37 lines
1,016 B
C++
37 lines
1,016 B
C++
/** @file quantity_ops.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 "quantity_concept.hpp"
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namespace xo {
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namespace qty {
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/** note: won't have constexpr result until c++26 (when @c sqrt(), @c pow() are constexpr)
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**/
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template <typename Quantity, typename Quantity2>
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requires quantity_concept<Quantity> && quantity_concept<Quantity2>
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constexpr auto
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operator== (const Quantity & x, const Quantity2 & y)
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{
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return (Quantity::compare(x, y) == 0);
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}
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/** note: won't have constexpr result until c++26 (when @c sqrt(), @c pow() are constexpr)
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**/
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template <typename Quantity, typename Quantity2>
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requires quantity_concept<Quantity> && quantity_concept<Quantity2>
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constexpr auto
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operator<=> (const Quantity & x, const Quantity2 & y)
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{
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return Quantity::compare(x, y);
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}
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} /*namespace qty*/
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} /*namespace xo*/
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/** end quantity_ops.hpp **/
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