extendr_api::prelude::modules::qr::col_pivoting::reconstruct

Function reconstruct_req

pub fn reconstruct_req<I, E>(
    qr_nrows: usize,
    qr_ncols: usize,
    blocksize: usize,
    parallelism: Parallelism<'_>,
) -> Result<StackReq, SizeOverflow>
where
    I: Index,
    E: Entity,
Expand description

Computes the size and alignment of required workspace for reconstructing a matrix out of place, given its QR decomposition with column pivoting.