/usr/include/opencv2/flann/defines.h is in libopencv-flann-dev 2.3.1-7.
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 2008-2011 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
* Copyright 2008-2011 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
*
* 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,
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*************************************************************************/
#ifndef OPENCV_FLANN_DEFINES_H_
#define OPENCV_FLANN_DEFINES_H_
#include "config.h"
#ifdef FLANN_EXPORT
#undef FLANN_EXPORT
#endif
#ifdef WIN32
/* win32 dll export/import directives */
#ifdef FLANN_EXPORTS
#define FLANN_EXPORT __declspec(dllexport)
#elif defined(FLANN_STATIC)
#define FLANN_EXPORT
#else
#define FLANN_EXPORT __declspec(dllimport)
#endif
#else
/* unix needs nothing */
#define FLANN_EXPORT
#endif
#ifdef FLANN_DEPRECATED
#undef FLANN_DEPRECATED
#endif
#ifdef __GNUC__
#define FLANN_DEPRECATED __attribute__ ((deprecated))
#elif defined(_MSC_VER)
#define FLANN_DEPRECATED __declspec(deprecated)
#else
#pragma message("WARNING: You need to implement FLANN_DEPRECATED for this compiler")
#define FLANN_DEPRECATED
#endif
#undef FLANN_PLATFORM_32_BIT
#undef FLANN_PLATFORM_64_BIT
#if __amd64__ || __x86_64__ || _WIN64 || _M_X64
#define FLANN_PLATFORM_64_BIT
#else
#define FLANN_PLATFORM_32_BIT
#endif
#undef FLANN_ARRAY_LEN
#define FLANN_ARRAY_LEN(a) (sizeof(a)/sizeof(a[0]))
namespace cvflann {
/* Nearest neighbour index algorithms */
enum flann_algorithm_t
{
FLANN_INDEX_LINEAR = 0,
FLANN_INDEX_KDTREE = 1,
FLANN_INDEX_KMEANS = 2,
FLANN_INDEX_COMPOSITE = 3,
FLANN_INDEX_KDTREE_SINGLE = 4,
FLANN_INDEX_HIERARCHICAL = 5,
FLANN_INDEX_LSH = 6,
FLANN_INDEX_SAVED = 254,
FLANN_INDEX_AUTOTUNED = 255,
// deprecated constants, should use the FLANN_INDEX_* ones instead
LINEAR = 0,
KDTREE = 1,
KMEANS = 2,
COMPOSITE = 3,
KDTREE_SINGLE = 4,
SAVED = 254,
AUTOTUNED = 255
};
enum flann_centers_init_t
{
FLANN_CENTERS_RANDOM = 0,
FLANN_CENTERS_GONZALES = 1,
FLANN_CENTERS_KMEANSPP = 2,
// deprecated constants, should use the FLANN_CENTERS_* ones instead
CENTERS_RANDOM = 0,
CENTERS_GONZALES = 1,
CENTERS_KMEANSPP = 2
};
enum flann_log_level_t
{
FLANN_LOG_NONE = 0,
FLANN_LOG_FATAL = 1,
FLANN_LOG_ERROR = 2,
FLANN_LOG_WARN = 3,
FLANN_LOG_INFO = 4,
};
enum flann_distance_t
{
FLANN_DIST_EUCLIDEAN = 1,
FLANN_DIST_L2 = 1,
FLANN_DIST_MANHATTAN = 2,
FLANN_DIST_L1 = 2,
FLANN_DIST_MINKOWSKI = 3,
FLANN_DIST_MAX = 4,
FLANN_DIST_HIST_INTERSECT = 5,
FLANN_DIST_HELLINGER = 6,
FLANN_DIST_CHI_SQUARE = 7,
FLANN_DIST_CS = 7,
FLANN_DIST_KULLBACK_LEIBLER = 8,
FLANN_DIST_KL = 8,
// deprecated constants, should use the FLANN_DIST_* ones instead
EUCLIDEAN = 1,
MANHATTAN = 2,
MINKOWSKI = 3,
MAX_DIST = 4,
HIST_INTERSECT = 5,
HELLINGER = 6,
CS = 7,
KL = 8,
KULLBACK_LEIBLER = 8
};
enum flann_datatype_t
{
FLANN_INT8 = 0,
FLANN_INT16 = 1,
FLANN_INT32 = 2,
FLANN_INT64 = 3,
FLANN_UINT8 = 4,
FLANN_UINT16 = 5,
FLANN_UINT32 = 6,
FLANN_UINT64 = 7,
FLANN_FLOAT32 = 8,
FLANN_FLOAT64 = 9
};
enum
{
FLANN_CHECKS_UNLIMITED = -1,
FLANN_CHECKS_AUTOTUNED = -2
};
}
#endif /* OPENCV_FLANN_DEFINES_H_ */
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