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- </div>
- <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_3_2_3_boost_1_72"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_2_3_boost_1_72">Multiprecision-3.2.3
- (Boost-1.72)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
- Big <code class="computeroutput"><span class="keyword">constexpr</span></code> update allows
- <a class="link" href="../tut/ints/cpp_int.html" title="cpp_int">cpp_int</a>
- and <a class="link" href="../tut/floats/float128.html" title="float128">float128</a>
- arithmetic to be fully <code class="computeroutput"><span class="keyword">constexpr</span></code>
- with gcc and clang 9 or later, or any compiler supporting <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">is_constant_evaluated</span><span class="special">()</span></code>.
- </li></ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h1"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_3_1_3_boost_1_71"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_1_3_boost_1_71">Multiprecision-3.1.3
- (Boost-1.71)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Support hexfloat io-formatting for float128.
- </li>
- <li class="listitem">
- Fix various bugs in variable precision interconversions.
- </li>
- <li class="listitem">
- Respect uppercase for '0x' prefix outputs.
- </li>
- <li class="listitem">
- Incorporate some unit tests from the Etherium project.
- </li>
- <li class="listitem">
- Fix some gcc warnings.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h2"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_3_1_2_boost_1_70"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_1_2_boost_1_70">Multiprecision-3.1.2
- (Boost-1.70)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Fix various conversion issues in the traits classes, check for compatibility
- with Boost.Optional.
- </li>
- <li class="listitem">
- Prevent instantiation of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span></code>
- on any old type when checking for convertibility. See <a href="https://github.com/boostorg/multiprecision/issues/98" target="_top">#98</a>.
- </li>
- <li class="listitem">
- Update variable precision code to accound for arbitrary precision integers.
- See <a href="https://github.com/boostorg/multiprecision/issues/103" target="_top">#103</a>.
- </li>
- <li class="listitem">
- Add support for XML serialization archives.
- </li>
- <li class="listitem">
- Fix bug in fixed precision iostream formatting in <code class="computeroutput"><span class="identifier">mpf_float</span></code>
- and <code class="computeroutput"><span class="identifier">mpfr_float</span></code>. See
- <a href="https://github.com/boostorg/multiprecision/issues/113" target="_top">#113</a>.
- </li>
- <li class="listitem">
- Add more overloads for special functions which are better handled natively
- by MPFR.
- </li>
- <li class="listitem">
- Fixed bug in generic <code class="computeroutput"><span class="identifier">exp</span></code>
- implementation which could cause invariant failure.
- </li>
- <li class="listitem">
- Fixed generic conversion from float to integer to avoid undefined behaviour.
- See <a href="https://github.com/boostorg/multiprecision/issues/110" target="_top">#110</a>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h3"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_3_1_1_boost_1_69"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_1_1_boost_1_69">Multiprecision-3.1.1
- (Boost-1.69)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Big update to better support variable precision types so that the precision
- of the result is always the largest of all the arguments.
- </li>
- <li class="listitem">
- Add support for allocators that are <code class="computeroutput"><span class="identifier">final</span></code>
- in <a class="link" href="../tut/ints/cpp_int.html" title="cpp_int">cpp_int</a>.
- </li>
- <li class="listitem">
- Removed use of deprecated Boost.Endian in favour of Predef.
- </li>
- <li class="listitem">
- Add support for <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string_view</span></code>.
- </li>
- <li class="listitem">
- Fixed minor bug in constant initialization. See <a href="https://github.com/boostorg/multiprecision/issues/67" target="_top">#67</a>.
- </li>
- <li class="listitem">
- Make assignment of non-finite value to <code class="computeroutput"><span class="identifier">cpp_int</span></code>
- a runtime errors. See <a href="https://github.com/boostorg/multiprecision/issues/58" target="_top">#58</a>.
