| 1 | #region License Information
|
|---|
| 2 | /* HeuristicLab
|
|---|
| 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
|---|
| 4 | *
|
|---|
| 5 | * This file is part of HeuristicLab.
|
|---|
| 6 | *
|
|---|
| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
|---|
| 8 | * it under the terms of the GNU General Public License as published by
|
|---|
| 9 | * the Free Software Foundation, either version 3 of the License, or
|
|---|
| 10 | * (at your option) any later version.
|
|---|
| 11 | *
|
|---|
| 12 | * HeuristicLab is distributed in the hope that it will be useful,
|
|---|
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 15 | * GNU General Public License for more details.
|
|---|
| 16 | *
|
|---|
| 17 | * You should have received a copy of the GNU General Public License
|
|---|
| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 19 | */
|
|---|
| 20 | #endregion
|
|---|
| 21 |
|
|---|
| 22 | using System;
|
|---|
| 23 | using System.Collections.Generic;
|
|---|
| 24 | using System.Globalization;
|
|---|
| 25 | using System.Text;
|
|---|
| 26 | using HeuristicLab.Common;
|
|---|
| 27 | using HeuristicLab.Core;
|
|---|
| 28 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
|
|---|
| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
|---|
| 30 |
|
|---|
| 31 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
|
|---|
| 32 | [Item("Excel String Formatter", "String formatter for string representations of symbolic data analysis expressions in Excel syntax.")]
|
|---|
| 33 | [StorableClass]
|
|---|
| 34 | public sealed class SymbolicDataAnalysisExpressionExcelFormatter : NamedItem, ISymbolicExpressionTreeStringFormatter {
|
|---|
| 35 | //private int currentLag;
|
|---|
| 36 |
|
|---|
| 37 | [StorableConstructor]
|
|---|
| 38 | private SymbolicDataAnalysisExpressionExcelFormatter(bool deserializing) : base(deserializing) { }
|
|---|
| 39 | private SymbolicDataAnalysisExpressionExcelFormatter(SymbolicDataAnalysisExpressionExcelFormatter original, Cloner cloner) : base(original, cloner) { }
|
|---|
| 40 | public SymbolicDataAnalysisExpressionExcelFormatter()
|
|---|
| 41 | : base() {
|
|---|
| 42 | Name = ItemName;
|
|---|
| 43 | Description = ItemDescription;
|
|---|
| 44 | }
|
|---|
| 45 | public override IDeepCloneable Clone(Cloner cloner) {
|
|---|
| 46 | return new SymbolicDataAnalysisExpressionExcelFormatter(this, cloner);
|
|---|
| 47 | }
|
|---|
| 48 | private string GetExcelColumnName(int columnNumber) {
|
|---|
| 49 | int dividend = columnNumber;
|
|---|
| 50 | string columnName = String.Empty;
|
|---|
| 51 |
|
|---|
| 52 | while (dividend > 0) {
|
|---|
| 53 | int modulo = (dividend - 1) % 26;
|
|---|
| 54 | columnName = Convert.ToChar(65 + modulo).ToString() + columnName;
|
|---|
| 55 | dividend = (int)((dividend - modulo) / 26);
|
|---|
| 56 | }
|
|---|
| 57 |
|
|---|
| 58 | return columnName;
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 | private readonly Dictionary<string, string> variableNameMapping = new Dictionary<string, string>();
|
|---|
| 62 | private int currentVariableIndex = 0;
|
|---|
| 63 | private string GetColumnToVariableName(string variabelName) {
|
|---|
| 64 | if (!variableNameMapping.ContainsKey(variabelName)) {
|
|---|
| 65 | currentVariableIndex++;
|
|---|
| 66 | variableNameMapping.Add(variabelName, GetExcelColumnName(currentVariableIndex));
|
|---|
| 67 | }
|
|---|
| 68 | return string.Format("${0}1", variableNameMapping[variabelName]);
|
|---|
| 69 | }
|
|---|
| 70 | //public string CurrentIndexVariable {
|
|---|
| 71 | // get {
|
|---|
| 72 | // return "i" + currentIndexNumber;
|
|---|
| 73 | // }
|
|---|
| 74 | //}
|
|---|
| 75 | //private void ReleaseIndexVariable() {
|
|---|
| 76 | // currentIndexNumber--;
|
|---|
| 77 | //}
|
|---|
| 78 |
|
|---|
| 79 | //private string AllocateIndexVariable() {
|
|---|
| 80 | // currentIndexNumber++;
|
|---|
| 81 | // return CurrentIndexVariable;
|
|---|
| 82 | //}
|
|---|
| 83 |
|
|---|
| 84 | public string Format(ISymbolicExpressionTree symbolicExpressionTree) {
|
|---|
| 85 | var stringBuilder = new StringBuilder();
|
|---|
| 86 | stringBuilder.Append("=");
|
|---|
| 87 | stringBuilder.Append(FormatRecursively(symbolicExpressionTree.Root));
