/usr/include/flann/general.h is in libflann-dev 1.7.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Software License Agreement (BSD License)
*
* Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
* Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
*
* THE BSD LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*************************************************************************/
#ifndef FLANN_GENERAL_H_
#define FLANN_GENERAL_H_
#include "defines.h"
#include <stdexcept>
#include <cassert>
namespace flann
{
class FLANNException : public std::runtime_error
{
public:
FLANNException(const char* message) : std::runtime_error(message) { }
FLANNException(const std::string& message) : std::runtime_error(message) { }
};
inline size_t flann_datatype_size(flann_datatype_t type)
{
switch (type) {
case FLANN_INT8:
return 1;
break;
case FLANN_INT16:
return 2;
break;
case FLANN_INT32:
return 4;
break;
case FLANN_INT64:
return 8;
break;
case FLANN_UINT8:
return 1;
break;
case FLANN_UINT16:
return 2;
break;
case FLANN_UINT32:
return 4;
break;
case FLANN_UINT64:
return 8;
break;
case FLANN_FLOAT32:
return 4;
break;
case FLANN_FLOAT64:
return 8;
break;
default:
return 1;
}
}
template <typename T>
struct flann_datatype
{
static const flann_datatype_t value = FLANN_NONE;
};
template<>
struct flann_datatype<char>
{
static const flann_datatype_t value = FLANN_INT8;
};
template<>
struct flann_datatype<short>
{
static const flann_datatype_t value = FLANN_INT16;
};
template<>
struct flann_datatype<int>
{
static const flann_datatype_t value = FLANN_INT32;
};
template<>
struct flann_datatype<unsigned char>
{
static const flann_datatype_t value = FLANN_UINT8;
};
template<>
struct flann_datatype<unsigned short>
{
static const flann_datatype_t value = FLANN_UINT16;
};
template<>
struct flann_datatype<unsigned int>
{
static const flann_datatype_t value = FLANN_UINT32;
};
template<>
struct flann_datatype<float>
{
static const flann_datatype_t value = FLANN_FLOAT32;
};
template<>
struct flann_datatype<double>
{
static const flann_datatype_t value = FLANN_FLOAT64;
};
}
#endif /* FLANN_GENERAL_H_ */
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