refactor: file tree with systems defninitions refactored to limit ODR issues

Relates to #32 as with this commit we created something like modules for derived quantities

src/include/units/data/base/information.h

@@ -0,0 +1,74 @@
+// 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_dimension.h>
+#include <units/data/prefixes.h>
+#include <units/unit.h>
+#include <units/quantity.h>
+
+namespace units::data {
+
+struct bit : named_unit<bit, "b", prefix> {};
+struct kibibit : prefixed_unit<kibibit, kibi, bit> {};
+struct mebibit : prefixed_unit<mebibit, mebi, bit> {};
+struct gibibit : prefixed_unit<gibibit, gibi, bit> {};
+struct tebibit : prefixed_unit<tebibit, tebi, bit> {};
+struct pebibit : prefixed_unit<pebibit, pebi, bit> {};
+
+struct byte : named_scaled_unit<byte, "B", prefix, ratio(8), bit> {};
+struct kibibyte : prefixed_unit<kibibyte, kibi, byte> {};
+struct mebibyte : prefixed_unit<mebibyte, mebi, byte> {};
+struct gibibyte : prefixed_unit<gibibyte, gibi, byte> {};
+struct tebibyte : prefixed_unit<tebibyte, tebi, byte> {};
+struct pebibyte : prefixed_unit<pebibyte, pebi, byte> {};
+
+struct dim_information : base_dimension<"information", bit> {};
+
+template<typename T>
+concept Information = QuantityOf<T, dim_information>;
+
+template<Unit U, ScalableNumber Rep = double>
+using information = quantity<dim_information, U, Rep>;
+
+inline namespace literals {
+
+// bits
+constexpr auto operator"" _q_b(unsigned long long l) { return information<bit, std::int64_t>(l); }
+constexpr auto operator"" _q_Kib(unsigned long long l) { return information<kibibit, std::int64_t>(l); }
+constexpr auto operator"" _q_Mib(unsigned long long l) { return information<mebibit, std::int64_t>(l); }
+constexpr auto operator"" _q_Gib(unsigned long long l) { return information<gibibit, std::int64_t>(l); }
+constexpr auto operator"" _q_Tib(unsigned long long l) { return information<tebibit, std::int64_t>(l); }
+constexpr auto operator"" _q_Pib(unsigned long long l) { return information<pebibit, std::int64_t>(l); }
+
+// bytes
+constexpr auto operator"" _q_B(unsigned long long l) { return information<byte, std::int64_t>(l); }
+constexpr auto operator"" _q_KiB(unsigned long long l) { return information<kibibyte, std::int64_t>(l); }
+constexpr auto operator"" _q_MiB(unsigned long long l) { return information<mebibyte, std::int64_t>(l); }
+constexpr auto operator"" _q_GiB(unsigned long long l) { return information<gibibyte, std::int64_t>(l); }
+constexpr auto operator"" _q_TiB(unsigned long long l) { return information<tebibyte, std::int64_t>(l); }
+constexpr auto operator"" _q_PiB(unsigned long long l) { return information<pebibyte, std::int64_t>(l); }
+
+}  // namespace literals
+
+}  // namespace units::data