MatMPIAIJGetSeqAIJF90#

Returns the local pieces of this distributed matrix

Synopsis#

MatMPIAIJGetSeqAIJF90(Mat A, Mat Ad, Mat Ao, {PetscInt, pointer :: colmap(:)},integer ierr)

Not Collective

Input Parameter#

Output Parameters#

  • Ad - the diagonal portion of the matrix

  • Ao - the off diagonal portion of the matrix

  • colmap - An array mapping local column numbers of Ao to global column numbers of the parallel matrix

  • ierr - error code

Note#

Use MatMPIAIJRestoreSeqAIJF90() when you no longer need access to the matrices and colmap

See Also#

Matrices, Mat, Routines that Return Fortran Allocatable Arrays, Mat, MATMPIAIJ, MatMPIAIJGetSeqAIJ(), MatMPIAIJRestoreSeqAIJF90()

Level#

advanced

Location#

src/mat/impls/aij/mpi/mpiaij.c

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