refactor: _chrono.h_, _math.h_, and _random.h_ move to utlitity CMake module

example/glide_computer/CMakeLists.txt

@@ -23,5 +23,5 @@
 cmake_minimum_required(VERSION 3.2)
 
 add_library(glide_computer STATIC include/geographic.h glide_computer.cpp include/glide_computer.h)
-target_link_libraries(glide_computer PRIVATE mp-units::core-fmt PUBLIC mp-units::si example_utils)
+target_link_libraries(glide_computer PRIVATE mp-units::core-fmt PUBLIC mp-units::si mp-units::utility example_utils)
 target_include_directories(glide_computer PUBLIC include)

example/kalman_filter/CMakeLists.txt

@@ -30,11 +30,11 @@ function(add_example target)
     target_link_libraries(${target} PRIVATE ${ARGN})
 endfunction()
 
-add_example(kalman_filter-example_1 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_2 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_3 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_4 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_5 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_6 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_7 mp-units::core-fmt mp-units::si)
-add_example(kalman_filter-example_8 mp-units::core-fmt mp-units::si)
+add_example(kalman_filter-example_1 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_2 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_3 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_4 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_5 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_6 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_7 mp-units::core-fmt mp-units::si mp-units::utility)
+add_example(kalman_filter-example_8 mp-units::core-fmt mp-units::si mp-units::utility)

src/CMakeLists.txt

@@ -41,10 +41,13 @@ add_subdirectory(core)
 add_subdirectory(core-fmt)
 add_subdirectory(core-io)
 add_subdirectory(systems)
+add_subdirectory(utility)
 
 # project-wide wrapper
 add_library(mp-units INTERFACE)
-target_link_libraries(mp-units INTERFACE mp-units::core mp-units::core-io mp-units::core-fmt mp-units::systems)
+target_link_libraries(
+    mp-units INTERFACE mp-units::core mp-units::core-io mp-units::core-fmt mp-units::systems mp-units::utility
+)
 add_library(mp-units::mp-units ALIAS mp-units)
 install(TARGETS mp-units EXPORT mp-unitsTargets)
 

src/core/CMakeLists.txt

@@ -37,17 +37,11 @@ check_libcxx_in_use(${projectPrefix}LIBCXX)
 add_library(
     mp-units-core
     INTERFACE
-    # include/units/chrono.h
     include/units/customization_points.h
     include/units/dimension.h
-    # include/units/generic/angle.h
-    include/units/generic/dimensionless.h
-    # include/units/generic/solid_angle.h
-    include/units/math.h
     include/units/quantity.h
-    # include/units/quantity_point.h
+    include/units/quantity_point.h
     include/units/quantity_spec.h
-    include/units/random.h
     include/units/reference.h
     include/units/system_reference.h
     include/units/unit.h

src/utility/CMakeLists.txt

@@ -0,0 +1,27 @@
+# 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(utility DEPENDENCIES mp-units::core mp-units::isq mp-units::si mp-units::angular HEADERS include/units/chrono.h
+    include/units/math.h
+    include/units/random.h)

src/utility/include/units/math.h

@@ -22,6 +22,7 @@
 
 #pragma once
 
+#include <units/angular/angular.h>
 #include <units/bits/external/hacks.h>
 #include <units/isq/space_and_time.h>
 #include <units/quantity.h>
@@ -354,4 +355,62 @@ template<weak_quantity_of<dimensionless> Q>
 
 }  // namespace isq
 
+namespace angular {
+
+template<quantity_of<angle> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<dimensionless[one]> auto sin(const Q& q) noexcept
+  requires requires { sin(q.number()); } || requires { std::sin(q.number()); }
+{
+  using std::sin;
+  return quantity{sin(q[radian].number())};
+}
+
+template<quantity_of<angle> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<dimensionless[one]> auto cos(const Q& q) noexcept
+  requires requires { cos(q.number()); } || requires { std::cos(q.number()); }
+{
+  using std::cos;
+  return quantity{cos(q[radian].number())};
+}
+
+template<quantity_of<angle> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<dimensionless[one]> auto tan(const Q& q) noexcept
+  requires requires { tan(q.number()); } || requires { std::tan(q.number()); }
+{
+  using std::tan;
+  return quantity{tan(q[radian].number())};
+}
+
+template<weak_quantity_of<dimensionless> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<angle[radian]> auto asin(const Q& q) noexcept
+  requires requires { asin(q.number()); } || requires { std::asin(q.number()); }
+{
+  using std::asin;
+  return asin(quantity_cast<one>(q).number()) * angle[radian];
+}
+
+template<weak_quantity_of<dimensionless> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<angle[radian]> auto acos(const Q& q) noexcept
+  requires requires { acos(q.number()); } || requires { std::acos(q.number()); }
+{
+  using std::acos;
+  return acos(quantity_cast<one>(q).number()) * angle[radian];
+}
+
+template<weak_quantity_of<dimensionless> Q>
+  requires treat_as_floating_point<typename Q::rep>
+[[nodiscard]] inline quantity_of<angle[radian]> auto atan(const Q& q) noexcept
+  requires requires { atan(q.number()); } || requires { std::atan(q.number()); }
+{
+  using std::atan;
+  return atan(quantity_cast<one>(q).number()) * angle[radian];
+}
+
+}  // namespace angular
+
 }  // namespace units