vector.hpp

 
#ifndef OPENEV_CONTAINERS_VECTOR_HPP
#define OPENEV_CONTAINERS_VECTOR_HPP
 
#include "openev/containers/array.hpp"
#include "openev/containers/queue.hpp"
#include "openev/core/types.hpp"
#include <cstddef>
#include <numeric>
#include <utility>
#include <vector>
 
namespace ev {
#ifndef OPENEV_ARRAY_HPP
template <typename T, std::size_t N>
class Array_;
#endif
 
#ifndef OPENEV_QUEUE_HPP
template <typename T>
class Queue_;
#endif
template <typename T>
class Vector_ : public std::vector<Event_<T>> {
  using std::vector<Event_<T>>::vector;
 
public:
  inline void push_back(const Event_<T> &e) {
    std::vector<Event_<T>>::push_back(e);
  }
  template <std::size_t N>
  inline void push_back(const Array_<T, N> &array) {
    std::vector<Event_<T>>::reserve(std::vector<Event_<T>>::size() + array.size());
    std::vector<Event_<T>>::insert(std::vector<Event_<T>>::end(), array.begin(), array.end());
  }
 
  [[nodiscard]] inline double duration() const {
    return std::vector<Event_<T>>::back().t - std::vector<Event_<T>>::front().t;
  }
 
  [[nodiscard]] inline double rate() const {
    return std::vector<Event_<T>>::size() / duration();
  }
 
  [[nodiscard]] Eventd mean() const {
    const double x = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.x; }) / std::vector<Event_<T>>::size();
    const double y = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.y; }) / std::vector<Event_<T>>::size();
    const double t = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.t; }) / std::vector<Event_<T>>::size();
    const double p = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.p; }) / std::vector<Event_<T>>::size();
    return {x, y, t, p > 0.5};
  }
 
  [[nodiscard]] inline cv::Point2d meanPoint() const {
    const double x = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.x; }) / std::vector<Event_<T>>::size();
    const double y = std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.y; }) / std::vector<Event_<T>>::size();
    return {x, y};
  }
 
  [[nodiscard]] inline double meanTime() const {
    return std::accumulate(std::vector<Event_<T>>::begin(), std::vector<Event_<T>>::end(), 0.0, [](double sum, const Event_<T> &e) { return sum + e.t; }) / std::vector<Event_<T>>::size();
  }
 
  [[nodiscard]] inline double midTime() const {
    return 0.5 * (std::vector<Event_<T>>::front().t + std::vector<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