|
|---|
| 88 | foreach (var variable in variableNameMapping) {
|
|---|
| 89 | stringBuilder.AppendLine();
|
|---|
| 90 | stringBuilder.Append(variable.Key + " = " + variable.Value);
|
|---|
| 91 | }
|
|---|
| 92 | return stringBuilder.ToString();
|
|---|
| 93 | }
|
|---|
| 94 |
|
|---|
| 95 | private string FormatRecursively(ISymbolicExpressionTreeNode node) {
|
|---|
| 96 | ISymbol symbol = node.Symbol;
|
|---|
| 97 | StringBuilder stringBuilder = new StringBuilder();
|
|---|
| 98 |
|
|---|
| 99 | if (symbol is ProgramRootSymbol) {
|
|---|
| 100 | stringBuilder.AppendLine(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 101 | } else if (symbol is StartSymbol)
|
|---|
| 102 | return FormatRecursively(node.GetSubtree(0));
|
|---|
| 103 | else if (symbol is Addition) {
|
|---|
| 104 | stringBuilder.Append("(");
|
|---|
| 105 | for (int i = 0; i < node.SubtreeCount; i++) {
|
|---|
| 106 | if (i > 0) stringBuilder.Append("+");
|
|---|
| 107 | stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 108 | }
|
|---|
| 109 | stringBuilder.Append(")");
|
|---|
| 110 | //} else if (symbol is And) {
|
|---|
| 111 | // stringBuilder.Append("((");
|
|---|
| 112 | // for (int i = 0; i < node.SubtreeCount; i++) {
|
|---|
| 113 | // if (i > 0) stringBuilder.Append("&");
|
|---|
| 114 | // stringBuilder.Append("((");
|
|---|
| 115 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 116 | // stringBuilder.Append(")>0)");
|
|---|
| 117 | // }
|
|---|
| 118 | // stringBuilder.Append(")-0.5)*2");
|
|---|
| 119 | // // MATLAB maps false and true to 0 and 1, resp., we map this result to -1.0 and +1.0, resp.
|
|---|
| 120 | } else if (symbol is Average) {
|
|---|
| 121 | stringBuilder.Append("(1/");
|
|---|
| 122 | stringBuilder.Append(node.SubtreeCount);
|
|---|
| 123 | stringBuilder.Append(")*(");
|
|---|
| 124 | for (int i = 0; i < node.SubtreeCount; i++) {
|
|---|
| 125 | if (i > 0) stringBuilder.Append("+");
|
|---|
| 126 | stringBuilder.Append("(");
|
|---|
| 127 | stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 128 | stringBuilder.Append(")");
|
|---|
| 129 | }
|
|---|
| 130 | stringBuilder.Append(")");
|
|---|
| 131 | } else if (symbol is Constant) {
|
|---|
| 132 | ConstantTreeNode constantTreeNode = node as ConstantTreeNode;
|
|---|
| 133 | stringBuilder.Append(constantTreeNode.Value.ToString(CultureInfo.InvariantCulture));
|
|---|
| 134 | } else if (symbol is Cosine) {
|
|---|
| 135 | stringBuilder.Append("COS(");
|
|---|
| 136 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 137 | stringBuilder.Append(")");
|
|---|
| 138 | } else if (symbol is Division) {
|
|---|
| 139 | if (node.SubtreeCount == 1) {
|
|---|
| 140 | stringBuilder.Append("1/");
|
|---|
| 141 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 142 | } else {
|
|---|
| 143 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 144 | stringBuilder.Append("/(");
|
|---|
| 145 | for (int i = 1; i < node.SubtreeCount; i++) {
|
|---|
| 146 | if (i > 1) stringBuilder.Append("*");
|
|---|
| 147 | stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 148 | }
|
|---|
| 149 | stringBuilder.Append(")");
|
|---|
| 150 | }
|
|---|
| 151 | } else if (symbol is Exponential) {
|
|---|
| 152 | stringBuilder.Append("EXP(");
|
|---|
| 153 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 154 | stringBuilder.Append(")");
|
|---|
| 155 | } else if (symbol is Square) {
|
|---|
| 156 | stringBuilder.Append("POWER(");
|
|---|
| 157 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 158 | stringBuilder.Append(",2)");
|
|---|
| 159 | } else if (symbol is SquareRoot) {
|
|---|
| 160 | stringBuilder.Append("SQRT(");
|
|---|
| 161 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 162 | stringBuilder.Append(")");
|
|---|
| 163 | //} else if (symbol is GreaterThan) {
|
|---|
| 164 | // stringBuilder.Append("((");
|
|---|
| 165 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 166 | // stringBuilder.Append(">");
|
|---|
| 167 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(1)));
|
|---|
| 168 | // stringBuilder.Append(")-0.5)*2");
|
|---|
| 169 | // // MATLAB maps false and true to 0 and 1, resp., we map this result to -1.0 and +1.0, resp.
