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) 1999-2009 Soeren Sonnenburg 00008 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _DREALFILEFEATURES__H__ 00012 #define _DREALFILEFEATURES__H__ 00013 00014 #include <shogun/lib/common.h> 00015 #include <shogun/features/SimpleFeatures.h> 00016 00017 namespace shogun 00018 { 00025 class CRealFileFeatures: public CSimpleFeatures<float64_t> 00026 { 00027 public: 00029 CRealFileFeatures(); 00030 00036 CRealFileFeatures(int32_t size, FILE* file); 00037 00043 CRealFileFeatures(int32_t size, char* filename); 00044 00046 CRealFileFeatures(const CRealFileFeatures& orig); 00047 00048 virtual ~CRealFileFeatures(); 00049 00054 virtual float64_t* load_feature_matrix(); 00055 00061 int32_t get_label(int32_t idx); 00062 00064 inline virtual const char* get_name() const { return "RealFileFeatures"; } 00065 00066 protected: 00074 virtual float64_t* compute_feature_vector( 00075 int32_t num, int32_t& len, float64_t* target=NULL); 00076 00081 bool load_base_data(); 00082 00083 protected: 00085 FILE* working_file; 00087 char* working_filename; 00089 bool status; 00091 int32_t* labels; 00092 00094 uint8_t intlen; 00096 uint8_t doublelen; 00098 uint32_t endian; 00100 uint32_t fourcc; 00102 uint32_t preprocd; 00104 int64_t filepos; 00105 }; 00106 } 00107 #endif