Roland Conybeare
92df7ca236
git-subtree-dir: xo-ratio git-subtree-mainline:b4c2b98a88git-subtree-split:d18e9afc1d
29 lines
733 B
C++
29 lines
733 B
C++
/** @file ratio_concept.hpp
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*
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* Author: Roland Conybeare
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**/
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#pragma once
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#include "numeric_concept.hpp"
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namespace xo {
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namespace ratio {
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/* also expect:
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* Ratio::num_type / Ratio::den_type rounds towards -inf
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*/
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template <typename Ratio>
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concept ratio_concept = requires(Ratio ratio)
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{
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typename Ratio::component_type;
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typename Ratio::component_type;
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{ ratio.num() } -> std::same_as<typename Ratio::component_type>;
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{ ratio.den() } -> std::same_as<typename Ratio::component_type>;
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} && numeric_concept<typename Ratio::component_type>;
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} /*namespace ratio*/
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} /*namespace xo*/
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/** end ratio_concept.hpp **/
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