GPUMLib  0.2.2
GPU Machine Learning Library
NMFadditiveEuclidian.h
1 /*
2  Noel Lopes is an Assistant Professor at the Polytechnic Institute of Guarda, Portugal
3  Copyright (C) 2009, 2010, 2011, 2012 Noel de Jesus Mendonša Lopes
4 
5  This file is part of GPUMLib.
6 
7  GPUMLib 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  This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20 
21 #ifndef GPUMLib_NMFadditiveEuclidian_h
22 #define GPUMLib_NMFadditiveEuclidian_h
23 
24 #include "../memory/DeviceArray.h"
25 #include "BaseNMF.h"
26 
27 namespace GPUMLib {
28 
31 
33 class NMF_AdditiveEuclidian : public NMF {
34  private:
40 
41  public:
47  NMF_AdditiveEuclidian(HostMatrix<cudafloat> & v, int r) : NMF(v, r), deltaH(r, v.Columns()), deltaW(v.Rows(), r), aux(r, r), deltaH2(r, v.Columns()), deltaW2(v.Rows(), r) {
48  }
49 
56  NMF_AdditiveEuclidian(HostMatrix<cudafloat> & v, HostMatrix<cudafloat> & w, HostMatrix<cudafloat> & h) : NMF(v, w, h), deltaH(h.Rows(), v.Columns()), deltaW(v.Rows(), w.Columns()), aux(w.Columns(), w.Columns()), deltaH2(h.Rows(), v.Columns()), deltaW2(v.Rows(), w.Columns()) {
57  }
58 
61  void DoIteration(bool updateW = true);
62 };
63 
65 
66 }
67 
68 #endif
NMF_AdditiveEuclidian(HostMatrix< cudafloat > &v, HostMatrix< cudafloat > &w, HostMatrix< cudafloat > &h)
void DoIteration(bool updateW=true)
Base class for all Non-Negative Matrix Factorization classes.
Definition: BaseNMF.h:40
Represents a Non-Negative Matrix Factorization (NMF) algorithm that uses additive update rules and th...
NMF_AdditiveEuclidian(HostMatrix< cudafloat > &v, int r)