Relative probability of accepting this jump from a lookup-table.

        Args:
            jump_lookup_table (LookupTable): the lookup table to be used for this jump.

        Returns:
            (Float): relative probability of accepting this jump.

def relative_probability_from_lookup_table( self, jump_lookup_table ):
        """
        Relative probability of accepting this jump from a lookup-table.

        Args:
            jump_lookup_table (LookupTable): the lookup table to be used for this jump.

        Returns:
            (Float): relative probability of accepting this jump.
        """
        l1 = self.initial_site.label
        l2 = self.final_site.label
        c1 = self.initial_site.nn_occupation()
        c2 = self.final_site.nn_occupation()
        return jump_lookup_table.jump_probability[ l1 ][ l2 ][ c1 ][ c2 ]