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

src/include/units/frequency.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/time.h>
+
+namespace units {
+
+  struct dimension_frequency : make_dimension_t<exp<base_dim_time, -1>> {};
+  template<> struct upcasting_traits<upcast_from<dimension_frequency>> : upcast_to<dimension_frequency> {};
+
+  template<typename T>
+  concept bool Frequency =  Quantity<T> && std::experimental::ranges::Same<typename T::dimension, dimension_frequency>;
+
+  template<Unit U = struct hertz, Number Rep = double>
+  using frequency = quantity<dimension_frequency, U, Rep>;
+
+  struct millihertz : unit<dimension_frequency, std::milli> {};
+  template<> struct upcasting_traits<upcast_from<millihertz>> : upcast_to<millihertz> {};
+
+  struct hertz : unit<dimension_frequency, std::ratio<1>> {};
+  template<> struct upcasting_traits<upcast_from<hertz>> : upcast_to<hertz> {};
+
+  struct kilohertz : unit<dimension_frequency, std::kilo> {};
+  template<> struct upcasting_traits<upcast_from<kilohertz>> : upcast_to<kilohertz> {};
+
+  struct megahertz : unit<dimension_frequency, std::mega> {};
+  template<> struct upcasting_traits<upcast_from<megahertz>> : upcast_to<megahertz> {};
+
+  struct gigahertz : unit<dimension_frequency, std::giga> {};
+  template<> struct upcasting_traits<upcast_from<gigahertz>> : upcast_to<gigahertz> {};
+
+  struct terahertz : unit<dimension_frequency, std::tera> {};
+  template<> struct upcasting_traits<upcast_from<terahertz>> : upcast_to<terahertz> {};
+
+  inline namespace literals {
+
+    // mHz
+    constexpr auto operator""_mHz(unsigned long long l) { return frequency<millihertz, std::int64_t>(l); }
+    constexpr auto operator""_mHz(long double l) { return frequency<millihertz, long double>(l); }
+
+    // Hz
+    constexpr auto operator""_Hz(unsigned long long l) { return frequency<hertz, std::int64_t>(l); }
+    constexpr auto operator""_Hz(long double l) { return frequency<hertz, long double>(l); }
+
+    // kHz
+    constexpr auto operator""_kHz(unsigned long long l) { return frequency<kilohertz, std::int64_t>(l); }
+    constexpr auto operator""_kHz(long double l) { return frequency<kilohertz, long double>(l); }
+
+    // MHz
+    constexpr auto operator""_MHz(unsigned long long l) { return frequency<megahertz, std::int64_t>(l); }
+    constexpr auto operator""_MHz(long double l) { return frequency<megahertz, long double>(l); }
+
+    // GHz
+    constexpr auto operator""_GHz(unsigned long long l) { return frequency<gigahertz, std::int64_t>(l); }
+    constexpr auto operator""_GHz(long double l) { return frequency<gigahertz, long double>(l); }
+
+    // THz
+    constexpr auto operator""_THz(unsigned long long l) { return frequency<terahertz, std::int64_t>(l); }
+    constexpr auto operator""_THz(long double l) { return frequency<terahertz, long double>(l); }
+
+  }  // namespace literals
+
+}  // namespace units