Function laswp

pub unsafe fn laswp(
    n: usize,
    a: &mut [f64],
    lda: usize,
    k1: i32,
    k2: i32,
    ipiv: &[i32],
    incx: i32,
)

Expand description

Performs a series of row interchanges on a matrix.

§Arguments

n - The number of columns of the matrix A to which the interchanges will be applied.
a - A mutable slice representing the matrix A in column-major order.
lda - The leading dimension of A, i.e., the stride between consecutive columns.
k1 - The first element of ipiv to be used for interchanges (0-based).
k2 - The last element of ipiv to be used for interchanges (0-based).
ipiv - The slice containing the pivot indices. For i in k1..=k2, row i is swapped with row ipiv[i].
incx - The increment between successive values of ipiv. If incx is positive, the loop is forward; if negative, it’s backward. If zero, no swaps are performed.