geometry/base.hpp

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• Last update: 2024-04-27 01:27:28+09:00
• Include: #include "geometry/base.hpp"

Required by

• geometry/angle.hpp
• geometry/area.hpp
• geometry/ccw.hpp
• geometry/circle.hpp
• geometry/common_area_cp.hpp
• geometry/contains.hpp
• geometry/convex_hull.hpp
• geometry/convex_polygon_contains.hpp
• geometry/convex_polygon_cut.hpp
• geometry/convex_polygon_diameter.hpp
• geometry/cross_point_cc.hpp
• geometry/cross_point_cl.hpp
• geometry/cross_point_cs.hpp
• geometry/cross_point_ll.hpp
• geometry/distance_ll.hpp
• geometry/distance_lp.hpp
• geometry/distance_pp.hpp
• geometry/distance_sp.hpp
• geometry/distance_ss.hpp
• geometry/is_convex_polygon.hpp
• geometry/is_intersect_cl.hpp
• geometry/is_intersect_cp.hpp
• geometry/is_intersect_cs.hpp
• geometry/is_intersect_ll.hpp
• geometry/is_intersect_lp.hpp
• geometry/is_intersect_ls.hpp
• geometry/is_intersect_sp.hpp
• geometry/is_intersect_ss.hpp
• geometry/is_orthogonal.hpp
• geometry/is_parallel.hpp
• geometry/line.hpp
• geometry/point.hpp
• geometry/polygon.hpp
• geometry/projection.hpp
• geometry/reflection.hpp
• geometry/segment.hpp

Verified with

• test/verify/aoj-0412.test.cpp
• test/verify/aoj-cgl-1-a.test.cpp
• test/verify/aoj-cgl-1-b.test.cpp
• test/verify/aoj-cgl-1-c.test.cpp
• test/verify/aoj-cgl-2-a.test.cpp
• test/verify/aoj-cgl-2-b.test.cpp
• test/verify/aoj-cgl-2-c.test.cpp
• test/verify/aoj-cgl-2-d.test.cpp
• test/verify/aoj-cgl-3-a.test.cpp
• test/verify/aoj-cgl-3-b.test.cpp
• test/verify/aoj-cgl-3-c.test.cpp
• test/verify/aoj-cgl-4-a.test.cpp
• test/verify/aoj-cgl-4-b.test.cpp
• test/verify/aoj-cgl-4-c.test.cpp
• test/verify/aoj-cgl-7-d.test.cpp
• test/verify/aoj-cgl-7-e.test.cpp
• test/verify/aoj-cgl-7-h.test.cpp

Code

#pragma once

namespace geometry {
using Real = double;
const Real EPS = 1e-8;
const Real PI = acos(static_cast<Real>(-1));

enum { OUT, ON, IN };

inline int sign(const Real &r) { return r <= -EPS ? -1 : r >= EPS ? 1 : 0; }

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

#line 2 "geometry/base.hpp"

namespace geometry {
using Real = double;
const Real EPS = 1e-8;
const Real PI = acos(static_cast<Real>(-1));

enum { OUT, ON, IN };

inline int sign(const Real &r) { return r <= -EPS ? -1 : r >= EPS ? 1 : 0; }

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

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