Function gsl_sys::gsl_linalg_QR_UU_lssolve

pub unsafe extern "C" fn gsl_linalg_QR_UU_lssolve(
    R: *const gsl_matrix, 
    Y: *const gsl_matrix, 
    T: *const gsl_matrix, 
    b: *const gsl_vector, 
    x: *mut gsl_vector, 
    work: *mut gsl_vector
) -> c_int