|
|---|
| 170 | //} else if (symbol is IfThenElse) {
|
|---|
| 171 | // stringBuilder.Append("(");
|
|---|
| 172 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 173 | // stringBuilder.Append(">0)*");
|
|---|
| 174 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(1)));
|
|---|
| 175 | // stringBuilder.Append("+");
|
|---|
| 176 | // stringBuilder.Append("(");
|
|---|
| 177 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 178 | // stringBuilder.Append("<=0)*");
|
|---|
| 179 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(2)));
|
|---|
| 180 | //} else if (symbol is LaggedVariable) {
|
|---|
| 181 | // // this if must be checked before if(symbol is LaggedVariable)
|
|---|
| 182 | // LaggedVariableTreeNode laggedVariableTreeNode = node as LaggedVariableTreeNode;
|
|---|
| 183 | // stringBuilder.Append(laggedVariableTreeNode.Weight.ToString(CultureInfo.InvariantCulture));
|
|---|
| 184 | // stringBuilder.Append("*");
|
|---|
| 185 | // stringBuilder.Append(laggedVariableTreeNode.VariableName +
|
|---|
| 186 | // LagToString(currentLag + laggedVariableTreeNode.Lag));
|
|---|
| 187 | //} else if (symbol is LessThan) {
|
|---|
| 188 | // stringBuilder.Append("((");
|
|---|
| 189 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 190 | // stringBuilder.Append("<");
|
|---|
| 191 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(1)));
|
|---|
| 192 | // stringBuilder.Append(")-0.5)*2");
|
|---|
| 193 | // // MATLAB maps false and true to 0 and 1, resp., we map this result to -1.0 and +1.0, resp.
|
|---|
| 194 | } else if (symbol is Logarithm) {
|
|---|
| 195 | stringBuilder.Append("LOG(");
|
|---|
| 196 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 197 | stringBuilder.Append(", EXP(1))"); // Excel does not use the natural logarithm, therefor the base has to be set
|
|---|
| 198 | } else if (symbol is Multiplication) {
|
|---|
| 199 | for (int i = 0; i < node.SubtreeCount; i++) {
|
|---|
| 200 | if (i > 0) stringBuilder.Append("*");
|
|---|
| 201 | stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 202 | }
|
|---|
| 203 | //} else if (symbol is Not) {
|
|---|
| 204 | // stringBuilder.Append("NOT(");
|
|---|
| 205 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 206 | // stringBuilder.Append(" > 0 )");
|
|---|
| 207 | //} else if (symbol is Or) {
|
|---|
| 208 | // stringBuilder.Append("((");
|
|---|
| 209 | // for (int i = 0; i < node.SubtreeCount; i++) {
|
|---|
| 210 | // if (i > 0) stringBuilder.Append("|");
|
|---|
| 211 | // stringBuilder.Append("((");
|
|---|
| 212 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 213 | // stringBuilder.Append(")>0)");
|
|---|
| 214 | // }
|
|---|
| 215 | // stringBuilder.Append(")-0.5)*2");
|
|---|
| 216 | // // MATLAB maps false and true to 0 and 1, resp., we map this result to -1.0 and +1.0, resp.
