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.
PLTMG development was supported by the National Science Foundation
under grants DMS-0511766 and SCREMS-0532073.