extendr_api::prelude::sparse::linalg::cholesky::simplicial

Function prefactorize_symbolic_cholesky_req

pub fn prefactorize_symbolic_cholesky_req<I>(
    n: usize,
    nnz: usize,
) -> Result<StackReq, SizeOverflow>
where I: Index,
Expand description

Computes the size and alignment of the workspace required to compute the elimination tree and column counts of a matrix of size n with nnz non-zero entries.