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50 lines
1.9 KiB
C++
50 lines
1.9 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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#ifdef MP_UNITS_IMPORT_STD
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import std;
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#else
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#include <iostream>
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#endif
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#ifdef MP_UNITS_MODULES
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import mp_units;
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#else
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#include <mp-units/systems/isq_angle.h>
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#include <mp-units/systems/si.h>
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#endif
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int main()
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{
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using namespace mp_units;
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using namespace mp_units::si::unit_symbols;
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using mp_units::angular::unit_symbols::deg;
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using mp_units::angular::unit_symbols::rad;
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const quantity lever = isq_angle::position_vector(20 * cm);
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const quantity force = isq_angle::force(500 * N);
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const quantity angle = isq_angle::angular_measure(90. * deg);
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const quantity torque = isq_angle::torque(lever * force * angular::sin(angle) / (1 * isq_angle::cotes_angle));
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std::cout << "Applying a perpendicular force of " << force << " to a " << lever << " long lever results in "
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<< torque.in(N * m / rad) << " of torque.\n";
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}
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