- </li>
- <li class="listitem">
- Added typedefs for <code class="computeroutput"><span class="identifier">cpp_bin_float_oct</span></code>
- and <code class="computeroutput"><span class="identifier">cpp_complex_oct</span></code>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h4"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_3_1_0_boost_1_68"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_1_0_boost_1_68">Multiprecision-3.1.0
- (Boost-1.68)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Support added for complex multiprecision numbers.
- </li>
- <li class="listitem">
- Changed conversion to unsigned integer types to be truncating to match
- standard defined behaviour.
- </li>
- <li class="listitem">
- Correct bug in MPFR string formatting.
- </li>
- <li class="listitem">
- Fix undefined behaviour in cpp_dec_float conversion from long long.
- </li>
- <li class="listitem">
- Add support for Eigen interoperability.
- </li>
- <li class="listitem">
- float128.hpp: Fix Intel on Windows build.
- </li>
- <li class="listitem">
- Fix type used in temporaries when expanding expression templates containing
- mixed expressions.
- </li>
- <li class="listitem">
- Fix infinite loop in gmp_float to fixed-point string conversion.
- </li>
- <li class="listitem">
- Update the expression templates to issue static_asserts with better error
- messages when you try and do something unsupported.
- </li>
- <li class="listitem">
- Fix bug in cpp_int where incrementing to zero doesn't set the sign correctly.
- </li>
- <li class="listitem">
- Remove erroneous use of std::move, and rely on NVRO instead.
- </li>
- <li class="listitem">
- Fix up support for changes to MPIR-3.0.
- </li>
- <li class="listitem">
- Fix various conversion errors in cpp_bin_float when the exponent type
- is a <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">long</span></code>,
- or else we're converting to an integer that is wider than we are.
- </li>
- <li class="listitem">
- Fix compatibility issue with GCC-8 caused by the introduction of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">byte</span></code>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h5"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_3_0_0_boost_1_67"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_3_0_0_boost_1_67">Multiprecision-3.0.0
- (Boost-1.67)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- <span class="bold"><strong>Breaking Change:</strong></span> When converting a multiprecision
- integer to a narrower type, if the value is too large (or negative) to
- fit in the smaller type, then the result is either the maximum (or minimum)
- value of the target type. This was always the intended behaviour, but
- was somewhat haphazardly enforced before. If you really do want just
- the low order N bits of a value, then you will need to mask these out
- prior to the case, for example: <code class="computeroutput"><span class="keyword">static_cast</span><span class="special"><</span><span class="keyword">unsigned</span><span class="special">>(~</span><span class="keyword">static_cast</span><span class="special"><</span><span class="keyword">unsigned</span><span class="special">>(</span><span class="number">0</span><span class="special">)</span> <span class="special">&</span> <span class="identifier">my_value</span><span class="special">)</span></code>.
- Note that technically (to avoid undefined behaviour) you should do the
- same thing with built in integer types too. See <a href="https://svn.boost.org/trac/boost/ticket/13109" target="_top">#13109</a>.
- </li>
- <li class="listitem">
- Fix bug in conversion of decimal to rational types (zero needs special
- handling), see <a href="https://svn.boost.org/trac/boost/ticket/13148" target="_top">#13148</a>.
- </li>
- <li class="listitem">
- Fix conversion from cpp_bin_float to a wider built in integer type, see
- <a href="https://svn.boost.org/trac/boost/ticket/13301" target="_top">#13301</a>.
- </li>
- <li class="listitem">
- Improve performance heurists used in cpp_bin_float exp function.
- </li>
- <li class="listitem">
- Fix bug in floor/ceil and cpp_bin_float when the exponent type is wider
- than an int, see <a href="https://svn.boost.org/trac/boost/ticket/13264" target="_top">#13264</a>.
- </li>
- <li class="listitem">
- Disable explicit conversion operator when the target type is already
- constructible from this type, see <a href="https://github.com/boostorg/multiprecision/issues/30" target="_top">#30</a>.
