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) 2007-2009 Soeren Sonnenburg 00008 * Copyright (C) 2007-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _LPM_H___ 00012 #define _LPM_H___ 00013 00014 #include "lib/config.h" 00015 #ifdef USE_CPLEX 00016 00017 #include <stdio.h> 00018 #include "lib/common.h" 00019 #include "features/Features.h" 00020 #include "classifier/LinearClassifier.h" 00021 00022 namespace shogun 00023 { 00043 class CLPM : public CLinearClassifier 00044 { 00045 public: 00046 CLPM(); 00047 virtual ~CLPM(); 00048 00057 virtual bool train(CFeatures* data=NULL); 00058 00059 inline virtual EClassifierType get_classifier_type() 00060 { 00061 return CT_LPM; 00062 } 00063 00068 virtual inline void set_features(CDotFeatures* feat) 00069 { 00070 if (feat->get_feature_class() != C_SPARSE || 00071 feat->get_feature_type() != F_DREAL) 00072 SG_ERROR("LPM requires SPARSE REAL valued features\n"); 00073 00074 CLinearClassifier::set_features(feat); 00075 } 00076 00077 inline void set_C(float64_t c1, float64_t c2) { C1=c1; C2=c2; } 00078 00079 inline float64_t get_C1() { return C1; } 00080 inline float64_t get_C2() { return C2; } 00081 00082 inline void set_bias_enabled(bool enable_bias) { use_bias=enable_bias; } 00083 inline bool get_bias_enabled() { return use_bias; } 00084 00085 inline void set_epsilon(float64_t eps) { epsilon=eps; } 00086 inline float64_t get_epsilon() { return epsilon; } 00087 00089 inline virtual const char* get_name() const { return "LPM"; } 00090 00091 protected: 00092 float64_t C1; 00093 float64_t C2; 00094 bool use_bias; 00095 float64_t epsilon; 00096 }; 00097 } 00098 #endif //USE_CPLEX 00099 #endif //_LPM_H___