forked from mpusz/mp-units
Mateusz Pusz
9527b39005
We had some fun exploring the STD UDLs for potential collisions, we have learnt our lesson and know how to proceed. Now is high time to start behaving and obeying C++ rules.
66 lines
2.7 KiB
C++
66 lines
2.7 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/physical/dimensions.h>
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#include <units/physical/fps/acceleration.h>
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#include <units/physical/fps/mass.h>
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#include <units/physical/si/prefixes.h>
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#include <units/quantity.h>
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namespace units::physical::fps {
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// https://en.wikipedia.org/wiki/Poundal
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struct poundal : named_unit<poundal, "pdl", no_prefix> {};
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// https://en.wikipedia.org/wiki/Pound_(force)
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struct pound_force : named_scaled_unit<pound_force, "lbf", si::prefix, ratio(32'174'049, 1'000'000), poundal> {};
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struct kilopound_force : prefixed_unit<kilopound_force, si::kilo, pound_force> {};
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// https://en.wikipedia.org/wiki/Kip_(unit),
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struct kip : alias_unit<kilopound_force, "klbf", no_prefix> {};
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struct dim_force : physical::dim_force<dim_force, poundal, dim_mass, dim_acceleration> {};
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template<Unit U, ScalableNumber Rep = double>
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using force = quantity<dim_force, U, Rep>;
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inline namespace literals {
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// poundal
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constexpr auto operator"" _q_pdl(unsigned long long l) { return force<poundal, std::int64_t>(l); }
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constexpr auto operator"" _q_pdl(long double l) { return force<poundal, long double>(l); }
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// pound force
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constexpr auto operator"" _q_lbf(unsigned long long l) { return force<pound_force, std::int64_t>(l); }
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constexpr auto operator"" _q_lbf(long double l) { return force<pound_force, long double>(l); }
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// kilopound force
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constexpr auto operator"" _q_klbf(unsigned long long l) { return force<kilopound_force, std::int64_t>(l); }
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constexpr auto operator"" _q_klbf(long double l) { return force<kilopound_force, long double>(l); }
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} // namespace literals
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} // namespace units::physical::fps
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