Struct QrDescriptor 

pub struct QrDescriptor<'a, T> {
    pub m: usize,
    pub n: usize,
    pub a: &'a [T],
    pub q: &'a mut [T],
    pub r: &'a mut [T],
    pub order: MemoryOrder,
    pub policy: ExecPolicy,
}

Thin QR decomposition descriptor: A = Q * R

Computes the thin QR of an m×n matrix A. Data layout (A, Q, R slices) is specified by the order field; a backend that does not support a given order returns BackendError::InvalidArgument. Outputs: Q (m×k), R (k×n) where k = min(m, n).

Fields

m: usize

Rows of A.

n: usize

Columns of A.

a: &'a [T]

Input matrix A (m×n).

q: &'a mut [T]

Output orthonormal factor Q (m×k, k = min(m, n)).

r: &'a mut [T]

Output upper-triangular factor R (k×n).

order: MemoryOrder

Memory layout of the matrix slices.

policy: ExecPolicy

Per-call execution policy.