65 lines
2.9 KiB
C++
65 lines
2.9 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 <units/length.h>
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#include <units/time.h>
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namespace units {
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struct dimension_velocity : make_dimension_t<exp<base_dim_length, 1>, exp<base_dim_time, -1>> {};
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template<> struct upcasting_traits<upcast_from<dimension_velocity>> : upcast_to<dimension_velocity> {};
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template<typename T>
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concept bool Velocity = Quantity<T> && std::Same<typename T::dimension, dimension_velocity>;
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template<Unit U = struct meter_per_second, Number Rep = double>
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using velocity = quantity<dimension_velocity, U, Rep>;
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struct meter_per_second : derived_unit<dimension_velocity, meter, second> {};
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template<> struct upcasting_traits<upcast_from<meter_per_second>> : upcast_to<meter_per_second> {};
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struct kilometer_per_hour : derived_unit<dimension_velocity, kilometer, hour> {};
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template<> struct upcasting_traits<upcast_from<kilometer_per_hour>> : upcast_to<kilometer_per_hour> {};
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struct mile_per_hour : derived_unit<dimension_velocity, mile, hour> {};
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template<> struct upcasting_traits<upcast_from<mile_per_hour>> : upcast_to<mile_per_hour> {};
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inline namespace literals {
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// mps
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constexpr auto operator""_mps(unsigned long long l) { return velocity<meter_per_second, std::int64_t>(l); }
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constexpr auto operator""_mps(long double l) { return velocity<meter_per_second, long double>(l); }
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// kmph
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constexpr auto operator""_kmph(unsigned long long l) { return velocity<kilometer_per_hour, std::int64_t>(l); }
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constexpr auto operator""_kmph(long double l) { return velocity<kilometer_per_hour, long double>(l); }
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// mph
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constexpr auto operator""_mph(unsigned long long l) { return velocity<mile_per_hour, std::int64_t>(l); }
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constexpr auto operator""_mph(long double l) { return velocity<mile_per_hour, long double>(l); }
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} // namespace literals
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} // namespace units
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