protected override double GetProbability(BDDNode node, SamplingVector samplingVector, Dictionary <BDDNode, double> cache = null)
        {
            if (node.IsOne)
            {
                return(1.0);
            }
            if (node.IsZero)
            {
                return(0.0);
            }

            if (cache == null)
            {
                cache = new Dictionary <BDDNode, double> ();
            }
            else if (cache.TryGetValue(node, out double cached))
            {
                return(cached);
            }

            if (_rmapping[node.Index] is GoalException exception)
            {
                var    v     = 0;
                double value = GetProbability(node.Low, samplingVector, cache) * (1 - v)
                               + GetProbability(node.High, samplingVector, cache) * v;
                cache[node] = value;
                return(value);
            }
            else
            {
                return(base.GetProbability(node, samplingVector, cache));
            }
        }
Example #2
0
        protected override double GetProbability(BDDNode node, SamplingVector samplingVector, Dictionary <BDDNode, double> cache = null)
        {
            if (node.IsOne)
            {
                return(1.0);
            }
            if (node.IsZero)
            {
                return(0.0);
            }

            if (cache == null)
            {
                cache = new Dictionary <BDDNode, double> ();
            }
            else if (cache.TryGetValue(node, out double cached))
            {
                return(cached);
            }

            if (_rmapping[node.Index] is PrimitiveRefineeParameter <double> c)
            {
                double value = GetProbability(node.Low, samplingVector, cache) * (1 - c.Value)
                               + GetProbability(node.High, samplingVector, cache) * c.Value;
                cache[node] = value;
                return(value);
            }
            else
            {
                return(base.GetProbability(node, samplingVector, cache));
            }
        }
        protected virtual double GetProbability(BDDNode node, SamplingVector samplingVector, Dictionary <BDDNode, double> cache = null)
        {
            if (node.IsOne)
            {
                return(1.0);
            }
            if (node.IsZero)
            {
                return(0.0);
            }

            if (cache == null)
            {
                cache = new Dictionary <BDDNode, double> ();
            }
            else if (cache.TryGetValue(node, out double cached))
            {
                return(cached);
            }

            if (_rmapping[node.Index] is Obstacle obstacle)
            {
                //Console.WriteLine("Probability for " + obstacle.Identifier);
                //Console.WriteLine("Obstacle resolved: " + obstacle.Resolved);
                var v = samplingVector.ContainsKey(obstacle.Identifier) & !obstacle.Resolved ?
                        samplingVector.Sample(obstacle) : 0;
                //Console.WriteLine(v);

                double value = GetProbability(node.Low, samplingVector, cache) * (1 - v)
                               + GetProbability(node.High, samplingVector, cache) * v;
                cache[node] = value;
                return(value);
            }
            else if (_rmapping[node.Index] is DomainProperty domProp)
            {
                var v = samplingVector.ContainsKey(domProp.Identifier) ?
                        samplingVector.Sample(domProp) : 0;

                double value = GetProbability(node.Low, samplingVector, cache) * (1 - v)
                               + GetProbability(node.High, samplingVector, cache) * v;
                cache[node] = value;
                return(value);
            }
            else if (_rmapping[node.Index] is DomainHypothesis domHyp)
            {
                var v = samplingVector.ContainsKey(domHyp.Identifier) ?
                        samplingVector.Sample(domHyp) : 0;

                double value = GetProbability(node.Low, samplingVector, cache) * (1 - v)
                               + GetProbability(node.High, samplingVector, cache) * v;
                cache[node] = value;
                return(value);
            }
            else
            {
                throw new NotImplementedException("Type " + _rmapping[node.Index].GetType() + " is not yet supported.");
            }
        }
Example #4
0
        public virtual ISatisfactionRate GetESR(Goal goal)
        {
            ObstructionCaseSuperset os;

            if (!obstructionSupersets.ContainsKey(goal.Identifier))
            {
                os = new ObstructionCaseSuperset(goal);
            }
            else
            {
                os = obstructionSupersets[goal.Identifier];
            }
            var vector = new SamplingVector(_model);

            return(new DoubleSatisfactionRate(1.0 - os.GetProbability(vector)));
        }
Example #5
0
        public virtual ISatisfactionRate GetESR(Goal goal, IEnumerable <GoalException> activeResolutions)
        {
            ObstructionResolutionSuperset os;

            if (!obstructionSupersets.ContainsKey(goal.Identifier))
            {
                os = new ObstructionResolutionSuperset(goal);
            }
            else
            {
                os = obstructionSupersets[goal.Identifier];
            }
            var vector = new SamplingVector(_model);

            return(new DoubleSatisfactionRate(1.0 - os.GetProbability(vector, activeResolutions)));
        }
        public ISatisfactionRate GetESR(Goal goal, IEnumerable <Obstacle> onlyObstacles)
        {
            ObstructionSuperset os;

            if (!obstructionSupersets.ContainsKey(goal.Identifier))
            {
                os = new ObstructionSuperset(goal);
            }
            else
            {
                os = obstructionSupersets[goal.Identifier];
            }

            var vector = new SamplingVector(_model, onlyObstacles?.Select(x => x.Identifier)?.ToHashSet());
            var value  = 1.0 - os.GetProbability(vector);

            return(new DoubleSatisfactionRate(value));
        }
        public virtual ISatisfactionRate GetESR(Goal goal)
        {
            ObstructionSuperset os;

            if (!obstructionSupersets.ContainsKey(goal.Identifier))
            {
                //Console.WriteLine("Computing new OS for " + goal.Identifier);
                os = new ObstructionSuperset(goal);
                //Console.WriteLine("---");
                //Console.WriteLine(os.ToDot());
                //Console.WriteLine("---");
            }
            else
            {
                os = obstructionSupersets[goal.Identifier];
            }
            var vector = new SamplingVector(_model);

            double v = os.GetProbability(vector);

            //Console.WriteLine("Obstruction set probability: "  + v);
            return(new DoubleSatisfactionRate(1.0 - v));
        }
 public virtual double GetProbability(SamplingVector samplingVector, IEnumerable <GoalException> activeExceptions)
 {
     return(GetProbability(_root, samplingVector, activeExceptions));
 }
 public virtual double GetProbability(SamplingVector samplingVector)
 {
     return(GetProbability(_root, samplingVector));
 }