/usr/include/shogun/distance/SparseDistance.h is in libshogun-dev 3.2.0-7.3build4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /*
* 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) 2007-2009 Soeren Sonnenburg
* Copyright (C) 2007-2009 Fraunhofer Institute FIRST and Max-Planck-Society
*/
#ifndef _SPARSEDISTANCE_H___
#define _SPARSEDISTANCE_H___
#include <shogun/distance/Distance.h>
#include <shogun/features/SparseFeatures.h>
namespace shogun
{
/** @brief template class SparseDistance */
template <class ST> class CSparseDistance : public CDistance
{
public:
/** default constructor */
CSparseDistance() : CDistance() {}
/** init distance
*
* @param l features of left-hand side
* @param r features of right-hand side
* @return if init was successful
*/
virtual bool init(CFeatures* l, CFeatures* r)
{
CDistance::init(l,r);
ASSERT(l->get_feature_class()==C_SPARSE)
ASSERT(r->get_feature_class()==C_SPARSE)
ASSERT(l->get_feature_type()==this->get_feature_type())
ASSERT(r->get_feature_type()==this->get_feature_type())
if (((CSparseFeatures<ST>*) lhs)->get_num_features() != ((CSparseFeatures<ST>*) rhs)->get_num_features() )
{
SG_ERROR("train or test features #dimension mismatch (l:%d vs. r:%d)\n",
((CSparseFeatures<ST>*) lhs)->get_num_features(),((CSparseFeatures<ST>*)rhs)->get_num_features());
}
return true;
}
/** get feature class the distance can deal with
*
* @return feature class SPARSE
*/
virtual EFeatureClass get_feature_class() { return C_SPARSE; }
/** get feature type the distance can deal with
*
* @return template-specific feature type
*/
virtual EFeatureType get_feature_type();
/** Returns the name of the SGSerializable instance. It MUST BE
* the CLASS NAME without the prefixed `C'.
*
* @return name of the SGSerializable
*/
virtual const char* get_name() const {
return "SparseDistance"; }
/** cleanup distance
*
* abstract base method
*/
virtual void cleanup()=0;
/** get distance type we are
*
* abstrace base method
*
* @return distance type
*/
virtual EDistanceType get_distance_type()=0;
};
/** get feature type the DREAL distance can deal with
*
* @return feature type DREAL
*/
template<> inline EFeatureType CSparseDistance<float64_t>::get_feature_type() { return F_DREAL; }
/** get feature type the ULONG distance can deal with
*
* @return feature type ULONG
*/
template<> inline EFeatureType CSparseDistance<uint64_t>::get_feature_type() { return F_ULONG; }
/** get feature type the INT distance can deal with
*
* @return feature type INT
*/
template<> inline EFeatureType CSparseDistance<int32_t>::get_feature_type() { return F_INT; }
/** get feature type the WORD distance can deal with
*
* @return feature type WORD
*/
template<> inline EFeatureType CSparseDistance<uint16_t>::get_feature_type() { return F_WORD; }
/** get feature type the SHORT distance can deal with
*
* @return feature type SHORT
*/
template<> inline EFeatureType CSparseDistance<int16_t>::get_feature_type() { return F_SHORT; }
/** get feature type the BYTE distance can deal with
*
* @return feature type BYTE
*/
template<> inline EFeatureType CSparseDistance<uint8_t>::get_feature_type() { return F_BYTE; }
/** get feature type the CHAR distance can deal with
*
* @return feature type CHAR
*/
template<> inline EFeatureType CSparseDistance<char>::get_feature_type() { return F_CHAR; }
} // namespace shogun
#endif
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