geometry/base.hpp

• View this file on GitHub
• Last update: 2023-07-08 14:12:19+09:00
• Include: #include "geometry/base.hpp"

Required by

• geometry/line.hpp
• geometry/point.hpp
• geometry/product.hpp
• geometry/projection.hpp

Code

#pragma once

#include <cmath>

namespace matumoto {
  using namespace std;
  using Real = double;

  constexpr Real PI = M_PI;
  constexpr Real EPS = 1e-9;

  inline int sign(Real a) {
    if (a < -EPS)
      return -1;
    if (a > +EPS)
      return +1;
    return 0;
  }

  inline bool equals(Real a, Real b) {
    return sign(a - b) == 0;
  }
} // namespace matumoto

#line 2 "geometry/base.hpp"

#include <cmath>

namespace matumoto {
  using namespace std;
  using Real = double;

  constexpr Real PI = M_PI;
  constexpr Real EPS = 1e-9;

  inline int sign(Real a) {
    if (a < -EPS)
      return -1;
    if (a > +EPS)
      return +1;
    return 0;
  }

  inline bool equals(Real a, Real b) {
    return sign(a - b) == 0;
  }
} // namespace matumoto

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