/// <summary>
/// Return AutomataBDD of the hiding process
/// [ REFS: 'none', DEREFS: 'hidingEvent, tauEvent, P1' ]
/// </summary>
/// <param name="hidingEvent">CUDDNode of hiding events</param>
/// <param name="tauEvent">CUDDNode of tau event</param>
/// <param name="P1">AutomataBDD of the process P1</param>
/// <param name="model"></param>
/// <returns></returns>
public static AutomataBDD Hiding(CUDDNode hidingEvent, CUDDNode tauEvent, AutomataBDD P1, Model model)
{
CUDD.Ref(P1.transitionBDD);
CUDD.Ref(hidingEvent);
List <CUDDNode> hidingTransition = CUDD.Function.And(P1.transitionBDD, hidingEvent);
hidingTransition = CUDD.Abstract.ThereExists(hidingTransition, model.GetEventColVars());
CUDD.Ref(tauEvent);
hidingTransition = CUDD.Function.And(hidingTransition, tauEvent);
//
CUDD.Ref(P1.transitionBDD);
CUDD.Ref(hidingEvent);
List <CUDDNode> notHidingTransition = CUDD.Function.And(P1.transitionBDD, CUDD.Function.Not(hidingEvent));
//
CUDD.Deref(hidingEvent, tauEvent);
CUDD.Deref(P1.transitionBDD);
P1.transitionBDD.Clear();
P1.transitionBDD.AddRange(hidingTransition);
P1.transitionBDD.AddRange(notHidingTransition);
return(P1);
}
