MatInodeAdjustForInodes

If the matrix uses identical-node (inode) blocks, replace the given permutations, which are expressed on inode blocks, with permutations expressed on the individual rows and columns.

Synopsis

PetscErrorCode MatInodeAdjustForInodes(Mat A, IS *rperm, IS *cperm)

Not Collective

Input Parameter

• A - the matrix

Output Parameters

• rperm - the row permutation, updated in place

• cperm - the column permutation, updated in place

Note

If A does not use inodes, or all inodes are of size 1, the permutations are returned unchanged.

See Also

Mat, MATSEQAIJ, MatInodeGetInodeSizes(), MatGetOrdering()

Level

developer

Location

src/mat/impls/aij/seq/inode.c

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