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mp-units/src/include/units/physical/si/area.h
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// The MIT License (MIT)
//
// Copyright (c) 2018 Mateusz Pusz
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma once
#include <units/physical/dimensions.h>
#include <units/physical/si/length.h>
#include <units/quantity.h>
namespace units::si {
struct square_metre : unit<square_metre> {};
struct dim_area : physical::dim_area<dim_area, square_metre, dim_length> {};
struct square_millimetre : deduced_unit<square_millimetre, dim_area, millimetre> {};
struct square_centimetre : deduced_unit<square_centimetre, dim_area, centimetre> {};
struct square_femtometre : deduced_unit<square_femtometre, dim_area, femtometre> {};
struct square_kilometre : deduced_unit<square_kilometre, dim_area, kilometre> {};
struct hectare : deduced_unit<hectare, dim_area, hectometre> {};
template<Unit U, Scalar Rep = double>
using area = quantity<dim_area, U, Rep>;
inline namespace literals {
// m2
constexpr auto operator"" q_m2(unsigned long long l) { return area<square_metre, std::int64_t>(l); }
constexpr auto operator"" q_m2(long double l) { return area<square_metre, long double>(l); }
// mm2
constexpr auto operator"" q_mm2(unsigned long long l) { return area<square_millimetre, std::int64_t>(l); }
constexpr auto operator"" q_mm2(long double l) { return area<square_millimetre, long double>(l); }
// cm2
constexpr auto operator"" q_cm2(unsigned long long l) { return area<square_centimetre, std::int64_t>(l); }
constexpr auto operator"" q_cm2(long double l) { return area<square_centimetre, long double>(l); }
// fm2
constexpr auto operator"" q_fm2(unsigned long long l) { return area<square_femtometre, std::int64_t>(l); }
constexpr auto operator"" q_fm2(long double l) { return area<square_femtometre, long double>(l); }
// km2
constexpr auto operator"" q_km2(unsigned long long l) { return area<square_kilometre, std::int64_t>(l); }
constexpr auto operator"" q_km2(long double l) { return area<square_kilometre, long double>(l); }
// ha
constexpr auto operator"" q_ha(unsigned long long l) { return area<hectare, std::int64_t>(l); }
constexpr auto operator"" q_ha(long double l) { return area<hectare, long double>(l); }
} // namespace literals
} // namespace units::si