mpusz/mp-units
1
0
Fork 1
mirror of https://github.com/mpusz/mp-units.git synced 2025-07-31 19:04:27 +02:00
Code Issues Packages Projects Releases Wiki Activity

Concepts removed from unit related utilities to increase compile-times

Browse Source
This commit is contained in:
Mateusz Pusz
2019-08-08 22:31:22 +02:00
parent eb5ff0bf99
commit 33b6fa9f3f
1 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/include/units/unit.h
View File

@@ -42,7 +42,7 @@ namespace std::experimental::units {
template<typename T>
inline constexpr bool is_unit = false;
template<Dimension D, Ratio R>
template<typename D, typename R>
inline constexpr bool is_unit<unit<D, R>> = true;
}
@@ -57,36 +57,36 @@ namespace std::experimental::units {
namespace detail {
template<Dimension D>
template<typename D>
struct get_unit_base_dim;
template<Exponent E, Exponent... Rest>
template<typename E, typename... Rest>
struct get_unit_base_dim<dimension<E, Rest...>> {
static_assert(sizeof...(Rest) == 0, "Base unit expected");
using dimension = E::dimension;
};
template<typename BaseDimension, Unit... Us>
template<typename BaseDimension, typename... Us>
struct get_ratio {
using ratio = ::std::experimental::units::ratio<1>;
};
template<typename BaseDimension, Unit U, Unit... Rest>
template<typename BaseDimension, typename U, typename... Rest>
struct get_ratio<BaseDimension, U, Rest...> {
using unit_base_dim = get_unit_base_dim<typename U::dimension::base_type>::dimension;
using ratio = conditional<unit_base_dim::value == BaseDimension::value, typename U::ratio,
typename get_ratio<BaseDimension, Rest...>::ratio>;
};
template<Ratio Result, int UnitExpValue, Ratio UnitRatio>
template<typename Result, int UnitExpValue, typename UnitRatio>
struct ratio_op;
template<Ratio Result, Ratio UnitRatio>
template<typename Result, typename UnitRatio>
struct ratio_op<Result, 0, UnitRatio> {
using ratio = Result;
};
template<Ratio Result, int UnitExpValue, Ratio UnitRatio>
template<typename Result, int UnitExpValue, typename UnitRatio>
struct ratio_op {
using calc_ratio = conditional<(UnitExpValue > 0), ratio_multiply<Result, UnitRatio>,
ratio_divide<Result, UnitRatio>>;
@@ -94,15 +94,15 @@ namespace std::experimental::units {
using ratio = ratio_op<calc_ratio, value, UnitRatio>::ratio;
};
template<Dimension D, Unit... Us>
template<typename D, typename... Us>
struct derived_ratio;
template<Unit... Us>
template<typename... Us>
struct derived_ratio<dimension<>, Us...> {
using ratio = ::std::experimental::units::ratio<1>;
};
template<Exponent E, Exponent... Rest, Unit... Us>
template<typename E, typename... Rest, typename... Us>
struct derived_ratio<dimension<E, Rest...>, Us...> {
using rest_ratio = derived_ratio<dimension<Rest...>, Us...>::ratio;
using e_ratio = get_ratio<typename E::dimension, Us...>::ratio;