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