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| <div class="section"> |
| <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> |
| <h3> |
| <a name="hash.changes.h0"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_33_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_33_0">Boost |
| 1.33.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| Initial Release |
| </li></ul></div> |
| <h3> |
| <a name="hash.changes.h1"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_33_1"></a></span><a class="link" href="changes.html#hash.changes.boost_1_33_1">Boost |
| 1.33.1</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| Fixed the points example, as pointed out by 沈慧峰. |
| </li></ul></div> |
| <h3> |
| <a name="hash.changes.h2"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_34_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_34_0">Boost |
| 1.34.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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="comment">/*.hpp></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> |
| <h3> |
| <a name="hash.changes.h3"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_34_1"></a></span><a class="link" href="changes.html#hash.changes.boost_1_34_1">Boost |
| 1.34.1</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h4"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_35_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_35_0">Boost |
| 1.35.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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"> |
| Improved algorithm for hashing floating point numbers: |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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"> |
| A few bug and warning fixes: |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h5"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_36_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_36_0">Boost |
| 1.36.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h6"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_37_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_37_0">Boost |
| 1.37.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h7"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_38_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_38_0">Boost |
| 1.38.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h8"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_39_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_39_0">Boost |
| 1.39.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h9"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_40_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_40_0">Boost |
| 1.40.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h10"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_42_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_42_0">Boost |
| 1.42.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h11"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_43_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_43_0">Boost |
| 1.43.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h12"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_44_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_44_0">Boost |
| 1.44.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-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> |
| <h3> |
| <a name="hash.changes.h13"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_46_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_46_0">Boost |
| 1.46.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| Avoid warning due with gcc's <code class="computeroutput"><span class="special">-</span><span class="identifier">Wconversion</span></code> flag. |
| </li></ul></div> |
| <h3> |
| <a name="hash.changes.h14"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_50_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_50_0">Boost |
| 1.50.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/6771" target="_top">Ticket 6771</a>: |
| Avoid gcc's <code class="computeroutput"><span class="special">-</span><span class="identifier">Wfloat</span><span class="special">-</span><span class="identifier">equal</span></code> |
| warning. |
| </li> |
| <li class="listitem"> |
| <a href="http://svn.boost.org/trac/boost/ticket/6806" target="_top">Ticket 6806</a>: |
| Support <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">array</span></code> and <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">tuple</span></code> |
| when available. |
| </li> |
| <li class="listitem"> |
| Add deprecation warning to the long deprecated <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>. |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h15"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_51_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_51_0">Boost |
| 1.51.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| Support the standard smart pointers. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">hash_value</span></code> now implemented |
| using SFINAE to avoid implicit casts to built in types when calling it. |
| </li> |
| <li class="listitem"> |
| Updated to use the new config macros. |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h16"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_52_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_52_0">Boost |
| 1.52.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| Restore <code class="computeroutput"><span class="keyword">enum</span></code> support, which |
| was accidentally removed in the last version. |
| </li> |
| <li class="listitem"> |
| New floating point hasher - will hash the binary representation on more |
| platforms, which should be faster. |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h17"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_53_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_53_0">Boost |
| 1.53.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| Add support for <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">int128_type</span></code> and <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint128_type</span></code> |
| where available - currently only <code class="computeroutput"><span class="identifier">__int128</span></code> |
| and <code class="computeroutput"><span class="keyword">unsigned</span> <span class="identifier">__int128</span></code> |
| on some versions of gcc. |
| </li> |
| <li class="listitem"> |
| On platforms that are known to have the standard floating point functions, |
| don't use automatic detection - which can break if there are ambiguous |
| overloads. |
| </li> |
| <li class="listitem"> |
| Fix undefined behaviour when using the binary float hash (Thomas Heller). |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h18"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_54_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_54_0">Boost |
| 1.54.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| <a href="https://svn.boost.org/trac/boost/ticket/7957" target="_top">Ticket 7957</a>: |
| Fixed a typo. |
| </li></ul></div> |
| <h3> |
| <a name="hash.changes.h19"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_55_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_55_0">Boost |
| 1.55.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| Simplify a SFINAE check so that it will hopefully work on Sun 5.9 (<a href="https://svn.boost.org/trac/boost/ticket/8822" target="_top">#8822</a>). |
| </li> |
| <li class="listitem"> |
| Suppress Visual C++ infinite loop warning (<a href="https://svn.boost.org/trac/boost/ticket/8568" target="_top">#8568</a>). |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h20"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_56_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_56_0">Boost |
| 1.56.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| Removed some Visual C++ 6 workarounds. |
| </li> |
| <li class="listitem"> |
| Ongoing work on improving <code class="computeroutput"><span class="identifier">hash_combine</span></code>. |
| This changes the combine function which was previously defined in the reference |
| documentation. |
| </li> |
| </ul></div> |
| <h3> |
| <a name="hash.changes.h21"></a> |
| <span class="phrase"><a name="hash.changes.boost_1_58_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_58_0">Boost |
| 1.58.0</a> |
| </h3> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| Fixed strict aliasing violation (<a href="https://github.com/boostorg/functional/pull/3" target="_top">GitHub |
| #3</a>). |
| </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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