- </li>
- <li class="listitem">
- Fix support for changes new to MPIR-3.0, see <a href="https://svn.boost.org/trac/boost/ticket/13124" target="_top">#13124</a>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h6"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_3_2_boost_1_65"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_3_2_boost_1_65">Multiprecision-2.3.2
- (Boost-1.65)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Updated expression templates to store arithmetic literals directly in
- the expression template to prevent dangling references, see <a href="https://github.com/boostorg/multiprecision/issues/19" target="_top">#19</a>.
- </li>
- <li class="listitem">
- Fix various issues with huge values and overflow in the trig, pow and
- exp functions, see <a href="https://github.com/boostorg/multiprecision/issues/24" target="_top">#24</a>.
- </li>
- <li class="listitem">
- Fix error handling of checked cpp_int multiply that could cause some
- overflows to be missed.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h7"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_3_1_boost_1_64"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_3_1_boost_1_64">Multiprecision-2.3.1
- (Boost-1.64)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- In <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code> prevent
- double rounding when converting to a denormalized float. See <a href="https://svn.boost.org/trac/boost/ticket/12527" target="_top">#12527</a>.
- </li>
- <li class="listitem">
- Fix bug in integer sqrt for very small integers. See <a href="https://svn.boost.org/trac/boost/ticket/12559" target="_top">#12559</a>.
- </li>
- <li class="listitem">
- Fix conversion to signed-zero in <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code>.
- </li>
- <li class="listitem">
- Change <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code>
- rounding code to round at arbitrary location so we can use it for conversions,
- see <a href="https://svn.boost.org/trac/boost/ticket/12527" target="_top">#12527</a>.
- </li>
- <li class="listitem">
- Improve performance of 128-bit bit-scan operations.
- </li>
- <li class="listitem">
- Fix subtraction of very small quantities in <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code>.
- See: <a href="https://svn.boost.org/trac/boost/ticket/12580" target="_top">#12580</a>.
- </li>
- <li class="listitem">
- Bring error handling into line with C99 Annex F. See <a href="https://svn.boost.org/trac/boost/ticket/12581" target="_top">#12581</a>.
- </li>
- <li class="listitem">
- Fix bitwise export of trivial <code class="computeroutput"><span class="identifier">cpp_int</span></code>'s,
- see <a href="https://svn.boost.org/trac/boost/ticket/12627" target="_top">#12627</a>.
- </li>
- <li class="listitem">
- Fix <code class="computeroutput"><span class="identifier">ilogb</span></code> (and code that
- uses it) to consistently return the smallest value of the exponent type
- when the argument is zero, see <a href="https://svn.boost.org/trac/boost/ticket/12625" target="_top">#12625</a>.
- </li>
- <li class="listitem">
- Allow conversion from <code class="computeroutput"><a class="link" href="../tut/floats/float128.html" title="float128">float128</a></code>
- to <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code>.
- </li>
- <li class="listitem">
- Fix bug in left shift of <code class="computeroutput"><span class="identifier">cpp_int</span></code>
- which would result in bit-loss, see <a href="https://svn.boost.org/trac/boost/ticket/12790" target="_top">#12790</a>.
- </li>
- <li class="listitem">
- Fixed bugs in bounded but variable precision <code class="computeroutput"><span class="identifier">cpp_int</span></code>'s
- caused by over-aggressive constexpr optimization, see <a href="https://svn.boost.org/trac/boost/ticket/12798" target="_top">#12798</a>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h8"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_3_0_boost_1_63"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_3_0_boost_1_63">Multiprecision-2.3.0
- (Boost-1.63)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Added support for all the C99 math functions.
- </li>
- <li class="listitem">
- Extended generic-interconversions to handle narrowing cases as well,
- changed convert_to member function and hence explicit conversion operators
- to use the same conversion code as the explicit constructors.
- </li>
- <li class="listitem">
- Fix IO stream parsing error, see <a href="https://svn.boost.org/trac/boost/ticket/12488" target="_top">#12488</a>.
