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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_multiprecision.map.hist"></a><a class="link" href="hist.html" title="History">History</a>
</h3></div></div></div>
<h5>
<a name="boost_multiprecision.map.hist.h0"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_3_boost_1_57"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_3_boost_1_57">Multiprecision-2.2.3
(Boost-1.57)</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Changed rational to float conversions to exactly round to nearest, see
[https://svn.boost.org/trac/boost/ticket/10085 10085].
</li>
<li class="listitem">
Added improved generic float to rational conversions.
</li>
<li class="listitem">
Fixed rare bug in exponent function for <a class="link" href="../tut/floats/cpp_bin_float.html" title="cpp_bin_float">cpp_bin_float</a>.
</li>
<li class="listitem">
Fixed various minor documentation issues.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h1"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_2_boost_1_56"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_2_boost_1_56">Multiprecision-2.2.2
(Boost-1.56)</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Change floating point to rational conversions to be implicit, see <a href="https://svn.boost.org/trac/boost/ticket/10082" target="_top">10082</a>.
</li>
<li class="listitem">
Fix definition of checked_cpp_rational typedef.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h2"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_1"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_1">Multiprecision-2.2.1</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
Fix bug in assignment from string in cpp_int, see <a href="https://svn.boost.org/trac/boost/ticket/9936" target="_top">9936</a>.
</li></ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h3"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_0"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_0">Multiprecision-2.2.0</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Moved to Boost.Multiprecision specific version number - we have one breaking
change in Boost-1.54 which makes this major version 2, plus two releases
with new features since then.
</li>
<li class="listitem">
Added new <a class="link" href="../tut/floats/cpp_bin_float.html" title="cpp_bin_float">cpp_bin_float</a>
backend for binary floating point.
</li>
<li class="listitem">
Added MSVC-specific #include for compiler intrinsics, see <a href="https://svn.boost.org/trac/boost/ticket/9336" target="_top">9336</a>.
</li>
<li class="listitem">
Fixed various typos in docs, see <a href="https://svn.boost.org/trac/boost/ticket/9432" target="_top">9432</a>.
</li>
<li class="listitem">
Fixed <a class="link" href="../tut/rational/gmp_rational.html" title="gmp_rational">gmp_rational</a>
to allow move-copy from an already copied-from object, see <a href="https://svn.boost.org/trac/boost/ticket/9497" target="_top">9497</a>.
</li>
<li class="listitem">
Added list of values for numeric_limits.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h4"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.boost_1_55"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.boost_1_55">Boost-1.55</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Added support for Boost.Serialization.
</li>
<li class="listitem">
Suppressed some GCC warnings. See <a href="https://svn.boost.org/trac/boost/ticket/8872" target="_top">8872</a>.
</li>
<li class="listitem">
Fixed bug in pow for large integer arguments. See <a href="https://svn.boost.org/trac/boost/ticket/8809" target="_top">8809</a>.
</li>
<li class="listitem">
Fixed bug in pow for calculation of 0<sup>N</sup>. See <a href="https://svn.boost.org/trac/boost/ticket/8798" target="_top">8798</a>.
</li>
<li class="listitem">
Fixed bug in fixed precision cpp_int IO code that causes conversion to
string to fail when the bit count is very small (less than CHAR_BIT).
See <a href="https://svn.boost.org/trac/boost/ticket/8745" target="_top">8745</a>.
</li>
<li class="listitem">
Fixed bug in cpp_int that causes left shift to fail when a fixed precision
type would overflow. See <a href="https://svn.boost.org/trac/boost/ticket/8741" target="_top">8741</a>.
</li>
<li class="listitem">
Fixed some cosmetic warnings from cpp_int. See <a href="https://svn.boost.org/trac/boost/ticket/8748" target="_top">8748</a>.
</li>
<li class="listitem">
Fixed calls to functions which are required to be macros in C99. See
<a href="https://svn.boost.org/trac/boost/ticket/8732" target="_top">8732</a>.
</li>
<li class="listitem">
Fixed bug that causes construction from INT_MIN, LONG_MIN etc to fail
in cpp_int. See <a href="https://svn.boost.org/trac/boost/ticket/8711" target="_top">8711</a>.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h5"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.1_54"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.1_54">1.54</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<span class="bold"><strong>Breaking change</strong></span> renamed <code class="computeroutput"><span class="identifier">rational_adapter</span></code> to <code class="computeroutput"><span class="identifier">rational_adaptor</span></code>.
</li>
<li class="listitem">
Add support for <a href="http://perso.ens-lyon.fr/nathalie.revol/software.html" target="_top">MPFI</a>.
</li>
<li class="listitem">
Add logged_adaptor.
</li>
<li class="listitem">
Add support for 128-bit floats via GCC's <code class="computeroutput"><a class="link" href="../tut/floats/float128.html" title="float128">float128</a></code>
or Intel's <code class="computeroutput"><span class="identifier">_Quad</span></code> data
types.
</li>
<li class="listitem">
Add support for user-defined literals in cpp_int, improve <code class="computeroutput"><span class="keyword">constexpr</span></code> support.
