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57 lines
3.2 KiB
C++
57 lines
3.2 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include <mp-units/format.h>
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#include <mp-units/systems/si/constants.h>
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#include <mp-units/systems/si/unit_symbols.h>
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#include <iostream>
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template<class T>
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requires mp_units::is_scalar<T>
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inline constexpr bool mp_units::is_vector<T> = true;
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int main()
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{
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using namespace mp_units::si;
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using namespace mp_units::si::unit_symbols;
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std::cout << "The seven defining constants of the SI and the seven corresponding units they define:\n";
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std::cout << UNITS_STD_FMT::format("- hyperfine transition frequency of Cs: {} = {:%.0Q %q}\n",
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1. * si2019::hyperfine_structure_transition_frequency_of_cs,
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(1. * si2019::hyperfine_structure_transition_frequency_of_cs)[Hz]);
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std::cout << UNITS_STD_FMT::format("- speed of light in vacuum: {} = {:%.0Q %q}\n",
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1. * si2019::speed_of_light_in_vacuum,
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(1. * si2019::speed_of_light_in_vacuum)[m / s]);
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std::cout << UNITS_STD_FMT::format("- Planck constant: {} = {:%.8eQ %q}\n",
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1. * si2019::planck_constant, (1. * si2019::planck_constant)[J * s]);
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std::cout << UNITS_STD_FMT::format("- elementary charge: {} = {:%.9eQ %q}\n",
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1. * si2019::elementary_charge, (1. * si2019::elementary_charge)[C]);
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std::cout << UNITS_STD_FMT::format("- Boltzmann constant: {} = {:%.6eQ %q}\n",
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1. * si2019::boltzmann_constant, (1. * si2019::boltzmann_constant)[J / K]);
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std::cout << UNITS_STD_FMT::format("- Avogadro constant: {} = {:%.8eQ %q}\n",
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1. * si2019::avogadro_constant, (1. * si2019::avogadro_constant)[1 / mol]);
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// TODO uncomment the below when ISQ is done
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// std::cout << UNITS_STD_FMT::format("- luminous efficacy: {} = {}\n",
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// si2019::luminous_efficacy(1.),
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// si2019::luminous_efficacy(1.)[lm / W]);
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}
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