Ejemplo n.º 1
0
 /// <summary>
 /// Apply the option to the candidate and store the agent's evaluation.
 /// </summary>
 public void ApplyOption(option opt, candidate cand, bool doMinimize)
 {
     cand.graph.globalVariables.Add(cand.f0); // track fitness values of previous states
     opt.apply(cand.graph, null);
     cand.addToRecipe(opt);
     if (doMinimize)
     {
         cand.graph = Minimize(cand.graph);
     }
     cand.graph = OBFunctions.tagconvexhullpoints(cand.graph);
 }
Ejemplo n.º 2
0
        /// <summary>
        /// Apply the option to the candidate and store the agent's evaluation.
        /// </summary>
        public void ApplyOption(option opt, candidate cand, bool doMinimize, bool doEvaluate = false)
        {
            cand.graph.globalVariables.Add(cand.f0); // track fitness values of previous states

            // Minimize and evaluate
            opt.apply(cand.graph, null);
            cand.addToRecipe(opt);
            if (doMinimize)
            {
                cand.graph = Minimize(cand.graph);
            }
            if (doEvaluate)
            {
                cand.f0 = Evaluate(cand);
            }
            // MC Is this like line 64? by the way, tracking fitness here is better than in cand.graph
        }
Ejemplo n.º 3
0
        protected override void Run()
        {
            Stack <candidate> candidates = new Stack <candidate>();
            candidate         current    = null;
            Boolean           found      = false;

            candidates.Push(seedCandidate);

            while (!found && (candidates.Count != 0) && !SearchIO.terminateRequest)
            {
                current             = candidates.Pop();
                SearchIO.iteration  = current.recipe.Count;
                SearchIO.miscObject = candidates.Count;

                if (isCurrentTheGoal(current))
                {
                    found = true;
                }
                else
                {
                    int           rsIndex     = current.activeRuleSetIndex;
                    List <option> ruleChoices = rulesets[rsIndex].recognize(current.graph);

                    foreach (option opt in ruleChoices)
                    {
                        candidate child = current.copy();
                        transferLmappingToChild(child.graph, current.graph, opt.location);
                        opt.apply(child.graph, null);
                        child.addToRecipe(opt);
                        candidates.Push(child);
                    }
                }
            }
            SearchIO.addAndShowGraphWindow(current.graph, "cand1");
            Save(settings.outputDirectory + "\\DFScandidate.xml", current);
        }
Ejemplo n.º 4
0
        /// <summary>
        ///   Recognizes the choose apply cycle. Here is the main Recognize, Choose, and
        ///   Apply Generation Cycle. It accepts the host candidate (not graph), the index
        ///   of what ruleSet to invoke, and an array of size equal to the number of ruleSets.
        ///   At the end of the process, it returns the updated candidate. The three step
        ///   process may, however exit at any of five places in the loop, these are described below.
        ///   1. the ruleSet invoked may not have any calls left. This will cause the GenerationStatus
        ///   to be CycleLimit, and the process will execute what is stored in the 3rd position of
        ///   generationSteps, ruleSet->nextGenerationStep[2], either Stop, Loop, GoToPrevious(ruleSet),
        ///   GoToNext(ruleSet), or GoToRuleSet#
        ///   2. the choice operation has sent a STOP message, or more precisely a negative # or
        ///   a number greater than the list of option. This results in a GenerationStatus of Choice
        ///   and the execution of ruleSet->nextGenerationStep[1] (any of the options stated above).
        ///   3. there are no rules recognized for the graph. This results in a GenerationStatus of
        ///   NoRules and the execution of ruleSet->nextGenerationStep[3] (any of the options above).
        ///   4. A trigger rule has been applied. This results in a GenerationStatus of TriggerRule
        ///   and the execution of ruleSet->nextGenerationStep[4] (any of the options stated above).
        ///   5. the recognize, choose, and apply cycle performed as intended - no abnormal activites.
        ///   This results in a GenerationStatus of Normal and the execution of
        ///   ruleSet->nextGenerationStep[0] (any of the options stated above).*/
        /// </summary>
        /// <param name = "host">The host.</param>
        /// <param name = "ruleSetIndex">Index of the rule set.</param>
        /// <param name = "numOfCallsLeft">The num of calls left.</param>
        protected void RecognizeChooseApplyCycle(candidate host, int ruleSetIndex, int[] numOfCallsLeft)
        {
            while ((ruleSetIndex >= 0) && (ruleSetIndex < NumOfRuleSets))
            {
                host.activeRuleSetIndex = ruleSetIndex;
                SearchIO.output("Active Rule Set = " + ruleSetIndex, 4);

