1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>History and What's New</title> 5<link rel="stylesheet" href="../math.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../index.html" title="Math Toolkit 2.12.0"> 8<link rel="up" href="../status.html" title="Chapter 24. Library Status"> 9<link rel="prev" href="../status.html" title="Chapter 24. Library Status"> 10<link rel="next" href="issues.html" title="Known Issues, and TODO List"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<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> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h2 class="title" style="clear: both"> 27<a name="math_toolkit.history2"></a><a class="link" href="history2.html" title="History and What's New">History and What's New</a> 28</h2></div></div></div> 29<p> 30 Currently open bug reports can be viewed <a href="https://github.com/boostorg/math/issues" target="_top">here</a> 31 on GitHub. 32 </p> 33<p> 34 All old bug reports including closed ones can be viewed on Trac <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>. 35 </p> 36<p> 37 Recent issues on GitHub <a href="https://github.com/boostorg/math/issues?utf8=%E2%9C%93&q=is%3Aissue" target="_top">here</a>. 38 </p> 39<h5> 40<a name="math_toolkit.history2.h0"></a> 41 <span class="phrase"><a name="math_toolkit.history2.math_2_12_0_boost_1_73"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_12_0_boost_1_73">Math-2.12.0 42 (Boost-1.73)</a> 43 </h5> 44<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 45<li class="listitem"> 46 IMPORTANT: C++03 support is now deprecated and will be removed from March 47 2021. 48 </li> 49<li class="listitem"> 50 Added <a class="link" href="cubic_hermite.html" title="Cubic Hermite interpolation">Cubic Hermite Interpolation.</a> 51 </li> 52<li class="listitem"> 53 Added <a class="link" href="makima.html" title="Modified Akima interpolation">Modified Akima Interpolation.</a> 54 </li> 55<li class="listitem"> 56 Added <a class="link" href="pchip.html" title="PCHIP interpolation">PCHIP Interpolation.</a> 57 </li> 58<li class="listitem"> 59 Added <a class="link" href="quintic_hermite.html" title="Quintic Hermite interpolation">Quintic Hermite Interpolation.</a> 60 </li> 61<li class="listitem"> 62 Added entropy to numerous distributions. 63 </li> 64<li class="listitem"> 65 Allow trivial quadrature case where the two end points are equal, and in 66 addition allow bounds to be interchanged. 67 </li> 68<li class="listitem"> 69 Fix exp_sinh quadrature to work with complex types over a non-native range. 70 </li> 71<li class="listitem"> 72 Fix miscellaneous compiler warnings in factorial.hpp. 73 </li> 74<li class="listitem"> 75 Use std::chrono rather than boost::chrono in timed pFq calculations. 76 </li> 77<li class="listitem"> 78 Remove much of the old boost::mpl dependencies to improve constexpr support. 79 </li> 80</ul></div> 81<h5> 82<a name="math_toolkit.history2.h1"></a> 83 <span class="phrase"><a name="math_toolkit.history2.math_2_11_0_boost_1_72"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_11_0_boost_1_72">Math-2.11.0 84 (Boost-1.72)</a> 85 </h5> 86<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 87<li class="listitem"> 88 Added Hypergeometric functions <a class="link" href="hypergeometric/hypergeometric_1f0.html" title="Hypergeometric 1F0">1F0</a>, 89 <a class="link" href="hypergeometric/hypergeometric_0f1.html" title="Hypergeometric 0F1">0F1</a>, 90 <a class="link" href="hypergeometric/hypergeometric_2f0.html" title="Hypergeometric 2F0">2F0</a>, 91 <a class="link" href="hypergeometric/hypergeometric_1f1.html" title="Hypergeometric 1F1">1F1</a> 92 and <a class="link" href="hypergeometric/hypergeometric_pfq.html" title="Hypergeometric pFq">pFq</a>. 93 </li> 94<li class="listitem"> 95 Added <a class="link" href="sf_poly/jacobi.html" title="Jacobi Polynomials">Jacobi polynomial</a> 96 (and derivatives) evaluation. 97 </li> 98<li class="listitem"> 99 Added <a class="link" href="sf_poly/gegenbauer.html" title="Gegenbauer Polynomials">Gegenbauer polynomial</a> 100 (and derivatives) evaluation. 