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// Boost.Units - A C++ library for zero-overhead dimensional analysis and
// unit/quantity manipulation and conversion
//
// Copyright (C) 2003-2008 Matthias Christian Schabel
// Copyright (C) 2008 Steven Watanabe
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
/**
\file
\brief test_dimensionless_quantity.cpp
\details
Test unit class.
Output:
@verbatim
@endverbatim
**/
#include "test_header.hpp"
#include <boost/units/pow.hpp>
namespace bu = boost::units;
BOOST_STATIC_CONSTEXPR double E_ = 2.718281828459045235360287471352662497757;
int main()
{
// default constructor
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> E1;
BOOST_TEST(E1.value() == double());
// value_type constructor
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> E2(E_);
BOOST_TEST(E2.value() == E_);
// copy constructor
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> E3(E2);
BOOST_TEST(E3.value() == E_);
// operator=
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> E4 = E2;
BOOST_TEST(E4.value() == E_);
// implicit copy constructor value_type conversion
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless,float> E5(E2);
BOOST_UNITS_CHECK_CLOSE(E5.value(), float(E_));
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless,long> E6(E2);
BOOST_TEST(E6.value() == long(E_));
// implicit operator= value_type conversion
// narrowing conversion disallowed
// BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless,float> E7 = E2;
// BOOST_UNITS_CHECK_CLOSE(E7.value(),float(E_));
// narrowing conversion disallowed
// BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless,long> E8 = E2;
// BOOST_TEST(E8.value() == long(E_));
// const construction
bu::quantity<bu::dimensionless> E9(E2);
BOOST_TEST(E9.value() == E_);
// // value assignment
// E9.value() = 1.5*bu::dimensionless();
// BOOST_TEST(E9.value() == 1.5);
//
// // value assignment with implicit conversion
// E9.value() = 1.5;
// BOOST_TEST(E9.value() == 1.5);
//
// // value assignment with implicit value_type conversion
// E9.value() = 2*bu::dimensionless();
// BOOST_TEST(E9.value() == double(2));
//
// // value assignment with implicit value_type conversion
// E9.value() = 2;
// BOOST_TEST(E9.value() == double(2));
// operator+=(this_type)
E9 = 2.0;
E9 += E9;
BOOST_TEST(E9.value() == 4.0);
// operator-=(this_type)
E9 = 2.0;
E9 -= E9;
BOOST_TEST(E9.value() == 0.0);
// operator*=(value_type)
E9 = 2.0;
E9 *= 2.0;
BOOST_TEST(E9.value() == 4.0);
// operator/=(value_type)
E9 = 2.0;
E9 /= 2.0;
BOOST_TEST(E9.value() == 1.0);
// static construct quantity from value_type
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> E(bu::quantity<bu::dimensionless>::from_value(2.5));
BOOST_TEST(E.value() == 2.5);
// implicit conversion to value_type
const double V1(E9);
BOOST_TEST(V1 == E9.value());
const double V2 = E9;
BOOST_TEST(V2 == E9.value());
// unit * scalar
BOOST_TEST(bu::dimensionless()*2.0 == bu::quantity<bu::dimensionless>::from_value(2.0));
// unit / scalar
BOOST_TEST(bu::dimensionless()/2.0 == bu::quantity<bu::dimensionless>::from_value(0.5));
// scalar * unit
BOOST_TEST(2.0*bu::dimensionless() == bu::quantity<bu::dimensionless>::from_value(2.0));
// scalar / unit
BOOST_TEST(2.0/bu::dimensionless() == bu::quantity<bu::dimensionless>::from_value(2.0));
// quantity * scalar
BOOST_TEST(E*2.0 == bu::quantity<bu::dimensionless>::from_value(5.0));
// quantity / scalar
BOOST_TEST(E/2.0 == bu::quantity<bu::dimensionless>::from_value(1.25));
// scalar * quantity
BOOST_TEST(2.0*E == bu::quantity<bu::dimensionless>::from_value(5.0));
// scalar / quantity
BOOST_TEST(2.0/E == bu::quantity<bu::dimensionless>::from_value(0.8));
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> D1(1.0),
D2(2.0);
// unit * quantity
BOOST_TEST(bu::dimensionless()*D1 == D1);
// unit / quantity
BOOST_TEST(bu::dimensionless()/D1 == D1);
// quantity * unit
BOOST_TEST(D1*bu::dimensionless() == D1);
// quantity / unit
BOOST_TEST(D1*bu::dimensionless() == D1);
// +quantity
BOOST_TEST(+D1 == 1.0*bu::dimensionless());
// -quantity
BOOST_TEST(-D1 == -1.0*bu::dimensionless());
// quantity + quantity
BOOST_TEST(D2+D1 == 3.0*bu::dimensionless());
// quantity - quantity
BOOST_TEST(D2-D1 == 1.0*bu::dimensionless());
// quantity * quantity
BOOST_TEST(D1*D2 == 2.0*bu::dimensionless());
// quantity / quantity
BOOST_TEST(D2/D1 == 2.0*bu::dimensionless());
// integer power of quantity
BOOST_TEST(2.0*bu::pow<2>(D2) == 2.0*std::pow(2.0,2.0)*bu::dimensionless());
// rational power of quantity
BOOST_TEST((2.0*bu::pow< bu::static_rational<2,3> >(D2) == 2.0*std::pow(2.0,2.0/3.0)*bu::dimensionless()));
// integer root of quantity
BOOST_TEST(2.0*bu::root<2>(D2) == 2.0*std::pow(2.0,1.0/2.0)*bu::dimensionless());
// rational root of quantity
BOOST_TEST((2.0*bu::root< bu::static_rational<3,2> >(D2) == 2.0*std::pow(2.0,2.0/3.0)*bu::dimensionless()));
BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::dimensionless> A1(0.0),
A2(0.0),
A3(1.0),
A4(-1.0);
// operator==
BOOST_TEST((A1 == A2) == true);
BOOST_TEST((A1 == A3) == false);
// operator!=
BOOST_TEST((A1 != A2) == false);
BOOST_TEST((A1 != A3) == true);
// operator<
BOOST_TEST((A1 < A2) == false);
BOOST_TEST((A1 < A3) == true);
// operator<=
BOOST_TEST((A1 <= A2) == true);
BOOST_TEST((A1 <= A3) == true);
// operator>
BOOST_TEST((A1 > A2) == false);
BOOST_TEST((A1 > A4) == true);
// operator>=
BOOST_TEST((A1 >= A2) == true);
BOOST_TEST((A1 >= A4) == true);
return boost::report_errors();
}
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