Hi Xypron, > the problem below can be solved by the dual simplex > glpsol.exe -m test.mod --dual
> Yet glp_get_dual_stat() returns > GLP_INFEAS dual solution is infeasible > for the problem when called in glplpx03.c. > The dual values for the constraints are > c1: 1.000000 > c2: 1.000000 > c3: -0.000000e+000 The bug is in glp_warm_up, which is called (via lpx_warm_up) from glplpx03. It does not account optimization direction, so the dual status is determined correctly only for minimization. _______________________________________________ Bug-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-glpk
