boost-react-native-bundle

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Reference</title> <link rel="stylesheet" href="../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../ratio.html" title="Chapter 25. Boost.Ratio 2.1.0"> <link rel="prev" href="users_guide.html" title="User's Guide"> <link rel="next" href="appendices.html" title="Appendices"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../boost.png"></td> <td align="center"><a href="../../../index.html">Home</a></td> <td align="center"><a href="../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a 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class="computeroutput"><boost/ratio/config.hpp></code></a></dt> <dt><a href="reference.html#ratio.reference.std">C++0x Recommendation</a></dt> <dt><a href="reference.html#ratio.reference.io">Ratio I/O</a></dt> <dt><a href="reference.html#ratio.reference.mpl">Rational Constant</a></dt> </dl></div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="ratio.reference.config_hpp"></a><a class="link" href="reference.html#ratio.reference.config_hpp" title="Header <boost/ratio/config.hpp>">Header <code class="computeroutput"><boost/ratio/config.hpp></code></a> </h3></div></div></div> <div class="toc"><dl class="toc"> <dt><a href="reference.html#ratio.reference.config_hpp.ext">Extensions</a></dt> <dt><a href="reference.html#ratio.reference.config_hpp.deprecated">Deprecated</a></dt> <dt><a href="reference.html#ratio.reference.config_hpp.version">Version</a></dt> <dt><a href="reference.html#ratio.reference.config_hpp.assert">Static Assert</a></dt> </dl></div> <pre class="programlisting">// Configuration macros #define <a class="link" href="reference.html#ratio.reference.config_hpp.version" title="Version"><code class="computeroutput">BOOST_RATIO_VERSION </code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.ext" title="Extensions"><code class="computeroutput">BOOST_RATIO_EXTENSIONS</code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_PROVIDES_DEPRECATED_FEATURES_SINCE_V2_0_0</code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_DONT_PROVIDE_DEPRECATED_FEATURES_SINCE_V2_0_0 </code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_STATIC_ASSERT</code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_MPL_ASSERT</code></a> #define <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_ARRAY_ASSERT</code></a> </pre> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.config_hpp.ext"></a><a class="link" href="reference.html#ratio.reference.config_hpp.ext" title="Extensions">Extensions</a> </h4></div></div></div> When <a class="link" href="reference.html#ratio.reference.config_hpp.ext" title="Extensions"><code class="computeroutput">BOOST_RATIO_EXTENSIONS</code></a> is defined, Boost.Ratio provides in addition some extension to the C++ standard, see below. </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.config_hpp.deprecated"></a><a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated">Deprecated</a> </h4></div></div></div> When <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_PROVIDES_DEPRECATED_FEATURES_SINCE_V2_0_0</code></a> is defined the deprecated features stated as DEPRECATED V2 are provided. When <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_DONT_PROVIDE_DEPRECATED_FEATURES_SINCE_V2_0_0 </code></a> is defined the deprecated features stated as DEPRECATED V2 are NOT provided. </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.config_hpp.version"></a><a class="link" href="reference.html#ratio.reference.config_hpp.version" title="Version">Version</a> </h4></div></div></div> <a class="link" href="reference.html#ratio.reference.config_hpp.version" title="Version"><code class="computeroutput">BOOST_RATIO_VERSION </code></a> stands for the Boost.Ratio version which can be 1 or 2. The default up to 1.55 is version 1. Since 1.56 it will be 2. When <a class="link" href="reference.html#ratio.reference.config_hpp.version" title="Version"><code class="computeroutput">BOOST_RATIO_VERSION </code></a> is 1 <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_PROVIDES_DEPRECATED_FEATURES_SINCE_V2_0_0</code></a> is defined by default. When <a class="link" href="reference.html#ratio.reference.config_hpp.version" title="Version"><code class="computeroutput">BOOST_RATIO_VERSION </code></a> is 2 <a class="link" href="reference.html#ratio.reference.config_hpp.deprecated" title="Deprecated"><code class="computeroutput">BOOST_RATIO_DONT_PROVIDE_DEPRECATED_FEATURES_SINCE_V2_0_0 </code></a> is defined by default. </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.config_hpp.assert"></a><a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert">Static Assert</a> </h4></div></div></div> When BOOST_NO_STATIC_ASSERT is defined, the user can select the way static assertions are reported. Define <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_STATIC_ASSERT</code></a> to use Boost.StaticAssert. </li> <li class="listitem"> <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_MPL_ASSERT</code></a> to use Boost.MPL static assertions. </li> <li class="listitem"> <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_ARRAY_ASSERT</code></a> to use Boost.Ratio internal static assertions. </li> </ul></div> The default behavior is as if <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_ARRAY_ASSERT</code></a> was defined. When <a class="link" href="reference.html#ratio.reference.config_hpp.assert" title="Static Assert"><code class="computeroutput">BOOST_RATIO_USES_MPL_ASSERT</code></a> is not defined