101 </li> 102<li class="listitem"> 103 Added <a class="link" href="sf_poly/cardinal_b_splines.html" title="Cardinal B-splines">Cardinal 104 B-Splines</a> (and derivatives) as polynomial functions in their own 105 right. 106 </li> 107<li class="listitem"> 108 Added <a class="link" href="cardinal_trigonometric.html" title="Cardinal Trigonometric interpolation">Cardinal Trigonometric 109 Interpolation</a>. 110 </li> 111<li class="listitem"> 112 Added new statistics sub-section. 113 </li> 114<li class="listitem"> 115 Added <a class="link" href="t_test.html" title="t-tests">One Sample Student's T Test</a>. 116 </li> 117<li class="listitem"> 118 Added <a class="link" href="anderson_darling.html" title="The Anderson-Darling Test">Anderson Darling test 119 for normality</a>. 120 </li> 121<li class="listitem"> 122 Added <a class="link" href="ljung_box.html" title="The Ljung-Box Test">Ljung Box test for auto-correlation</a>. 123 </li> 124<li class="listitem"> 125 Added <a class="link" href="runs_test.html" title="Runs tests">Runs test for random sequences</a>. 126 </li> 127<li class="listitem"> 128 The headers <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">univariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code> and <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">bivariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code>, 129 have been deprecated in favor of <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">statistics</span><span class="special">/</span><span class="identifier">univariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code> 130 and <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">statistics</span><span class="special">/</span><span class="identifier">bivariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code>. 131 </li> 132<li class="listitem"> 133 Added <a class="link" href="dist_ref/dists/empirical_cdf.html" title="Empirical Cumulative Distribution Function">The Empirical 134 CDF distribution</a>. 135 </li> 136<li class="listitem"> 137 Reworked the Sterling approximation used by multiprecision gamma functions 138 to be applicable to all the function that use the Lanczos approximation 139 at regular precision. Also extended Lanczos approximations up to 100 decimal 140 digit precision. 141 </li> 142</ul></div> 143<h5> 144<a name="math_toolkit.history2.h2"></a> 145 <span class="phrase"><a name="math_toolkit.history2.math_2_10_0_boost_1_71"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_10_0_boost_1_71">Math-2.10.0 146 (Boost-1.71)</a> 147 </h5> 148<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 149<li class="listitem"> 150 Catmull-Rom interpolator now works in C++11. 151 </li> 152<li class="listitem"> 153 Cardinal quadratic B-spline interpolation. 154 </li> 155<li class="listitem"> 156 Domain of elliptic integrals extended. 157 </li> 158<li class="listitem"> 159 sin_pi and cos_pi performance improvements. 160 </li> 161<li class="listitem"> 162 Forward-mode automatic differentiation. 163 </li> 164<li class="listitem"> 165 Vector valued barycentric rational interpolation. 166 </li> 167<li class="listitem"> 168 Ooura's method for evaluation of Fourier integrals. 169 </li> 170<li class="listitem"> 171 Multiple compatibility issues with Multiprecision fixed. 172 </li> 173<li class="listitem"> 174 Lambert-W fixed on a rare architecture. 175 </li> 176</ul></div> 177<h5> 178<a name="math_toolkit.history2.h3"></a> 179 <span class="phrase"><a name="math_toolkit.history2.math_2_9_0_boost_1_70"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_9_0_boost_1_70">Math-2.9.0 180 (Boost-1.70)</a> 181 </h5> 182<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 183<li class="listitem"> 184 Add Lanczos smoothing derivatives 185 </li> 186<li class="listitem"> 187 Move <code class="computeroutput"><span class="identifier">numerical_differentiation</span><span class="special">.</span><span class="identifier">hpp</span></code> 188 from <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></code> 189 to <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">differentiation</span><span class="special">/</span><span class="identifier">finite_difference</span><span class="special">.</span><span class="identifier">hpp</span></code>. 