general.h

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#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_ */

---

opencv2
Author(s): Gary Bradski and many others. See web page for a full contributor list. ROS package maintained by James Bowman.
autogenerated on Fri Jan 11 10:00:42 2013