<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Release Notes</title> <link rel="stylesheet" href="../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../boost_units.html" title="Chapter 26. Boost.Units 1.0.0"> <link rel="prev" href="HelpWanted.html" title="Help Wanted"> <link rel="next" href="TODO.html" title="TODO"> </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 href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="HelpWanted.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost_units.html"><img src="../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="TODO.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> <a name="boost_units.ReleaseNotes"></a><a class="link" href="ReleaseNotes.html" title="Release Notes"> Release Notes</a> </h2></div></div></div> <p> 1.0.0 (August 1, 2008) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> Initial release with Boost 1.36 </li></ul></div> <p> 0.7.1 (March 14, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> Boost.Typeof emulation support </li> <li class="listitem"> attempting to rebind a heterogeneous_system to a different set of dimensions now fails. </li> <li class="listitem"> cmath.hpp now works with como-win32 </li> <li class="listitem"> minor changes to the tests and examples to make msvc 7.1 happy </li> </ul></div> <p> 0.7.0 (March 13, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> heterogeneous and mixed system functionality added </li> <li class="listitem"> added fine-grained implicit unit conversion on a per fundamental dimension basis </li> <li class="listitem"> added a number of utility metafunction classes and predicates </li> <li class="listitem"> <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.operators_hpp" title="Header <boost/units/operators.hpp>">boost/units/operators.hpp</a></code> now uses <code class="computeroutput"><span class="identifier">BOOST_TYPEOF</span></code> when possible </li> <li class="listitem"> angular units added in <code class="computeroutput">boost/units/systems/trig.hpp</code> - implicit conversion of radians between trigonometric, SI, and CGS systems allowed </li> <li class="listitem"> a variety of <span class="underline"><code class="computeroutput"><a class="link" href="../boost/units/unit.html" title="Class template unit">unit</a></code></span> and <span class="underline"><code class="computeroutput"><a class="link" href="../boost/units/quantity.html" title="Class template quantity">quantity</a></code></span> tests added </li> <li class="listitem"> examples now provide self-tests </li> </ul></div> <p> 0.6.2 (February 22, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> changed template order in <code class="computeroutput"><span class="identifier">unit</span></code> so dimension precedes unit system </li> <li class="listitem"> added <code class="computeroutput"><span class="identifier">homogeneous_system</span><span class="special"><</span><span class="identifier">S</span><span class="special">></span></code> for unit systems </li> <li class="listitem"> incorporated changes to <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.dimension_hpp" title="Header <boost/units/dimension.hpp>">boost/units/dimension.hpp</a></code> (compile-time sorting by predicate), <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.conversion_hpp" title="Header <boost/units/conversion.hpp>">boost/units/conversion.hpp</a></code> (thread-safe implementation of quantity conversions), and <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.io_hpp" title="Header <boost/units/io.hpp>">boost/units/io.hpp</a></code> (now works with any <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span></code>) by SW </li> <li class="listitem"> added abstract units in <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.systems.abstract_hpp" title="Header <boost/units/systems/abstract.hpp>">boost/units/systems/abstract.hpp</a></code> to allow abstract dimensional analysis </li> <li class="listitem"> new example demonstrating implementation of code based on requirements from Michael Fawcett (<a href="../../../libs/units/example/radar_beam_height.cpp" target="_top">radar_beam_height.cpp</a>) </li> </ul></div> <p> 0.6.1 (February 13, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> added metafunctions to test if a type is <div class="itemizedlist"><ul class="itemizedlist" type="circle"> <li class="listitem"> a valid dimension list (<code class="computeroutput"><span class="identifier">is_dimension_list</span><span class="special"><</span><span class="identifier">D</span><span class="special">></span></code>) </li> <li class="listitem"> a unit (<code class="computeroutput"><span class="identifier">is_unit</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span></code> and <code class="computeroutput"><span class="identifier">is_unit_of_system</span><span class="special"><</span><span class="identifier">U</span><span class="special">,</span><span class="identifier">System</span><span class="special">></span></code>) </li> <li class="listitem"> a quantity (<code class="computeroutput"><span class="identifier">is_quantity</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span></code> and <code class="computeroutput"><span class="identifier">is_quantity_of_system</span><span class="special"><</span><span class="identifier">Q</span><span class="special">,</span><span class="identifier">System</span><span class="special">></span></code>) </li> </ul></div> </li> <li class="listitem"> quantity conversion factor is now computed at compile time </li> <li class="listitem"> static constants now avoid ODR problems </li> <li class="listitem"> unit_example_14.cpp now uses Boost.Timer </li> <li class="listitem"> numerous minor fixes suggested by SW </li> </ul></div> <p> 0.6.0 (February 8, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> incorporated Steven Watanabe's optimized code for dimension.hpp, leading to <span class="bold"><strong>dramatic</strong></span> decreases in compilation time (nearly a factor of 10 for unit_example_4.cpp in my tests). </li></ul></div> <p> 0.5.8 (February 7, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> fixed <code class="computeroutput"><span class="preprocessor">#include</span></code> in <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.systems.si.base_hpp" title="Header <boost/units/systems/si/base.hpp>">boost/units/systems/si/base.hpp</a></code> (thanks to Michael Fawcett and Steven Watanabe) </li> <li class="listitem"> removed references to obsolete <code class="computeroutput"><span class="identifier">base_type</span></code> in <span class="underline">__unit_info</span> (thanks to Michael Fawcett) </li> <li class="listitem"> moved functions in <code class="computeroutput"><a class="link" href="Reference.html#header.boost.units.cmath_hpp" title="Header <boost/units/cmath.hpp>">boost/units/cmath.hpp</a></code> into <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">units</span></code> namespace (thanks to Steven Watanabe) </li> <li class="listitem"> fixed <code class="computeroutput"><span class="preprocessor">#include</span></code> guards to be consistently named <code class="computeroutput"><span class="identifier">BOOST_UNITS_XXX</span></code> (thanks to Steven Watanabe) </li> </ul></div> <p> 0.5.7 (February 5, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> changed quantity conversion helper to increase flexibility </li> <li class="listitem"> minor documentation changes </li> <li class="listitem"> submitted for formal review as a Boost library </li> </ul></div> <p> 0.5.6 (January 22, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> added IEEE 1541 standard binary prefixes along with SI prefixes to and extended algebra of <code class="computeroutput"><span class="identifier">scale</span></code> and <code class="computeroutput"><span class="identifier">scaled_value</span></code> classes (thanks to Kevin Lynch) </li> <li class="listitem"> split SI units into separate header files to minimize the "kitchen sink" include problem (thanks to Janek Kozicki) </li> <li class="listitem"> added convenience classes for declaring fundamental dimensions and composite dimensions with integral powers (<code class="computeroutput"><span class="identifier">fundamental_dimension</span></code> and <code class="computeroutput"><span class="identifier">composite_dimension</span></code> respectively) </li> </ul></div> <p> 0.5.5 (January 18, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> template parameter order in <code class="computeroutput"><span class="identifier">quantity</span></code> switched and default <code class="computeroutput"><span class="identifier">value_type</span></code> of <code class="computeroutput"><span class="keyword">double</span></code> added (thanks to Andrey Semashev and Paul Bristow) </li> <li class="listitem"> added implicit <code class="computeroutput"><span class="identifier">value_type</span></code> conversion where allowed (thanks to Andrey Semashev) </li> <li class="listitem"> added <code class="computeroutput"><span class="identifier">quantity_cast</span></code> for three cases (thanks to Andrey Semashev): <div class="itemizedlist"><ul class="itemizedlist" type="circle"> <li class="listitem"> constructing <code class="computeroutput"><span class="identifier">quantity</span></code> from raw <code class="computeroutput"><span class="identifier">value_type</span></code> </li> <li class="listitem"> casting from one <code class="computeroutput"><span class="identifier">value_type</span></code> to another </li> <li class="listitem"> casting from one <code class="computeroutput"><span class="identifier">unit</span></code> to another (where conversion is allowed) </li> </ul></div> </li> <li class="listitem"> added<code class="computeroutput"> <span class="identifier">metre</span></code> and <code class="computeroutput"><span class="identifier">metres</span></code> and related constants to the SI system for the convenience of our Commonwealth friends... </li> </ul></div> <p> 0.5.4 (January 12, 2007) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> completely reimplemented unit conversion to allow for arbitrary unit conversions between systems </li> <li class="listitem"> strict quantity construction is default; quantities can be constructed from bare values by using