forked from mpusz/mp-units
75 lines
2.6 KiB
C++
75 lines
2.6 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/concepts.h>
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#include <units/quantity.h>
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#include <cmath>
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#include <limits>
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namespace units {
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template<std::intmax_t N, typename D, typename U, typename Rep>
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requires(N == 0)
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inline Rep pow(const quantity<D, U, Rep>&) noexcept
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{
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return 1;
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}
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template<std::intmax_t N, typename D, typename U, typename Rep>
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requires(N != 0)
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inline Quantity AUTO pow(const quantity<D, U, Rep>& q) noexcept
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requires requires { std::pow(q.count(), N); }
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{
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using dim = dimension_pow<D, N>;
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using ratio = ratio_pow<typename U::ratio, N>;
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using unit = downcast_unit<dim, ratio>;
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return quantity<dim, unit, Rep>(static_cast<Rep>(std::pow(q.count(), N)));
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}
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template<typename D, typename U, typename Rep>
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inline Quantity AUTO sqrt(const quantity<D, U, Rep>& q) noexcept
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requires requires { std::sqrt(q.count()); }
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{
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using dim = dimension_sqrt<D>;
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using ratio = ratio_sqrt<typename U::ratio>;
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using unit = downcast_unit<dim, ratio>;
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return quantity<dim, unit, Rep>(static_cast<Rep>(std::sqrt(q.count())));
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}
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template<typename D, typename U, typename Rep>
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constexpr Quantity AUTO abs(const quantity<D, U, Rep>& q) noexcept
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requires requires { std::abs(q.count()); }
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{
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return quantity<D, U, Rep>(std::abs(q.count()));
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}
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template<Quantity Q>
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requires requires { std::numeric_limits<typename Q::rep>::epsilon(); }
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constexpr Quantity AUTO epsilon() noexcept
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{
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return Q(std::numeric_limits<typename Q::rep>::epsilon());
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}
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} // namespace units
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