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dimension_traits and unit_traits merged as upcasting_traits

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Mateusz Pusz
2018-11-17 12:39:45 +01:00
parent 45f7b4f19f
commit ee7518d0a1
8 changed files with 41 additions and 48 deletions
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src/include/units/dimension.h
+2 -10
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@@ -84,14 +84,6 @@ namespace units {
template<Exponent E>
using exp_invert_t = typename exp_invert<E>::type;
// dimension_traits
template<typename T>
struct dimension_traits : std::type_identity<T> {};
template<typename T>
using dimension_traits_t = typename dimension_traits<T>::type;
// dimension
template<Exponent... Es>
@@ -121,7 +113,7 @@ namespace units {
struct dim_invert;
template<Exponent... Es>
struct dim_invert<dimension<Es...>> : std::type_identity<dimension_traits_t<dimension<exp_invert_t<Es>...>>> {};
struct dim_invert<dimension<Es...>> : std::type_identity<upcasting_traits_t<dimension<exp_invert_t<Es>...>>> {};
template<Dimension D>
using dim_invert_t = typename dim_invert<typename D::base_type>::type;
@@ -176,7 +168,7 @@ namespace units {
struct dimension_multiply;
template<Exponent... E1, Exponent... E2>
struct dimension_multiply<dimension<E1...>, dimension<E2...>> : std::type_identity<dimension_traits_t<make_dimension_t<E1..., E2...>>> {};
struct dimension_multiply<dimension<E1...>, dimension<E2...>> : std::type_identity<upcasting_traits_t<make_dimension_t<E1..., E2...>>> {};
template<Dimension D1, Dimension D2>
using dimension_multiply_t = typename dimension_multiply<typename D1::base_type, typename D2::base_type>::type;