ARCHITECTURE studentVersion OF offsetToUnsigned IS

  signal mySignal : unsigned(BitNb-1 downto 0);
  signal const : unsigned(BitNb-1 downto 0) := (others => '1');

BEGIN
  process(signedIn) begin
    if signedIn(signedIn'high) then
      mySignal <= unsigned(signedIn) - (const srl 1);
    else
    mySignal <= unsigned(signedIn) + (const srl 1);
    end if;
  end process;

  unsignedOut <= mySignal;

END ARCHITECTURE studentVersion;