Ejemplo n.º 1
0
        /// <summary>
        /// Calculates the fitness value of the given solution.
        /// </summary>
        public override float Calculate(TSPTWProblem problem, IEnumerable <int> tour, out int violated, out float violatedTime, out float waitTime, out float time,
                                        ref bool[] validFlags)
        {
            // calculate everything here.
            violated = problem.TimeAndViolations(tour, out time, out waitTime, out violatedTime, ref validFlags);

            // here only violated time is usefull, this objective is built to only make a tour valid.
            return(violatedTime);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Calculates the fitness value of the given solution.
        /// </summary>
        public override float Calculate(TSPTWProblem problem, IEnumerable <int> tour, out int violated, out float violatedTime, out float waitTime, out float time,
                                        ref bool[] validFlags)
        {
            // calculate everything here.
            violated = problem.TimeAndViolations(tour, out time, out waitTime, out violatedTime, ref validFlags);

            // TODO:there is need to seperate the violations, waiting time and weights.
            //      expand the logistics library to allow for pareto-optimal or other
            //      more advanced weight comparisons.
            //      => this may not be needed anymore for the TSP-TW but for other problems it may be useful.
            return(time + violatedTime * 1000);
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Calculates the fitness of a TSP solution.
        /// </summary>
        /// <returns></returns>
        public sealed override float Calculate(TSPTWProblem problem, IEnumerable <int> solution)
        {
            if (_validFlags == null)
            {
                _validFlags = new bool[problem.Times.Length / 2];
            }

            // calculate everything here.
            float violatedTime, time, waitTime;
            var   violated = problem.TimeAndViolations(solution, out time, out waitTime, out violatedTime, ref _validFlags);

            // here only violated time is usefull, this objective is built to only make a tour valid.
            return(violatedTime);
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Calculates the fitness value of the given solution.
        /// </summary>
        public sealed override float Calculate(TSPTWProblem problem, Tour solution)
        {
            if (_validFlags == null)
            {
                _validFlags = new bool[solution.Count];
            }

            // calculate everything here.
            float violatedTime, waitTime, time;
            var   violated = problem.TimeAndViolations(solution, out time, out waitTime, out violatedTime, ref _validFlags);

            // TODO:there is need to seperate the violations, waiting time and weights.
            //      expand the logistics library to allow for pareto-optimal or other
            //      more advanced weight comparisons.
            //      => this may not be needed anymore for the TSP-TW but for other problems it may be useful.
            return(time + violatedTime * 1000);
        }