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+</div>
+<div class="section">
+<div class="titlepage"><div><div><h2 class="title" style="clear: both">
+<a name="math_toolkit.history2"></a><a class="link" href="history2.html" title="History and What's New">History and What's New</a>
+</h2></div></div></div>
+<p>
+ Currently open bug reports can be viewed <a href="https://svn.boost.org/trac/boost/query?status=assigned&status=new&status=reopened&component=math&col=id&col=summary&col=status&col=type&col=milestone&col=component&order=priority" target="_top">here</a>.
+ </p>
+<p>
+ All bug reports including closed ones can be viewed <a href="https://svn.boost.org/trac/boost/query?status=assigned&status=closed&status=new&status=reopened&component=math&col=id&col=summary&col=status&col=type&col=milestone&col=component&order=priority" target="_top">here</a>.
+ </p>
+<h5>
+<a name="math_toolkit.history2.h0"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_5_1_boost_1_63"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_5_1_boost_1_63">Math-2.5.1
+ (Boost-1.63)</a>
+ </h5>
+<p>
+ Patches:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fixed evaluation of zero polynomial in polynomial.hpp, see <a href="https://svn.boost.org/trac/boost/ticket/12532" target="_top">12532</a>.
+ </li>
+<li class="listitem">
+ Fixed missing header include in boost/math/tools/tuple.hpp, see <a href="https://svn.boost.org/trac/boost/ticket/12537" target="_top">12537</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h1"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_5_0_boost_1_62"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_5_0_boost_1_62">Math-2.5.0
+ (Boost-1.62)</a>
+ </h5>
+<p>
+ New Features:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+ Enabled all the special function code to work correctly with types whose
+ precision can change at runtime: for example type <code class="computeroutput"><span class="identifier">mpfr_float</span></code>
+ from Boost.Multiprecision.
+ </li></ul></div>
+<p>
+ Patches:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fix tgamma_delta_ratio for cases where the delta is small compared to the
+ base.
+ </li>
+<li class="listitem">
+ Fix misc GCC-4.4 test failures.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h2"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_4_0_boost_1_61"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_4_0_boost_1_61">Math-2.4.0
+ (Boost-1.61)</a>
+ </h5>
+<p>
+ New Features:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+ Polynomial arithmetic added to tools.
+ </li></ul></div>
+<h5>
+<a name="math_toolkit.history2.h3"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_3_0_boost_1_60"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_3_0_boost_1_60">Math-2.3.0
+ (Boost-1.60)</a>
+ </h5>
+<p>
+ New Features:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Promote the root finding and function minimization code to first class
+ citizens - these are now officially supported as part of the library.
+ </li>
+<li class="listitem">
+ Allow the library to be used and tested with compiler exception handling
+ support turned off. To better facilitate this the default error handling
+ policies have been changed to <span class="emphasis"><em>errno_on_error</em></span> but only
+ when the compiler has no exception handling support.
+ </li>
+</ul></div>
+<p>
+ Patches:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fix behaviour of the non-central chi-squared distribution when the non-centrality
+ parameter is zero to match the chi-squared, see <a href="https://svn.boost.org/trac/boost/ticket/11557" target="_top">11557</a>.
+ </li>
+<li class="listitem">
+ Fix comments in code for the hypergeometric to match what it actually does,
+ also fixes the parameter access functions to return the correct values.
+ See <a href="https://svn.boost.org/trac/boost/ticket/11556" target="_top">11556</a>.
+ </li>
+<li class="listitem">
+ Stopped using hidden visiblity library build with the Oracle compiler as
+ it leads to unresolved externals from the C++ standard library. See <a href="https://svn.boost.org/trac/boost/ticket/11547" target="_top">11547</a>.
+ </li>
+<li class="listitem">
+ Fix unintended use of __declspec when building with Oracle C++. See <a href="https://svn.boost.org/trac/boost/ticket/11546" target="_top">11546</a>.
+ </li>
+<li class="listitem">
+ Fix corner case bug in root bracketing code, see <a href="https://svn.boost.org/trac/boost/ticket/11532" target="_top">11532</a>.
+ </li>
+<li class="listitem">
+ Add some missing typecasts in arguments to std::max in Bernoulli code.
+ See <a href="https://svn.boost.org/trac/boost/ticket/11453" target="_top">11453</a>.
+ </li>
+<li class="listitem">
+ Fix mistaken assumptions about the possible values for FLT_EVAL_METHOD.
+ See <a href="https://svn.boost.org/trac/boost/ticket/11429" target="_top">11429</a>.
+ </li>
+<li class="listitem">
+ Completely revamped performance testing and error-rate measuring code so
+ we can more easily document how well (or not!) we're doing. This information
+ will hopefully get more frequently updated in future as it's more or less
+ automatically generated - see the <span class="emphasis"><em>reporting</em></span> sub-directory
+ for more information.
+ </li>
+<li class="listitem">
+ Fix some corner cases in the beta, incomplete beta, and incomplete beta
+ derivative. With thanks to Rocco Romeo.
+ </li>
+<li class="listitem">
+ Reorganized the Bessel functions internally to improve the performance
+ of Jn and Yn.
+ </li>
+<li class="listitem">
+ Fixed skewness formula for triangular distribution, see <a href="https://svn.boost.org/trac/boost/ticket/11768" target="_top">#11768</a>.
+ </li>
+<li class="listitem">
+ Fixed some examples so they compile on Unix platforms which have an ::exception
+ struct declared, see <a href="https://svn.boost.org/trac/boost/ticket/11827" target="_top">#11827</a>.