static member <code class="computeroutput"><span class="identifier">from_value</span></code> </li> </ul></div> <p> 0.5.3 (December 12, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> added Boost.Serialization support to <code class="computeroutput"><span class="identifier">unit</span></code> and <code class="computeroutput"><span class="identifier">quantity</span></code> classes </li> <li class="listitem"> added option to enforce strict construction of quantities (only constructible by multiplication of scalar by unit or quantity by unit) by preprocessor <code class="computeroutput"><span class="identifier">MCS_STRICT_QUANTITY_CONSTRUCTION</span></code> switch </li> </ul></div> <p> 0.5.2 (December 4, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> added <code class="computeroutput"><span class="special"><</span><span class="identifier">cmath</span><span class="special">></span></code> wrappers in the <code class="computeroutput"><span class="identifier">std</span></code> namespace for functions that can support quantities </li></ul></div> <p> 0.5.1 (November 3, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> converted to Boost Software License </li> <li class="listitem"> boostified directory structure and file paths </li> </ul></div> <p> 0.5 (November 2, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> completely reimplemented SI and CGS unit systems and changed syntax for quantities </li> <li class="listitem"> significantly streamlined <code class="computeroutput"><span class="identifier">pow</span></code> and <code class="computeroutput"><span class="identifier">root</span></code> so for most applications it is only necessary to define <code class="computeroutput"><span class="identifier">power_typeof_helper</span></code> and <code class="computeroutput"><span class="identifier">root_typeof_helper</span></code> to gain this functionality </li> <li class="listitem"> added a selection of physical constants from the CODATA tables </li> <li class="listitem"> added a skeleton <code class="computeroutput"><span class="identifier">complex</span></code> class that correctly supports both <code class="computeroutput"><span class="identifier">complex</span><span class="special"><</span><span class="identifier">quantity</span><span class="special"><</span><span class="identifier">Y</span><span class="special">,</span><span class="identifier">Unit</span><span class="special">></span> <span class="special">></span></code> and <code class="computeroutput"><span class="identifier">quantity</span><span class="special"><</span><span class="identifier">complex</span><span class="special"><</span><span class="identifier">Y</span><span class="special">>,</span><span class="identifier">Unit</span><span class="special">></span></code> as an example </li> <li class="listitem"> investigate using Boost.Typeof for compilers that do not support <code class="computeroutput"><span class="identifier">typeof</span></code> </li> </ul></div> <p> 0.4 (October 13, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"> <code class="computeroutput"><span class="identifier">pow</span><span class="special"><</span><span class="identifier">R</span><span class="special">></span></code> and <code class="computeroutput"><span class="identifier">root</span><span class="special"><</span><span class="identifier">R</span><span class="special">></span></code> improved for user-defined types </li> <li class="listitem"> added unary + and unary - operators </li> <li class="listitem"> added new example of interfacing with <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">math</span><span class="special">::</span><span class="identifier">quaternion</span></code> </li> <li class="listitem"> added optional preprocessor switch to enable implicit unit conversions (<code class="computeroutput"><span class="identifier">BOOST_UNITS_ENABLE_IMPLICIT_UNIT_CONVERSIONS</span></code>) </li> </ul></div> <p> 0.3 (September 6, 2006) : </p> <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> Support for <code class="computeroutput"><span class="identifier">op</span><span class="special">(</span><span class="identifier">X</span> <span class="identifier">x</span><span class="special">,</span><span class="identifier">Y</span> <span class="identifier">y</span><span class="special">)</span></code> for g++ added. This is automatically active when compiling with gcc and can be optionally enabled by defining the preprocessor constant <code class="computeroutput"><span class="identifier">BOOST_UNITS_HAS_TYPEOF</span></code> </li></ul></div> <p> 0.2 (September 4, 2006) : Second alpha release based on slightly modified code from 0.1 release </p> <p> 0.1 (December 13, 2003) : written as a Boost demonstration of MPL-based dimensional analysis in 2003. </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003 -2008 Matthias Christian Schabel, 2007-2008 Steven Watanabe<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="HelpWanted.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost_units.html"><img src="../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="TODO.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>