1: #include <petsc/private/matimpl.h>
  2: #include <petsc/private/vecimpl.h>

  4: typedef struct{

  6:   Mat A;
  7:   Vec VC; /* Work vector in the column space */
  8:   Vec VR; /* Work vector in the row space */
  9:   IS Rows, Cols;

 11: } _p_MatSubMatFreeCtx;

 13: typedef  _p_MatSubMatFreeCtx* MatSubMatFreeCtx;

 15: PetscErrorCode MatCreateSubMatrixFree(Mat,IS,IS,Mat*);
 16: PetscErrorCode MatSMFResetRowColumn(Mat,IS,IS);
 17: PetscErrorCode MatMult_SMF(Mat,Vec,Vec);
 18: PetscErrorCode MatMultTranspose_SMF(Mat,Vec,Vec);
 19: PetscErrorCode MatDiagonalSet_SMF(Mat,Vec,InsertMode);
 20: PetscErrorCode MatDestroy_SMF(Mat);
 21: PetscErrorCode MatView_SMF(Mat,PetscViewer);
 22: PetscErrorCode MatShift_SMF(Mat,PetscReal);
 23: PetscErrorCode MatDuplicate_SMF(Mat,MatDuplicateOption,Mat*);
 24: PetscErrorCode MatEqual_SMF(Mat,Mat,PetscBool*);
 25: PetscErrorCode MatScale_SMF(Mat,PetscReal);
 26: PetscErrorCode MatGetSubMatrix_SMF(Mat,IS,IS,MatReuse,Mat *);
 27: PetscErrorCode MatGetSubMatrices_SMF(Mat,PetscInt,IS*,IS*,MatReuse,Mat**);
 28: PetscErrorCode MatTranspose_SMF(Mat,Mat*);
 29: PetscErrorCode MatGetDiagonal_SMF(Mat,Vec);
 30: PetscErrorCode MatGetColumnVector_SMF(Mat,Vec, PetscInt);
 31: PetscErrorCode MatNorm_SMF(Mat,NormType,PetscReal *);
 32: PetscErrorCode MatGetRowMax_SMF(Mat, Vec);
 33: PetscErrorCode MatGetRow_SMF(Mat,PetscInt,PetscInt *,const PetscInt **,const PetscScalar **);
 34: PetscErrorCode MatRestoreRow_SMF(Mat,PetscInt,PetscInt *,const PetscInt **,const PetscScalar **);