                #region terminate immediately if there are no cycles left

                if (numOfCallsLeft[ruleSetIndex] == 0)
                {
                    /* it is possible that another ruleset intends to invoke this one, but your
                     * number of calls for this set has hit its limit. */
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.CycleLimit;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.CycleLimit);
                    SearchIO.output("cycle limit reached", 4);
                    continue;
                }

                #endregion

                #region ***** RECOGNIZE *****


                SearchIO.output("begin RCA loop for RuleSet #" + ruleSetIndex, 4);
                var options = Rulesets[ruleSetIndex].recognize(host.graph, InParallel);

                SearchIO.output("There are " + options.Count + " rule choices.", 4);
                if (options.Count == 0)
                {
                    /* There are no rules to recognize, exit here. */
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.NoRules;
                    var newRSIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.NoRules);
                    if (newRSIndex == ruleSetIndex)
                    {
                        throw new Exception("Same ruleset chosen when no rules are recognized.");
                    }
                    ruleSetIndex = newRSIndex;
                    continue;
                }
                if (SearchIO.GetTerminateRequest(Thread.CurrentThread.ManagedThreadId))
                {
                    return;
                }

                #endregion

                #region ***** CHOOSE *****

                if (Rulesets[ruleSetIndex].choiceMethod == choiceMethods.Automatic)
                {
                    choice = new[] { 0 }
                }
                ;
                else
                {
                    choice = choose(options, host);
                }
                if (choice[0] == -1)
                {
                    host.undoLastRule();
                    if (Display)
                    {
                        SearchIO.addAndShowGraphWindow(host.graph.copy(),
                                                       "Revert to after calling " + host.numRulesCalled + " rules");
                    }
                    continue;
                }
                if ((choice == null) || (choice[0] < 0) || (choice[0] >= options.Count))
                {
                    SearchIO.output("Choice = #" + IntCollectionConverter.Convert(choice), 4);

                    /* the overloaded choice function may want to communicate to the loop that it
                     * should finish the process. */
                    SearchIO.output("Choice received a STOP request", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.Choice;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.Choice);
                    continue;
                }
                if (SearchIO.GetTerminateRequest(Thread.CurrentThread.ManagedThreadId))
                {
                    return;
                }

                #endregion

                #region ***** APPLY *****
                host.saveCurrent();
                foreach (var c in choice)
                {
                    options[c].apply(host.graph, choose(options[c], host));
                    host.addToRecipe(options[c]);
                    SearchIO.output("Rule sucessfully applied", 4);
                }
                if (Display && Rulesets[ruleSetIndex].choiceMethod == choiceMethods.Design)
                {
                    SearchIO.addAndShowGraphWindow(host.graph.copy(),
                                                   "After calling " + host.numRulesCalled + " rules");
                }
                if (SearchIO.GetTerminateRequest(Thread.CurrentThread.ManagedThreadId))
                {
                    return;
                }

                #endregion

                #region Check to see if loop is done

                /* First thing we do is reduce the number of calls left. Note that if you start with
                 * a negative number, the process will continue to make it more negative - mimicking
                 * no cycle limit. It is safer to use the globalvar, maxRulesToApply though.*/
                if (this is LindenmayerChooseRCA)
                {
                    numOfCallsLeft[ruleSetIndex]--;
                }
                else
                {
                    numOfCallsLeft[ruleSetIndex] = numOfCallsLeft[ruleSetIndex] - choice.GetLength(0);
                }

                if (choice.Any(c => (options[c].ruleNumber == Rulesets[ruleSetIndex].TriggerRuleNum)))
                {
                    /* your ruleset loops until a trigger rule and the trigger rule was just called. */
                    SearchIO.output("The trigger rule has been chosen.", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.TriggerRule;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.TriggerRule);
                }
                else
                {
                    /* Normal operation */
                    SearchIO.output("RCA loop executed normally.", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.Normal;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.Normal);
                }