the following symbols are defined as shown: <pre class="programlisting">#define BOOST_RATIO_OVERFLOW_IN_ADD "overflow in ratio add" #define BOOST_RATIO_OVERFLOW_IN_SUB "overflow in ratio sub" #define BOOST_RATIO_OVERFLOW_IN_MUL "overflow in ratio mul" #define BOOST_RATIO_OVERFLOW_IN_DIV "overflow in ratio div" #define BOOST_RATIO_NUMERATOR_IS_OUT_OF_RANGE "ratio numerator is out of range" #define BOOST_RATIO_DIVIDE_BY_0 "ratio divide by 0" #define BOOST_RATIO_DENOMINATOR_IS_OUT_OF_RANGE "ratio denominator is out of range" </pre> Depending upon the static assertion system used, a hint as to the failing assertion will appear in some form in the compiler diagnostic output. </div> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="ratio.reference.std"></a><a class="link" href="reference.html#ratio.reference.std" title="C++0x Recommendation">C++0x Recommendation</a> </h3></div></div></div> <div class="toc"><dl class="toc"> <dt><a href="reference.html#ratio.reference.std.ratio_ratio_hpp">Header <code class="computeroutput"><boost/ratio.hpp></code></a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_fwdhpp">Header <code class="computeroutput"><boost/ratio/ratio_fwd.hpp></code></a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp">Header <code class="computeroutput"><boost/ratio/ratio.hpp></code></a></dt> </dl></div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.std.ratio_ratio_hpp"></a><a class="link" href="reference.html#ratio.reference.std.ratio_ratio_hpp" title="Header <boost/ratio.hpp>">Header <code class="computeroutput"><boost/ratio.hpp></code></a> </h4></div></div></div> This header includes all the ratio related header files <pre class="programlisting">#include <boost/ratio/ratio.hpp> #include <boost/ratio/ratio_io.hpp> #include <boost/ratio/rational_constant.hpp> </pre> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.std.ratio_fwdhpp"></a><a class="link" href="reference.html#ratio.reference.std.ratio_fwdhpp" title="Header <boost/ratio/ratio_fwd.hpp>">Header <code class="computeroutput"><boost/ratio/ratio_fwd.hpp></code></a> </h4></div></div></div> This header provides forward declarations for the <code class="computeroutput"><boost/ratio/ratio.hpp></code> file. <pre class="programlisting">namespace boost { template <boost::intmax_t N, boost::intmax_t D = 1> class <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a>; // ratio arithmetic template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_add</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_subtract</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_multiply</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_divide</code></a>; #ifdef BOOST_RATIO_EXTENSIONS template <class R,int P> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_power</code></a>; template <class R> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_negate</code></a>; template <class R> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_sign</code></a>; template <class R> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_abs</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_gcd</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic" title="ratio Arithmetic"><code class="computeroutput">ratio_lcm</code></a>; #endif // ratio comparison template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_equal</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_not_equal</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_less</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_less_equal</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_greater</code></a>; template <class R1, class R2> struct <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison" title="ratio Comparison"><code class="computeroutput">ratio_greater_equal</code></a>; // convenience SI typedefs typedef ratio<1LL, 1000000000000000000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">atto</code></a>; typedef ratio<1LL, 1000000000000000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">femto</code></a>; typedef ratio<1LL, 1000000000000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">pico</code></a>; typedef ratio<1LL, 1000000000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">nano</code></a>; typedef ratio<1LL, 1000000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">micro</code></a>; typedef ratio<1LL, 1000LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">milli</code></a>; typedef ratio<1LL, 100LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">centi</code></a>; typedef ratio<1LL, 10LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">deci</code></a>; typedef ratio< 10LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">deca</code></a>; typedef ratio< 100LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">hecto</code></a>; typedef ratio< 1000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">kilo</code></a>; typedef ratio< 1000000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">mega</code></a>; typedef ratio< 1000000000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">giga</code></a>; typedef ratio< 1000000000000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">tera</code></a>; typedef ratio< 1000000000000000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">peta</code></a>; typedef ratio<1000000000000000000LL, 1LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs" title="SI typedefs"><code class="computeroutput">exa</code></a>; #ifdef BOOST_RATIO_EXTENSIONS // convenience IEC typedefs typedef ratio< 