Function lapacke_sys::LAPACKE_dtrttf

pub unsafe extern "C" fn LAPACKE_dtrttf(
    matrix_layout: c_int, 
    transr: c_char, 
    uplo: c_char, 
    n: lapack_int, 
    a: *const c_double, 
    lda: lapack_int, 
    arf: *mut c_double
) -> lapack_int