Ejemplo n.º 1
0
        public void AddParameterVariable(Model model)
        {
            if (Def.Parameters != null)
            {
                for (int i = 0; i < this.Def.Parameters.Length; i++)
                {
                    string parameter = this.Def.Parameters[i];

                    int min = Model.BDD_INT_UPPER_BOUND;
                    int max = Model.BDD_INT_LOWER_BOUND;

                    if (this.Def.ParameterLowerBound.ContainsKey(parameter) && this.Def.ParameterUpperLowerBound.ContainsKey(parameter))
                    {
                        min = this.Def.ParameterLowerBound.GetContainsKey(parameter);
                        max = this.Def.ParameterUpperLowerBound.GetContainsKey(parameter);
                    }
                    else
                    {
                        ExpressionBDDEncoding argumentBDD = Args[i].TranslateIntExpToBDD(model);
                        foreach (CUDDNode argExp in argumentBDD.ExpressionDDs)
                        {
                            min = Math.Min(min, (int)CUDD.FindMinThreshold(argExp, Model.BDD_INT_LOWER_BOUND));
                            max = Math.Max(max, (int)CUDD.FindMaxThreshold(argExp, Model.BDD_INT_UPPER_BOUND));
                        }
                    }

                    //Also set the parameter as global variable to make sure that the parameters unchanged in encoding Transition
                    model.AddGlobalVar(parameter, min, max);
                }
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Add local variable including state, and parameters
        /// Return the variable name encoding states
        /// </summary>
        /// <param name="encoder"></param>
        public string AddLocalVariables(BDDEncoder encoder)
        {
            RenameLocalVars();

            for (int i = 0; i < this.Parameters.Count; i++)
            {
                string parameter = this.Parameters[i];

                int min = Model.BDD_INT_UPPER_BOUND;
                int max = Model.BDD_INT_LOWER_BOUND;

                if (ParameterUpperBound.ContainsKey(parameter) && ParameterLowerBound.ContainsKey(parameter))
                {
                    min = ParameterLowerBound[parameter];
                    max = ParameterUpperBound[parameter];
                }
                else
                {
                    ExpressionBDDEncoding argumentBDD = this.Arguments[i].TranslateIntExpToBDD(encoder.model);
                    foreach (CUDDNode argExp in argumentBDD.ExpressionDDs)
                    {
                        min = Math.Min(min, (int)CUDD.FindMinThreshold(argExp, Model.BDD_INT_LOWER_BOUND));
                        max = Math.Max(max, (int)CUDD.FindMaxThreshold(argExp, Model.BDD_INT_UPPER_BOUND));
                    }
                }

                //In its old transition encoding, we don't make sure this variable must be unchanged.
                //We also need to add this variable to VaribleIndex of the AutomataBDD because previous process does not know this variable
                //if global then later processes will set this variable as unchange.
                encoder.model.AddLocalVar(parameter, min, max);
            }

            const string STATE = "state";
            //
            string processVariableName = Name + Model.NAME_SEPERATOR + STATE + Model.GetNewTempVarName();

            encoder.model.AddLocalVar(processVariableName, 0, this.States.Count - 1);

            //
            encoder.stateIndexOfCurrentProcess = new Dictionary <string, int>();
            //collect the state index
            foreach (State state in this.States)
            {
                encoder.stateIndexOfCurrentProcess.Add(state.Name, encoder.stateIndexOfCurrentProcess.Count);
            }

            return(processVariableName);
        }