                #endregion
            }
        }
Ejemplo n.º 5
0
        /* Here is the main Recognize, Choose, and Apply Generation Cycle. It accepts the host candidate
         * (not graph), the index of what ruleSet to invoke, and an array of size equal to the number
         * of ruleSets. At the end of the process, it returns the updated candidate. The three step
         * process may, however exit at any of five places in the loop, these are described below.
         * 1. the ruleSet invoked may not have any calls left. This will cause the GenerationStatus
         *    to be CycleLimit, and the process will execute what is stored in the 3rd position of
         *    generationSteps, ruleSet->nextGenerationStep[2], either Stop, Loop, GoToPrevious(ruleSet),
         *    GoToNext(ruleSet), or GoToRuleSet#
         * 2. the choice operation has sent a STOP message, or more precisely a negative # or
         *    a number greater than the list of option. This results in a GenerationStatus of Choice
         *    and the execution of ruleSet->nextGenerationStep[1] (any of the options stated above).
         * 3. there are no rules recognized for the graph. This results in a GenerationStatus of
         *    NoRules and the execution of ruleSet->nextGenerationStep[3] (any of the options above).
         * 4. A trigger rule has been applied. This results in a GenerationStatus of TriggerRule
         *    and the execution of ruleSet->nextGenerationStep[4] (any of the options stated above).
         * 5. the recognize, choose, and apply cycle performed as intended - no abnormal activites.
         *    This results in a GenerationStatus of Normal and the execution of
         *    ruleSet->nextGenerationStep[0] (any of the options stated above).*/
        public void RecognizeChooseApplyCycle(candidate host, int ruleSetIndex, int[] numOfCallsLeft)
        {
            while ((ruleSetIndex >= 0) && (ruleSetIndex < numOfRuleSets))
            {
                host.activeRuleSetIndex = ruleSetIndex;
                SearchIO.output("Active Rule Set = " + ruleSetIndex.ToString(), 4);
                #region terminate immediately if there are no cycles left
                if (numOfCallsLeft[ruleSetIndex] == 0)
                {
                    /* it is possible that another ruleset intends to invoke this one, but your
                     * number of calls for this set has hit its limit. */
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.CycleLimit;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.CycleLimit);
                    SearchIO.output("cycle limit reached", 4);
                    continue;
                }
                #endregion

                #region ***** RECOGNIZE *****
                SearchIO.output("begin RCA loop for RuleSet #" + ruleSetIndex.ToString(), 4);
                List <option> options = rulesets[ruleSetIndex].recognize(host.graph);

                SearchIO.output("There are " + options.Count.ToString() + " rule choices.", 4);
                if (options.Count == 0)
                {
                    /* There are no rules to recognize, exit here. */
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.NoRules;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.NoRules);
                    continue;
                }
                if (SearchIO.terminateRequest)
                {
                    return;
                }
                #endregion

                #region ***** CHOOSE *****
                if (rulesets[ruleSetIndex].choiceMethod == choiceMethods.Automatic)
                {
                    choice = 0;
                }
                else
                {
                    choice = choose(options, host);
                }
                SearchIO.output("Choice = #" + choice.ToString(), 4);
                if (choice == -1)
                {
                    host.undoLastRule();
                    if (display)
                    {
                        SearchIO.addAndShowGraphDisplay(host.graph.copy(),
                                                        "Revert to after calling " + host.numRulesCalled + " rules");
                    }
                    continue;
                }
                if ((choice < 0) || (choice >= options.Count))
                {
                    /* the overloaded choice function may want to communicate to the loop that it
                     * should finish the process. */
                    SearchIO.output("Choice received a STOP request", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.Choice;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.Choice);
                    continue;
                }
                if (SearchIO.terminateRequest)
                {
                    return;
                }
                #endregion

                #region ***** APPLY *****
                host.saveCurrent();
                options[choice].apply(host.graph, choose(options[choice], host));
                host.addToRecipe(options[choice]);
                SearchIO.output("Rule sucessfully applied", 4);

