I'm looking for the algorithm of Preparata and Supowit for testing a simple polygon for monotonicity in linear time.I've found it referenced in many textbooks but I can't find the algorithm itself.Here's the information on the original article: http://md1.csa.com/partners/viewrecord.php?requester=gs&collection=TRD&recid=0164490CI
Testing a simple polygon for monotonicity in linear time question
algorithms;geometry