extendr_api::prelude::sparse::linalg::amd

Function order_maybe_unsorted

pub fn order_maybe_unsorted<I>(
    perm: &mut [I],
    perm_inv: &mut [I],
    A: SymbolicSparseColMatRef<'_, I>,
    control: Control,
    stack: PodStack<'_>,
) -> Result<FlopCount, FaerError>
where
    I: Index,
Expand description

Computes the approximate minimum degree ordering for reducing the fill-in during the sparse Cholesky factorization of a matrix with the sparsity pattern of A + A.T.

ยงNote

Allows unsorted matrices.