Re: [sage-support] Re: Vehicle routing problems in sage

2012-03-22 Thread Nathann Cohen
Hell Chris !!! > I found that when installing cbc I had to add "#include " to > CbcEventHandler.cpp, otherwise I got compilation errors about NULL not > being defined. Arg... Well, this interface is being rewritte anyway. I had a lot of things to do during the previous week (job appli

Re: [sage-support] Re: Vehicle routing problems in sage

2012-03-20 Thread Chris Kees
Hi Nathann! I found that when installing cbc I had to add "#include " to CbcEventHandler.cpp, otherwise I got compilation errors about NULL not being defined. I'm using gcc 4.6.1. The glpk install went smoothly. I noticed on your tutorial you also mention IBM's CPLEX. Are the sage wrappers for i

Re: [sage-support] Re: Vehicle routing problems in sage

2012-03-17 Thread Nathann Cohen
Hello !!! > Thanks! I spent some time with the graph and milp support today, and it's > exactly what I was looking for. Glad to hear it ! :-) > Do you have an idea of how the current > implementations scale with the size of the graph? Oh. Well, I do not use LP to sol