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| <div class="titlepage"><div><div><h3 class="title"> |
| <a name="math_toolkit.status.history1"></a><a class="link" href="history1.html" title="History and What's New">History and What's New</a> |
| </h3></div></div></div> |
| <a name="math_toolkit.status.history1.boost_1_47"></a><h5> |
| <a name="id1471161"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_47">Boost-1.47</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added changesign function to sign.hpp to facilitate addition of nonfinite |
| facets. |
| </li> |
| <li> |
| Addition of nonfinite facetsfrom Johan Rade, with tests, examples of |
| use for C99 format infinity and NaN, and documentation. |
| </li> |
| <li> |
| Added tests and documentation of changesign from Johan Rade. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.boost_1_46_1"></a><h5> |
| <a name="id1471199"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_46_1">Boost-1.46.1</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"><li> |
| 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> |
| <a name="math_toolkit.status.history1.boost_1_46_0"></a><h5> |
| <a name="id1471233"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_46_0">Boost-1.46.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added Wald, Inverse Gaussian and geometric distributions. |
| </li> |
| <li> |
| Added information about configuration macros. |
| </li> |
| <li> |
| Added support for mpreal as a real-numbered type. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.boost_1_45_0"></a><h5> |
| <a name="id1471271"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_45_0">Boost-1.45.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added warnings about potential ambiguity with std random library in distribution |
| and function names. |
| </li> |
| <li> |
| Added inverse gamma distribution and inverse chi_square and scaled inverse |
| chi_square. |
| </li> |
| <li> |
| Editorial revision of documentation, and added FAQ. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.boost_1_44_0"></a><h5> |
| <a name="id1471310"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_44_0">Boost-1.44.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Fixed incorrect range and support for Rayleigh distribution. |
| </li> |
| <li> |
| 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> |
| <a name="math_toolkit.status.history1.boost_1_41_0"></a><h5> |
| <a name="id1471341"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_41_0">Boost-1.41.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"><li> |
| Significantly improved performance for the incomplete gamma function |
| and its inverse. |
| </li></ul></div> |
| <a name="math_toolkit.status.history1.boost_1_40_0"></a><h5> |
| <a name="id1471365"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_40_0">Boost-1.40.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added support for MPFR as a bignum type. |
| </li> |
| <li> |
| Added some full specializations of the policy classes to reduce compile |
| times. |
| </li> |
| <li> |
| Added logistic and hypergeometric distributions, from Gautam Sewani's |
| Google Summer of Code project. |
| </li> |
| <li> |
| Added Laplace distribution submitted by Thijs van den Berg. |
| </li> |
| <li> |
| Updated performance test code to include new distributions, and improved |
| the performance of the non-central distributions. |
| </li> |
| <li> |
| Added SSE2 optimised <a class="link" href="../backgrounders/lanczos.html" title="The Lanczos Approximation">Lanczos |
| approximation</a> code, from Gautam Sewani's Google Summer of Code |
| project. |
| </li> |
| <li> |
| 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> |
| Fixed minor bugs <a href="https://svn.boost.org/trac/boost/ticket/2873" target="_top">#2873</a>. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.boost_1_38_0"></a><h5> |
| <a name="id1471454"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_38_0">Boost-1.38.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added Johan Råde's optimised floating point classification routines. |
| </li> |
| <li> |
| 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> |
| <a name="math_toolkit.status.history1.boost_1_37_0"></a><h5> |
| <a name="id1471490"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_37_0">Boost-1.37.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"><li> |
| Improved accuracy and testing of the inverse hypergeometric functions. |
| </li></ul></div> |
| <a name="math_toolkit.status.history1.boost_1_36_0"></a><h5> |
| <a name="id1471514"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_36_0">Boost-1.36.0</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added Noncentral Chi Squared Distribution. |
| </li> |
| <li> |
| Added Noncentral Beta Distribution. |
| </li> |
| <li> |
| Added Noncentral F Distribution. |
| </li> |
| <li> |