190 </li> 191<li class="listitem"> 192 Add mean, variance, skewness, kurtosis, median, Gini coefficient, and median 193 absolute deviation to <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">univariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code>. 194 </li> 195<li class="listitem"> 196 Add correlation coefficients and covariance to <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">bivariate_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code> 197 </li> 198<li class="listitem"> 199 Add absolute Gini coefficient, Hoyer sparsity, oracle SNR, and the <span class="emphasis"><em>M</em></span><sub>2</sub><span class="emphasis"><em>M</em></span><sub>4</sub> SNR 200 estimator to <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">signal_statistics</span><span class="special">.</span><span class="identifier">hpp</span></code>. 201 </li> 202<li class="listitem"> 203 Add total variation, l0, l1, l2, and sup norms, as well as corresponding 204 distance functions to <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">norms</span><span class="special">.</span><span class="identifier">hpp</span></code>. 205 </li> 206<li class="listitem"> 207 Add move constructors for polynomials, support complex coefficients, add 208 <code class="computeroutput"><span class="special">.</span><span class="identifier">prime</span><span class="special">()</span></code> and <code class="computeroutput"><span class="special">.</span><span class="identifier">integrate</span><span class="special">()</span></code> 209 methods. 210 </li> 211<li class="listitem"> 212 Add <code class="computeroutput"><span class="identifier">quadratic_roots</span></code> to 213 <code class="computeroutput"><span class="identifier">tools</span><span class="special">/</span><span class="identifier">roots</span><span class="special">.</span><span class="identifier">hpp</span></code>. 214 </li> 215<li class="listitem"> 216 Add support for complex-valued functions to Newton's method in <code class="computeroutput"><span class="identifier">roots</span><span class="special">.</span><span class="identifier">hpp</span></code>. 217 </li> 218<li class="listitem"> 219 Add Catmull-Rom interpolator. 220 </li> 221<li class="listitem"> 222 Fix bug in <code class="computeroutput"><span class="identifier">newton_raphson_iterate</span></code> 223 where we could terminate incorrectly under certain exceptional cases. 224 </li> 225<li class="listitem"> 226 Suppressed warnings from use of <code class="computeroutput"><span class="identifier">Q</span></code> 227 suffix on constants when compiling with <code class="computeroutput"><span class="identifier">g</span><span class="special">++</span> <span class="special">-</span><span class="identifier">Wall</span> 228 <span class="special">-</span><span class="identifier">pedantic</span></code>. 229 </li> 230</ul></div> 231<h5> 232<a name="math_toolkit.history2.h4"></a> 233 <span class="phrase"><a name="math_toolkit.history2.math_2_8_0_boost_1_69"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_8_0_boost_1_69">Math-2.8.0 234 (Boost-1.69)</a> 235 </h5> 236<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 237<li class="listitem"> 238 Add LambertW functions. 239 </li> 240<li class="listitem"> 241 Update integration routines to support complex valued integrands and contour 242 integrals. 243 </li> 244<li class="listitem"> 245 Added the derivative of the Barycentric rational approximation. 246 </li> 247<li class="listitem"> 248 Updated continued fraction and series evaluation code to support complex 249 types. 250 </li> 251<li class="listitem"> 252 Minor fixes to better support variable precision floating point types. 253 </li> 254<li class="listitem"> 255 Removed use of deprecated Boost.Endian in favour of Predef. 256 </li> 257<li class="listitem"> 258 Prevent logic error leading to infinite loop in toms748_solve. See <a href="https://github.com/boostorg/math/issues/138" target="_top">#138</a>. 259 </li> 260<li class="listitem"> 261 Fix mean and standard_deviation for extreme_value_distribution. See <a href="https://github.com/boostorg/math/issues/139" target="_top">#139</a>. 