+ </li>
+<li class="listitem">
+ Correct mistake in triangular distribution skewness formula <a href="https://svn.boost.org/trac/boost/ticket/11768" target="_top">11768</a>,
+ reported by Juan Leni.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h4"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_2_1"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_2_1">Math-2.2.1</a>
+ </h5>
+<p>
+ Patch release for Boost-1.58:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Minor <a href="https://github.com/boostorg/math/pull/13#issuecomment-98905579" target="_top">patch
+ for Haiku support.</a>
+ </li>
+<li class="listitem">
+ Fix the decimal digit count for 128-bit floating point types.
+ </li>
+<li class="listitem">
+ Fix a few documentation typos.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h5"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_2_0_boost_1_58_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_2_0_boost_1_58_0">Math-2.2.0
+ (boost-1.58.0)</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added two new special functions - <a class="link" href="sf_gamma/trigamma.html" title="Trigamma">trigamma</a>
+ and <a class="link" href="sf_gamma/polygamma.html" title="Polygamma">polygamma</a>.
+ </li>
+<li class="listitem">
+ Fixed namespace scope constants so they are constexpr on conforming compilers,
+ see https://svn.boost.org/trac/boost/ticket/10901.
+ </li>
+<li class="listitem">
+ Fixed various cases of spurious under/overflow in the incomplete beta and
+ gamma functions, plus the elliptic integrals, with thanks to Rocco Romeo.
+ </li>
+<li class="listitem">
+ Fix 3-arg <a class="link" href="sf_poly/legendre.html" title="Legendre (and Associated) Polynomials">legendre_p</a>
+ and <a class="link" href="sf_poly/legendre.html" title="Legendre (and Associated) Polynomials">legendre_q</a> functions
+ to not call the policy based overload if the final argument is not actually
+ a policy.
+ </li>
+<li class="listitem">
+ Cleaned up some dead code in the incomplete beta function, see <a href="https://svn.boost.org/trac/boost/ticket/10985" target="_top">#10985</a>.
+ </li>
+<li class="listitem">
+ Fixed extreme-value pdf for large valued inputs, see <a href="https://svn.boost.org/trac/boost/ticket/10938" target="_top">#10938</a>.
+ </li>
+<li class="listitem">
+ Large update to the Elliptic integral code to use Carlson's latest algorithms
+ - these should be more stable, more accurate and slightly faster than before.
+ Also added support for Carlson's RG integral.
+ </li>
+<li class="listitem">
+ Added <a class="link" href="ellint/ellint_d.html" title="Elliptic Integral D - Legendre Form">ellint_d</a>, <a class="link" href="ellint/jacobi_zeta.html" title="Jacobi Zeta Function">jacobi_zeta</a> and <a class="link" href="ellint/heuman_lambda.html" title="Heuman Lambda Function">heuman_lambda</a> elliptic
+ integrals.
+ </li>
+<li class="listitem">
+ Switched documentation to use SVG rather than PNG graphs and equations
+ - browsers seem to have finally caught up!
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h6"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_1_0_boost_1_57_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_1_0_boost_1_57_0">Math-2.1.0
+ (boost-1.57.0)</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added <a class="link" href="dist_ref/dists/hyperexponential_dist.html" title="Hyperexponential Distribution">Hyperexponential
+ Distribution</a>.
+ </li>
+<li class="listitem">
+ Fix some spurious overflows in the incomplete gamma functions (with thanks
+ to Rocco Romeo).
+ </li>
+<li class="listitem">
+ Fix bug in derivative of incomplete beta when a = b = 0.5 - this also effects
+ several non-central distributions, see <a href="https://svn.boost.org/trac/boost/ticket/10480" target="_top">10480</a>.
+ </li>
+<li class="listitem">
+ Fixed some corner cases in <a class="link" href="rounding/round.html" title="Rounding Functions">round</a>.
+ </li>
+<li class="listitem">
+ Don't support 80-bit floats in cstdfloat.hpp if standard library support
+ is broken.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h7"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_2_0_0_boost_1_56_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_0_0_boost_1_56_0">Math-2.0.0
+ (Boost-1.56.0)</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ <span class="bold"><strong>Breaking change</strong></span>: moved a number of non-core
+ headers that are predominantly used for internal maintenance into <code class="computeroutput"><span class="identifier">libs</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">include_private</span></code>. The headers effected
+ are <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">tools</span><span class="special">/</span><span class="identifier">test_data</span><span class="special">.</span><span class="identifier">hpp</span></code>, <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">tools</span><span class="special">/</span><span class="identifier">remez</span><span class="special">.</span><span class="identifier">hpp</span></code>,
+ <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">constants</span><span class="special">/</span><span class="identifier">generate</span><span class="special">.</span><span class="identifier">hpp</span></code>, <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">tools</span><span class="special">/</span><span class="identifier">solve</span><span class="special">.</span><span class="identifier">hpp</span></code>,
+ <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">tools</span><span class="special">/</span><span class="identifier">test</span><span class="special">.</span><span class="identifier">hpp</span></code>. You can continue to use these headers
+ by adding <code class="computeroutput"><span class="identifier">libs</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">include_private</span></code> to your compiler's include
+ path.
+ </li>
+<li class="listitem">
+ <span class="bold"><strong>Breaking change</strong></span>: A number of distributions
+ and special functions were returning the maximum finite value rather than
+ raising an <a class="link" href="error_handling.html#math_toolkit.error_handling.overflow_error">overflow_error</a>,
+ this has now been fixed, which means these functions now behave as documented.