|
|---|
| 217 | } else if (symbol is Sine) {
|
|---|
| 218 | stringBuilder.Append("SIN(");
|
|---|
| 219 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 220 | stringBuilder.Append(")");
|
|---|
| 221 | } else if (symbol is Subtraction) {
|
|---|
| 222 | stringBuilder.Append("(");
|
|---|
| 223 | if (node.SubtreeCount == 1) {
|
|---|
| 224 | stringBuilder.Append("-");
|
|---|
| 225 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 226 | } else {
|
|---|
| 227 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 228 | for (int i = 1; i < node.SubtreeCount; i++) {
|
|---|
| 229 | stringBuilder.Append("-");
|
|---|
| 230 | stringBuilder.Append(FormatRecursively(node.GetSubtree(i)));
|
|---|
| 231 | }
|
|---|
| 232 | }
|
|---|
| 233 | stringBuilder.Append(")");
|
|---|
| 234 | } else if (symbol is Tangent) {
|
|---|
| 235 | stringBuilder.Append("TAN(");
|
|---|
| 236 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 237 | stringBuilder.Append(")");
|
|---|
| 238 | //} else if (node.Symbol is AiryA) {
|
|---|
| 239 | // stringBuilder.Append("airy(");
|
|---|
| 240 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 241 | // stringBuilder.Append(")");
|
|---|
| 242 | //} else if (node.Symbol is AiryB) {
|
|---|
| 243 | // stringBuilder.Append("airy(2, ");
|
|---|
| 244 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 245 | // stringBuilder.Append(")");
|
|---|
| 246 | //} else if (node.Symbol is Bessel) {
|
|---|
| 247 | // stringBuilder.Append("besseli(0.0,");
|
|---|
| 248 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 249 | // stringBuilder.Append(")");
|
|---|
| 250 | //} else if (node.Symbol is CosineIntegral) {
|
|---|
| 251 | // stringBuilder.Append("cosint(");
|
|---|
| 252 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 253 | // stringBuilder.Append(")");
|
|---|
| 254 | //} else if (node.Symbol is Dawson) {
|
|---|
| 255 | // stringBuilder.Append("dawson(");
|
|---|
| 256 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 257 | // stringBuilder.Append(")");
|
|---|
| 258 | //} else if (node.Symbol is Erf) {
|
|---|
| 259 | // stringBuilder.Append("erf(");
|
|---|
| 260 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 261 | // stringBuilder.Append(")");
|
|---|
| 262 | //} else if (node.Symbol is ExponentialIntegralEi) {
|
|---|
| 263 | // stringBuilder.Append("expint(");
|
|---|
| 264 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 265 | // stringBuilder.Append(")");
|
|---|
| 266 | //} else if (node.Symbol is FresnelCosineIntegral) {
|
|---|
| 267 | // stringBuilder.Append("FresnelC(");
|
|---|
| 268 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 269 | // stringBuilder.Append(")");
|
|---|
| 270 | //} else if (node.Symbol is FresnelSineIntegral) {
|
|---|
| 271 | // stringBuilder.Append("FresnelS(");
|
|---|
| 272 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 273 | // stringBuilder.Append(")");
|
|---|
| 274 | //} else if (node.Symbol is Gamma) {
|
|---|
| 275 | // stringBuilder.Append("gamma(");
|
|---|
| 276 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 277 | // stringBuilder.Append(")");
|
|---|
| 278 | //} else if (node.Symbol is HyperbolicCosineIntegral) {
|
|---|
| 279 | // stringBuilder.Append("Chi(");
|
|---|
| 280 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 281 | // stringBuilder.Append(")");
|
|---|
| 282 | //} else if (node.Symbol is HyperbolicSineIntegral) {
|
|---|
| 283 | // stringBuilder.Append("Shi(");
|
|---|
| 284 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 285 | // stringBuilder.Append(")");
|
|---|
| 286 | //} else if (node.Symbol is Norm) {
|
|---|
| 287 | // stringBuilder.Append("normpdf(");
|
|---|
| 288 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 289 | // stringBuilder.Append(")");
