/usr/include/shogun/features/RealFileFeatures.h is in libshogun-dev 1.1.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Written (W) 1999-2009 Soeren Sonnenburg
* Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
*/
#ifndef _DREALFILEFEATURES__H__
#define _DREALFILEFEATURES__H__
#include <shogun/lib/common.h>
#include <shogun/features/SimpleFeatures.h>
namespace shogun
{
/** @brief The class RealFileFeatures implements a dense double-precision floating
* point matrix <b>from a file</b>.
*
* It inherits its functionality from CSimpleFeatures, which should be
* consulted for further reference.
*/
class CRealFileFeatures: public CSimpleFeatures<float64_t>
{
public:
/** default constructor */
CRealFileFeatures();
/** constructor
*
* @param size cache size
* @param file file to load features from
*/
CRealFileFeatures(int32_t size, FILE* file);
/** constructor
*
* @param size cache size
* @param filename filename to load features from
*/
CRealFileFeatures(int32_t size, char* filename);
/** copy constructor */
CRealFileFeatures(const CRealFileFeatures& orig);
virtual ~CRealFileFeatures();
/** load feature matrix
*
* @return loaded feature matrix
*/
virtual float64_t* load_feature_matrix();
/** get label at given index
*
* @param idx index to look at
* @return label at given index
*/
int32_t get_label(int32_t idx);
/** @return object name */
inline virtual const char* get_name() const { return "RealFileFeatures"; }
protected:
/** compute feature vector for sample num
* len is returned by reference
*
* @param num num
* @param len len
* @param target target
*/
virtual float64_t* compute_feature_vector(
int32_t num, int32_t& len, float64_t* target=NULL);
/** load base data
*
* @return if loading was successful
*/
bool load_base_data();
protected:
/** working file */
FILE* working_file;
/** working filename */
char* working_filename;
/** status */
bool status;
/** labels */
int32_t* labels;
/** intlen */
uint8_t intlen;
/** doublelen */
uint8_t doublelen;
/** endian */
uint32_t endian;
/** fourcc */
uint32_t fourcc;
/** preprocd */
uint32_t preprocd;
/** filepos */
int64_t filepos;
};
}
#endif
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