[17984] | 1 | using System.Collections.Generic;
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| 2 |
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| 3 | namespace HeuristicLab.Algorithms.DataAnalysis.ContinuedFractionRegression {
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| 4 | public class Agent {
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| 5 | public ContinuedFraction pocket;
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| 6 | public double pocketObjValue;
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| 7 | public ContinuedFraction current;
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| 8 | public double currentObjValue;
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| 9 |
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| 10 | public IList<Agent> children = new List<Agent>();
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| 11 |
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| 12 | public IEnumerable<Agent> IterateLevels() {
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| 13 | var agents = new List<Agent>() { this };
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| 14 | int i = 0;
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| 15 | while (i < agents.Count) {
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| 16 | var p = agents[i];
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| 17 | foreach (var child in p.children)
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| 18 | agents.Add(child);
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| 19 | i++;
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| 20 | }
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| 21 | return agents;
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| 22 | }
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| 23 | public IEnumerable<Agent> IteratePostOrder() {
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| 24 | var agents = new List<Agent>();
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| 25 | IteratePostOrderRec(this, agents);
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| 26 | return agents;
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| 27 | }
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| 28 | public IEnumerable<Agent> IteratePreOrder() {
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| 29 | var agents = new List<Agent>();
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| 30 | IteratePreOrderRec(this, agents);
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| 31 | return agents;
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| 32 | }
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| 33 | internal void MaintainInvariant() {
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| 34 | foreach (var child in children) {
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| 35 | MaintainInvariant(parent: this, child);
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| 36 | }
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| 37 | if (currentObjValue < pocketObjValue) {
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| 38 | Swap(ref pocket, ref current);
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| 39 | Swap(ref pocketObjValue, ref currentObjValue);
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| 40 | }
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| 41 | }
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| 42 |
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| 43 |
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| 44 | private static void MaintainInvariant(Agent parent, Agent child) {
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| 45 | if (child.pocketObjValue < parent.pocketObjValue) {
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| 46 | Swap(ref child.pocket, ref parent.pocket);
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| 47 | Swap(ref child.pocketObjValue, ref parent.pocketObjValue);
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| 48 | }
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| 49 | }
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| 50 |
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| 51 | private void IteratePostOrderRec(Agent agent, List<Agent> agents) {
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| 52 | foreach (var child in agent.children) {
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| 53 | IteratePostOrderRec(child, agents);
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| 54 | }
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| 55 | agents.Add(agent);
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| 56 | }
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| 57 |
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| 58 | private void IteratePreOrderRec(Agent agent, List<Agent> agents) {
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| 59 | agents.Add(agent);
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| 60 | foreach (var child in agent.children) {
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| 61 | IteratePreOrderRec(child, agents);
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| 62 | }
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| 63 | }
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| 64 |
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| 65 |
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| 66 | private static void Swap<T>(ref T a, ref T b) {
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| 67 | var temp = a;
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| 68 | a = b;
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| 69 | b = temp;
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| 70 | }
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| 71 | }
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| 72 | }
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