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

math_test enabled

Browse Source
This commit is contained in:
Mateusz Pusz
2019-12-06 12:56:44 +01:00
parent 71eec182f9
commit 33f14f39f3
4 changed files with 17 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/include/units/derived_dimension.h
View File

@@ -408,8 +408,13 @@ struct dimension_pow_impl<D, N> {
using type = downcast<derived_dimension<exp<D, N>>>;
};
template<BaseDimension D>
struct dimension_pow_impl<D, 1> {
using type = D;
};
template<BaseDimension D, std::size_t N>
struct dimension_pow_impl<exp<D, 1, N>, N> {
struct dimension_pow_impl<derived_dimension<exp<D, 1, N>>, N> {
using type = D;
};

12
src/include/units/math.h
View File

@@ -38,16 +38,18 @@ namespace units {
inline Quantity AUTO pow(const quantity<D, U, Rep>& q) noexcept
{
using dim = dimension_pow<D, N>;
using r = ratio_pow<typename U::ratio, N>;
return quantity<dim, downcast<scaled_unit<typename dim::coherent_unit::reference, r>>, Rep>(static_cast<Rep>(std::pow(q.count(), N)));
using ratio = ratio_pow<typename U::ratio, N>;
using unit = detail::unit_for_dimension<dim, ratio>;
return quantity<dim, unit, Rep>(static_cast<Rep>(std::pow(q.count(), N)));
}
template<typename D, typename U, typename Rep>
inline Quantity AUTO sqrt(const quantity<D, U, Rep>& q) noexcept
{
using dim = dimension_sqrt<typename U::dimension>;
using r = ratio_sqrt<typename U::ratio>;
return quantity<dim, downcast<scaled_unit<typename dim::coherent_unit::reference, r>>, Rep>(static_cast<Rep>(std::sqrt(q.count())));
using dim = dimension_sqrt<D>;
using ratio = ratio_sqrt<typename U::ratio>;
using unit = detail::unit_for_dimension<dim, ratio>;
return quantity<dim, unit, Rep>(static_cast<Rep>(std::sqrt(q.count())));
}
} // namespace units

2
test/unit_test/static/CMakeLists.txt
View File

@@ -25,7 +25,7 @@ add_library(unit_tests_static
# custom_unit_test.cpp
dimension_test.cpp
# fixed_string_test.cpp
# math_test.cpp
math_test.cpp
# new_design.cpp
quantity_test.cpp
ratio_test.cpp

6
test/unit_test/static/math_test.cpp
View File

@@ -20,13 +20,13 @@
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "units/dimensions/area.h"
#include "units/physical/si/area.h"
#include "units/math.h"
using namespace units;
namespace {
using namespace units::si::literals;
static_assert(std::is_same_v<decltype(pow<0>(2m)), std::int64_t>);
static_assert(std::is_same_v<decltype(pow<1>(2m)), decltype(2m)>);
static_assert(std::is_same_v<decltype(pow<2>(2m)), decltype(4sq_m)>);