We were thinking about making a GLPK version of our linear programming GUI, but we're stuck because of missing API features.
Suppose you want to display a graph with the current objective value, then you need either:
- a callback that is called regularly during simplex, so that you can call getObjVal() at appropriate times (the MIP callback method is not enough in this case) - or thread safety, ie. a guarantee that you can call getObjVal() at any time from another thread
From what I understand, neither option is available. Is there a plan to have either of them implemented in the future ?