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feat: point_from added to quantity_point

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Mateusz Pusz
2023-08-01 22:06:15 +02:00
parent 0292048252
commit 1328ae4245
1 changed files with 11 additions and 0 deletions
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11
src/core/include/mp-units/quantity_point.h
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@@ -139,6 +139,17 @@ public:
quantity_point& operator=(const quantity_point&) = default;
quantity_point& operator=(quantity_point&&) = default;
template<PointOriginFor<quantity_spec> NewPO>
[[nodiscard]] constexpr QuantityPointOf<NewPO{}> auto point_from(NewPO origin) const
{
if constexpr (detail::is_derived_from_specialization_of_relative_point_origin<NewPO>) {
auto q = absolute() - origin.parent_origin.absolute();
return quantity_point<reference, NewPO{}, typename decltype(q)::rep>(std::move(q));
} else {
return quantity_point<reference, NewPO{}, Rep>(absolute());
}
}
// data access
#ifdef __cpp_explicit_this_parameter
template<typename Self>