+ However, since the default behavior on raising an <a class="link" href="error_handling.html#math_toolkit.error_handling.overflow_error">overflow_error</a>
+ is to throw a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">overflow_error</span></code> exception, applications
+ which have come to reply rely on these functions not throwing may experience
+ exceptions where they did not before. The special functions involved are
+ <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_p_inva</a>,
+ <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_q_inva</a>,
+ <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibeta_inva</a>,
+ <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibetac_inva</a>,
+ <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibeta_invb</a>,
+ <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibetac_invb</a>,
+ <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_p_inv</a>, <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_q_inv</a>. The distributions
+ involved are <a class="link" href="dist_ref/dists/pareto.html" title="Pareto Distribution">Pareto
+ Distribution</a>, <a class="link" href="dist_ref/dists/beta_dist.html" title="Beta Distribution">Beta
+ Distribution</a>, <a class="link" href="dist_ref/dists/geometric_dist.html" title="Geometric Distribution">Geometric
+ Distribution</a>, <a class="link" href="dist_ref/dists/negative_binomial_dist.html" title="Negative Binomial Distribution">Negative
+ Binomial Distribution</a>, <a class="link" href="dist_ref/dists/binomial_dist.html" title="Binomial Distribution">Binomial
+ Distribution</a>, <a class="link" href="dist_ref/dists/chi_squared_dist.html" title="Chi Squared Distribution">Chi
+ Squared Distribution</a>, <a class="link" href="dist_ref/dists/gamma_dist.html" title="Gamma (and Erlang) Distribution">Gamma
+ Distribution</a>, <a class="link" href="dist_ref/dists/inverse_chi_squared_dist.html" title="Inverse Chi Squared Distribution">Inverse
+ chi squared Distribution</a>, <a class="link" href="dist_ref/dists/inverse_gamma_dist.html" title="Inverse Gamma Distribution">Inverse
+ Gamma Distribution</a>. See <a href="https://svn.boost.org/trac/boost/ticket/10111" target="_top">#10111</a>.
+ </li>
+<li class="listitem">
+ Fix <a class="link" href="rounding/round.html" title="Rounding Functions">round</a> and <a class="link" href="rounding/trunc.html" title="Truncation Functions">trunc</a> functions so they can
+ be used with integer arguments, see <a href="https://svn.boost.org/trac/boost/ticket/10066" target="_top">#10066</a>.
+ </li>
+<li class="listitem">
+ Fix Halley iteration to handle zero derivative (with non-zero second derivative),
+ see <a href="https://svn.boost.org/trac/boost/ticket/10046" target="_top">#10046</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h8"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_1_9_1"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_1_9_1">Math-1.9.1</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fix Geometric distribution use of Policies, see <a href="https://svn.boost.org/trac/boost/ticket/9833" target="_top">#9833</a>.
+ </li>
+<li class="listitem">
+ Fix corner cases in the negative binomial distribution, see <a href="https://svn.boost.org/trac/boost/ticket/9834" target="_top">#9834</a>.
+ </li>
+<li class="listitem">
+ Fix compilation failures on Mac OS.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h9"></a>
+ <span class="phrase"><a name="math_toolkit.history2.math_1_9_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_1_9_0">Math-1.9.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Changed version number to new Boost.Math specific version now that we're
+ in the modular Boost world.
+ </li>
+<li class="listitem">
+ Added <a class="link" href="number_series/bernoulli_numbers.html" title="Bernoulli Numbers">Bernoulli
+ numbers</a>, changed arbitrary precision <a class="link" href="sf_gamma/tgamma.html" title="Gamma">tgamma</a>/<a class="link" href="sf_gamma/lgamma.html" title="Log Gamma">lgamma</a> to use Sterling's
+ approximation (from Nikhar Agrawal).
+ </li>
+<li class="listitem">
+ Added first derivatives of the Bessel functions: <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_bessel_j_prime</a>,
+ <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_neumann_prime</a>,
+ <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_bessel_i_prime</a>,
+ <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_bessel_k_prime</a>,
+ <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">sph_bessel_prime</a>
+ and <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">sph_neumann_prime</a>
+ (from Anton Bikineev).
+ </li>
+<li class="listitem">
+ Fixed buggy Student's t example code, along with docs for testing sample
+ means for equivalence.
+ </li>
+<li class="listitem">
+ Documented <code class="computeroutput"><span class="identifier">max_iter</span></code> parameter
+ in root finding code better, see <a href="https://svn.boost.org/trac/boost/ticket/9225" target="_top">#9225</a>.
+ </li>
+<li class="listitem">
+ Add option to explicitly enable/disable use of __float128 in constants
+ code, see <a href="https://svn.boost.org/trac/boost/ticket/9240" target="_top">#9240</a>.
+ </li>
+<li class="listitem">
+ Cleaned up handling of negative values in Bessel I0 and I1 code (removed
+ dead code), see <a href="https://svn.boost.org/trac/boost/ticket/9512" target="_top">#9512</a>.
+ </li>
+<li class="listitem">
+ Fixed handling of very small values passed to <a class="link" href="sf_gamma/tgamma.html" title="Gamma">tgamma</a>
+ and <a class="link" href="sf_gamma/lgamma.html" title="Log Gamma">lgamma</a> so they
+ don't generate spurious overflows (thanks to Rocco Romeo).
