/usr/include/shogun/features/Subset.h is in libshogun-dev 1.1.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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) 2011 Heiko Strathmann
* Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
*/
#ifndef __SUBSET_H_
#define __SUBSET_H_
#include <shogun/base/SGObject.h>
namespace shogun
{
/** @brief class for adding subset support to a class. Provides an interface for
* getting/setting subset_matrices and index conversion.
* Do not inherit from this class, use it as variable. Write wrappers for all
* get/set functions.
*/
class CSubset: public CSGObject
{
public:
/** default constructor, do not use */
CSubset();
/** constructor
*
* @param subset_idx vector of subset indices, is deleted in destructor
*/
CSubset(SGVector<index_t> subset_idx);
/** destructor */
virtual ~CSubset();
/** @return name of the SGSerializable */
inline const char* get_name() const { return "Subset"; }
/** get size of subset
* @return size of subset
*/
inline const index_t get_size() const { return m_subset_idx.vlen; }
/** @return a copy of this instance with a copy of the index vector */
CSubset* duplicate();
/** returns the corresponding real index (in array) of a subset index
* (if there is a subset)
*
* @ return array index of the provided subset index
*/
inline index_t subset_idx_conversion(index_t idx) const
{
return m_subset_idx.vector ? m_subset_idx.vector[idx] : idx;
}
private:
void init();
private:
const SGVector<index_t> m_subset_idx;
};
}
#endif /* __SUBSET_H_ */
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