turns.hpp

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#ifndef TURNS_HPP
#define TURNS_HPP

 
namespace turns {
 
extern const double one_sixth_turn;
extern const double one_third_turn;
extern const double one_half_turn;
extern const double two_thirds_turn;
extern const double five_sixths_turn;
extern const double one_eighth_turn;
extern const double three_eighths_turn;
extern const double five_eighths_turn;
extern const double seven_eighths_turn;
extern const double one_quarter_turn;
extern const double three_quarters_turn;
extern const double full_turn;
 
constexpr double PI = 3.141592653589793;
 
constexpr double turns_to_radians(double turns) { return turns * 2.0 * PI; }
constexpr double radians_to_turns(double radians) { return radians / (2.0 * PI); }
constexpr double turns_to_degrees(double turns) { return turns * 360.0; }
constexpr double degrees_to_turns(double degrees) { return degrees / 360.0; }
 
}; // namespace turns





 
#endif // TURNS_HPP