forked from mpusz/mp-units
69 lines
3.1 KiB
C++
69 lines
3.1 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 "test_tools.h"
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#include <units/physical/si/base/mass.h>
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#include <units/physical/si/derived/voltage.h>
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#include <units/physical/si/base/time.h>
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#include <units/physical/si/derived/frequency.h>
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#include <units/math.h>
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namespace {
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using namespace units;
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using namespace units::physical::si;
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// power spectral density
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struct sq_volt_per_hertz : unit<sq_volt_per_hertz> {};
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struct dim_power_spectral_density : derived_dimension<dim_power_spectral_density, sq_volt_per_hertz, units::exponent<dim_voltage, 2>, units::exponent<dim_frequency, -1>> {};
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template<UnitOf<dim_power_spectral_density> U, QuantityValue Rep = double>
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using power_spectral_density = quantity<dim_power_spectral_density, U, Rep>;
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// amplitude spectral density
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struct volt_per_sqrt_hertz : unit<volt_per_sqrt_hertz> {};
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struct dim_amplitude_spectral_density : derived_dimension<dim_amplitude_spectral_density, volt_per_sqrt_hertz, units::exponent<dim_voltage, 1>, units::exponent<dim_frequency, -1, 2>> {};
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template<UnitOf<dim_amplitude_spectral_density> U, QuantityValue Rep = double>
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using amplitude_spectral_density = quantity<dim_amplitude_spectral_density, U, Rep>;
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}
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namespace {
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static_assert(compare<dimension_sqrt<dim_power_spectral_density>, dim_amplitude_spectral_density>);
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static_assert(compare<dimension_pow<dim_amplitude_spectral_density, 2>, dim_power_spectral_density>);
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static_assert(compare<decltype(pow<2>(amplitude_spectral_density<volt_per_sqrt_hertz>(4))), decltype(power_spectral_density<sq_volt_per_hertz>(16))>);
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static_assert(compare<decltype(sqrt(power_spectral_density<sq_volt_per_hertz>(16))), decltype(amplitude_spectral_density<volt_per_sqrt_hertz>(4))>);
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}
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namespace {
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struct kilogram_per_second : unit<kilogram_per_second> {};
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struct dim_mass_rate : derived_dimension<dim_mass_rate, kilogram_per_second, units::exponent<dim_mass, 1>, units::exponent<dim_time, -1>> {};
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struct kilogram_per_hour : deduced_unit<kilogram_per_hour, dim_mass_rate, kilogram, hour> {};
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constexpr auto a = 1_q_kg / 1_q_h;
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}
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