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#ifndef __OPENCV_PRECOMP_HPP__
#define __OPENCV_PRECOMP_HPP__

#include <stdexcept>
#include <iostream>
#include <ctime>
#include <algorithm>
#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/video.hpp"
#include "opencv2/features2d.hpp"
#include "opencv2/calib3d.hpp"

#include "opencv2/core/private.hpp"

// some aux. functions

inline float sqr(float x) { return x * x; }

inline float intensity(const cv::Point3_<uchar> &bgr)
{
    return 0.3f*bgr.x + 0.59f*bgr.y + 0.11f*bgr.z;
}

#endif
