vector.hpp

#ifndef OPENEV_CONTAINERS_VECTOR_HPP
#define OPENEV_CONTAINERS_VECTOR_HPP
 
#include "openev/core/types.hpp"
#include <numeric>
#include <opencv2/core/types.hpp>
#include <vector>
 
namespace ev {
template <typename T>
class Vector_ : public std::vector<Event_<T>> {
  using std::vector<Event_<T>>::vector;
 
public:
  [[nodiscard]] inline double duration() const {
    return std::vector<ev::Event_<T>>::back().t - std::vector<ev::Event_<T>>::front().t;
  }

  [[nodiscard]] inline double rate() const {
    return std::vector<ev::Event_<T>>::size() / duration();
  }

  [[nodiscard]] inline Eventd mean() const {
    const double x = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.x; }) / std::vector<ev::Event_<T>>::size();
    const double y = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.y; }) / std::vector<ev::Event_<T>>::size();
    const double t = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.t; }) / std::vector<ev::Event_<T>>::size();
    const double p = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.p; }) / std::vector<ev::Event_<T>>::size();
    return {x, y, t, p > 0.5};
  }

  [[nodiscard]] inline cv::Point2d meanPoint() const {
    const double x = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.x; }) / std::vector<ev::Event_<T>>::size();
    const double y = std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.y; }) / std::vector<ev::Event_<T>>::size();
    return {x, y};
  }

  [[nodiscard]] inline double meanTime() const {
    return std::accumulate(std::vector<ev::Event_<T>>::begin(), std::vector<ev::Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.t; }) / std::vector<ev::Event_<T>>::size();
  }

  [[nodiscard]] inline double midTime() const {
    return 0.5 * (std::vector<ev::Event_<T>>::front().t + std::vector<ev::Event_<T>>::back().t);
  }
};
using Vectori = Vector_<int>;    
using Vectorl = Vector_<long>;   
using Vectorf = Vector_<float>;  
using Vectord = Vector_<double>; 
using Vector = Vectori;          
} // namespace ev
 
#endif // OPENEV_CONTAINERS_VECTOR_HPP