Refactored units definitions, added the remaining SI base units, refactored header includes

src/include/units/time.h

@@ -0,0 +1,85 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2018 Mateusz Pusz
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#pragma once
+
+#include <units/base_dimensions.h>
+#include <units/quantity.h>
+
+namespace units {
+
+  struct dimension_time : make_dimension_t<exp<base_dim_time, 1>> {};
+  template<> struct upcasting_traits<upcast_from<dimension_time>> : upcast_to<dimension_time> {};
+
+  template<typename T>
+  concept bool Time = Quantity<T> && std::experimental::ranges::Same<typename T::dimension, dimension_time>;
+
+  template<Unit U = struct second, Number Rep = double>
+  using time = quantity<dimension_time, U, Rep>;
+
+  struct nanosecond : unit<dimension_time, std::nano> {};
+  template<> struct upcasting_traits<upcast_from<nanosecond>> : upcast_to<nanosecond> {};
+
+  struct microsecond : unit<dimension_time, std::micro> {};
+  template<> struct upcasting_traits<upcast_from<microsecond>> : upcast_to<microsecond> {};
+
+  struct millisecond : unit<dimension_time, std::milli> {};
+  template<> struct upcasting_traits<upcast_from<millisecond>> : upcast_to<millisecond> {};
+
+  struct second : unit<dimension_time, std::ratio<1>> {};
+  template<> struct upcasting_traits<upcast_from<second>> : upcast_to<second> {};
+
+  struct minute : unit<dimension_time, std::ratio<60>> {};
+  template<> struct upcasting_traits<upcast_from<minute>> : upcast_to<minute> {};
+
+  struct hour : unit<dimension_time, std::ratio<3600>> {};
+  template<> struct upcasting_traits<upcast_from<hour>> : upcast_to<hour> {};
+
+  inline namespace literals {
+
+    // ns
+    constexpr auto operator""_ns(unsigned long long l) { return time<nanosecond, std::int64_t>(l); }
+    constexpr auto operator""_ns(long double l) { return time<nanosecond, long double>(l); }
+
+    // us
+    constexpr auto operator""_us(unsigned long long l) { return time<microsecond, std::int64_t>(l); }
+    constexpr auto operator""_us(long double l) { return time<microsecond, long double>(l); }
+
+    // ms
+    constexpr auto operator""_ms(unsigned long long l) { return time<millisecond, std::int64_t>(l); }
+    constexpr auto operator""_ms(long double l) { return time<millisecond, long double>(l); }
+
+    // s
+    constexpr auto operator""_s(unsigned long long l) { return time<second, std::int64_t>(l); }
+    constexpr auto operator""_s(long double l) { return time<second, long double>(l); }
+
+    // min
+    constexpr auto operator""_min(unsigned long long l) { return time<minute, std::int64_t>(l); }
+    constexpr auto operator""_min(long double l) { return time<minute, long double>(l); }
+
+    // h
+    constexpr auto operator""_h(unsigned long long l) { return time<hour, std::int64_t>(l); }
+    constexpr auto operator""_h(long double l) { return time<hour, long double>(l); }
+
+  }  // namespace literals
+
+}  // namespace units