1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 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.IO;
|
---|
25 | using System.Linq;
|
---|
26 | using System.Numerics;
|
---|
27 | using System.Runtime.Serialization;
|
---|
28 | using Google.Protobuf;
|
---|
29 | using HEAL.Attic;
|
---|
30 | using MathNet.Numerics;
|
---|
31 | using MathNet.Numerics.LinearAlgebra;
|
---|
32 | using MathNet.Numerics.LinearAlgebra.Storage;
|
---|
33 |
|
---|
34 | namespace HeuristicLab.MathNet.Numerics {
|
---|
35 | #region Vector Transformer
|
---|
36 | public abstract class VectorTransformer<T> : BoxTransformer<Vector<T>> where T : struct, IEquatable<T>, IFormattable {
|
---|
37 | public override bool CanTransformType(Type type) {
|
---|
38 | return typeof(Vector<T>).IsAssignableFrom(type);
|
---|
39 | }
|
---|
40 | public override Box CreateBox(object o, Mapper mapper) {
|
---|
41 | var box = base.CreateBox(o, mapper);
|
---|
42 | box.Value = new ScalarValueBox();
|
---|
43 | return box;
|
---|
44 | }
|
---|
45 | protected override void Populate(Box box, Vector<T> vector, Mapper mapper) {
|
---|
46 | var storageId = mapper.GetBoxId(vector.Storage);
|
---|
47 | box.Value.ULong = storageId;
|
---|
48 | }
|
---|
49 | protected override Vector<T> Extract(Box box, Type type, Mapper mapper) {
|
---|
50 | var storageId = (uint)box.Value.ULong;
|
---|
51 | var storage = (VectorStorage<T>)mapper.GetObject(storageId);
|
---|
52 | return Vector<T>.Build.OfStorage(storage);
|
---|
53 | }
|
---|
54 | }
|
---|
55 |
|
---|
56 | [Transformer("78276F91-D075-4472-B81B-3A736184CC22", 400)]
|
---|
57 | public class SingleVectorTransformer : VectorTransformer<float> { }
|
---|
58 |
|
---|
59 | [Transformer("9B131989-4528-4A59-B64D-0FE07693714F", 400)]
|
---|
60 | public class ComplexVectorTransformer : VectorTransformer<Complex> { }
|
---|
61 |
|
---|
62 | [Transformer("2D978104-A174-4AE2-AEA1-20FD50CADF0D", 400)]
|
---|
63 | public class Complex32VectorTransformer : VectorTransformer<Complex32> { }
|
---|
64 |
|
---|
65 | [Transformer("76A21F63-36B4-4073-ABBC-56623ECBF42E", 400)]
|
---|
66 | public class DoubleVectorTransformer : VectorTransformer<double> { }
|
---|
67 | #endregion
|
---|
68 |
|
---|
69 | #region Dense Vector Storage Transformer
|
---|
70 | [Transformer("CA28BA16-2C95-4270-9A04-3502D492F070", 200)]
|
---|
71 | public class DenseDoubleVectorStorageTransformer : BoxTransformer<DenseVectorStorage<double>> {
|
---|
72 | public override Box CreateBox(object o, Mapper mapper) {
|
---|
73 | var box = base.CreateBox(o, mapper);
|
---|
74 | box.Values = new RepeatedValueBox() {
|
---|
75 | Doubles = new RepeatedDoubleBox()
|
---|
76 | };
|
---|
77 | return box;
|
---|
78 | }
|
---|
79 | protected override void Populate(Box box, DenseVectorStorage<double> storage, Mapper mapper) {
|
---|
80 | box.Values.Doubles.Values.AddRange(storage.Data);
|
---|
81 | }
|
---|
82 | protected override DenseVectorStorage<double> Extract(Box box, Type type, Mapper mapper) {
|
---|
83 | var data = box.Values.Doubles.Values;
|
---|
84 | return DenseVectorStorage<double>.OfEnumerable(data);
|
---|
85 | }
|
---|
86 | }
|
---|
87 | #endregion
|
---|
88 |
|
---|
89 | #region Sparse Vector Storage Transformer
|
---|
90 | [Transformer("25FDFB3B-5849-44F6-81AC-3D16CB093ADE", 200)]
|
---|
91 | public class SparseDoubleVectorStorageTransformer : BoxTransformer<SparseVectorStorage<double>> {
|
---|
92 | public override Box CreateBox(object o, Mapper mapper) {
|
---|
93 | var box = base.CreateBox(o, mapper);
|
---|
94 | box.Value = new ScalarValueBox();
|
---|
95 | box.Values = new RepeatedValueBox() {
|
---|
96 | Doubles = new RepeatedDoubleBox(),
|
---|
97 | Ints = new RepeatedIntBox()
|
---|
98 | };
|
---|
99 | return box;
|
---|
100 | }
|
---|
101 | protected override void Populate(Box box, SparseVectorStorage<double> storage, Mapper mapper) {
|
---|
102 | box.Value.Long = storage.ValueCount;
|
---|
103 | box.Values.Doubles.Values.AddRange(storage.Values);
|
---|
104 | box.Values.Ints.Values.AddRange(storage.Indices);
|
---|
105 | }
|
---|
106 | protected override SparseVectorStorage<double> Extract(Box box, Type type, Mapper mapper) {
|
---|
107 | int valueCount = (int)box.Value.Long;
|
---|
108 | var values = box.Values.Doubles.Values;
|
---|
109 | var indices = box.Values.Ints.Values;
|
---|
110 | var data = indices.Zip(values, Tuple.Create);
|
---|
111 | return SparseVectorStorage<double>.OfIndexedEnumerable(valueCount, data);
|
---|
112 | }
|
---|
113 | }
|
---|
114 | #endregion
|
---|
115 |
|
---|
116 |
|
---|
117 |
|
---|
118 | [Transformer("45EFC879-241D-404F-BCC1-341A41F6AB90", 1000)]
|
---|
119 | public class DataContractTransformer : BoxTransformer<object> {
|
---|
120 | private readonly DataContractSerializer serializer = new DataContractSerializer(typeof(DenseVectorStorage<>));
|
---|
121 | public override bool CanTransformType(Type type) {
|
---|
122 | return Attribute.GetCustomAttribute(type, typeof(SerializableAttribute)) != null &&
|
---|
123 | Attribute.GetCustomAttribute(type, typeof(DataContractAttribute)) != null;
|
---|
124 | }
|
---|
125 | public override Box CreateBox(object o, Mapper mapper) {
|
---|
126 | var box = base.CreateBox(o, mapper);
|
---|
127 | box.Value = new ScalarValueBox();
|
---|
128 | return box;
|
---|
129 | }
|
---|
130 | protected override void Populate(Box box, object o, Mapper mapper) {
|
---|
131 | using (var stream = new MemoryStream()) {
|
---|
132 | serializer.WriteObject(stream, o);
|
---|
133 | var data = stream.ToArray();
|
---|
134 | box.Value.Bytes = ByteString.CopyFrom(data);
|
---|
135 | }
|
---|
136 | }
|
---|
137 | protected override object Extract(Box box, Type type, Mapper mapper) {
|
---|
138 | var data = box.Value.Bytes.ToByteArray();
|
---|
139 | using (var stream = new MemoryStream()) {
|
---|
140 | stream.Write(data, 0, data.Length);
|
---|
141 | stream.Seek(0, SeekOrigin.Begin);
|
---|
142 | return serializer.ReadObject(stream);
|
---|
143 | }
|
---|
144 | }
|
---|
145 | }
|
---|
146 | } |
---|