pub unsafe extern fn zggsvd_(jobu: *const c_char, jobv: *const c_char, jobq: *const c_char, m: *const lapack_int, n: *const lapack_int, p: *const lapack_int, k: *mut lapack_int, l: *mut lapack_int, a: *mut lapack_complex_double, lda: *const lapack_int, b: *mut lapack_complex_double, ldb: *const lapack_int, alpha: *mut c_double, beta: *mut c_double, u: *mut lapack_complex_double, ldu: *const lapack_int, v: *mut lapack_complex_double, ldv: *const lapack_int, q: *mut lapack_complex_double, ldq: *const lapack_int, work: *mut lapack_complex_double, rwork: *mut c_double, iwork: *mut lapack_int, info: *mut lapack_int)