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49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// Boost.Units - A C++ library for zero-overhead dimensional analysis and
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// unit/quantity manipulation and conversion
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//
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// Copyright (C) 2003-2008 Matthias Christian Schabel
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// Copyright (C) 2008 Steven Watanabe
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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/**
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\file
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\brief test_units_1.cpp
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\details
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Test unit class.
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Output:
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@verbatim
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@endverbatim
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**/
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#include "test_header.hpp"
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#include <boost/units/cmath.hpp>
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#include <boost/units/scale.hpp>
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#include <boost/units/make_scaled_unit.hpp>
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namespace bu = boost::units;
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static const double E_ = 2.718281828459045235360287471352662497757;
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typedef bu::make_scaled_unit<bu::length,
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bu::scale<10, bu::static_rational<-3> > >::type milli_meter_unit;
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typedef bu::make_scaled_unit<bu::area,
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bu::scale<10, bu::static_rational<-6> > >::type micro_meter2_unit;
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int main()
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{
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const bu::quantity<micro_meter2_unit> E1 = E_*micro_meter2_unit();
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const bu::quantity<milli_meter_unit> E2 = sqrt(E1);
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BOOST_TEST(E1.value() == E_);
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BOOST_TEST(E2.value() == sqrt(E_));
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return boost::report_errors();
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}
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