Function dtrexc

pub unsafe fn dtrexc(
    compq: u8,
    n: i32,
    t: &mut [f64],
    ldt: i32,
    q: &mut [f64],
    ldq: i32,
    ifst: &[i32],
    ilst: &mut [i32],
    work: &mut [f64],
    info: &mut i32,
)