+ </li>
+<li class="listitem">
+ <a href="https://svn.boost.org/trac/boost/ticket/9672" target="_top">#9672 PDF and
+ CDF of a Laplace distribution throwing domain_error</a> Random variate
+ can now be infinite.
+ </li>
+<li class="listitem">
+ Fixed several corner cases in <a class="link" href="factorials/sf_rising_factorial.html" title="Rising Factorial">rising_factorial</a>,
+ <a class="link" href="factorials/sf_falling_factorial.html" title="Falling Factorial">falling_factorial</a>
+ and <a class="link" href="sf_gamma/gamma_ratios.html" title="Ratios of Gamma Functions">tgamma_delta_ratio</a>
+ with thanks to Rocco Romeo.
+ </li>
+<li class="listitem">
+ Fixed several corner cases in <a class="link" href="factorials/sf_rising_factorial.html" title="Rising Factorial">rising_factorial</a>,
+ <a class="link" href="factorials/sf_falling_factorial.html" title="Falling Factorial">falling_factorial</a>
+ and <a class="link" href="sf_gamma/gamma_ratios.html" title="Ratios of Gamma Functions">tgamma_delta_ratio</a>
+ (thanks to Rocco Romeo).
+ </li>
+<li class="listitem">
+ Removed constant <code class="computeroutput"><span class="identifier">pow23_four_minus_pi</span>
+ </code> whose value did not match the name (and was unused by Boost.Math),
+ see <a href="https://svn.boost.org/trac/boost/ticket/9712" target="_top">#9712</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h10"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_55"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_55">Boost-1.55</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Suppress numerous warnings (mostly from GCC-4.8 and MSVC) <a href="https://svn.boost.org/trac/boost/ticket/8384" target="_top">#8384</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/8855" target="_top">#8855</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/9107" target="_top">#9107</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/9109" target="_top">#9109</a>..
+ </li>
+<li class="listitem">
+ Fixed PGI compilation issue <a href="https://svn.boost.org/trac/boost/ticket/8333" target="_top">#8333</a>.
+ </li>
+<li class="listitem">
+ Fixed PGI constant value initialization issue that caused erf to generate
+ incorrect results <a href="https://svn.boost.org/trac/boost/ticket/8621" target="_top">#8621</a>.
+ </li>
+<li class="listitem">
+ Prevent macro expansion of some C99 macros that are also C++ functions
+ <a href="https://svn.boost.org/trac/boost/ticket/8732" target="_top">#8732</a>
+ and <a href="https://svn.boost.org/trac/boost/ticket/8733" target="_top">#8733</a>..
+ </li>
+<li class="listitem">
+ Fixed Student's T distribution to behave correctly with huge degrees of
+ freedom (larger than the largest representable integer) <a href="https://svn.boost.org/trac/boost/ticket/8837" target="_top">#8837</a>.
+ </li>
+<li class="listitem">
+ Make some core functions usable with <code class="computeroutput"><span class="keyword">long</span>
+ <span class="keyword">double</span></code> even when the platform has
+ no standard library <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code> support <a href="https://svn.boost.org/trac/boost/ticket/8940" target="_top">#8940</a>.
+ </li>
+<li class="listitem">
+ Fix error handling of distributions to catch invalid scale and location
+ parameters when the random variable is infinite <a href="https://svn.boost.org/trac/boost/ticket/9042" target="_top">#9042</a>
+ and <a href="https://svn.boost.org/trac/boost/ticket/9126" target="_top">#9126</a>.
+ </li>
+<li class="listitem">
+ Add workaround for broken <tuple> in Intel C++ 14 <a href="https://svn.boost.org/trac/boost/ticket/9087" target="_top">#9087</a>.
+ </li>
+<li class="listitem">
+ Improve consistency of argument reduction in the elliptic integrals <a href="https://svn.boost.org/trac/boost/ticket/9104" target="_top">#9104</a>.
+ </li>
+<li class="listitem">
+ Fix bug in inverse incomplete beta that results in cancellation errors
+ when the beta function is really an arcsine or Student's T distribution.
+ </li>
+<li class="listitem">
+ Fix issue in Bessel I and K function continued fractions that causes spurious
+ over/underflow.
+ </li>
+<li class="listitem">
+<p class="simpara">
+ Add improvement to non-central chi squared distribution quantile due to
+ Thomas Luu, <a href="http://discovery.ucl.ac.uk/1482128/" target="_top">Fast and accurate
+ parallel computation of quantile functions for random number generation,
+ Doctorial Thesis 2016</a>. <a href="http://discovery.ucl.ac.uk/1463470/" target="_top">Efficient
+ and Accurate Parallel Inversion of the Gamma Distribution, Thomas Luu</a>
+ </p>
+<h5>
+<a name="math_toolkit.history2.h11"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_54"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_54">Boost-1.54</a>
+ </h5>
+</li>
+<li class="listitem">
+ Major reorganization to incorporate other Boost.Math like Integer Utilities
+ Integer Utilities (Greatest Common Divisor and Least Common Multiple),
+ quaternions and octonions. Making new chapter headings.
+ </li>
+<li class="listitem">
+ Added many references to Boost.Multiprecision and <code class="computeroutput"><span class="identifier">cpp_dec_float_50</span></code>
+ as an example of a User-defined Type (UDT).
+ </li>
+<li class="listitem">
+ Added Clang to list of supported compilers.
+ </li>
+<li class="listitem">
+ Fixed constants to use a thread-safe cache of computed values when used
+ at arbitrary precision.
