> This is a minor inconsistency. > > I tried to write out my problem to various formats. And only MPS writer > printed this: > Warning: problem has 27 empty column(s) > > Other writers: MIP,SOL,LPX didn't complain even though this is the same > problem. > > Different writers should produce the same warning on the same problem. >
No, they shouldn't. The reason is that the mps format, unlike other formats, is column-oriented, so an empty column cannot be written in an mps file without introducing a dummy zero coefficient in some row. _______________________________________________ Bug-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-glpk
