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UnitRep extended

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Mateusz Pusz
2019-11-06 21:51:40 +00:00
parent 37ca5f7102
commit 9871cf0ed7
1 changed files with 12 additions and 4 deletions
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16
src/include/units/quantity.h
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@ -53,13 +53,21 @@ namespace units {
// UnitRep
template<typename T>
concept UnitRep = Scalar<T> &&
(treat_as_floating_point<T> == false ||
// integral
((treat_as_floating_point<T> == false &&
requires(T a, T b) {
{ a % b } -> T;
{ a++ } -> T;
{ ++a } -> T&;
{ a-- } -> T;
{ --a } -> T&;
}) ||
// floating-point
requires(T&& a) {
{ ::units::isfinite(std::forward<T>(a)) } -> bool;
{ ::units::isnan(std::forward<T>(a)) } -> bool;
::units::isfinite(std::forward<T>(a));
::units::isnan(std::forward<T>(a));
});
template<Unit U, UnitRep Rep>
class quantity;