262 </li> 263<li class="listitem"> 264 Improve heuristics used in newton_raphson_iterate. See <a href="https://github.com/boostorg/math/issues/145" target="_top">#145</a>. 265 </li> 266<li class="listitem"> 267 Fix result of <code class="computeroutput"><span class="identifier">erf</span><span class="special">(</span><span class="identifier">NaN</span><span class="special">)</span></code>. 268 See <a href="https://github.com/boostorg/math/issues/141" target="_top">#141</a>. 269 </li> 270<li class="listitem"> 271 Big push to reduce GCC warnings. See <a href="https://github.com/boostorg/math/issues/136" target="_top">#136</a>. 272 </li> 273<li class="listitem"> 274 Refactor polynomial addition. See <a href="https://github.com/boostorg/math/pull/132" target="_top">PR132</a>. 275 </li> 276<li class="listitem"> 277 Fix for vxWorks having a <code class="computeroutput"><span class="identifier">real</span></code> 278 function in the global namespace. See <a href="https://github.com/boostorg/math/pull/131" target="_top">PR131</a>. 279 </li> 280<li class="listitem"> 281 Improve <code class="computeroutput"><span class="identifier">sinc</span></code> approximations 282 and add better tests. 283 </li> 284<li class="listitem"> 285 Fix typo in Student's T hypothesis testing documentation, see <a href="https://github.com/boostorg/math/issues/143" target="_top">#143</a>. 286 </li> 287</ul></div> 288<h5> 289<a name="math_toolkit.history2.h5"></a> 290 <span class="phrase"><a name="math_toolkit.history2.math_2_7_1_boost_1_68"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_7_1_boost_1_68">Math-2.7.1 291 (Boost-1.68)</a> 292 </h5> 293<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 294<li class="listitem"> 295 Continue to improve numerical integration routines, and in particular add 296 support for contour integrals. 297 </li> 298<li class="listitem"> 299 Improve accuracy of erfc function's rational approximations. 300 </li> 301</ul></div> 302<h5> 303<a name="math_toolkit.history2.h6"></a> 304 <span class="phrase"><a name="math_toolkit.history2.math_2_7_0_boost_1_66"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_7_0_boost_1_66">Math-2.7.0 305 (Boost-1.66)</a> 306 </h5> 307<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 308<li class="listitem"> 309 Add Gauss and Gauss-Kronrod quadrature routines. 310 </li> 311<li class="listitem"> 312 Add double-exponential (tanh-sinh, exp-sinh and sinh-sinh) quadrature routines. 313 </li> 314<li class="listitem"> 315 Add Chebyshev polynomial evaluation, roots, integration, differentiation, 316 and interpolation routines. 317 </li> 318</ul></div> 319<h5> 320<a name="math_toolkit.history2.h7"></a> 321 <span class="phrase"><a name="math_toolkit.history2.math_2_6_0_boost_1_65"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_6_0_boost_1_65">Math-2.6.0 322 (Boost-1.65)</a> 323 </h5> 324<p> 325 New Features: 326 </p> 327<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 328<li class="listitem"> 329 Add <a class="link" href="cardinal_cubic_b.html" title="Cardinal Cubic B-spline interpolation">Cardinal cubic B-Spline 330 interpolation functions</a>, with thanks to Nick Thompson. 331 </li> 332<li class="listitem"> 333 Add <a class="link" href="barycentric.html" title="Barycentric Rational Interpolation">barycentric rational interpolation 334 functions</a>, with thanks to Nick Thompson. 335 </li> 336<li class="listitem"> 337 Add <a class="link" href="trapezoidal.html" title="Trapezoidal Quadrature">adaptive trapezoidal quadrature</a>, 338 with thanks to Nick Thompson. 339 </li> 340<li class="listitem"> 341 Add <a class="link" href="sf_poly/legendre.html" title="Legendre (and Associated) Polynomials">support for the zeros 342 and derivatives of Legendre polynomials</a>, with thanks to Nick Thompson. 343 </li> 344</ul></div> 345<p> 346 Patches: 347 </p> 348<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 349<li class="listitem"> 350 Improve polynomial GCD algorithms, with thanks to Jeremy Murphy. 351 </li> 352<li class="listitem"> 353 Removed gcd/lcm routines from Boost.Math - these are now in Boost.Integer. 