library ExtendedMath 
   {
   //return the smaller of the two inputs (a or b)
   function limitLessThan(uint a, uint b) internal pure returns (uint c) 
      {
      if(a > b) return b;
      return a;
      }
   }
function limitLessThan(uint a, uint b) internal pure returns (uint c) 
      {
      if(a > b) return b;
      return a;
      }
//return the smaller of the two inputs (a or b)