec,Vec);
     70: PETSC_INTERN PetscErrorCode MatDuplicate_SeqDense(Mat,MatDuplicateOption,Mat*);
     71: PETSC_INTERN PetscErrorCode MatSeqDenseSetPreallocation_SeqDense(Mat,PetscScalar*);
     72: PETSC_INTERN PetscErrorCode MatCholeskyFactor_SeqDense(Mat,IS,const MatFactorInfo*);
     73: PETSC_INTERN PetscErrorCode MatLUFactor_SeqDense(Mat,IS,IS,const MatFactorInfo*);
     74: PETSC_INTERN PetscErrorCode MatCholeskyFactorSymbolic_SeqDense(Mat,Mat,IS,const MatFactorInfo*);
     75: PETSC_INTERN PetscErrorCode MatLUFactorSymbolic_SeqDense(Mat,Mat,IS,IS,const MatFactorInfo*);
     76: PETSC_INTERN PetscErrorCode MatSeqDenseSymmetrize_Private(Mat,PetscBool);
     77: PETSC_INTERN PetscErrorCode MatGetColumnVector_SeqDense(Mat,Vec,PetscInt);
     78: PETSC_INTERN PetscErrorCode MatScale_SeqDense(Mat,PetscScalar);
     79: PETSC_INTERN PetscErrorCode MatDenseGetColumnVec_SeqDense(Mat,PetscInt,Vec*);
     80: PETSC_INTERN PetscErrorCode MatDenseRestoreColumnVec_SeqDense(Mat,PetscInt,Vec*);
     81: PETSC_INTERN PetscErrorCode MatDenseGetColumnVecRead_SeqDense(Mat,PetscInt,Vec*);
     82: PETSC_INTERN PetscErrorCode MatDenseRestoreColumnVecRead_SeqDense(Mat,PetscInt,Vec*);
     83: PETSC_INTERN PetscErrorCode MatDenseGetColumnVecWrite_SeqDense(Mat,PetscInt,Vec*);
     84: PETSC_INTERN PetscErrorCode MatDenseRestoreColumnVecWrite_SeqDense(Mat,PetscInt,Vec*);
     85: PETSC_INTERN PetscErrorCode MatDenseGetSubMatrix_SeqDense(Mat,PetscInt,PetscInt,Mat*);
     86: PETSC_INTERN PetscErrorCode MatDenseRestoreSubMatrix_SeqDense(Mat,Mat*);
     87: PETSC_INTERN PetscErrorCode MatDenseSetLDA_SeqDense(Mat,PetscInt);
     88: PETSC_INTERN PetscErrorCode MatCopy_SeqDense(Mat,Mat,MatStructure);

     90: #if defined(PETSC_HAVE_CUDA)
     91: PETSC_EXTERN PetscErrorCode MatSeqDenseCUDAInvertFactors_Private(Mat);
     92: PETSC_INTERN PetscErrorCode MatConvert_SeqDenseCUDA_SeqDense(Mat,MatType,MatReuse,Mat*);
     93: PETSC_INTERN PetscErrorCode MatConvert_SeqDense_SeqDenseCUDA(Mat,MatType,MatReuse,Mat*);
     94: #endif

     96: PETSC_EXTERN PetscErrorCode MatSeqDenseInvertFactors_Private(Mat);

     98: PETSC_INTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat_SeqDense(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);
     99: PETSC_INTERN PetscErrorCode MatCreateMPIMatConcatenateSeqMat_MPIDense(MPI_Comm,Mat,PetscInt,MatReuse,Mat*);

    101: PETSC_INTERN PetscErrorCode MatView_Dense_Binary(Mat,PetscViewer);
    102: PETSC_INTERN PetscErrorCode MatLoad_Dense_Binary(Mat,PetscViewer);
    103: PETSC_INTERN PetscErrorCode MatLoad_Dense_HDF5(Mat,PetscViewer);
    104: #endif