COPYRIGHTThe following is a notice of limited availability of the code, and disclaimerwhich must be included in the prologue of the code and in all source listingsof the code.Copyright Notice + 2009 University of ChicagoPermission is hereby granted to use, reproduce, prepare derivative works, andto redistribute to others. This software was authored by:Mathematics and Computer Science DivisionArgonne National Laboratory, Argonne IL 60439 GOVERNMENT LICENSEPortions of this material resulted from work developed under a U.S.Government Contract and are subject to the following license: the Governmentis granted for itself and others acting on its behalf a paid-up, nonexclusive,irrevocable worldwide license in this computer software to reproduce, preparederivative works, and perform publicly and display publicly. DISCLAIMERThis computer code material was prepared, in part, as an account of worksponsored by an agency of the United States Government. Neither the UnitedStates, nor the University of Chicago, nor any of their employees, makes anywarranty express or implied, or assumes any legal liability or responsibilityfor the accuracy, completeness, or usefulness of any information, apparatus,product, or process disclosed, or represents that its use would not infringeprivately owned rights.