helper.h

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#ifndef HELPER_H
#define HELPER_H
 
 
#include <algorithm>
#include <cassert>
#include <cmath>
#include <string>
#include <vector>
 
std::string bool_to_str(const bool b) noexcept;
 
double calc_angle_degrees(const double dx, const double dy);
 
double calc_angle_radians(const double dx, const double dy);
 
double calc_distance(const double dx, const double dy) noexcept;
 
template <class T> bool is_close(const T& lhs, const T& rhs, const T& max)
{
  return std::abs(lhs - rhs) < max;
}
 
template <class T> bool is_present_in(
  const T& element,
  const std::vector<T>& collection
)
{
  return std::find(
    std::begin(collection),
    std::end(collection),
    element
  ) != std::end(collection);
}
 
std::vector<int> make_sequence(
  const int from,
  const int to,
  const int increment = 1
);
 
std::vector<std::string> read_lines(const std::string& filename);
 
template <class T>
void remove_first(T& v)
{
  assert(!v.empty());
  v.erase(v.begin());
}
 
std::vector<std::string> split_str(
  const std::string& s,
  const char seperator = ' '
);
 
void test_helper();
 
std::wstring to_wstring(const std::string s);
 
#endif // HELPER_H