refactor: angular system created

src/systems/angular/CMakeLists.txt

@@ -0,0 +1,28 @@
+# 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.
+
+cmake_minimum_required(VERSION 3.19)
+
+add_units_module(
+    angular DEPENDENCIES mp-units::isq
+    HEADERS include/units/angular/angular.h
+)

src/systems/angular/include/units/angular/angular.h

@@ -0,0 +1,54 @@
+// 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/dimension.h>
+#include <units/quantity_spec.h>
+#include <units/unit.h>
+
+namespace units::angular {
+
+// clang-format off
+inline constexpr struct dim_angle : base_dimension<"A"> {} dim_angle;
+QUANTITY_SPEC(angle, dim_angle);
+QUANTITY_SPEC(solid_angle, pow<2>(angle));
+
+inline constexpr struct radian : named_unit<"rad", angle> {} radian;
+inline constexpr struct revolution : named_unit<"rev", mag<2> * mag_pi * radian> {} revolution;
+inline constexpr struct degree : named_unit<basic_symbol_text{"°", "deg"}, mag<ratio{1, 360}> * revolution> {} degree;
+inline constexpr struct gradian : named_unit<basic_symbol_text{"ᵍ", "grad"}, mag<ratio{1, 400}> * revolution> {} gradian;
+inline constexpr struct steradian : named_unit<"sr", square<radian>> {} steradian;
+// clang-format on
+
+namespace unit_symbols {
+
+inline constexpr auto rad = radian;
+inline constexpr auto rev = revolution;
+inline constexpr auto deg = degree;
+inline constexpr auto grad = gradian;
+inline constexpr auto sr = steradian;
+inline constexpr auto deg2 = square<degree>;
+
+}  // namespace unit_symbols
+
+}  // namespace units::angular