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* The author of this software is Randolph E. Bank. *
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* Copyright (c) 1997, 1999, 2004, 2007, 2012 by the author. *
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* This software is made available for research and instructional use only. *
* You may copy and use this software without charge for these non-commercial *
* purposes, provided that the copyright notice and associated text is *
* reproduced on all copies. For all other uses (including distribution of *
* modified versions), please contact the author. *
* *
* This software is being provided "as is", without any expressed or implied *
* warranty. In particular, the author does not make any representation or *
* warranty of any kind concerning the fitness of this software for any *
* particular purpose. *
* *
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