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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/units/test/test_quantity.cpp
parentInitial commit. (diff)
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Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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_units_1.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 test_main(int,char *[])
+{
+ // default constructor
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy> E1;
+ BOOST_CHECK(E1.value() == double());
+
+ // value_type constructor
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy> E2(E_*bu::joules);
+ BOOST_CHECK(E2.value() == E_);
+
+ // copy constructor
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy> E3(E2);
+ BOOST_CHECK(E3.value() == E_);
+
+ // operator=
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy> E4 = E2;
+ BOOST_CHECK(E4.value() == E_);
+
+ // implicit copy constructor value_type conversion
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy,float> E5(E2);
+ BOOST_UNITS_CHECK_CLOSE(E5.value(),float(E_));
+
+ // implicit operator= value_type conversion
+ //BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy,float> E7 = E2;
+ //BOOST_UNITS_CHECK_CLOSE(E7.value(),float(E_));
+
+ //BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy,long> E8 = E2;
+ //BOOST_CHECK(E8.value() == long(E_));
+
+ // const construction
+ bu::quantity<bu::energy> E9(E2);
+ BOOST_CHECK(E9.value() == E_);
+
+ // value assignment
+ bu::quantity_cast<double&>(E9) = 1.5;
+ BOOST_CHECK(E9.value() == 1.5);
+
+ // value assignment with implicit value_type conversion
+ bu::quantity_cast<double&>(E9) = 2;
+ BOOST_CHECK(E9.value() == double(2));
+
+ // operator+=(this_type)
+ E9 = 2.0*bu::joules;
+ E9 += E9;
+ BOOST_CHECK(E9.value() == 4.0);
+
+ // operator-=(this_type)
+ E9 = 2.0*bu::joules;
+ E9 -= E9;
+ BOOST_CHECK(E9.value() == 0.0);
+
+ // operator*=(value_type)
+ E9 = 2.0*bu::joules;
+ E9 *= 2.0;
+ BOOST_CHECK(E9.value() == 4.0);
+
+ // operator/=(value_type)
+ E9 = 2.0*bu::joules;
+ E9 /= 2.0;
+ BOOST_CHECK(E9.value() == 1.0);
+
+ // static construct quantity from value_type
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::energy> E(bu::quantity<bu::energy>::from_value(2.5));
+ BOOST_CHECK(E.value() == 2.5);
+
+ // quantity_cast
+
+ // unit * scalar
+ BOOST_CHECK(bu::joules*2.0 == bu::quantity<bu::energy>::from_value(2.0));
+
+ // unit / scalar
+ BOOST_CHECK(bu::joules/2.0 == bu::quantity<bu::energy>::from_value(0.5));
+
+ // scalar * unit
+ BOOST_CHECK(2.0*bu::joules == bu::quantity<bu::energy>::from_value(2.0));
+
+ // scalar / unit
+ BOOST_CHECK(2.0/bu::joules == bu::quantity<bu::inverse_energy>::from_value(2.0));
+
+ // quantity * scalar
+ BOOST_CHECK(E*2.0 == bu::quantity<bu::energy>::from_value(5.0));
+
+ // quantity / scalar
+ BOOST_CHECK(E/2.0 == bu::quantity<bu::energy>::from_value(1.25));
+
+ // scalar * quantity
+ BOOST_CHECK(2.0*E == bu::quantity<bu::energy>::from_value(5.0));
+
+ // scalar / quantity
+ BOOST_CHECK(2.0/E == bu::quantity<bu::inverse_energy>::from_value(0.8));
+
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::length> L(1.0*bu::meters);
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::mass> M(2.0*bu::kilograms);
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::time> T(3.0*bu::seconds);
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::velocity> V(bu::quantity<bu::velocity>::from_value(4.0));
+
+ // unit * quantity
+ BOOST_CHECK(bu::seconds*V == 4.0*bu::meters);
+
+ // unit / quantity
+ BOOST_CHECK(bu::meters/V == 0.25*bu::seconds);
+
+ // quantity * unit
+ BOOST_CHECK(V*bu::seconds == 4.0*bu::meters);
+
+ // quantity / unit
+ BOOST_CHECK(V/bu::meters == 4.0/bu::seconds);
+
+ // +quantity
+ BOOST_CHECK(+V == 4.0*bu::meters_per_second);
+
+ // -quantity
+ BOOST_CHECK(-V == -4.0*bu::meters_per_second);
+
+ // quantity + quantity
+ BOOST_CHECK(V+V == 8.0*bu::meters_per_second);
+
+ // quantity - quantity
+ BOOST_CHECK(V-V == 0.0*bu::meters_per_second);
+
+ // quantity * quantity
+ BOOST_CHECK(V*T == 12.0*bu::meters);
+
+ // quantity / quantity
+ BOOST_CHECK(L/V == 0.25*bu::seconds);
+
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::area> A(2.0*bu::square_meters);
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::volume> VL(1.0*bu::cubic_meters);
+
+ // integer power of quantity
+ BOOST_CHECK(2.0*bu::pow<2>(L) == A);
+
+ // rational power of quantity
+ BOOST_CHECK((bu::pow< bu::static_rational<2,3> >(VL) == 0.5*A));
+
+ // integer root of quantity
+ BOOST_CHECK(bu::root<2>(A) == std::sqrt(2.0)*L);
+
+ // rational root of quantity
+ BOOST_CHECK((bu::root< bu::static_rational<3,2> >(VL) == 0.5*A));
+
+ BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::area> A1(0.0*bu::square_meters),
+ A2(0.0*bu::square_meters),
+ A3(1.0*bu::square_meters),
+ A4(-1.0*bu::square_meters);
+
+ // operator==
+ BOOST_CHECK((A1 == A2) == true);
+ BOOST_CHECK((A1 == A3) == false);
+
+ // operator!=
+ BOOST_CHECK((A1 != A2) == false);
+ BOOST_CHECK((A1 != A3) == true);
+
+ // operator<
+ BOOST_CHECK((A1 < A2) == false);
+ BOOST_CHECK((A1 < A3) == true);
+
+ // operator<=
+ BOOST_CHECK((A1 <= A2) == true);
+ BOOST_CHECK((A1 <= A3) == true);
+
+ // operator>
+ BOOST_CHECK((A1 > A2) == false);
+ BOOST_CHECK((A1 > A4) == true);
+
+ // operator>=
+ BOOST_CHECK((A1 >= A2) == true);
+ BOOST_CHECK((A1 >= A4) == true);
+
+ return 0;
+}