354 </li> 355</ul></div> 356<h5> 357<a name="math_toolkit.history2.h8"></a> 358 <span class="phrase"><a name="math_toolkit.history2.math_2_5_2_boost_1_64"></a></span><a class="link" href="history2.html#math_toolkit.history2.math_2_5_2_boost_1_64">Math-2.5.2 359 (Boost-1.64)</a> 360 </h5> 361<p> 362 Patches: 363 </p> 364<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 365<li class="listitem"> 366 Big push to ensure all functions in also in C99 are compatible with Annex 367 F. 368 </li> 369<li class="listitem"> 370 Improved accuracy of the Bessel functions I0, I1, K0 and K1, see <a href="https://svn.boost.org/trac/boost/ticket/12066" target="_top">12066</a>. 371 </li> 372</ul></div> 373<h5> 374<a name="math_toolkit.history2.h9"></a> 375 <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-2.5.1 376 (Boost-1.63)</a> 377 </h5> 378<p> 379 Patches: 380 </p> 381<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 382<li class="listitem"> 383 Fixed evaluation of zero polynomial in polynomial.hpp, see <a href="https://svn.boost.org/trac/boost/ticket/12532" target="_top">12532</a>. 384 </li> 385<li class="listitem"> 386 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>. 387 </li> 388</ul></div> 389<h5> 390<a name="math_toolkit.history2.h10"></a> 391 <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-2.5.0 392 (Boost-1.62)</a> 393 </h5> 394<p> 395 New Features: 396 </p> 397<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 398 Enabled all the special function code to work correctly with types whose 399 precision can change at runtime: for example type <code class="computeroutput"><span class="identifier">mpfr_float</span></code> 400 from Boost.Multiprecision. 401 </li></ul></div> 402<p> 403 Patches: 404 </p> 405<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 406<li class="listitem"> 407 Fix tgamma_delta_ratio for cases where the delta is small compared to the 408 base. 409 </li> 410<li class="listitem"> 411 Fix misc GCC-4.4 test failures. 412 </li> 413</ul></div> 414<h5> 415<a name="math_toolkit.history2.h11"></a> 416 <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-2.4.0 417 (Boost-1.61)</a> 418 </h5> 419<p> 420 New Features: 421 </p> 422<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 423 Polynomial arithmetic added to tools. 424 </li></ul></div> 425<h5> 426<a name="math_toolkit.history2.h12"></a> 427 <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-2.3.0 428 (Boost-1.60)</a> 429 </h5> 430<p> 431 New Features: 432 </p> 433<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 434<li class="listitem"> 435 Promote the root finding and function minimization code to first class 436 citizens - these are now officially supported as part of the library. 437 </li> 438<li class="listitem"> 439 Allow the library to be used and tested with compiler exception handling 440 support turned off. To better facilitate this the default error handling 441 policies have been changed to <span class="emphasis"><em>errno_on_error</em></span> but only 442 when the compiler has no exception handling support. 443 </li> 444</ul></div> 445<p> 446 Patches: 447 </p> 448<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 449<li class="listitem"> 450 Fix behaviour of the non-central chi-squared distribution when the non-centrality 451 parameter is zero to match the chi-squared, see <a href="https://svn.boost.org/trac/boost/ticket/11557" target="_top">11557</a>. 452 </li> 453<li class="listitem"> 454 Fix comments in code for the hypergeometric to match what it actually does, 455 also fixes the parameter access functions to return the correct values. 456 See <a href="https://svn.boost.org/trac/boost/ticket/11556" target="_top">11556</a>. 457 </li> 458<li class="listitem"> 459 Stopped using hidden visibility library build with the Oracle compiler 460 as it leads to unresolved externals from the C++ standard library. See 461 <a href="https://svn.boost.org/trac/boost/ticket/11547" target="_top">11547</a>. 462 </li> 463<li class="listitem"> 464 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>. 465 </li> 466<li class="listitem"> 467 Fix corner case bug in root bracketing code, see <a href="https://svn.boost.org/trac/boost/ticket/11532" target="_top">11532</a>. 