+ </li>
+<li class="listitem">
+ Added finding zeros of Bessel functions <code class="computeroutput"><span class="identifier">cyl_bessel_j_zero</span></code>,
+ <code class="computeroutput"><span class="identifier">cyl_neumann_zero</span></code>, <code class="computeroutput"><span class="identifier">airy_ai_zero</span></code> and <code class="computeroutput"><span class="identifier">airy_bi_zero</span></code>(by
+ Christopher Kormanyos).
+ </li>
+<li class="listitem">
+ More accuracy improvements to the Bessel J and Y functions from Rocco Romeo.
+ </li>
+<li class="listitem">
+ Fixed nasty cyclic dependency bug that caused some headers to not compile
+ <a href="https://svn.boost.org/trac/boost/ticket/7999" target="_top">#7999</a>.
+ </li>
+<li class="listitem">
+ Fixed bug in <a class="link" href="sf_gamma/tgamma.html" title="Gamma">tgamma</a>
+ that caused spurious overflow for arguments between 142.5 and 143.
+ </li>
+<li class="listitem">
+ Fixed bug in raise_rounding_error that caused it to return an incorrect
+ result when throwing an exception is turned off <a href="https://svn.boost.org/trac/boost/ticket/7905" target="_top">#7905</a>.
+ </li>
+<li class="listitem">
+ Added minimal __float128 support.
+ </li>
+<li class="listitem">
+ Fixed bug in edge-cases of poisson quantile <a href="https://svn.boost.org/trac/boost/ticket/8308" target="_top">#8308</a>.
+ </li>
+<li class="listitem">
+ Adjusted heuristics used in Halley iteration to cope with inverting the
+ incomplete beta in tricky regions where the derivative is flatlining. Example
+ is computing the quantile of the Fisher F distribution for probabilities
+ smaller than machine epsilon. See ticket <a href="https://svn.boost.org/trac/boost/ticket/8314" target="_top">#8314</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h12"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_53"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_53">Boost-1.53</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/7325" target="_top">#7325</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7415" target="_top">#7415</a>
+ and <a href="https://svn.boost.org/trac/boost/ticket/7416" target="_top">#7416</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7183" target="_top">#7183</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7649" target="_top">#7649</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7694" target="_top">#7694</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/4445" target="_top">#4445</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7492" target="_top">#7492</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7891" target="_top">#7891</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7429" target="_top">#7429</a>.
+ </li>
+<li class="listitem">
+ Fixed mistake in calculating pooled standard deviation in two-sample students
+ t example <a href="https://svn.boost.org/trac/boost/ticket/7402" target="_top">#7402</a>.
+ </li>
+<li class="listitem">
+ Improve complex acos/asin/atan, see <a href="https://svn.boost.org/trac/boost/ticket/7290" target="_top">#7290</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7291" target="_top">#7291</a>.
+ </li>
+<li class="listitem">
+ Improve accuracy in some corner cases of <a class="link" href="bessel/bessel_first.html" title="Bessel Functions of the First and Second Kinds">cyl_bessel_j</a>
+ and <a class="link" href="sf_gamma/igamma.html" title="Incomplete Gamma Functions">gamma_p</a>/<a class="link" href="sf_gamma/igamma.html" title="Incomplete Gamma Functions">gamma_q</a>
+ thanks to suggestions from Rocco Romeo.
+ </li>
+<li class="listitem">
+ Improve accuracy of Bessel J and Y for integer orders thanks to suggestions
+ from Rocco Romeo.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h13"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_52"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_52">Boost-1.52</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Corrected moments for small degrees of freedom <a href="https://svn.boost.org/trac/boost/ticket/7177" target="_top">#7177</a>
+ (reported by Thomas Mang).
+ </li>
+<li class="listitem">
+ Added <a class="link" href="airy.html" title="Airy Functions">Airy functions</a> and <a class="link" href="jacobi.html" title="Jacobi Elliptic Functions">Jacobi Elliptic functions</a>.
+ </li>
+<li class="listitem">
+ Corrected failure to detect bad parameters in many distributions <a href="https://svn.boost.org/trac/boost/ticket/6934" target="_top">#6934</a> (reported
+ by Florian Schoppmann) by adding a function check_out_of_range to test
+ many possible bad parameters. This test revealed several distributions
+ where the checks for bad parameters were ineffective, and these have been
+ rectified.
+ </li>
+<li class="listitem">
+ Fixed issue in Hankel functions that causes incorrect values to be returned
+ for <span class="emphasis"><em>x < 0</em></span> and ν odd, see <a href="https://svn.boost.org/trac/boost/ticket/7135" target="_top">#7135</a>.
+ </li>
+<li class="listitem">
+ Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/6517" target="_top">#6517</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6362" target="_top">#6362</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7053" target="_top">#7053</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/2693" target="_top">#2693</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6937" target="_top">#6937</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/7099" target="_top">#7099</a>.
+ </li>
+<li class="listitem">
+ Permitted infinite degrees of freedom <a href="https://svn.boost.org/trac/boost/ticket/7259" target="_top">#7259</a>
+ implemented using the normal distribution (requested by Thomas Mang).
+ </li>
+<li class="listitem">
+ Much enhanced accuracy for large degrees of freedom ν and/or large non-centrality
+ δ
+by switching to use the Students t distribution (or Normal distribution
+ for infinite degrees of freedom) centered at delta, when δ / (4 * ν) <
+ epsilon for the floating-point type in use. <a href="https://svn.boost.org/trac/boost/ticket/7259" target="_top">#7259</a>.
