/*
      DCLAP Copyright notice
      
      This code is Copyright (C) 1994 by D.G. Gilbert.
      All Rights Reserved.

      You may use this code for your personal use, to provide a non-profit
      service to others, or to use as a test platform for a commercial
      implementation. 

      You may not use this code in a commercial product, nor to provide a
      commercial service, nor may you sell this code without express
      written permission of the author.  
      
      gilbertd@bio.indiana.edu 
      Biology Dept., Indiana University, Bloomington, IN 47405 
*/