Function lapack::c::dspevx

pub fn dspevx(layout: Layout, jobz: u8, range: u8, uplo: u8, n: i32, ap: &mut [f64], vl: f64, vu: f64, il: i32, iu: i32, abstol: f64, m: &mut i32, w: &mut [f64], z: &mut [f64], ldz: i32, ifail: &mut i32) -> i32