+ It was found that the incomplete beta was suffering from serious cancellation
+ errors when degrees of freedom was very large. (That has now been fixed
+ in our code, but any code based on Didonato and Morris's original papers
+ (probably every implementation out there actually) will have the same issue).
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h14"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_51"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_51">Boost-1.51</a>
+ </h5>
+<p>
+ See Boost-1.52 - some items were added but not listed in time for the release.
+ </p>
+<h5>
+<a name="math_toolkit.history2.h15"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_50"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_50">Boost-1.50</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Promoted math constants to be 1st class citizens, including convenient
+ access to the most widely used built-in float, double, long double via
+ three namespaces.
+ </li>
+<li class="listitem">
+ Added the Owen's T function and Skew Normal distribution written by Benjamin
+ Sobotta: see <a class="link" href="owens_t.html" title="Owen's T function">Owens T</a> and skew_normal_distrib.
+ </li>
+<li class="listitem">
+ Added Hankel functions <a class="link" href="hankel/cyl_hankel.html" title="Cyclic Hankel Functions">cyl_hankel_1</a>,
+ <a class="link" href="hankel/cyl_hankel.html" title="Cyclic Hankel Functions">cyl_hankel_2</a>, <a class="link" href="hankel/sph_hankel.html" title="Spherical Hankel Functions">sph_hankel_1</a> and <a class="link" href="hankel/sph_hankel.html" title="Spherical Hankel Functions">sph_hankel_2</a>.
+ </li>
+<li class="listitem">
+ Corrected issue <a href="https://svn.boost.org/trac/boost/ticket/6627" target="_top">#6627
+ nonfinite_num_put formatting of 0.0 is incorrect</a> based on a patch
+ submitted by K R Walker.
+ </li>
+<li class="listitem">
+ Changed constant initialization mechanism so that it is thread safe even
+ for user-defined types, also so that user defined types get the full precision
+ of the constant, even when <code class="computeroutput"><span class="keyword">long</span>
+ <span class="keyword">double</span></code> does not. So for example
+ 128-bit rational approximations will work with UDT's and do the right thing,
+ even though <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>
+ may be only 64 or 80 bits.
+ </li>
+<li class="listitem">
+ Fixed issue in <code class="computeroutput"><span class="identifier">bessel_jy</span></code>
+ which causes Y<sub>8.5</sub>(4π) to yield a NaN.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h16"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_49"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_49">Boost-1.49</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Deprecated wrongly named <code class="computeroutput"><span class="identifier">twothirds</span></code>
+ math constant in favour of <code class="computeroutput"><span class="identifier">two_thirds</span></code>
+ (with underscore separator). (issue <a href="https://svn.boost.org/trac/boost/ticket/6199" target="_top">#6199</a>).
+ </li>
+<li class="listitem">
+ Refactored test data and some special function code to improve support
+ for arbitary precision and/or expression-template-enabled types.
+ </li>
+<li class="listitem">
+ Added new faster zeta function evaluation method.
+ </li>
+</ul></div>
+<p>
+ Fixed issues:
+ </p>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Corrected CDF complement for Laplace distribution (issue <a href="https://svn.boost.org/trac/boost/ticket/6151" target="_top">#6151</a>).
+ </li>
+<li class="listitem">
+ Corrected branch cuts on the complex inverse trig functions, to handle
+ signed zeros (issue <a href="https://svn.boost.org/trac/boost/ticket/6171" target="_top">#6171</a>).
+ </li>
+<li class="listitem">
+ Fixed bug in <code class="computeroutput"><span class="identifier">bessel_yn</span></code>
+ which caused incorrect overflow errors to be raised for negative <span class="emphasis"><em>n</em></span>
+ (issue <a href="https://svn.boost.org/trac/boost/ticket/6367" target="_top">#6367</a>).
+ </li>
+<li class="listitem">
+ Also fixed minor/cosmetic/configuration issues <a href="https://svn.boost.org/trac/boost/ticket/6120" target="_top">#6120</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6191" target="_top">#6191</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/5982" target="_top">#5982</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6130" target="_top">#6130</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6234" target="_top">#6234</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6307" target="_top">#6307</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/6192" target="_top">#6192</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h17"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_48"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_48">Boost-1.48</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added new series evaluation methods to the cyclic Bessel I, J, K and Y
+ functions. Also taken great care to avoid spurious over and underflow of
+ these functions. Fixes issue <a href="https://svn.boost.org/trac/boost/ticket/5560" target="_top">#5560</a>
+ </li>
+<li class="listitem">
+ Added an example of using Inverse Chi-Squared distribution for Bayesian
+ statistics, provided by Thomas Mang.
+ </li>
+<li class="listitem">
+ Added tests to use improved version of lexical_cast which handles C99 nonfinites
+ without using globale facets.
+ </li>
+<li class="listitem">
+ Corrected wrong out-of-bound uniform distribution CDF complement values
+ <a href="https://svn.boost.org/trac/boost/ticket/5733" target="_top">#5733</a>.
+ </li>
+<li class="listitem">
+ Enabled long double support on OpenBSD (issue <a href="https://svn.boost.org/trac/boost/ticket/6014" target="_top">#6014</a>).
+ </li>
+<li class="listitem">
+ Changed nextafter and related functions to behave in the same way as other
+ implementations - so that nextafter(+INF, 0) is a finite value (issue
+ <a href="https://svn.boost.org/trac/boost/ticket/5823" target="_top">#5832</a>).
