opencv/modules/flann/include/opencv2/flann/general.h

151 lines
3.5 KiB
C++

/***********************************************************************
* 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 _OPENCV_GENERAL_H_
#define _OPENCV_GENERAL_H_
#ifdef __cplusplus
#include <stdexcept>
#include <cassert>
#include "opencv2/flann/object_factory.h"
namespace cvflann {
#undef ARRAY_LEN
#define ARRAY_LEN(a) (sizeof(a)/sizeof(a[0]))
/* Nearest neighbour index algorithms */
enum flann_algorithm_t {
LINEAR = 0,
KDTREE = 1,
KMEANS = 2,
COMPOSITE = 3,
SAVED = 254,
AUTOTUNED = 255
};
enum flann_centers_init_t {
CENTERS_RANDOM = 0,
CENTERS_GONZALES = 1,
CENTERS_KMEANSPP = 2
};
enum flann_log_level_t {
LOG_NONE = 0,
LOG_FATAL = 1,
LOG_ERROR = 2,
LOG_WARN = 3,
LOG_INFO = 4
};
enum flann_distance_t {
EUCLIDEAN = 1,
MANHATTAN = 2,
MINKOWSKI = 3,
MAX_DIST = 4,
HIK = 5,
HELLINGER = 6,
CS = 7,
CHI_SQUARE = 7,
KL = 8,
KULLBACK_LEIBLER = 8
};
enum flann_datatype_t {
INT8 = 0,
INT16 = 1,
INT32 = 2,
INT64 = 3,
UINT8 = 4,
UINT16 = 5,
UINT32 = 6,
UINT64 = 7,
FLOAT32 = 8,
FLOAT64 = 9
};
template <typename ELEM_TYPE>
struct DistType
{
typedef ELEM_TYPE type;
};
template <>
struct DistType<unsigned char>
{
typedef float type;
};
template <>
struct DistType<int>
{
typedef float type;
};
class FLANNException : public std::runtime_error {
public:
FLANNException(const char* message) : std::runtime_error(message) { }
FLANNException(const std::string& message) : std::runtime_error(message) { }
};
struct CV_EXPORTS IndexParams {
protected:
IndexParams(flann_algorithm_t algorithm_) : algorithm(algorithm_) {};
public:
virtual ~IndexParams() {}
virtual flann_algorithm_t getIndexType() const = 0;
virtual void print() const = 0;
flann_algorithm_t algorithm;
};
typedef ObjectFactory<IndexParams, flann_algorithm_t> ParamsFactory;
CV_EXPORTS ParamsFactory& ParamsFactory_instance();
struct CV_EXPORTS SearchParams {
SearchParams(int checks_ = 32) :
checks(checks_) {};
int checks;
};
} // namespace cvflann
#endif
#endif /* _OPENCV_GENERAL_H_ */