petsc-3.9.0 2018-04-07
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MatNestGetSubMats

Returns the entire two dimensional array of matrices defining a nest matrix.

Synopsis

#include "petscmat.h"   
PetscErrorCode  MatNestGetSubMats(Mat A,PetscInt *M,PetscInt *N,Mat ***mat)
Not collective

Input Parameters

A -nest matrix

Output Parameter

M - number of rows in the nest matrix
N - number of cols in the nest matrix
mat - 2d array of matrices

Notes

The user should not free the array mat.

In Fortran, this routine has a calling sequence

  call MatNestGetSubMats(A, M, N, mat, ierr)
where the space allocated for the optional argument mat is assumed large enough (if provided).

See Also

MatNestGetSize(), MatNestGetSubMat()

Level

developer

Location

src/mat/impls/nest/matnest.c

Implementations

MatNestGetSubMats_Nest in src/mat/impls/nest/matnest.c

Index of all Mat routines
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Index of all manual pages