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source: branches/2895_PushGP_GenealogyAnalysis/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/VectorConcatExpressions.cs @ 15771

Last change on this file since 15771 was 15771, checked in by bburlacu, 6 years ago

#2895: Add solution skeleton for PushGP with genealogy analysis.

File size: 3.8 KB
Line 
1using System.Collections.Generic;
2using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
3
4namespace HeuristicLab.Problems.ProgramSynthesis {
5  /// <summary>
6  /// Concatinates two vectors on the type stack.
7  /// </summary>
8  [StorableClass]
9  public abstract class VectorConcatExpression<T> : StatelessExpression {
10    protected VectorConcatExpression() { }
11    [StorableConstructor]
12    protected VectorConcatExpression(bool deserializing) : base(deserializing) { }
13
14    protected bool IsNoop(IInternalPushInterpreter interpreter, IPushStack<IReadOnlyList<T>> vectorStack) {
15      return vectorStack.Count < 2 ||
16             vectorStack.Top.Count + vectorStack[1].Count > interpreter.Configuration.MaxVectorLength;
17    }
18
19    protected void Eval(IInternalPushInterpreter interpter, IPushStack<IReadOnlyList<T>> vectorStack) {
20      var first = vectorStack.Pop();
21      var second = vectorStack.Top;
22      var result = new List<T>(second.Count + first.Count);
23      result.AddRange(second);
24      result.AddRange(first);
25
26      vectorStack.Top = result;
27    }
28  }
29
30  [StorableClass]
31  [PushExpression(
32    StackTypes.IntegerVector,
33    "INTEGER[].CONCAT",
34    "Concatenates the top two vectors on the INTEGER[] stack.")]
35  public class IntegerVectorConcatExpression : VectorConcatExpression<long> {
36    public IntegerVectorConcatExpression() { }
37    [StorableConstructor]
38    protected IntegerVectorConcatExpression(bool deserializing) : base(deserializing) { }
39
40    public override bool IsNoop(IInternalPushInterpreter interpreter) {
41      return IsNoop(interpreter, interpreter.IntegerVectorStack);
42    }
43
44    public override void Eval(IInternalPushInterpreter interpreter) {
45      Eval(interpreter, interpreter.IntegerVectorStack);
46    }
47  }
48
49  [StorableClass]
50  [PushExpression(
51    StackTypes.FloatVector,
52    "FLOAT[].CONCAT",
53    "Concatenates the top two vectors on the FLOAT[] stack.")]
54  public class FloatVectorConcatExpression : VectorConcatExpression<double> {
55    public FloatVectorConcatExpression() { }
56    [StorableConstructor]
57    protected FloatVectorConcatExpression(bool deserializing) : base(deserializing) { }
58
59    public override bool IsNoop(IInternalPushInterpreter interpreter) {
60      return IsNoop(interpreter, interpreter.FloatVectorStack);
61    }
62
63    public override void Eval(IInternalPushInterpreter interpreter) {
64      Eval(interpreter, interpreter.FloatVectorStack);
65    }
66  }
67
68  [StorableClass]
69  [PushExpression(
70    StackTypes.BooleanVector,
71    "BOOLEAN[].CONCAT",
72    "Concatenates the top two vectors on the BOOLEAN[] stack.")]
73  public class BooleanVectorConcatExpression : VectorConcatExpression<bool> {
74    public BooleanVectorConcatExpression() { }
75    [StorableConstructor]
76    protected BooleanVectorConcatExpression(bool deserializing) : base(deserializing) { }
77
78    public override bool IsNoop(IInternalPushInterpreter interpreter) {
79      return IsNoop(interpreter, interpreter.BooleanVectorStack);
80    }
81
82    public override void Eval(IInternalPushInterpreter interpreter) {
83      Eval(interpreter, interpreter.BooleanVectorStack);
84    }
85  }
86
87  [StorableClass]
88  [PushExpression(
89    StackTypes.StringVector,
90    "STRING[].CONCAT",
91    "Concatenates the top two vectors on the STRING[] stack.")]
92  public class StringVectorConcatExpression : VectorConcatExpression<string> {
93    public StringVectorConcatExpression() { }
94    [StorableConstructor]
95    protected StringVectorConcatExpression(bool deserializing) : base(deserializing) { }
96
97    public override bool IsNoop(IInternalPushInterpreter interpreter) {
98      return IsNoop(interpreter, interpreter.StringVectorStack);
99    }
100
101    public override void Eval(IInternalPushInterpreter interpreter) {
102      Eval(interpreter, interpreter.StringVectorStack);
103    }
104  }
105}
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