|
|---|
| 290 | //} else if (node.Symbol is Psi) {
|
|---|
| 291 | // stringBuilder.Append("psi(");
|
|---|
| 292 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 293 | // stringBuilder.Append(")");
|
|---|
| 294 | //} else if (node.Symbol is SineIntegral) {
|
|---|
| 295 | // stringBuilder.Append("sinint(");
|
|---|
| 296 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 297 | // stringBuilder.Append(")");
|
|---|
| 298 | } else if (symbol is HeuristicLab.Problems.DataAnalysis.Symbolic.Variable) {
|
|---|
| 299 | VariableTreeNode variableTreeNode = node as VariableTreeNode;
|
|---|
| 300 | stringBuilder.Append(variableTreeNode.Weight.ToString(CultureInfo.InvariantCulture));
|
|---|
| 301 | stringBuilder.Append("*");
|
|---|
| 302 | stringBuilder.Append(GetColumnToVariableName(variableTreeNode.VariableName));// + LagToString(currentLag));
|
|---|
| 303 | } else if (symbol is Power) {
|
|---|
| 304 | stringBuilder.Append("POWER(");
|
|---|
| 305 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 306 | stringBuilder.Append(",ROUND(");
|
|---|
| 307 | stringBuilder.Append(FormatRecursively(node.GetSubtree(1)));
|
|---|
| 308 | stringBuilder.Append(",0))");
|
|---|
| 309 | } else if (symbol is Root) {
|
|---|
| 310 | stringBuilder.Append("(");
|
|---|
| 311 | stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 312 | stringBuilder.Append(")^(1 / ROUND(");
|
|---|
| 313 | stringBuilder.Append(FormatRecursively(node.GetSubtree(1)));
|
|---|
| 314 | stringBuilder.Append(",0))");
|
|---|
| 315 | //} else if (symbol is Derivative) {
|
|---|
| 316 | // stringBuilder.Append("fivePoint(");
|
|---|
| 317 | // // f0
|
|---|
| 318 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 319 | // stringBuilder.Append(", ");
|
|---|
| 320 | // // f1
|
|---|
| 321 | // currentLag--;
|
|---|
| 322 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 323 | // stringBuilder.Append(", ");
|
|---|
| 324 | // // f3
|
|---|
| 325 | // currentLag -= 2;
|
|---|
| 326 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 327 | // stringBuilder.Append(", ");
|
|---|
| 328 | // currentLag--;
|
|---|
| 329 | // // f4
|
|---|
| 330 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 331 | // stringBuilder.Append(")");
|
|---|
| 332 | // currentLag += 4;
|
|---|
| 333 | //} else if (symbol is Integral) {
|
|---|
| 334 | // var laggedNode = node as LaggedTreeNode;
|
|---|
| 335 | // string prevCounterVariable = CurrentIndexVariable;
|
|---|
| 336 | // string counterVariable = AllocateIndexVariable();
|
|---|
| 337 | // stringBuilder.AppendLine(" sum (map(@(" + counterVariable + ") " + FormatRecursively(node.GetSubtree(0)) +
|
|---|
| 338 | // ", (" + prevCounterVariable + "+" + laggedNode.Lag + "):" + prevCounterVariable +
|
|---|
| 339 | // "))");
|
|---|
| 340 | // ReleaseIndexVariable();
|
|---|
| 341 | //} else if (symbol is TimeLag) {
|
|---|
| 342 | // var laggedNode = node as LaggedTreeNode;
|
|---|
| 343 | // currentLag += laggedNode.Lag;
|
|---|
| 344 | // stringBuilder.Append(FormatRecursively(node.GetSubtree(0)));
|
|---|
| 345 | //currentLag -= laggedNode.Lag;
|
|---|
| 346 | } else {
|
|---|
| 347 | stringBuilder.Append("ERROR");
|
|---|
| 348 | }
|
|---|
| 349 | return stringBuilder.ToString();
|
|---|
| 350 | }
|
|---|
| 351 |
|
|---|
| 352 |
|
|---|
| 353 | //private string LagToString(int lag) {
|
|---|
| 354 | // if (lag < 0) {
|
|---|
| 355 | // return "(" + CurrentIndexVariable + "" + lag + ")";
|
|---|
| 356 | // } else if (lag > 0) {
|
|---|
| 357 | // return "(" + CurrentIndexVariable + "+" + lag + ")";
|
|---|
| 358 | // } else return "(" + CurrentIndexVariable + ")";
|
|---|
| 359 | //}
|
|---|
| 360 |
|
|---|
| 361 | }
|
|---|
| 362 | }
|
|---|
