|
Last change
on this file since 12382 was
10562,
checked in by bburlacu, 11 years ago
|
|
#2164: Committed initial version of the tree matching functionality.
|
|
File size:
845 bytes
|
| Line | |
|---|
| 1 | using System;
|
|---|
| 2 | using System.Collections.Generic;
|
|---|
| 3 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
|
|---|
| 4 |
|
|---|
| 5 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
|
|---|
| 6 | public class SymbolicExpressionTreeEqualityComparer : IEqualityComparer<ISymbolicExpressionTree> {
|
|---|
| 7 | public SymbolicExpressionTreeNodeSimilarityComparer SimilarityComparer { get; set; }
|
|---|
| 8 |
|
|---|
| 9 | public bool Equals(ISymbolicExpressionTree a, ISymbolicExpressionTree b) {
|
|---|
| 10 | if (SimilarityComparer == null) throw new Exception("SimilarityComparer needs to be initialized first.");
|
|---|
| 11 | return a.Length == b.Length &&
|
|---|
| 12 | SymbolicExpressionTreeMatching.Match(a.Root, b.Root, SimilarityComparer) == Math.Min(a.Length, b.Length);
|
|---|
| 13 | }
|
|---|
| 14 |
|
|---|
| 15 | public int GetHashCode(ISymbolicExpressionTree tree) {
|
|---|
| 16 | return (tree.Length << 8) % 12345;
|
|---|
| 17 | }
|
|---|
| 18 | }
|
|---|
| 19 | }
|
|---|
Note: See
TracBrowser
for help on using the repository browser.
