GRBModel::getSOS()

Retrieve the list of variables that participate in an SOS constraint, and the associated coefficients. The return value is the length of this list. If you would like to allocate space for the result before retrieving the result, call the method first with NULL array arguments to determine the appropriate array lengths.

int getSOS ( GRBSOS sos,
    GRBVar* vars,
    double* weights,
    int* typeP )