forked from mpusz/mp-units
style: clang-format applied to the remaining files
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@@ -52,7 +52,7 @@ struct Ship {
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};
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// Print 'a' in its current units and print its value cast to the units in each of Args
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template<class ...Args, units::Quantity Q>
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template<class... Args, units::Quantity Q>
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auto fmt_line(const Q a)
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{
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return STD_FMT::format("{:22}", a) + (STD_FMT::format(",{:20}", units::quantity_cast<Args>(a)) + ...);
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@@ -63,16 +63,21 @@ void print_details(std::string_view description, const Ship& ship)
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{
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const auto waterDensity = si::fps::density::lb_per_ft3<>(62.4);
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std::cout << STD_FMT::format("{}\n", description);
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std::cout << STD_FMT::format("{:20} : {}\n", "length", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.length))
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<< STD_FMT::format("{:20} : {}\n", "draft", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.draft))
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<< STD_FMT::format("{:20} : {}\n", "beam", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.beam))
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<< STD_FMT::format("{:20} : {}\n", "mass", fmt_line<si::fps::mass::lton<>, si::mass::t<>>(ship.mass))
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<< STD_FMT::format("{:20} : {}\n", "speed", fmt_line<si::fps::speed::knot<>, si::speed::km_per_h<>>(ship.speed))
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<< STD_FMT::format("{:20} : {}\n", "power", fmt_line<si::fps::power::hp<>, si::power::kW<>>(ship.power))
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<< STD_FMT::format("{:20} : {}\n", "main guns", fmt_line<si::fps::length::in<>, si::length::mm<>>(ship.mainGuns))
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<< STD_FMT::format("{:20} : {}\n", "fire shells weighing",fmt_line<si::fps::mass::lton<>, si::mass::kg<>>(ship.shellMass))
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<< STD_FMT::format("{:20} : {}\n", "fire shells at",fmt_line<si::fps::speed::mph<>, si::speed::km_per_h<>>(ship.shellSpeed))
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<< STD_FMT::format("{:20} : {}\n", "volume underwater", fmt_line<si::volume::m3<>, si::volume::l<>>(ship.mass / waterDensity));
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std::cout << STD_FMT::format("{:20} : {}\n", "length", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.length))
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<< STD_FMT::format("{:20} : {}\n", "draft", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.draft))
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<< STD_FMT::format("{:20} : {}\n", "beam", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.beam))
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<< STD_FMT::format("{:20} : {}\n", "mass", fmt_line<si::fps::mass::lton<>, si::mass::t<>>(ship.mass))
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<< STD_FMT::format("{:20} : {}\n", "speed",
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fmt_line<si::fps::speed::knot<>, si::speed::km_per_h<>>(ship.speed))
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<< STD_FMT::format("{:20} : {}\n", "power", fmt_line<si::fps::power::hp<>, si::power::kW<>>(ship.power))
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<< STD_FMT::format("{:20} : {}\n", "main guns",
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fmt_line<si::fps::length::in<>, si::length::mm<>>(ship.mainGuns))
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<< STD_FMT::format("{:20} : {}\n", "fire shells weighing",
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fmt_line<si::fps::mass::lton<>, si::mass::kg<>>(ship.shellMass))
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<< STD_FMT::format("{:20} : {}\n", "fire shells at",
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fmt_line<si::fps::speed::mph<>, si::speed::km_per_h<>>(ship.shellSpeed))
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<< STD_FMT::format("{:20} : {}\n", "volume underwater",
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fmt_line<si::volume::m3<>, si::volume::l<>>(ship.mass / waterDensity));
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}
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int main()
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@@ -82,13 +87,37 @@ int main()
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using units::aliases::isq::si::fps::length::ft; // to disambiguate from si::femptotonne
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// KMS Bismark, using the units the Germans would use, taken from Wiki
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auto bismark = Ship{.length{m<>(251.)}, .draft{m<>(9.3)}, .beam{m<>(36)}, .speed{km_per_h<>(56)}, .mass{t<>(50'300)}, .mainGuns{mm<>(380)}, .shellMass{kg<>(800)}, .shellSpeed{m_per_s<>(820.)}, .power{kW<>(110.45)}};
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auto bismark = Ship{.length{m<>(251.)},
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.draft{m<>(9.3)},
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.beam{m<>(36)},
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.speed{km_per_h<>(56)},
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.mass{t<>(50'300)},
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.mainGuns{mm<>(380)},
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.shellMass{kg<>(800)},
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.shellSpeed{m_per_s<>(820.)},
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.power{kW<>(110.45)}};
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// USS Iowa, using units from the foot-pound-second system
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auto iowa = Ship{.length{ft<>(860.)}, .draft{ft<>(37.) + in<>(2.)}, .beam{ft<>(108.) + in<>(2.)}, .speed{knot<>(33)}, .mass{lton<>(57'540)}, .mainGuns{in<>(16)}, .shellMass{lb<>(2700)}, .shellSpeed{ft_per_s<>(2690.)}, .power{hp<>(212'000)}};
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auto iowa = Ship{.length{ft<>(860.)},
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.draft{ft<>(37.) + in<>(2.)},
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.beam{ft<>(108.) + in<>(2.)},
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.speed{knot<>(33)},
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.mass{lton<>(57'540)},
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.mainGuns{in<>(16)},
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.shellMass{lb<>(2700)},
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.shellSpeed{ft_per_s<>(2690.)},
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.power{hp<>(212'000)}};
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// HMS King George V, using units from the foot-pound-second system
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auto kgv = Ship{.length{ft<>(745.1)}, .draft{ft<>(33.) + in<>(7.5)}, .beam{ft<>(103.2) + in<>(2.5)}, .speed{knot<>(28.3)}, .mass{lton<>(42'245)}, .mainGuns{in<>(14)}, .shellMass{lb<>(1'590)}, .shellSpeed{ft_per_s<>(2483)}, .power{hp<>(110'000)}};
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auto kgv = Ship{.length{ft<>(745.1)},
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.draft{ft<>(33.) + in<>(7.5)},
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.beam{ft<>(103.2) + in<>(2.5)},
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.speed{knot<>(28.3)},
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.mass{lton<>(42'245)},
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.mainGuns{in<>(14)},
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.shellMass{lb<>(1'590)},
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.shellSpeed{ft_per_s<>(2483)},
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.power{hp<>(110'000)}};
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print_details("KMS Bismark, defined in appropriate units from the SI system", bismark);
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std::cout << "\n\n";
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