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b0581433a7
fix: remove executable flag and change back to 100644 (was 100755) Signed-off-by: Roger Meier <r.meier@siemens.com>
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
//
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// Units.cpp
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//
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// $Id: //poco/svn/Util/samples/Units/src/Units.cpp#1 $
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//
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// This sample demonstrates the Units.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Util/Units.h"
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#include <iostream>
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using namespace Poco::Util::Units::Values;
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using namespace Poco::Util::Units::Constants;
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using Poco::Util::Units::square;
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using Poco::Util::Units::cube;
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namespace Poco {
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namespace Util {
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namespace Units {
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namespace Units {
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typedef Compose<Scale<N, 1, 1000>, Power<m, -3> > SpecificWeight;// [kN/m^3]
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} // namespace Units
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namespace Values {
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typedef Value<double, Units::SpecificWeight> SpecificWeight;
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} } } } // namespace Poco::Util::Units
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int main()
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{
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std::cout << "One mile is " << km(mile(1)) << std::endl;
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// Output: One mile is 1.60934 km
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std::cout << "Flow rate is " << m3(mile(1)*inch(80)*foot(9))/s(minute(5)) << std::endl;
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// Output: Flow rate is 29.9026 (m)^3.(s)^-1
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hour h;
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//h = cm(3); // Compile-time error: incompatible units
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//h = 4; // Compile-time error: 4 of what?
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h = day(4); // Ok: h is 96 hours
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m l = cm(42);
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std::cout << cm(42) << " == " << l << " == " << milli(l) << std::endl;
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std::cout << "Area of circle with radius " << l <<
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" is " << mm2(square(l) * pi) << std::endl;
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SpecificWeight sw(9.81); // water
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std::cout << "Volume of a water cube with side size " << m(0.1) <<
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" is " << liter(cube(m(0.1))) <<
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" and weighs " << N(sw * cube(m(.1))) << std::endl;
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m radius_equator(6378135);
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m radius_pole(6356750);
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m3 vol((pi * square(radius_equator) * radius_pole) * 4/3);
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std::cout << "Volume of Earth is " << vol
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<< " (" << yotta(liter(vol)) << ")" << std::endl;
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std::cout << "It takes " << minute(AU/c) << " for a Sun beam to reach Earth." << std::endl;
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std::cout << std::endl << m(1) << " is:" << std::endl;
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std::cout << "-------------" << std::endl;
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std::cout << deca(m(1)) << std::endl;
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std::cout << hecto(m(1)) << std::endl;
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std::cout << kilo(m(1)) << std::endl;
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std::cout << mega(m(1)) << std::endl;
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std::cout << giga(m(1)) << std::endl;
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std::cout << tera(m(1)) << std::endl;
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std::cout << peta(m(1)) << std::endl;
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std::cout << exa(m(1)) << std::endl;
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std::cout << zetta(m(1)) << std::endl;
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std::cout << yotta(m(1)) << std::endl;
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std::cout << deci(m(1)) << std::endl;
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std::cout << centi(m(1)) << std::endl;
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std::cout << milli(m(1)) << std::endl;
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std::cout << micro(m(1)) << std::endl;
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std::cout << nano(m(1)) << std::endl;
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std::cout << pico(m(1)) << std::endl;
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std::cout << femto(m(1)) << std::endl;
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std::cout << atto(m(1)) << std::endl;
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std::cout << zepto(m(1)) << std::endl;
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std::cout << yocto(m(1)) << std::endl;
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return 0;
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}
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