lapack_sys::ztgexc_

pub unsafe extern fn ztgexc_(wantq: *const c_int, wantz: *const c_int, n: *const c_int, a: *mut complex_double, lda: *const c_int, b: *mut complex_double, ldb: *const c_int, q: *mut complex_double, ldq: *const c_int, z: *mut complex_double, ldz: *const c_int, ifst: *const c_int, ilst: *mut c_int, info: *mut c_int)