Function lapack_sys::c::LAPACKE_dtpttf

pub unsafe extern fn LAPACKE_dtpttf(matrix_layout: c_int,
                                    transr: c_char,
                                    uplo: c_char,
                                    n: lapack_int,
                                    ap: *const c_double,
                                    arf: *mut c_double)
                                    -> lapack_int