c =========================================================================
c
c  Copyright 1995-2006  R. J. LeVeque and others
c
c  This software is made available for research and instructional use only.
c  You may copy and use this software without charge for these non-commercial
c  purposes, provided that the copyright notice and associated text is
c  reproduced on all copies.  For all other uses (including distribution of
c  modified versions), please contact the author at the address given below.
c  
c  *** This software is made available "as is" without any assurance that it
c  *** will work for your purposes.  The software may in fact have defects, so
c  *** use the software at your own risk.
c
c  --------------------------------------
c
c    CLAWPACK Version 4.3, April, 2006
c    http://www.amath.washington.edu/~claw