468 </li> 469<li class="listitem"> 470 Add some missing typecasts in arguments to std::max in Bernoulli code. 471 See <a href="https://svn.boost.org/trac/boost/ticket/11453" target="_top">11453</a>. 472 </li> 473<li class="listitem"> 474 Fix mistaken assumptions about the possible values for FLT_EVAL_METHOD. 475 See <a href="https://svn.boost.org/trac/boost/ticket/11429" target="_top">11429</a>. 476 </li> 477<li class="listitem"> 478 Completely revamped performance testing and error-rate measuring code so 479 we can more easily document how well (or not!) we're doing. This information 480 will hopefully get more frequently updated in future as it's more or less 481 automatically generated - see the <span class="emphasis"><em>reporting</em></span> sub-directory 482 for more information. 483 </li> 484<li class="listitem"> 485 Fix some corner cases in the beta, incomplete beta, and incomplete beta 486 derivative. With thanks to Rocco Romeo. 487 </li> 488<li class="listitem"> 489 Reorganized the Bessel functions internally to improve the performance 490 of Jn and Yn. 491 </li> 492<li class="listitem"> 493 Fixed skewness formula for triangular distribution, see <a href="https://svn.boost.org/trac/boost/ticket/11768" target="_top">#11768</a>. 494 </li> 495<li class="listitem"> 496 Fixed some examples so they compile on Unix platforms which have an ::exception 497 struct declared, see <a href="https://svn.boost.org/trac/boost/ticket/11827" target="_top">#11827</a>. 498 </li> 499<li class="listitem"> 500 Correct mistake in triangular distribution skewness formula <a href="https://svn.boost.org/trac/boost/ticket/11768" target="_top">11768</a>, 501 reported by Juan Leni. 502 </li> 503</ul></div> 504<h5> 505<a name="math_toolkit.history2.h13"></a> 506 <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> 507 </h5> 508<p> 509 Patch release for Boost-1.58: 510 </p> 511<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 512<li class="listitem"> 513 Minor <a href="https://github.com/boostorg/math/pull/13#issuecomment-98905579" target="_top">patch 514 for Haiku support.</a> 515 </li> 516<li class="listitem"> 517 Fix the decimal digit count for 128-bit floating point types. 518 </li> 519<li class="listitem"> 520 Fix a few documentation typos. 521 </li> 522</ul></div> 523<h5> 524<a name="math_toolkit.history2.h14"></a> 525 <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-2.2.0 526 (boost-1.58.0)</a> 527 </h5> 528<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 529<li class="listitem"> 530 Added two new special functions - <a class="link" href="sf_gamma/trigamma.html" title="Trigamma">trigamma</a> 531 and <a class="link" href="sf_gamma/polygamma.html" title="Polygamma">polygamma</a>. 532 </li> 533<li class="listitem"> 534 Fixed namespace scope constants so they are constexpr on conforming compilers, 535 see https://svn.boost.org/trac/boost/ticket/10901. 536 </li> 537<li class="listitem"> 538 Fixed various cases of spurious under/overflow in the incomplete beta and 539 gamma functions, plus the elliptic integrals, with thanks to Rocco Romeo. 540 </li> 541<li class="listitem"> 542 Fix 3-arg <a class="link" href="sf_poly/legendre.html" title="Legendre (and Associated) Polynomials">legendre_p</a> 543 and <a class="link" href="sf_poly/legendre.html" title="Legendre (and Associated) Polynomials">legendre_q</a> functions 544 to not call the policy based overload if the final argument is not actually 545 a policy. 546 </li> 547<li class="listitem"> 548 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>. 549 </li> 550<li class="listitem"> 551 Fixed extreme-value pdf for large valued inputs, see <a href="https://svn.boost.org/trac/boost/ticket/10938" target="_top">#10938</a>. 552 </li> 553<li class="listitem"> 554 Large update to the Elliptic integral code to use Carlson's latest algorithms 555 - these should be more stable, more accurate and slightly faster than before. 556 Also added support for Carlson's RG integral. 557 </li> 558<li class="listitem"> 559 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 560 integrals. 