pg_line.hpp

Go to the documentation of this file.

// The template and inpoints for the -*- C++ -*- 3d line classes.
// Initially implemented by Wai-Shing Luk <luk036@gmail.com>
//
 
#pragma once
 
#include "pg_common.hpp"
#include "pg_object.hpp"
 
namespace fun {
 
    // Forward declarations.
 
    template <Ring _K> struct pg_point;
 
    template <Ring _K> struct pg_line : pg_object<_K, pg_line<_K>, pg_point<_K>> {
        using _Base = pg_object<_K, pg_line<_K>, pg_point<_K>>;
        using _Base2 = std::array<_K, 3>;
 
        constexpr explicit pg_line(const _Base2& a) : _Base{a} {}
 
        constexpr pg_line(const _K& x, const _K& y, const _K& z) : _Base{_Base2{x, y, z}} {}
    };
 
    template <Ring _K> constexpr auto meet(const pg_line<_K>& ln_l, const pg_line<_K>& ln_m)
        -> pg_point<_K> {
        return ln_l * ln_m;
    }
 
}  // namespace fun