- </li>
- <li class="listitem">
- Make default constructed floating point types all zero for consistency,
- see <a href="https://svn.boost.org/trac/boost/ticket/12500" target="_top">#12500</a>.
- </li>
- <li class="listitem">
- Fix conversion of cpp_bin_float to float/double/long double when the
- exponent value would overflow an int, see <a href="https://svn.boost.org/trac/boost/ticket/12512" target="_top">#12512</a>.
- </li>
- <li class="listitem">
- Fix cpp_bin_float subtractions that yield signed-zeros, see <a href="https://svn.boost.org/trac/boost/ticket/12524" target="_top">#12524</a>.
- </li>
- <li class="listitem">
- Fix ceil/trunc/round applied to cpp_bin_float and yielding a signed zero,
- see <a href="https://svn.boost.org/trac/boost/ticket/12525" target="_top">#12525</a>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h9"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_8_boost_1_62"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_8_boost_1_62">Multiprecision-2.2.8
- (Boost-1.62)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Added support for hashing via <code class="computeroutput"><span class="identifier">Boost</span><span class="special">.</span><span class="identifier">Hash</span></code>
- or <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">hash</span></code>.
- </li>
- <li class="listitem">
- Fixed some arithmetic operations in cpp_bin_float and cpp_dec_float that
- should generate a NaN, see <a href="https://svn.boost.org/trac/boost/ticket/12157" target="_top">#12157</a>.
- </li>
- <li class="listitem">
- Prevent inadvertant instantiation of variable-precision <code class="computeroutput"><span class="identifier">mpfr_float_backend</span></code> with fixed allocation.
- </li>
- <li class="listitem">
- Fixed division over/underflow in cpp_bin_float, see <a href="https://svn.boost.org/trac/boost/ticket/12167" target="_top">#12167</a>.
- </li>
- <li class="listitem">
- Added support for signed-zeros throughout the library, including support
- for <code class="computeroutput"><span class="identifier">signbit</span></code> and <code class="computeroutput"><span class="identifier">copysign</span></code>, mpfr, float128, and cpp_bin_float
- types should now respect signed-zeros correctly.
- </li>
- <li class="listitem">
- Fixed bug in conversion of cpp_bin_float infinities to double etc, see
- <a href="https://svn.boost.org/trac/boost/ticket/12196" target="_top">#12196</a>.
- </li>
- <li class="listitem">
- Fix add and subtract of cpp_bin_float when the exponents would overflow.,
- see <a href="https://svn.boost.org/trac/boost/ticket/12198" target="_top">#12198</a>.
- </li>
- <li class="listitem">
- Improve variable-precision support in mpfr and mpf backends, allow these
- types to be used with Boost.Math.
- </li>
- <li class="listitem">
- Fixed bug in subtraction of signed infinities in cpp_bin_float, see
- <a href="https://svn.boost.org/trac/boost/ticket/12209" target="_top">#12209</a>.
- </li>
- <li class="listitem">
- Fix result of sqrt(infinity) in cpp_bin_float (result should be infinity),
- see <a href="https://svn.boost.org/trac/boost/ticket/12227" target="_top">#12227</a>.
- </li>
- <li class="listitem">
- Added workaround in gmp.hpp for recent MPIR releases which are not quite
- source-compatible with GMP on Windows x64.
- </li>
- <li class="listitem">
- Allow <code class="computeroutput"><span class="identifier">cpp_int</span></code> code to
- be used with /RTCc with MSVC.
- </li>
- <li class="listitem">
- Fix conversion of <code class="computeroutput"><span class="identifier">cpp_int</span></code>
- to signed integer when the result is INT_MIN, see <a href="https://svn.boost.org/trac/boost/ticket/12343" target="_top">#12343</a>.
- </li>
- <li class="listitem">
- Update uBlas support to match latest uBlas code.
- </li>
- <li class="listitem">
- Fix some errors present when building on big-endian machines (not all
- <code class="computeroutput"><span class="identifier">cpp_int</span></code> constructors
- are available on non-little-endian machines).
