>Search.betterThan</A>
           are to be called. It is also used by distributed search with Branch & Bound active.
           In all other cases, including local search, and local Branch & Bound search, this function is <B>not</B>
           required and can be defined as <TT>fun compare _ = assert false</TT>.
        </P>
    </DD>
  </DL>

<?php section("examples", "examples"); ?>
<P>
<A name="examples"></A>
The first example is the legacy n-queen problem.
It uses a fixed distance recomputation policy.