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 _CLOGPLUSONE__H__ 00012 #define _CLOGPLUSONE__H__ 00013 00014 #include <shogun/preprocessor/SimplePreprocessor.h> 00015 #include <shogun/features/Features.h> 00016 #include <shogun/lib/common.h> 00017 00018 #include <stdio.h> 00019 00020 namespace shogun 00021 { 00033 class CLogPlusOne : public CSimplePreprocessor<float64_t> 00034 { 00035 public: 00037 CLogPlusOne(); 00038 00040 virtual ~CLogPlusOne(); 00041 00043 virtual bool init(CFeatures* features); 00044 00046 virtual void cleanup(); 00048 virtual bool load(FILE* f); 00050 virtual bool save(FILE* f); 00051 00055 virtual SGMatrix<float64_t> apply_to_feature_matrix(CFeatures* features); 00056 00059 virtual SGVector<float64_t> apply_to_feature_vector(SGVector<float64_t> vector); 00060 00062 virtual inline const char* get_name() const { return "LogPlusOne"; } 00063 00065 virtual inline EPreprocessorType get_type() const { return P_LOGPLUSONE; } 00066 }; 00067 } 00068 #endif