| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> |
| <title>History and What's New</title> |
| <link rel="stylesheet" href="../math.css" type="text/css"> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.77.1"> |
| <link rel="home" href="../index.html" title="Math Toolkit 2.2.0"> |
| <link rel="up" href="../overview.html" title="Chapter 1. Overview"> |
| <link rel="prev" href="building.html" title="If and How to Build a Boost.Math Library, and its Examples and Tests"> |
| <link rel="next" href="overview_tr1.html" title="C99 and C++ TR1 C-style Functions"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table cellpadding="2" width="100%"><tr> |
| <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> |
| <td align="center"><a href="../../../../../index.html">Home</a></td> |
| <td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> |
| <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> |
| <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> |
| <td align="center"><a href="../../../../../more/index.htm">More</a></td> |
| </tr></table> |
| <hr> |
| <div class="spirit-nav"> |
| <a accesskey="p" href="building.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../overview.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="overview_tr1.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> |
| </div> |
| <div class="section"> |
| <div class="titlepage"><div><div><h2 class="title" style="clear: both"> |
| <a name="math_toolkit.history1"></a><a class="link" href="history1.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.history1.h0"></a> |
| <span class="phrase"><a name="math_toolkit.history1.math_2_2_0_boost_1_58_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h1"></a> |
| <span class="phrase"><a name="math_toolkit.history1.math_2_1_0_boost_1_57_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h2"></a> |
| <span class="phrase"><a name="math_toolkit.history1.math_2_0_0_boost_1_56_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h3"></a> |
| <span class="phrase"><a name="math_toolkit.history1.math_1_9_1"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h4"></a> |
| <span class="phrase"><a name="math_toolkit.history1.math_1_9_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h5"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_55"></a></span><a class="link" href="history1.html#math_toolkit.history1.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"> |
| Add improvement to non-central chi squared distribution quantile due to |
| Thomas Luu. |
| </li> |
| </ul></div> |
| <h5> |
| <a name="math_toolkit.history1.h6"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_54"></a></span><a class="link" href="history1.html#math_toolkit.history1.boost_1_54">Boost-1.54</a> |
| </h5> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <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.history1.h7"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_53"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h8"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_52"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h9"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_51"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h10"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_50"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h11"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_49"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h12"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_48"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h13"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_47"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h14"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_46_1"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h15"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_46_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h16"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_45_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h17"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_44_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h18"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_41_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h19"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_40_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h20"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_38_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h21"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_37_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h22"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_36_0"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h23"></a> |
| <span class="phrase"><a name="math_toolkit.history1.boost_1_35_0_post_review_first_o"></a></span><a class="link" href="history1.html#math_toolkit.history1.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 14. 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 14. 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.history1.h24"></a> |
| <span class="phrase"><a name="math_toolkit.history1.milestone_4_second_review_candid"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h25"></a> |
| <span class="phrase"><a name="math_toolkit.history1.milestone_3_first_review_candida"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h26"></a> |
| <span class="phrase"><a name="math_toolkit.history1.milestone_2_released_september_1"></a></span><a class="link" href="history1.html#math_toolkit.history1.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.history1.h27"></a> |
| <span class="phrase"><a name="math_toolkit.history1.milestone_1_released_march_31st_"></a></span><a class="link" href="history1.html#math_toolkit.history1.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, 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="building.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../overview.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="overview_tr1.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> |
| </div> |
| </body> |
| </html> |
