Create the fixed model associated with a MIP model. The MIP model must have a solution loaded (e.g., after a call to GRBoptimize). In the fixed model, each integer variable is fixed to the value that variable takes in the MIP solution.
A non-zero return value indicates that a problem occurred while creating the fixed model. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.
model: The MIP model (with a solution loaded).
fixedP: The computed fixed model.
GRBmodel *fixed; error = GRBfixmodel(model, &fixed);