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| <div class="titlepage"><div><div><h2 class="title" style="clear: both"> |
| <a name="hash.changes"></a><a class="link" href="changes.html" title="Change Log">Change Log</a> |
| </h2></div></div></div> |
| <a name="hash.changes.boost_1_33_0"></a><h3> |
| <a name="id1289866"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_33_0">Boost 1.33.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> |
| Initial Release |
| </li></ul></div> |
| <a name="hash.changes.boost_1_33_1"></a><h3> |
| <a name="id1289896"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_33_1">Boost 1.33.1</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> |
| Fixed the points example, as pointed out by 沈慧峰. |
| </li></ul></div> |
| <a name="hash.changes.boost_1_34_0"></a><h3> |
| <a name="id1289929"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_34_0">Boost 1.34.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Use declarations for standard classes, so that the library doesn't need |
| to include all of their headers |
| </li> |
| <li class="listitem"> |
| Deprecated the <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">hash</span><span class="special">/*.</span><span class="identifier">hpp</span><span class="special">></span></code> headers. Now a single header, <<code class="computeroutput"><a class="link" href="reference.html#header.boost.functional.hash_hpp" title="Header <boost/functional/hash.hpp>">boost/functional/hash.hpp</a></code>> |
| is used. |
| </li> |
| <li class="listitem"> |
| Add support for the <code class="computeroutput"><span class="identifier">BOOST_HASH_NO_EXTENSIONS</span></code> |
| macro, which disables the extensions to TR1. |
| </li> |
| <li class="listitem"> |
| Minor improvements to the hash functions for floating point numbers. |
| </li> |
| <li class="listitem"> |
| Update the portable example to hopefully be more generally portable. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_34_1"></a><h3> |
| <a name="id1290059"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_34_1">Boost 1.34.1</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/952" target="_top">Ticket 952</a>: |
| Suppress incorrect 64-bit warning on Visual C++. |
| </li></ul></div> |
| <a name="hash.changes.boost_1_35_0"></a><h3> |
| <a name="id1290096"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_35_0">Boost 1.35.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Support for <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">long</span></code>, |
| <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">complex</span></code>. |
| </li> |
| <li class="listitem"> |
| <p class="simpara"> |
| Improved algorithm for hashing floating point numbers: |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="circle"> |
| <li class="listitem"> |
| Improved portablity, as described by Daniel Krügler in <a href="http://lists.boost.org/boost-users/2005/08/13418.php" target="_top">a |
| post to the boost users list</a>. |
| </li> |
| <li class="listitem"> |
| Fits more information into each combine loop, which can reduce the |
| the number of times combine is called and hopefully give a better quality |
| hash function. |
| </li> |
| <li class="listitem"> |
| Improved the algorithm for hashing floating point numbers. |
| </li> |
| <li class="listitem"> |
| On Cygwin use a binary hash function for floating point numbers, as |
| Cygwin doesn't have decent floating point functions for <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>. |
| </li> |
| <li class="listitem"> |
| Never uses <code class="computeroutput"><span class="identifier">fpclass</span></code> |
| which doesn't support <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>. |
| </li> |
| <li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/1064" target="_top">Ticket 1064</a>: |
| Removed unnecessary use of <code class="computeroutput"><span class="identifier">errno</span></code>. |
| </li> |
| </ul></div> |
| </li> |
| <li class="listitem"> |
| Explicitly overload for more built in types. |
| </li> |
| <li class="listitem"> |
| Minor improvements to the documentation. |
| </li> |
| <li class="listitem"> |
| <p class="simpara"> |
| A few bug and warning fixes: |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="circle"> |
| <li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/1509" target="_top">Ticket 1509</a>: |
| Suppress another Visual C++ warning. |
| </li> |
| <li class="listitem"> |
| Some workarounds for the Sun compilers. |
| </li> |
| </ul></div> |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_36_0"></a><h3> |
| <a name="id1290329"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_36_0">Boost 1.36.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Stop using OpenBSD's dodgy <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span></code>. |
| </li> |
| <li class="listitem"> |
| Using the boost typedefs for <code class="computeroutput"><span class="keyword">long</span> |
| <span class="keyword">long</span></code> and <code class="computeroutput"><span class="keyword">unsigned</span> |
| <span class="keyword">long</span> <span class="keyword">long</span></code>. |
| </li> |
| <li class="listitem"> |
| Move the extensions into their own header. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_37_0"></a><h3> |