| Added Noncentral T Distribution. |
| </li> |
| <li> |
| Added Exponential Integral Functions. |
| </li> |
| <li> |
| Added Zeta Function. |
| </li> |
| <li> |
| Added Rounding and Truncation functions. |
| </li> |
| <li> |
| Added Compile time powers of runtime bases. |
| </li> |
| <li> |
| Added SSE2 optimizations for Lanczos evaluation. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.boost_1_35_0__post_review_first_official_release"></a><h5> |
| <a name="id1471595"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.boost_1_35_0__post_review_first_official_release">Boost-1.35.0: |
| Post Review First Official Release</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Added Policy based framework that allows fine grained control over function |
| behaviour. |
| </li> |
| <li> |
| <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="Policies">Policy</a>'s. |
| </li> |
| <li> |
| <span class="bold"><strong>Breaking change:</strong></span> Changed exception thrown |
| when an internal evaluation error occurs to boost::math::evaluation_error. |
| </li> |
| <li> |
| <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="Policies">Policy</a>'s. |
| </li> |
| <li> |
| Polynomial/rational function evaluation is now customisable and hopefully |
| faster than before. |
| </li> |
| <li> |
| Added performance test program. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.milestone_4__second_review_candidate__1st_march_2007_"></a><h5> |
| <a name="id1471679"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.milestone_4__second_review_candidate__1st_march_2007_">Milestone |
| 4: Second Review Candidate (1st March 2007)</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Moved Xiaogang Zhang's Bessel Functions code into the library, and brought |
| them into line with the rest of the code. |
| </li> |
| <li> |
| Added C# "Distribution Explorer" demo application. |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.milestone_3__first_review_candidate__31st_dec_2006_"></a><h5> |
| <a name="id1471710"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.milestone_3__first_review_candidate__31st_dec_2006_">Milestone |
| 3: First Review Candidate (31st Dec 2006)</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Implemented the main probability distribution and density functions. |
| </li> |
| <li> |
| Implemented digamma. |
| </li> |
| <li> |
| Added more factorial functions. |
| </li> |
| <li> |
| Implemented the Hermite, Legendre and Laguerre polynomials plus the spherical |
| harmonic functions from TR1. |
| </li> |
| <li> |
| Moved Xiaogang Zhang's elliptic integral code into the library, and brought |
| them into line with the rest of the code. |
| </li> |
| <li> |
| 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> |
| <a name="math_toolkit.status.history1.milestone_2__released_september_10th_2006"></a><h5> |
| <a name="id1471770"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.milestone_2__released_september_10th_2006">Milestone |
| 2: Released September 10th 2006</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Implement preview release of the statistical distributions. |
| </li> |
| <li> |
| Added statistical distributions tutorial. |
| </li> |
| <li> |
| Implemented root finding algorithms. |
| </li> |
| <li> |
| Implemented the inverses of the incomplete gamma and beta functions. |
| </li> |
| <li> |
| Rewrite erf/erfc as rational approximations (valid to 128-bit precision). |
| </li> |
| <li> |
| 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> |
| Improved lgamma near 1 and 2 (rational approximations). |
| </li> |
| <li> |
| Improved erf/erfc inverses (rational approximations). |
| </li> |
| <li> |
| Implemented Rational function generation (the Remez method). |
| </li> |
| </ul></div> |
| <a name="math_toolkit.status.history1.milestone_1__released_march_31st_2006"></a><h5> |
| <a name="id1471852"></a> |
| <a class="link" href="history1.html#math_toolkit.status.history1.milestone_1__released_march_31st_2006">Milestone |
| 1: Released March 31st 2006</a> |
| </h5> |
| <div class="itemizedlist"><ul type="disc"> |
| <li> |
| Implement gamma/beta/erf functions along with their incomplete counterparts. |
| </li> |
| <li> |
| Generate high quality test data, against which future improvements can |
| be judged. |
| </li> |
| <li> |
| Provide tools for the evaluation of infinite series, continued fractions, |
| and rational functions. |
| </li> |
| <li> |
| Provide tools for testing against tabulated test data, and collecting |
| statistics on error rates. |
| </li> |
| <li> |
| 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 , 2007, 2008, 2009, 2010 John Maddock, Paul A. Bristow, |
| Hubert Holin, Xiaogang Zhang, Bruno Lalande, Johan Råde, Gautam Sewani and |
| Thijs van den Berg<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
| </p> |
| </div></td> |
| </tr></table> |
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