- </li>
- <li class="listitem">
- Fix fencepost error in rational to float conversion routines, see <a href="https://svn.boost.org/trac/boost/ticket/12327" target="_top">#12327</a>.
- </li>
- <li class="listitem">
- Fix some Oracle C++ compiler compatibility issues.
- </li>
- <li class="listitem">
- Add modf support to complete C90 compatibility.
- </li>
- <li class="listitem">
- Fix self assignment bug in expression template code for expressions such
- as <code class="computeroutput"><span class="identifier">a</span> <span class="special">=</span>
- <span class="identifier">a</span> <span class="special">*</span>
- <span class="identifier">a</span> <span class="special">*</span>
- <span class="identifier">a</span></code>, see <a href="https://svn.boost.org/trac/boost/ticket/12408" target="_top">#12408</a>.
- </li>
- <li class="listitem">
- Fixed some compiler errors that occur when converting from <code class="computeroutput"><span class="identifier">cpp_int</span></code> to <code class="computeroutput"><span class="identifier">cpp_bin_float</span></code>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h10"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_7_boost_1_61"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_7_boost_1_61">Multiprecision-2.2.7
- (Boost-1.61)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Fixed bug in stream input for integer types, see <a href="https://svn.boost.org/trac/boost/ticket/11857" target="_top">#11857</a>.
- </li>
- <li class="listitem">
- Fixed some ambiguous conversions involving expression templates see
- <a href="https://svn.boost.org/trac/boost/ticket/11922" target="_top">#11922</a>.
- </li>
- <li class="listitem">
- Add expression template aware min/max overloads see <a href="https://svn.boost.org/trac/boost/ticket/11149" target="_top">#11149</a>.
- </li>
- <li class="listitem">
- Fix bug in right shifting negative small integers in cpp_int see <a href="https://svn.boost.org/trac/boost/ticket/11999" target="_top">#11999</a>.
- </li>
- <li class="listitem">
- Use memmove for bitshifts in cpp_int when possible see <a href="https://svn.boost.org/trac/boost/ticket/9233" target="_top">#9233</a>.
- </li>
- <li class="listitem">
- Use memcpy for data import into cpp_int where possible, see <a href="https://svn.boost.org/trac/boost/ticket/9235" target="_top">#9235</a>.
- </li>
- <li class="listitem">
- Changed <code class="computeroutput"><span class="identifier">cpp_bin_float</span><span class="special">.</span><span class="identifier">convert_to</span><span class="special"><</span><span class="keyword">double</span><span class="special">>()</span></code> to a function template rather than
- proceding via <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>
- to avoid double-rounding bug, see <a href="https://svn.boost.org/trac/boost/ticket/12039" target="_top">#12039</a>.
- </li>
- <li class="listitem">
- Fixed conversions from NaN's and Infinities, see <a href="https://svn.boost.org/trac/boost/ticket/12112" target="_top">#12112</a>.
- </li>
- <li class="listitem">
- Enabled better support for Clang on Windows.
- </li>
- <li class="listitem">
- Fixed handling of NaN's and Infinities in basic arithmetic for cpp_dec_float
- and cpp_bin_float, see <a href="https://svn.boost.org/trac/boost/ticket/12090" target="_top">#12090</a>.
- </li>
- <li class="listitem">
- Fixed fencepost error in cpp_bin_float subtraction.
- </li>
- <li class="listitem">
- Fixed double-rounding in conversion to float routines for cpp_bin_float,
- see <a href="https://svn.boost.org/trac/boost/ticket/12039" target="_top">#12039</a>.
- </li>
- <li class="listitem">
- Make float128 denorm aware, see <a href="https://svn.boost.org/trac/boost/ticket/12075" target="_top">#12075</a>.
- </li>
- <li class="listitem">
- Allow the library and tests to be used without exception handling support,
- see <a href="https://svn.boost.org/trac/boost/ticket/12070" target="_top">#12070</a>.
