00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 2011 Sergey Lisitsyn 00008 * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society 00009 */ 00010 00011 #ifndef HESSIANLOCALLYLINEAREMBEDDING_H_ 00012 #define HESSIANLOCALLYLINEAREMBEDDING_H_ 00013 #include <shogun/lib/config.h> 00014 #ifdef HAVE_LAPACK 00015 #include <shogun/converter/LocallyLinearEmbedding.h> 00016 #include <shogun/features/Features.h> 00017 #include <shogun/distance/Distance.h> 00018 00019 namespace shogun 00020 { 00021 00022 class CFeatures; 00023 class CDistance; 00024 00047 class CHessianLocallyLinearEmbedding: public CLocallyLinearEmbedding 00048 { 00049 public: 00050 00052 CHessianLocallyLinearEmbedding(); 00053 00055 virtual ~CHessianLocallyLinearEmbedding(); 00056 00058 virtual const char* get_name() const; 00059 00061 protected: 00062 00068 virtual SGMatrix<float64_t> construct_weight_matrix(CDenseFeatures<float64_t>* simple_features,float64_t* W_matrix, 00069 SGMatrix<int32_t> neighborhood_matrix); 00070 00072 protected: 00073 00077 static void* run_hessianestimation_thread(void* p); 00078 00079 }; 00080 } 00081 00082 #endif /* HAVE_LAPACK */ 00083 #endif /* HESSIANLOCALLYLINEAREMBEDDING_H_ */