| <a name="id1290427"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_37_0">Boost 1.37.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/2264" target="_top">Ticket 2264</a>: |
| In Visual C++, always use C99 float functions for <code class="computeroutput"><span class="keyword">long</span> |
| <span class="keyword">double</span></code> and <code class="computeroutput"><span class="keyword">float</span></code> |
| as the C++ overloads aren't always availables. |
| </li></ul></div> |
| <a name="hash.changes.boost_1_38_0"></a><h3> |
| <a name="id1290489"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_38_0">Boost 1.38.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Changed the warnings in the deprecated headers from 1.34.0 to errors. These |
| will be removed in a future version of Boost. |
| </li> |
| <li class="listitem"> |
| Moved detail headers out of <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">detail</span></code>, |
| since they are part of functional/hash, not functional. <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">container_fwd</span><span class="special">.</span><span class="identifier">hpp</span></code> |
| has been moved to <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">container_fwd</span><span class="special">.</span><span class="identifier">hpp</span></code> |
| as it's used outside of this library, the others have been moved to <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">hash</span><span class="special">/</span><span class="identifier">detail</span></code>. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_39_0"></a><h3> |
| <a name="id1290672"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_39_0">Boost 1.39.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Move the hash_fwd.hpp implementation into the hash subdirectory, leaving |
| a forwarding header in the old location. You should still use the old location, |
| the new location is mainly for implementation and possible modularization. |
| </li> |
| <li class="listitem"> |
| <a href="https://svn.boost.org/trac/boost/ticket/2412" target="_top">Ticket 2412</a>: |
| Removed deprecated headers. |
| </li> |
| <li class="listitem"> |
| <a href="https://svn.boost.org/trac/boost/ticket/2957" target="_top">Ticket 2957</a>: |
| Fix configuration for vxworks. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_40_0"></a><h3> |
| <a name="id1290733"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_40_0">Boost 1.40.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Automatically configure the float functions using template metaprogramming |
| instead of trying to configure every possibility manually. |
| </li> |
| <li class="listitem"> |
| Workaround for when STLport doesn't support long double. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_42_0"></a><h3> |
| <a name="id1290773"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_42_0">Boost 1.42.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| Reduce the number of warnings for Visual C++ warning level 4. |
| </li> |
| <li class="listitem"> |
| Some code formatting changes to fit lines into 80 characters. |
| </li> |
| <li class="listitem"> |
| Rename an internal namespace. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_43_0"></a><h3> |
| <a name="id1290819"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_43_0">Boost 1.43.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <a href="https://svn.boost.org/trac/boost/ticket/3866" target="_top">Ticket 3866</a>: |
| Don't foward declare containers when using gcc's parallel library, allow |
| user to stop forward declaration by defining the <code class="computeroutput"><span class="identifier">BOOST_DETAIL_NO_CONTAINER_FWD</span></code> |
| macro. |
| </li> |
| <li class="listitem"> |
| <a href="https://svn.boost.org/trac/boost/ticket/4038" target="_top">Ticket 4038</a>: |
| Avoid hashing 0.5 and 0 to the same number. |
| </li> |
| <li class="listitem"> |
| Stop using deprecated <code class="computeroutput"><span class="identifier">BOOST_HAS_</span><span class="special">*</span></code> macros. |
| </li> |
| </ul></div> |
| <a name="hash.changes.boost_1_44_0"></a><h3> |
| <a name="id1290901"></a> |
| <a class="link" href="changes.html#hash.changes.boost_1_44_0">Boost 1.44.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"> |
| Add option to prevent implicit conversions when calling <code class="computeroutput"><span class="identifier">hash_value</span></code> |
| by defining <code class="computeroutput"><span class="identifier">BOOST_HASH_NO_IMPLICIT_CASTS</span></code>. |
| When using <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">hash</span></code> for a type that does not have <code class="computeroutput"><span class="identifier">hash_value</span></code> declared but does have an |
| implicit conversion to a type that does, it would use that implicit conversion |
| to hash it. Which can sometimes go very wrong, e.g. using a conversion |
| to bool and only hashing to 2 possible values. Since fixing this is a breaking |
| change and was only approached quite late in the release cycle with little |
| discussion it's opt-in for now. This, or something like it, will become |
| the default in a future version. |
| </li></ul></div> |
| </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 © 2005-2008 Daniel |
| James<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> |
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