13 lines
329 B
C++
13 lines
329 B
C++
/* @file ratio_concept.hpp */
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#pragma once
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#include <concepts>
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namespace xo {
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namespace unit {
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template <typename Ratio>
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concept ratio_concept = (std::is_signed_v<decltype(Ratio::num)>
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&& std::is_signed_v<decltype(Ratio::den)>);
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} /*namespace unit*/
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} /*namespace xo*/
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