- </li>
- <li class="listitem">
- Fixed buggy comparison operator overloads for boost::rational.
- </li>
- <li class="listitem">
- Added some workarounds for Oracle C++.
- </li>
- <li class="listitem">
- Fixed some missing typecasts for cases where cpp_int's limb_type is wider
- than unsigned.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h11"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_6_boost_1_60"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_6_boost_1_60">Multiprecision-2.2.6
- (Boost-1.60)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Fixed result of Miller Rabin primality test for value 2, see <a href="https://svn.boost.org/trac/boost/ticket/11495" target="_top">#11495</a>.
- </li>
- <li class="listitem">
- Improved initialization of cpp_int from very large strings of hex or
- octal digits, see <a href="https://svn.boost.org/trac/boost/ticket/11590" target="_top">#11590</a>.
- </li>
- <li class="listitem">
- Fixed fmod behaviour for negative divisors, see <a href="https://svn.boost.org/trac/boost/ticket/11641" target="_top">#11641</a>.
- </li>
- <li class="listitem">
- Fixed infinite division loop in cpp_int special case, see <a href="https://svn.boost.org/trac/boost/ticket/11648" target="_top">#11648</a>.
- </li>
- <li class="listitem">
- Patched missing return statement in <a href="https://svn.boost.org/trac/boost/ticket/11762" target="_top">#11762</a>.
- </li>
- <li class="listitem">
- Fixed mixed mode arithmetic compiler error in <a href="https://svn.boost.org/trac/boost/ticket/11764" target="_top">#11764</a>.
- </li>
- <li class="listitem">
- Fixed over-aggressive use of noexcept in <a href="https://svn.boost.org/trac/boost/ticket/11826" target="_top">#11826</a>.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h12"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_5_boost_1_59"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_5_boost_1_59">Multiprecision-2.2.5
- (Boost-1.59)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Depricated boost/multiprecision/random.hpp as it's no longer needed,
- updated random examples to match.
- </li>
- <li class="listitem">
- Fixed a bug in cpp_int's right shift operator when shifting negative
- values - semantics now gives the same values as shifting 2's compliment
- integers, though not the same bit pattern.
- </li>
- <li class="listitem">
- Fixed support for GCC-4.6.4 in C++0x mode by disabling conditional noexcept
- suppoprt for that compiler see <a href="https://svn.boost.org/trac/boost/ticket/11402" target="_top">#11402</a>.
- </li>
- <li class="listitem">
- Suppressed numerous compiler warnings.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h13"></a>
- <span class="phrase"><a name="boost_multiprecision.map.hist.multiprecision_2_2_4_boost_1_58"></a></span><a class="link" href="hist.html#boost_multiprecision.map.hist.multiprecision_2_2_4_boost_1_58">Multiprecision-2.2.4
- (Boost-1.58)</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Changed <code class="computeroutput"><span class="identifier">frexp</span></code> to always
- be non-expression template generating, see: <a href="https://svn.boost.org/trac/boost/ticket/10993" target="_top">10993</a>.
- </li>
- <li class="listitem">
- Improved support of cpp_dec_float on Cygwin and other platforms with
- missing long double support, see <a href="https://svn.boost.org/trac/boost/ticket/10924" target="_top">10924</a>.
- </li>
- <li class="listitem">
- Improved noexcept support and added some more tests, see <a href="https://svn.boost.org/trac/boost/ticket/10990" target="_top">10990</a>.
- </li>
- <li class="listitem">
- Various workarounds applied for Intel-15.0 and Solaris-12.4 compilers.
- </li>
- </ul></div>
- <h5>
- <a name="boost_multiprecision.map.hist.h14"></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
- <a href="https://svn.boost.org/trac/boost/ticket/10085" target="_top">10085</a>.
- </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.h15"></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.h16"></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.h17"></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.h18"></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.h19"></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.h20"></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.h21"></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.h22"></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 © 2002-2019 John Maddock
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