Function nfloat_complex_mat_nonsingular_solve_triu 

pub unsafe extern "C" fn nfloat_complex_mat_nonsingular_solve_triu(
    X: *mut gr_mat_struct,
    L: *const gr_mat_struct,
    B: *const gr_mat_struct,
    unit: c_int,
    ctx: *mut gr_ctx_struct,
) -> c_int