</li>
<li class="listitem">
Fixed bug in integer division of <code class="computeroutput"><span class="identifier">cpp_int</span></code>
that results in incorrect sign of <code class="computeroutput"><span class="identifier">cpp_int</span></code>
when both arguments are small enough to fit in a <code class="computeroutput"><span class="identifier">double_limb_type</span></code>.
See <a href="https://svn.boost.org/trac/boost/ticket/8126" target="_top">8126</a>.
</li>
<li class="listitem">
Fixed bug in subtraction of a single limb in <code class="computeroutput"><span class="identifier">cpp_int</span></code>
that results in incorrect value when the result should have a 0 in the
last limb: <a href="https://svn.boost.org/trac/boost/ticket/8133" target="_top">8133</a>.
</li>
<li class="listitem">
Fixed bug in <code class="computeroutput"><span class="identifier">cpp_int</span></code>
where division of 0 by something doesn't get zero in the result: <a href="https://svn.boost.org/trac/boost/ticket/8160" target="_top">8160</a>.
</li>
<li class="listitem">
Fixed bug in some transcendental functions that caused incorrect return
values when variables are reused, for example with <code class="computeroutput"><span class="identifier">a</span>
<span class="special">=</span> <span class="identifier">pow</span><span class="special">(</span><span class="identifier">a</span><span class="special">,</span> <span class="identifier">b</span><span class="special">)</span></code>. See <a href="https://svn.boost.org/trac/boost/ticket/8326" target="_top">8326</a>.
</li>
<li class="listitem">
Fixed some assignment operations in the mpfr and gmp backends to be safe
if the target has been moved from: <a href="https://svn.boost.org/trac/boost/ticket/8326" target="_top">8667</a>.
</li>
<li class="listitem">
Fixed bug in <code class="computeroutput"><span class="identifier">cpp_int</span></code>
that gives incorrect answer for 0%N for large N: <a href="https://svn.boost.org/trac/boost/ticket/8670" target="_top">8670</a>.
</li>
<li class="listitem">
Fixed set_precision in mpfr backend so it doesn't trample over an existing
value: <a href="https://svn.boost.org/trac/boost/ticket/8692" target="_top">8692</a>.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h6"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.1_53"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.1_53">1.53</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
First Release.
</li>
<li class="listitem">
Fix bug in <a href="https://svn.boost.org/trac/boost/ticket/7878" target="_top">cpp_int
division</a>.
</li>
<li class="listitem">
Fix issue <a href="https://svn.boost.org/trac/boost/ticket/7806" target="_top">#7806</a>.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h7"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.post_review_changes"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.post_review_changes">Post
review changes</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Non-expression template operators further optimised with rvalue reference
support.
</li>
<li class="listitem">
Many functions made <code class="computeroutput"><span class="identifier">constexp</span></code>.
</li>
<li class="listitem">
Differentiate between explicit and implicit conversions in the number
constructor.
</li>
<li class="listitem">
Removed "mp_" prefix from types.
</li>
<li class="listitem">
Allowed mixed precision arithmetic.
</li>
<li class="listitem">
Changed ExpressionTemplates parameter to class <code class="computeroutput"><span class="identifier">number</span></code>
to use enumerated values rather than true/false.
</li>
<li class="listitem">
Changed ExpressionTemplate parameter default value to use a traits class
so that the default value depends on the backend used.
</li>
<li class="listitem">
Added support for fused-multiply-add/subtract with GMP support.
</li>
<li class="listitem">
Tweaked expression template unpacking to use fewer temporaries when the
LHS also appears in the RHS.
</li>
<li class="listitem">
Refactored <code class="computeroutput"><span class="identifier">cpp_int_backend</span></code>
based on review comments with new template parameter structure.
</li>
<li class="listitem">
Added additional template parameter to <code class="computeroutput"><span class="identifier">mpfr_float_backend</span></code>
to allow stack-based allocation.
</li>
<li class="listitem">
Added section on mixed precision arithmetic, and added support for operations
yielding a higher precision result than either of the arguments.
</li>
<li class="listitem">
Added overloads of integer-specific functions for built in integer types.
</li>
</ul></div>
<h5>
<a name="boost_multiprecision.map.hist.h8"></a>
<span class="phrase"><a name="boost_multiprecision.map.hist.pre_review_history"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.pre_review_history">Pre-review
history</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
2011-2012, John Maddock adds an expression template enabled front end
to Christopher's code, and adds support for other backends.
</li>
<li class="listitem">
2011, Christopher Kormanyos publishes the decimal floating point code
under the Boost Software Licence. The code is published as: <a href="http://doi.acm.org/10.1145/1916461.1916469" target="_top">"Algorithm
910: A Portable C++ Multiple-Precision System for Special-Function Calculations"</a>,
in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011.
</li>
<li class="listitem">
2002-2011, Christopher Kormanyos develops the all C++ decimal arithmetic
floating point code.
</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 © 2002-2013 John Maddock and Christopher Kormanyos<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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