                /* display state? */
                if (display)
                {
                    SearchIO.addAndShowGraphDisplay(host.graph.copy(),
                                                    "After calling " + host.numRulesCalled + " rules");
                }
                if (SearchIO.terminateRequest)
                {
                    return;
                }
                #endregion

                #region Check to see if loop is done

                /* First thing we do is reduce the number of calls left. Note that if you start with
                 * a negative number, the process will continue to make it more negative - mimicking
                 * no cycle limit. It is safer to use the globalvar, maxRulesToApply though.*/
                numOfCallsLeft[ruleSetIndex]--;

                /* a significant change is made here in Version 1.1.2.0, it is actually the removal of
                 * code. We were checking the numOfCallsLeft here as well as the top, but it has been decided
                 * that it is ambiguous to check in both locations. Later, it may be determined that two
                 * independent cycle limits need to be imposed, but in the mean time, the following code will be
                 * commented out.
                 * if (numOfCallsLeft[ruleSetIndex] == 0)
                 * {  /* there of no more calls on this ruleset allowed, the limit has been reached.
                 * SearchIO.output("The maximum num of calls has been reached", 4);
                 * host.GenerationStatus[ruleSetIndex] = GenerationStatuses.CycleLimit;
                 * ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.CycleLimit);
                 * }
                 * else  */
                if (options[choice].ruleNumber == rulesets[ruleSetIndex].triggerRuleNum)
                {   /* your ruleset loops until a trigger rule and the trigger rule was just called. */
                    SearchIO.output("The trigger rule has been chosen.", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.TriggerRule;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.TriggerRule);
                }
                else
                {  /* Normal operation */
                    SearchIO.output("RCA loop executed normally.", 4);
                    host.GenerationStatus[ruleSetIndex] = GenerationStatuses.Normal;
                    ruleSetIndex = nextRuleSet(ruleSetIndex, GenerationStatuses.Normal);
                }
                #endregion
            }
        }
Ejemplo n.º 6
0
        public static void runSearchProcess()
        {
            userDefinedGoals udg      = new userDefinedGoals();
            Form2            inputBox = new Form2(udg);

            //inputBox.ShowDialog();

            ruleSet.loadAndCompileSourceFiles(rulesets, Program.settings.recompileRules, Program.settings.compiledparamRules, Program.settings.execDir);

            List <candidate> candidates    = new List <candidate>();
            candidate        current       = null;
            candidate        seedCandidate = new candidate(seed, Program.settings.numOfRuleSets);
            Boolean          found         = false;

            candidates.Add(seedCandidate);
            GearEvaluator ge = new GearEvaluator(udg);

            Guidance.PNormProportionalPopulationSelection GuidanceApproach
                = new Guidance.PNormProportionalPopulationSelection(0, Guidance.optimize.minimize, true, true, 1);
            int maxPop = 10000;

            while (!found && (candidates.Count != 0))
            {
                current = candidates[0];
                candidates.RemoveAt(0);
                SearchIO.iteration = current.recipe.Count;
                //RECOGNIZE
                List <option> ruleChoices = rulesets[0].recognize(current.graph);
                SearchIO.miscObject = candidates.Count;
                //
                if (current.recipe.Count >= 2)
                {
                    found = isCurrentTheGoal(current, udg);
                    if (found == true)
                    {
                        ge.evalGT(current);
                        break;
                    }
                }
                //else current.f0 = double.PositiveInfinity;

                for (int i = 0; i != ruleChoices.Count; i++)
                {
                    candidate child = current.copy();

                    ruleChoices = rulesets[0].recognize(child.graph);
                    ruleChoices[i].apply(child.graph, null);

                    child.addToRecipe(ruleChoices[i]);
                    child.f0 = double.NaN;
                    child.f1 = double.NaN;
                    child.f2 = double.NaN;
                    ge.evalGT(child);
                    child.f3 = (child.f0) / 100 + child.f1;
                    //1 efficiency
                    //2 mass
                    //3 combination
                    addChildToSortedCandList(candidates, child, 3);
                    //candidates.Add(child);
                }
            }
            Program.addAndShowGraphDisplay(current.graph, "Here is your gear train!!!");
            candidate.saveToXml(current, "testTuned", settings.outputDirectory);
        }