/** Set up bond parameters for bonds for which both atoms present in mask. */
void Action_CheckStructure::SetupBondList(AtomMask const& iMask, Topology const& top) {
  CharMask cMask( iMask.ConvertToCharMask(), iMask.Nselected() );
 
  ProcessBondArray(top.Bonds(),  top.BondParm(), cMask);
  ProcessBondArray(top.BondsH(), top.BondParm(), cMask);
}