Re: [Help-glpk] Help required regarding cosntraint setup in glpk

[Andrew Makhorin]

> I have been using GLPK. I wanted to know if we have a certain number of
> constraints in the model file (constr1, constr2 etc.,), Can we choose to
> run the model file by turning off certain constriants? For e.g., My data
> file has only constr1 but not constr2 and I need to turn off constr2
> before running the model, is there any way we can do this? I know AMPL has
> the ability of turning constraints on or off in the run file.

Currently glpk does not support such feature. However, you can use
the C preprocessor to do that:

gcc -E -xc modfile > preprocessed modfile