pg_point.hpp

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// The template and inlines for the -*- C++ -*- pg pt_p 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_line;
 
    template <Ring _K> struct pg_point : pg_object<_K, pg_point<_K>, pg_line<_K>> {
        using _Base = pg_object<_K, pg_point<_K>, pg_line<_K>>;
        using _Base2 = std::array<_K, 3>;
        // using value_type = _K;
 
        explicit pg_point(const pg_point<_K>&) = default;
 
        pg_point(pg_point<_K>&&) noexcept = default;
 
        auto operator=(const pg_point<_K>&) -> pg_point<_K>& = delete;
 
        auto operator=(pg_point<_K>&&) noexcept -> pg_point<_K>& = default;
 
        constexpr explicit pg_point(const _Base2& a) : _Base{a} {}
 
        constexpr pg_point(const _K& x, const _K& y, const _K& z) : _Base{_Base2{x, y, z}} {}
    };
 
    template <Ring _K> constexpr auto join(const pg_point<_K>& pt_p, const pg_point<_K>& pt_q)
        -> pg_line<_K> {
        return pt_p * pt_q;
    }
 
}  // namespace fun