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Custom ratio type implemented

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Mateusz Pusz
2019-05-28 16:17:48 +02:00
parent 7bcc5c7b0b
commit 9c0f2c6878
11 changed files with 205 additions and 176 deletions
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test/unit_test/test_tools.cpp
+17 -14
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@@ -20,29 +20,32 @@
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "units/bits/ratio_tools.h"
#include "units/ratio.h"
namespace {
using namespace units;
// static_sign
static_assert(static_sign<2>::value == 1);
static_assert(static_sign<-3>::value == -1);
static_assert(static_sign<0>::value == 1);
template<Ratio R1, Ratio R2>
inline constexpr bool same = R1::num == R2::num && R1::den == R2::den;
// static_abs
static_assert(same<ratio<2, 4>, ratio<1, 2>>);
static_assert(static_abs<2>::value == 2);
static_assert(static_abs<-3>::value == 3);
static_assert(static_abs<0>::value == 0);
static_assert(std::is_same_v<ratio_multiply<ratio<4>, ratio<1, 8>>, ratio<1, 2>>);
static_assert(std::is_same_v<ratio_multiply<ratio<4>, ratio<1, 2>>, ratio<2>>);
static_assert(std::is_same_v<ratio_multiply<ratio<1, 8>, ratio<2>>, ratio<1, 4>>);
static_assert(std::is_same_v<ratio_multiply<ratio<1, 2>, ratio<8>>, ratio<4>>);
static_assert(std::is_same_v<ratio_divide<ratio<4>, ratio<2>>, ratio<2>>);
static_assert(std::is_same_v<ratio_divide<ratio<2>, ratio<8>>, ratio<1, 4>>);
static_assert(std::is_same_v<ratio_divide<ratio<1, 8>, ratio<2>>, ratio<1, 16>>);
static_assert(std::is_same_v<ratio_divide<ratio<6>, ratio<3>>, ratio<2>>);
// common_ratio
static_assert(std::is_same_v<common_ratio<std::ratio<1>, std::kilo>, std::ratio<1>>);
static_assert(std::is_same_v<common_ratio<std::kilo, std::ratio<1>>, std::ratio<1>>);
static_assert(std::is_same_v<common_ratio<std::ratio<1>, std::milli>, std::milli>);
static_assert(std::is_same_v<common_ratio<std::milli, std::ratio<1>>, std::milli>);
static_assert(std::is_same_v<common_ratio<ratio<1>, ratio<1000>>, ratio<1>>);
static_assert(std::is_same_v<common_ratio<ratio<1000>, ratio<1>>, ratio<1>>);
static_assert(std::is_same_v<common_ratio<ratio<1>, ratio<1, 1000>>, ratio<1, 1000>>);
static_assert(std::is_same_v<common_ratio<ratio<1, 1000>, ratio<1>>, ratio<1, 1000>>);
} // namespace