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51 lines
2.0 KiB
C++
51 lines
2.0 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 <units/generic/angle.h>
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UNITS_DIAGNOSTIC_PUSH
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UNITS_DIAGNOSTIC_IGNORE_SHADOW
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#include <units/isq/si/force.h> // 'N' (Newton) shadows a template parameter traditionally used as a size of the array
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UNITS_DIAGNOSTIC_POP
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#include <units/isq/si/length.h>
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#include <units/isq/si/torque.h>
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#include <units/math.h>
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#include <units/quantity_io.h>
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#include <iostream>
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int main()
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{
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using namespace units;
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using namespace units::isq;
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using namespace units::isq::si::references;
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using namespace units::references;
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const Length auto lever = 20 * cm;
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const Force auto force = 500 * N;
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const Angle auto angle = 90. * deg;
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const Torque auto torque = lever * force * sin(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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<< quantity_cast<si::newton_metre_per_radian>(torque) << " of torque.\n";
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}
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