pub unsafe extern fn ctgsen_(ijob: *const c_int, wantq: *const c_int, wantz: *const c_int, select: *const c_int, n: *const c_int, a: *mut c_float_complex, lda: *const c_int, b: *mut c_float_complex, ldb: *const c_int, alpha: *mut c_float_complex, beta: *mut c_float_complex, q: *mut c_float_complex, ldq: *const c_int, z: *mut c_float_complex, ldz: *const c_int, m: *mut c_int, pl: *mut c_float, pr: *mut c_float, dif: *mut c_float, work: *mut c_float_complex, lwork: *const c_int, iwork: *mut c_int, liwork: *const c_int, info: *mut c_int)