+ </li>
+<li class="listitem">
+ Changed tuple include configuration to fix issue when using in conjunction
+ with Boost.Tr1 (issue <a href="https://svn.boost.org/trac/boost/ticket/5934" target="_top">#5934</a>).
+ </li>
+<li class="listitem">
+ Changed class eps_tolerance to behave correctly when both ends of the range
+ are zero (issue <a href="https://svn.boost.org/trac/boost/ticket/6001" target="_top">#6001</a>).
+ </li>
+<li class="listitem">
+ Fixed missing include guards on prime.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5927" target="_top">#5927</a>).
+ </li>
+<li class="listitem">
+ Removed unused/undocumented constants from constants.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5982" target="_top">#5982</a>).
+ </li>
+<li class="listitem">
+ Fixed missing std:: prefix in nonfinite_num_facets.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5914" target="_top">#5914</a>).
+ </li>
+<li class="listitem">
+ Minor patches for Cray compiler compatibility.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h18"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_47"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_47">Boost-1.47</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added changesign function to sign.hpp to facilitate addition of nonfinite
+ facets.
+ </li>
+<li class="listitem">
+ Addition of nonfinite facets from Johan Rade, with tests, examples of use
+ for C99 format infinity and NaN, and documentation.
+ </li>
+<li class="listitem">
+ Added tests and documentation of changesign from Johan Rade.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h19"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_46_1"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_46_1">Boost-1.46.1</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+ Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/5095" target="_top">#5095</a>,
+ <a href="https://svn.boost.org/trac/boost/ticket/5095" target="_top">#5113</a>.
+ </li></ul></div>
+<h5>
+<a name="math_toolkit.history2.h20"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_46_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_46_0">Boost-1.46.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added Wald, Inverse Gaussian and geometric distributions.
+ </li>
+<li class="listitem">
+ Added information about configuration macros.
+ </li>
+<li class="listitem">
+ Added support for mpreal as a real-numbered type.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h21"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_45_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_45_0">Boost-1.45.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added warnings about potential ambiguity with std random library in distribution
+ and function names.
+ </li>
+<li class="listitem">
+ Added inverse gamma distribution and inverse chi_square and scaled inverse
+ chi_square.
+ </li>
+<li class="listitem">
+ Editorial revision of documentation, and added FAQ.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h22"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_44_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_44_0">Boost-1.44.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Fixed incorrect range and support for Rayleigh distribution.
+ </li>
+<li class="listitem">
+ Fixed numerical error in the quantile of the Student's T distribution:
+ the function was returning garbage values for non-integer degrees of freedom
+ between 2 and 3.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h23"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_41_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_41_0">Boost-1.41.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+ Significantly improved performance for the incomplete gamma function and
+ its inverse.
+ </li></ul></div>
+<h5>
+<a name="math_toolkit.history2.h24"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_40_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_40_0">Boost-1.40.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added support for MPFR as a bignum type.
+ </li>
+<li class="listitem">
+ Added some full specializations of the policy classes to reduce compile
+ times.
+ </li>
+<li class="listitem">
+ Added logistic and hypergeometric distributions, from Gautam Sewani's Google
+ Summer of Code project.
+ </li>
+<li class="listitem">
+ Added Laplace distribution submitted by Thijs van den Berg.
+ </li>
+<li class="listitem">
+ Updated performance test code to include new distributions, and improved
+ the performance of the non-central distributions.
+ </li>
+<li class="listitem">
+ Added SSE2 optimised <a class="link" href="lanczos.html" title="The Lanczos Approximation">Lanczos approximation</a>
+ code, from Gautam Sewani's Google Summer of Code project.
+ </li>
+<li class="listitem">
+ Fixed bug in cyl_bessel_i that used an incorrect approximation for ν = 0.5,
+ also effects the non-central Chi Square Distribution when ν = 3, see bug
+ report <a href="https://svn.boost.org/trac/boost/ticket/2877" target="_top">#2877</a>.
+ </li>
+<li class="listitem">
+ Fixed minor bugs <a href="https://svn.boost.org/trac/boost/ticket/2873" target="_top">#2873</a>.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h25"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_38_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_38_0">Boost-1.38.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added Johan Råde's optimised floating point classification routines.
+ </li>
+<li class="listitem">
+ Fixed code so that it compiles in GCC's -pedantic mode (bug report <a href="https://svn.boost.org/trac/boost/ticket/1451" target="_top">#1451</a>).
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h26"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_37_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_37_0">Boost-1.37.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+ Improved accuracy and testing of the inverse hypergeometric functions.
+ </li></ul></div>
+<h5>
+<a name="math_toolkit.history2.h27"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_36_0"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_36_0">Boost-1.36.0</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added Noncentral Chi Squared Distribution.
+ </li>
+<li class="listitem">
+ Added Noncentral Beta Distribution.
+ </li>
+<li class="listitem">
+ Added Noncentral F Distribution.
+ </li>
+<li class="listitem">
+ Added Noncentral T Distribution.
+ </li>
+<li class="listitem">
+ Added Exponential Integral Functions.
+ </li>
+<li class="listitem">
+ Added Zeta Function.
+ </li>
+<li class="listitem">
+ Added Rounding and Truncation functions.
+ </li>
+<li class="listitem">
+ Added Compile time powers of runtime bases.