1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">kibi</code></a>; typedef ratio< 1024LL*1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">mebi</code></a>; typedef ratio< 1024LL*1024LL*1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">gibi</code></a>; typedef ratio< 1024LL*1024LL*1024LL*1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">tebi</code></a>; typedef ratio< 1024LL*1024LL*1024LL*1024LL*1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">pebi</code></a>; typedef ratio<1024LL*1024LL*1024LL*1024LL*1024LL*1024LL> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs" title="IEC typedefs"><code class="computeroutput">exbi</code></a>; #endif } </pre> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="ratio.reference.std.ratio_hpp"></a><a class="link" href="reference.html#ratio.reference.std.ratio_hpp" title="Header <boost/ratio/ratio.hpp>">Header <code class="computeroutput"><boost/ratio/ratio.hpp></code></a> </h4></div></div></div> <div class="toc"><dl class="toc"> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.ratio">Class Template <code class="computeroutput">ratio<></code></a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.ratio_arithmetic"><code class="computeroutput">ratio</code> Arithmetic</a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.ratio_comparison"><code class="computeroutput">ratio</code> Comparison</a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.ratio_si_typedefs">SI typedefs</a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.ratio_iec_typedefs">IEC typedefs</a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.limitations">Limitations</a></dt> <dt><a href="reference.html#ratio.reference.std.ratio_hpp.extensions">Extensions</a></dt> </dl></div> <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a> is a facility which is useful in specifying compile-time rational constants. Compile-time rational arithmetic is supported with protection against overflow and divide by zero. Such a facility is very handy to efficiently represent 1/3 of a nanosecond, or to specify an inch in terms of meters (for example 254/10000 meters - which <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a> will reduce to 127/5000 meters). <div class="section"> <div class="titlepage"><div><div><h5 class="title"> <a name="ratio.reference.std.ratio_hpp.ratio"></a><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>">Class Template <code class="computeroutput">ratio<></code></a> </h5></div></div></div> <pre class="programlisting">template <boost::intmax_t N, boost::intmax_t D> class ratio { public: static const boost::intmax_t num; static const boost::intmax_t den; typedef ratio<num, den> type; #ifdef <a class="link" href="reference.html#ratio.reference.config_hpp.ext" title="Extensions"><code class="computeroutput">BOOST_RATIO_EXTENSIONS</code></a> typedef mpl::rational_c_tag tag; typedef boost::rational<boost::intmax_t> value_type; typedef boost::intmax_t num_type; typedef boost::intmax_t den_type; ratio() = default; template <intmax_t _N2, intmax_t _D2> ratio(const ratio<_N2, _D2>&); template <intmax_t _N2, intmax_t _D2> ratio& operator=(const ratio<_N2, _D2>&); static value_type value(); value_type operator()() const; #endif }; </pre> A diagnostic will be emitted if <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a> is instantiated with <code class="computeroutput">D == 0</code>, or if the absolute value of <code class="computeroutput">N</code> or <code class="computeroutput">D</code> cannot be represented. Note: These rules ensure that infinite ratios are avoided and that for any negative input, there exists a representable value of its absolute value which is positive. In a two's complement representation, this excludes the most negative value. The members num and den will be normalized values of the template arguments N and D computed as follows. Let <code class="computeroutput">gcd</code> denote the greatest common divisor of <code class="computeroutput">N</code>'s absolute value and of <code class="computeroutput">D</code>'s absolute value. Then: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <code class="computeroutput">num</code> has the value <code class="computeroutput">sign(N)*sign(D)*abs(N)/gcd</code>. </li> <li class="listitem"> <code class="computeroutput">den</code> has the value <code class="computeroutput">abs(D)/gcd</code>. </li> </ul></div> The nested typedef <code class="computeroutput">type</code> denotes the normalized form of this <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a> type. It should be used when the normalized form of the template arguments are required, since the arguments are not necessarily normalized. Two <a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a> classes <code class="computeroutput"><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a><N1,D1></code> and <code class="computeroutput"><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a><N2,D2></code> have the same normalized form if <code class="computeroutput"><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a><N1,D1>::type</code> is the same type as <code class="computeroutput"><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio" title="Class Template ratio<>"><code class="computeroutput">ratio</code></a><N2,D2>::type</code> <div class="section"> <div class="titlepage"><div><div><h6 class="title"> <a name="ratio.reference.std.ratio_hpp.ratio.ca"></a><a class="link" href="reference.html#ratio.reference.std.ratio_hpp.ratio.ca" title="Construction and Assignment">Construction