VariableSet GeneralConstraint::getVariables( const SourceIDSet& sourceSet )
{
VariableSet vset;
VariableSet unkSet( getVariables() );
for( VariableSet::const_iterator itv = unkSet.begin();
itv != unkSet.end();
++itv )
{
SourceIDSet::const_iterator it = sourceSet.find( (*itv).getSource() );
if( it!=sourceSet.end() ) vset.insert( *itv );
}
return vset;
} // End of method 'GeneralConstraint::getVariables(...'
