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source: branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/VectorRemoveExpressions.cs @ 15189

Last change on this file since 15189 was 15189, checked in by pkimmesw, 7 years ago

#2665 Fixed small issues, testet benchmark suite, added INX Expressions

File size: 4.1 KB
Line 
1using System.Collections.Generic;
2
3namespace HeuristicLab.Problems.ProgramSynthesis.Push.Expressions {
4  using System.Linq;
5
6  using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
7  using HeuristicLab.Problems.ProgramSynthesis.Push.Attributes;
8  using HeuristicLab.Problems.ProgramSynthesis.Push.Interpreter;
9  using HeuristicLab.Problems.ProgramSynthesis.Push.Stack;
10
11  /// <summary>
12  /// Removes all occurrences of the first lit-type item in the top type vector.
13  /// </summary>
14  /// <typeparam name="T"></typeparam>
15  [StorableClass]
16  public abstract class VectorRemoveExpression<T> : StatelessExpression {
17    protected VectorRemoveExpression() { }
18    [StorableConstructor]
19    protected VectorRemoveExpression(bool deserializing) : base(deserializing) { }
20
21    protected bool IsNoop(IPushStack<IReadOnlyList<T>> vectorStack, IPushStack<T> literalStack) {
22      return vectorStack.IsEmpty || literalStack.IsEmpty;
23    }
24
25    protected void Eval(IPushStack<IReadOnlyList<T>> vectorStack, IPushStack<T> literalStack) {
26      var literal = literalStack.Pop();
27      vectorStack.Top = vectorStack.Top.Where(x => !x.Equals(literal)).ToList();
28    }
29  }
30
31  [StorableClass]
32  [PushExpression(
33    StackTypes.IntegerVector,
34    "INTEGER[].REMOVE",
35    "Removes all occurrences of the top INTEGER in the top INTEGER[].",
36    StackTypes.Integer)]
37  public class IntegerVectorRemoveExpression : VectorRemoveExpression<long> {
38    public IntegerVectorRemoveExpression() { }
39    [StorableConstructor]
40    protected IntegerVectorRemoveExpression(bool deserializing) : base(deserializing) { }
41
42    public override bool IsNoop(IInternalPushInterpreter interpreter) {
43      return IsNoop(interpreter.IntegerVectorStack, interpreter.IntegerStack);
44    }
45
46    public override void Eval(IInternalPushInterpreter interpreter) {
47      Eval(interpreter.IntegerVectorStack, interpreter.IntegerStack);
48    }
49  }
50
51  [StorableClass]
52  [PushExpression(
53    StackTypes.FloatVector,
54    "FLOAT[].REMOVE",
55    "Removes all occurrences of the top FLOAT in the top FLOAT[].",
56    StackTypes.Float)]
57  public class FloatVectorRemoveExpression : VectorRemoveExpression<double> {
58    public FloatVectorRemoveExpression() { }
59    [StorableConstructor]
60    protected FloatVectorRemoveExpression(bool deserializing) : base(deserializing) { }
61
62    public override bool IsNoop(IInternalPushInterpreter interpreter) {
63      return IsNoop(interpreter.FloatVectorStack, interpreter.FloatStack);
64    }
65
66    public override void Eval(IInternalPushInterpreter interpreter) {
67      Eval(interpreter.FloatVectorStack, interpreter.FloatStack);
68    }
69  }
70
71  [StorableClass]
72  [PushExpression(
73    StackTypes.BooleanVector,
74    "BOOLEAN[].REMOVE",
75    "Removes all occurrences of the top BOOLEAN in the top BOOLEAN[].",
76    StackTypes.Boolean)]
77  public class BooleanVectorRemoveExpression : VectorRemoveExpression<bool> {
78    public BooleanVectorRemoveExpression() { }
79    [StorableConstructor]
80    protected BooleanVectorRemoveExpression(bool deserializing) : base(deserializing) { }
81
82    public override bool IsNoop(IInternalPushInterpreter interpreter) {
83      return IsNoop(interpreter.BooleanVectorStack, interpreter.BooleanStack);
84    }
85
86    public override void Eval(IInternalPushInterpreter interpreter) {
87      Eval(interpreter.BooleanVectorStack, interpreter.BooleanStack);
88    }
89  }
90
91  [StorableClass]
92  [PushExpression(
93    StackTypes.StringVector,
94    "STRING[].REMOVE",
95    "Removes all occurrences of the top STRING in the top STRING[].",
96    StackTypes.String)]
97  public class StringVectorRemoveExpression : VectorRemoveExpression<string> {
98    public StringVectorRemoveExpression() { }
99    [StorableConstructor]
100    protected StringVectorRemoveExpression(bool deserializing) : base(deserializing) { }
101
102    public override bool IsNoop(IInternalPushInterpreter interpreter) {
103      return IsNoop(interpreter.StringVectorStack, interpreter.StringStack);
104    }
105
106    public override void Eval(IInternalPushInterpreter interpreter) {
107      Eval(interpreter.StringVectorStack, interpreter.StringStack);
108    }
109  }
110}
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