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 #define IGNORE_IN_CLASSLIST 00044 IGNORE_IN_CLASSLIST class CLPM : public CLinearClassifier 00045 { 00046 public: 00047 CLPM(); 00048 virtual ~CLPM(); 00049 00058 virtual bool train(CFeatures* data=NULL); 00059 00060 inline virtual EClassifierType get_classifier_type() 00061 { 00062 return CT_LPM; 00063 } 00064 00069 virtual inline void set_features(CDotFeatures* feat) 00070 { 00071 if (feat->get_feature_class() != C_SPARSE || 00072 feat->get_feature_type() != F_DREAL) 00073 SG_ERROR("LPM requires SPARSE REAL valued features\n"); 00074 00075 CLinearClassifier::set_features(feat); 00076 } 00077 00084 inline void set_C(float64_t c_neg, float64_t c_pos) { C1=c_neg; C2=c_pos; } 00085 00086 inline float64_t get_C1() { return C1; } 00087 inline float64_t get_C2() { return C2; } 00088 00089 inline void set_bias_enabled(bool enable_bias) { use_bias=enable_bias; } 00090 inline bool get_bias_enabled() { return use_bias; } 00091 00092 inline void set_epsilon(float64_t eps) { epsilon=eps; } 00093 inline float64_t get_epsilon() { return epsilon; } 00094 00096 inline virtual const char* get_name() const { return "LPM"; } 00097 00098 protected: 00099 float64_t C1; 00100 float64_t C2; 00101 bool use_bias; 00102 float64_t epsilon; 00103 }; 00104 } 00105 #endif //USE_CPLEX 00106 #endif //_LPM_H___