CVSROOT: /cvs/ppl Module name: ppl Branch: grids Changes by: mundell at cs.unipr.it 2006-01-22 21:34:53 Modified files: src : Congruence.cc Log message: Update operator<< to use Coefficient_zero() for zero. Patches: http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/ppl/src/Congruence.cc.diff?cvsroot=ppl&only_with_tag=grids&r1=1.1.2.21&r2=1.1.2.22