Function lapack::c::dtgexc

pub fn dtgexc(layout: Layout, wantq: i32, wantz: i32, n: i32, a: &mut [f64], lda: i32, b: &mut [f64], ldb: i32, q: &mut f64, ldq: i32, z: &mut [f64], ldz: i32, ifst: &mut [i32], ilst: &mut [i32]) -> i32