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66 lines
3.2 KiB
C++
66 lines
3.2 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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#include "units/ratio.h"
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namespace {
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using namespace units;
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template<Ratio R1, Ratio R2>
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inline constexpr bool same = R1::num == R2::num && R1::den == R2::den;
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static_assert(same<ratio<2, 4>, ratio<1, 2>>);
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static_assert(std::is_same_v<ratio_multiply<ratio<4>, ratio<1, 8>>, ratio<1, 2>>);
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static_assert(std::is_same_v<ratio_multiply<ratio<4>, ratio<1, 2>>, ratio<2>>);
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static_assert(std::is_same_v<ratio_multiply<ratio<1, 8>, ratio<2>>, ratio<1, 4>>);
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static_assert(std::is_same_v<ratio_multiply<ratio<1, 2>, ratio<8>>, ratio<4>>);
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static_assert(std::is_same_v<ratio_divide<ratio<4>, ratio<2>>, ratio<2>>);
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static_assert(std::is_same_v<ratio_divide<ratio<2>, ratio<8>>, ratio<1, 4>>);
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static_assert(std::is_same_v<ratio_divide<ratio<1, 8>, ratio<2>>, ratio<1, 16>>);
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static_assert(std::is_same_v<ratio_divide<ratio<6>, ratio<3>>, ratio<2>>);
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static_assert(std::is_same_v<ratio_pow<ratio<2>, 0>, ratio<1>>);
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static_assert(std::is_same_v<ratio_pow<ratio<2>, 1>, ratio<2>>);
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static_assert(std::is_same_v<ratio_pow<ratio<2>, 2>, ratio<4>>);
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static_assert(std::is_same_v<ratio_pow<ratio<2>, 3>, ratio<8>>);
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static_assert(std::is_same_v<ratio_pow<ratio<1, 2>, 0>, ratio<1>>);
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static_assert(std::is_same_v<ratio_pow<ratio<1, 2>, 1>, ratio<1, 2>>);
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static_assert(std::is_same_v<ratio_pow<ratio<1, 2>, 2>, ratio<1, 4>>);
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static_assert(std::is_same_v<ratio_pow<ratio<1, 2>, 3>, ratio<1, 8>>);
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static_assert(std::is_same_v<ratio_sqrt<ratio<9>>, ratio<3>>);
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static_assert(std::is_same_v<ratio_sqrt<ratio<4>>, ratio<2>>);
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static_assert(std::is_same_v<ratio_sqrt<ratio<1>>, ratio<1>>);
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static_assert(std::is_same_v<ratio_sqrt<ratio<0>>, ratio<0>>);
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static_assert(std::is_same_v<ratio_sqrt<ratio<1, 4>>, ratio<1, 2>>);
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// common_ratio
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static_assert(std::is_same_v<common_ratio<ratio<1>, ratio<1000>>, ratio<1>>);
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static_assert(std::is_same_v<common_ratio<ratio<1000>, ratio<1>>, ratio<1>>);
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static_assert(std::is_same_v<common_ratio<ratio<1>, ratio<1, 1000>>, ratio<1, 1000>>);
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static_assert(std::is_same_v<common_ratio<ratio<1, 1000>, ratio<1>>, ratio<1, 1000>>);
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} // namespace
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