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) 2007-2008 Soeren Sonnenburg 00008 * Copyright (C) 2007-2008 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _LPBOOST_H___ 00012 #define _LPBOOST_H___ 00013 00014 #include "lib/config.h" 00015 #ifdef USE_CPLEX 00016 00017 #include <stdio.h> 00018 #include "lib/common.h" 00019 #include "lib/DynamicArray.h" 00020 00021 #include "features/Features.h" 00022 #include "classifier/SparseLinearClassifier.h" 00023 00024 class CLPBoost : public CSparseLinearClassifier 00025 { 00026 public: 00027 CLPBoost(); 00028 virtual ~CLPBoost(); 00029 00030 virtual bool train(); 00031 00032 inline virtual EClassifierType get_classifier_type() 00033 { 00034 return CT_LPBOOST; 00035 } 00036 00037 bool init(int32_t num_vec); 00038 void cleanup(); 00039 00040 inline void set_C(float64_t c1, float64_t c2) { C1=c1; C2=c2; } 00041 00042 inline float64_t get_C1() { return C1; } 00043 inline float64_t get_C2() { return C2; } 00044 00045 inline void set_bias_enabled(bool enable_bias) { use_bias=enable_bias; } 00046 inline bool get_bias_enabled() { return use_bias; } 00047 00048 inline void set_epsilon(float64_t eps) { epsilon=eps; } 00049 inline float64_t get_epsilon() { return epsilon; } 00050 00051 float64_t find_max_violator(int32_t& max_dim); 00052 00053 protected: 00054 float64_t C1; 00055 float64_t C2; 00056 bool use_bias; 00057 float64_t epsilon; 00058 00059 float64_t* u; 00060 CDynamicArray<int32_t>* dim; 00061 00062 int32_t num_sfeat; 00063 int32_t num_svec; 00064 TSparse<float64_t>* sfeat; 00065 00066 }; 00067 #endif //USE_CPLEX 00068 #endif //_LPBOOST_H___