src/real-geometry/common/const/pi.hpp

• View this file on GitHub
• Last update: 2023-06-01 02:56:49+09:00
• Include: #include "src/real-geometry/common/const/pi.hpp"

Depends on

• src/real-geometry/common/float-alias.hpp

Required by

• src/real-geometry/angle/degree-to-radian.hpp
• src/real-geometry/angle/get-sighed-angle.hpp
• src/real-geometry/angle/get-smaller-angle.hpp
• src/real-geometry/angle/radian-to-degree.hpp
• src/real-geometry/area/common-area-cc.hpp

Verified with

• test/aoj/cgl/7_I.test.cpp
• test/aoj/icpc/2402.test.cpp

Code

#pragma once

#include "src/real-geometry/common/float-alias.hpp"

#include <cmath>

namespace geometry {

  static f80 pi() {
    static const f80 PI = acosl(-1); // no need `std::`. (?)
    return PI;
  }

}

#line 2 "src/real-geometry/common/const/pi.hpp"

#line 2 "src/real-geometry/common/float-alias.hpp"

namespace geometry {

  using f80 = long double;
  using f64 = double;

}
#line 4 "src/real-geometry/common/const/pi.hpp"

#include <cmath>

namespace geometry {

  static f80 pi() {
    static const f80 PI = acosl(-1); // no need `std::`. (?)
    return PI;
  }

}

Back to top page