Brian Hulley wrote:
Interval llow lhigh + Interval rlow rhigh = Interval (min llow rlow) (max lhigh rhigh)
Not a good start!!! ;-) Interval llow lhigh + Interval rlow rhigh = Interval (llow+rlow) (lhigh+rhigh) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe