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#include "src/geometry/R2/class/segment.hpp"
#pragma once #include "src/geometry/R2/class/point.hpp" #include <cassert> #include <vector> namespace luz::R2 { template < typename R > class Segment { Point< R > p0_, p1_; public: Segment() = default; Segment(Point< R > p0, Point< R > p1): p0_(p0), p1_(p1) {} Point< R > p0() const { return p0_; } Point< R > p1() const { return p1_; } }; template < typename R > using Segments = std::vector< Segment< R > >; } // namespace luz::R2
#line 2 "src/geometry/R2/class/segment.hpp" #line 2 "src/geometry/R2/class/point.hpp" #line 2 "src/geometry/R2/class/vector.hpp" #line 2 "src/geometry/R2/utility/equals.hpp" #line 2 "src/geometry/R2/numbers/sign.hpp" #line 2 "src/cpp-template/header/int-alias.hpp" #include <cstdint> namespace luz { using i32 = std::int32_t; using i64 = std::int64_t; using i128 = __int128_t; using u32 = std::uint32_t; using u64 = std::uint64_t; using u128 = __uint128_t; } // namespace luz #line 4 "src/geometry/R2/numbers/sign.hpp" namespace luz::numbers::sign { constexpr i32 negative = -1; constexpr i32 zero = 0; constexpr i32 positive = +1; } // namespace luz::numbers::sign #line 2 "src/geometry/R2/utility/sign.hpp" #line 2 "src/geometry/R2/numbers/eps.hpp" #include <cmath> namespace luz::R2 { long double &eps() { static long double EPS = 1e-10; return EPS; } void set_eps(long double EPS) { eps() = EPS; } } // namespace luz::R2 #line 6 "src/geometry/R2/utility/sign.hpp" namespace luz::R2 { template < typename R > i32 sign(R r) { if (r < -eps()) return numbers::sign::negative; if (r > +eps()) return numbers::sign::positive; return numbers::sign::zero; } } // namespace luz::R2 #line 5 "src/geometry/R2/utility/equals.hpp" namespace luz::R2 { template < typename R > bool equals(R r0, R r1) { return sign(r1 - r0) == numbers::sign::zero; } } // namespace luz::R2 #line 2 "src/geometry/R2/utility/is-fp-exception.hpp" #line 4 "src/geometry/R2/utility/is-fp-exception.hpp" namespace luz::R2 { template < typename R > bool is_fp_exception(R r) { return std::isinf(r) or std::isnan(r); } } // namespace luz::R2 #line 5 "src/geometry/R2/class/vector.hpp" #include <cassert> #include <vector> namespace luz::R2 { template < typename R > class Vector { R x_, y_; public: Vector(): x_(0), y_(0) {} Vector(R x, R y): x_(x), y_(y) { assert(not is_fp_exception(x_) and not is_fp_exception(y_)); } R x() const { return x_; } R y() const { return y_; } friend bool equals(const Vector &v0, const Vector &v1) { return equals(v0.x(), v1.x()) and equals(v0.y(), v1.y()); } Vector &operator+=(const Vector &v) { x_ += v.x_; y_ += v.y_; return *this; } Vector &operator-=(const Vector &v) { x_ -= v.x_; y_ -= v.y_; return *this; } Vector operator+(const Vector &v) const { return Vector(*this) += v; } Vector operator-(const Vector &v) const { return Vector(*this) -= v; } Vector operator+() const { return *this; } Vector operator-() const { return Vector() - *this; } Vector &operator*=(const R r) { x_ *= r; y_ *= r; return *this; } Vector &operator/=(const R r) { x_ /= r; y_ /= r; return *this; } Vector operator*(const R r) const { return Vector(*this) *= r; } Vector operator/(const R r) const { return Vector(*this) /= r; } friend Vector operator*(const R r, const Vector &v) { return Vector(v) *= r; } }; template < typename R > using Vectors = std::vector< Vector< R > >; } // namespace luz::R2 #line 4 "src/geometry/R2/class/point.hpp" #line 6 "src/geometry/R2/class/point.hpp" namespace luz::R2 { template < typename R > using Point = Vector< R >; template < typename R > using Points = std::vector< Point< R > >; } // namespace luz::R2 #line 4 "src/geometry/R2/class/segment.hpp" #line 7 "src/geometry/R2/class/segment.hpp" namespace luz::R2 { template < typename R > class Segment { Point< R > p0_, p1_; public: Segment() = default; Segment(Point< R > p0, Point< R > p1): p0_(p0), p1_(p1) {} Point< R > p0() const { return p0_; } Point< R > p1() const { return p1_; } }; template < typename R > using Segments = std::vector< Segment< R > >; } // namespace luz::R2