+ </li>
+<li class="listitem">
+ Added SSE2 optimizations for Lanczos evaluation.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h28"></a>
+ <span class="phrase"><a name="math_toolkit.history2.boost_1_35_0_post_review_first_o"></a></span><a class="link" href="history2.html#math_toolkit.history2.boost_1_35_0_post_review_first_o">Boost-1.35.0:
+ Post Review First Official Release</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Added Policy based framework that allows fine grained control over function
+ behaviour.
+ </li>
+<li class="listitem">
+ <span class="bold"><strong>Breaking change:</strong></span> Changed default behaviour
+ for domain, pole and overflow errors to throw an exception (based on review
+ feedback), this behaviour can be customised using <a class="link" href="../policy.html" title="Chapter 15. Policies: Controlling Precision, Error Handling etc">Policy</a>'s.
+ </li>
+<li class="listitem">
+ <span class="bold"><strong>Breaking change:</strong></span> Changed exception thrown
+ when an internal evaluation error occurs to boost::math::evaluation_error.
+ </li>
+<li class="listitem">
+ <span class="bold"><strong>Breaking change:</strong></span> Changed discrete quantiles
+ to return an integer result: this is anything up to 20 times faster than
+ finding the true root, this behaviour can be customised using <a class="link" href="../policy.html" title="Chapter 15. Policies: Controlling Precision, Error Handling etc">Policy</a>'s.
+ </li>
+<li class="listitem">
+ Polynomial/rational function evaluation is now customisable and hopefully
+ faster than before.
+ </li>
+<li class="listitem">
+ Added performance test program.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h29"></a>
+ <span class="phrase"><a name="math_toolkit.history2.milestone_4_second_review_candid"></a></span><a class="link" href="history2.html#math_toolkit.history2.milestone_4_second_review_candid">Milestone
+ 4: Second Review Candidate (1st March 2007)</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Moved Xiaogang Zhang's Bessel Functions code into the library, and brought
+ them into line with the rest of the code.
+ </li>
+<li class="listitem">
+ Added C# "Distribution Explorer" demo application.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h30"></a>
+ <span class="phrase"><a name="math_toolkit.history2.milestone_3_first_review_candida"></a></span><a class="link" href="history2.html#math_toolkit.history2.milestone_3_first_review_candida">Milestone
+ 3: First Review Candidate (31st Dec 2006)</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Implemented the main probability distribution and density functions.
+ </li>
+<li class="listitem">
+ Implemented digamma.
+ </li>
+<li class="listitem">
+ Added more factorial functions.
+ </li>
+<li class="listitem">
+ Implemented the Hermite, Legendre and Laguerre polynomials plus the spherical
+ harmonic functions from TR1.
+ </li>
+<li class="listitem">
+ Moved Xiaogang Zhang's elliptic integral code into the library, and brought
+ them into line with the rest of the code.
+ </li>
+<li class="listitem">
+ Moved Hubert Holin's existing Boost.Math special functions into this library
+ and brought them into line with the rest of the code.
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h31"></a>
+ <span class="phrase"><a name="math_toolkit.history2.milestone_2_released_september_1"></a></span><a class="link" href="history2.html#math_toolkit.history2.milestone_2_released_september_1">Milestone
+ 2: Released September 10th 2006</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Implement preview release of the statistical distributions.
+ </li>
+<li class="listitem">
+ Added statistical distributions tutorial.
+ </li>
+<li class="listitem">
+ Implemented root finding algorithms.
+ </li>
+<li class="listitem">
+ Implemented the inverses of the incomplete gamma and beta functions.
+ </li>
+<li class="listitem">
+ Rewrite erf/erfc as rational approximations (valid to 128-bit precision).
+ </li>
+<li class="listitem">
+ Integrated the statistical results generated from the test data with Boost.Test:
+ uses a database of expected results, indexed by test, floating point type,
+ platform, and compiler.
+ </li>
+<li class="listitem">
+ Improved lgamma near 1 and 2 (rational approximations).
+ </li>
+<li class="listitem">
+ Improved erf/erfc inverses (rational approximations).
+ </li>
+<li class="listitem">
+ Implemented Rational function generation (the Remez method).
+ </li>
+</ul></div>
+<h5>
+<a name="math_toolkit.history2.h32"></a>
+ <span class="phrase"><a name="math_toolkit.history2.milestone_1_released_march_31st_"></a></span><a class="link" href="history2.html#math_toolkit.history2.milestone_1_released_march_31st_">Milestone
+ 1: Released March 31st 2006</a>
+ </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+ Implement gamma/beta/erf functions along with their incomplete counterparts.
+ </li>
+<li class="listitem">
+ Generate high quality test data, against which future improvements can
+ be judged.
+ </li>
+<li class="listitem">
+ Provide tools for the evaluation of infinite series, continued fractions,
+ and rational functions.
+ </li>
+<li class="listitem">
+ Provide tools for testing against tabulated test data, and collecting statistics
+ on error rates.
+ </li>
+<li class="listitem">
+ Provide sufficient docs for people to be able to find their way around
+ the library.
+ </li>
+</ul></div>
+<p>
+ SVN Revisions:
+ </p>
+<p>
+ Sandbox and trunk last synchonised at revision: .
+ </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 © 2006-2010, 2012-2014 Nikhar Agrawal,
+ Anton Bikineev, Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert
+ Holin, Bruno Lalande, John Maddock, Jeremy Murphy, Johan Råde, Gautam Sewani,
+ Benjamin Sobotta, Thijs van den Berg, Daryle Walker and Xiaogang Zhang<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="../status.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../status.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="issues.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
+</div>
+</body>
+</html>
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