CVSROOT: /cvs/ppl Module name: ppl Changes by: mundell@cs.unipr.it 2006-01-30 13:27:00 Modified files: src : Grid_conversion.cc Log message: Update lower_triangular and upper_triangular to check that the diagonal is positive and to correctly check for squareness when there are virtual rows. Patches: http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/ppl/src/Grid_conversion.cc.diff?cv...