#include "petscmat.h" PetscErrorCode PETSCMAT_DLLEXPORT MatGetRowIJ(Mat mat,PetscInt shift,PetscTruth symmetric,PetscInt *n,PetscInt *ia[],PetscInt* ja[],PetscTruth *done)Collective on Mat
| mat | - the matrix | |
| shift | - 0 or 1 indicating we want the indices starting at 0 or 1 | |
| symmetric | - PETSC_TRUE or PETSC_FALSE indicating the matrix data structure should be symmetrized |
| n | - number of rows in the (possibly compressed) matrix | |
| ia | - the row pointers | |
| ja | - the column indices | |
| done | - indicates if the routine actually worked and returned appropriate ia[] and ja[] arrays; callers are responsible for handling the case when done == PETSC_FALSE and ia and ja are not set |
Notes: You CANNOT change any of the ia[] or ja[] values.
Use MatRestoreRowIJ() when you are finished accessing the ia[] and ja[] values
Level:developer
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages