forked from mpusz/mp-units
72 lines
3.1 KiB
C++
72 lines
3.1 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "base_dimensions.h"
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#include "../quantity.h"
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namespace units {
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struct dimension_length : make_dimension_t<exp<base_dim_length, 1>> {};
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template<> struct dimension_traits<typename dimension_length::base_type> : std::type_identity<dimension_length> {};
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struct millimeter : unit<dimension_length, std::milli> {};
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template<> struct unit_traits<typename millimeter::base_type> : std::type_identity<millimeter> {};
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struct centimeter : unit<dimension_length, std::ratio<1, 100>> {};
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template<> struct unit_traits<typename centimeter::base_type> : std::type_identity<centimeter> {};
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struct meter : unit<dimension_length, std::ratio<1>> {};
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template<> struct unit_traits<typename meter::base_type> : std::type_identity<meter> {};
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struct kilometer : unit<dimension_length, std::kilo> {};
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template<> struct unit_traits<typename kilometer::base_type> : std::type_identity<kilometer> {};
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template<Unit U = meter, Number Rep = std::intmax_t>
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using length = quantity<dimension_length, U, Rep>;
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template<typename T>
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concept bool Length = Quantity<T> && Same<typename T::dimension, dimension_length>;
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namespace literals {
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// mm
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constexpr auto operator""_mm(unsigned long long l) { return length<millimeter, std::int64_t>(l); }
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constexpr auto operator""_mm(long double l) { return length<millimeter, long double>(l); }
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// cm
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constexpr auto operator""_cm(unsigned long long l) { return length<centimeter, std::int64_t>(l); }
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constexpr auto operator""_cm(long double l) { return length<centimeter, long double>(l); }
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// m
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constexpr auto operator""_m(unsigned long long l) { return length<meter, std::int64_t>(l); }
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constexpr auto operator""_m(long double l) { return length<meter, long double>(l); }
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// km
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constexpr auto operator""_km(unsigned long long l) { return length<kilometer, std::int64_t>(l); }
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constexpr auto operator""_km(long double l) { return length<kilometer, long double>(l); }
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} // namespace literals
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} // namespace units
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