1 /**
2 * Copyright (c) 2011, The University of Southampton and the individual contributors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * * Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * * Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * * Neither the name of the University of Southampton nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 package org.openimaj.workinprogress.optimisation.params;
31
32 public final class VectorParameters implements Parameters<VectorParameters> {
33 public double[] vector;
34
35 public VectorParameters(int ndims) {
36 vector = new double[ndims];
37 }
38
39 public VectorParameters(double[] vec) {
40 vector = vec;
41 }
42
43 @Override
44 public void multiplyInplace(VectorParameters other) {
45 for (int i = 0; i < vector.length; i++)
46 vector[i] *= other.vector[i];
47
48 }
49
50 @Override
51 public void addInplace(VectorParameters other) {
52 for (int i = 0; i < vector.length; i++)
53 vector[i] += other.vector[i];
54 }
55
56 @Override
57 public void multiplyInplace(double value) {
58 for (int i = 0; i < vector.length; i++)
59 vector[i] *= value;
60 }
61
62 @Override
63 public void addInplace(double value) {
64 for (int i = 0; i < vector.length; i++)
65 vector[i] += value;
66 }
67 }