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 00041 class CLPM : public CLinearClassifier 00042 { 00043 public: 00044 CLPM(); 00045 virtual ~CLPM(); 00046 00047 virtual bool train(); 00048 00049 inline virtual EClassifierType get_classifier_type() 00050 { 00051 return CT_LPM; 00052 } 00053 00058 virtual inline void set_features(CDotFeatures* feat) 00059 { 00060 if (feat->get_feature_class() != C_SPARSE || 00061 feat->get_feature_type() != F_DREAL) 00062 SG_ERROR("LPM requires SPARSE REAL valued features\n"); 00063 00064 CLinearClassifier::set_features(feat); 00065 } 00066 00067 inline void set_C(float64_t c1, float64_t c2) { C1=c1; C2=c2; } 00068 00069 inline float64_t get_C1() { return C1; } 00070 inline float64_t get_C2() { return C2; } 00071 00072 inline void set_bias_enabled(bool enable_bias) { use_bias=enable_bias; } 00073 inline bool get_bias_enabled() { return use_bias; } 00074 00075 inline void set_epsilon(float64_t eps) { epsilon=eps; } 00076 inline float64_t get_epsilon() { return epsilon; } 00077 00079 inline virtual const char* get_name() const { return "LPM"; } 00080 00081 protected: 00082 float64_t C1; 00083 float64_t C2; 00084 bool use_bias; 00085 float64_t epsilon; 00086 }; 00087 #endif //USE_CPLEX 00088 #endif //_LPM_H___