561 </li> 562<li class="listitem"> 563 Switched documentation to use SVG rather than PNG graphs and equations 564 - browsers seem to have finally caught up! 565 </li> 566</ul></div> 567<h5> 568<a name="math_toolkit.history2.h15"></a> 569 <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-2.1.0 570 (boost-1.57.0)</a> 571 </h5> 572<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 573<li class="listitem"> 574 Added <a class="link" href="dist_ref/dists/hyperexponential_dist.html" title="Hyperexponential Distribution">Hyperexponential 575 Distribution</a>. 576 </li> 577<li class="listitem"> 578 Fix some spurious overflows in the incomplete gamma functions (with thanks 579 to Rocco Romeo). 580 </li> 581<li class="listitem"> 582 Fix bug in derivative of incomplete beta when a = b = 0.5 - this also effects 583 several non-central distributions, see <a href="https://svn.boost.org/trac/boost/ticket/10480" target="_top">10480</a>. 584 </li> 585<li class="listitem"> 586 Fixed some corner cases in <a class="link" href="rounding/round.html" title="Rounding Functions">round</a>. 587 </li> 588<li class="listitem"> 589 Don't support 80-bit floats in cstdfloat.hpp if standard library support 590 is broken. 591 </li> 592</ul></div> 593<h5> 594<a name="math_toolkit.history2.h16"></a> 595 <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-2.0.0 596 (Boost-1.56.0)</a> 597 </h5> 598<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 599<li class="listitem"> 600 <span class="bold"><strong>Breaking change</strong></span>: moved a number of non-core 601 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 602 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>, 603 <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>, 604 <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 605 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 606 path. 607 </li> 608<li class="listitem"> 609 <span class="bold"><strong>Breaking change</strong></span>: A number of distributions 610 and special functions were returning the maximum finite value rather than 611 raising an <a class="link" href="error_handling.html#math_toolkit.error_handling.overflow_error">overflow_error</a>, 612 this has now been fixed, which means these functions now behave as documented. 613 However, since the default behavior on raising an <a class="link" href="error_handling.html#math_toolkit.error_handling.overflow_error">overflow_error</a> 614 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 615 which have come to reply rely on these functions not throwing may experience 616 exceptions where they did not before. The special functions involved are 617 <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_p_inva</a>, 618 <a class="link" href="sf_gamma/igamma_inv.html" title="Incomplete Gamma Function Inverses">gamma_q_inva</a>, 619 <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibeta_inva</a>, 620 <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibetac_inva</a>, 621 <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibeta_invb</a>, 622 <a class="link" href="sf_beta/ibeta_inv_function.html" title="The Incomplete Beta Function Inverses">ibetac_invb</a>, 623 <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 624 involved are <a class="link" href="dist_ref/dists/pareto.html" title="Pareto Distribution">Pareto 625 Distribution</a>, <a class="link" href="dist_ref/dists/beta_dist.html" title="Beta Distribution">Beta 626 Distribution</a>, <a class="link" href="dist_ref/dists/geometric_dist.html" title="Geometric Distribution">Geometric 627 Distribution</a>, <a class="link" href="dist_ref/dists/negative_binomial_dist.html" title="Negative Binomial Distribution">Negative 628 Binomial Distribution</a>, <a class="link" href="dist_ref/dists/binomial_dist.html" title="Binomial Distribution">Binomial 629 Distribution</a>, <a class="link" href="dist_ref/dists/chi_squared_dist.html" title="Chi Squared Distribution">Chi 630 Squared Distribution</a>, <a class="link" href="dist_ref/dists/gamma_dist.html" title="Gamma (and Erlang) Distribution">Gamma 631 Distribution</a>, <a class="link" href="dist_ref/dists/inverse_chi_squared_dist.html" title="Inverse Chi Squared Distribution">Inverse 632 chi squared Distribution</a>, <a class="link" href="dist_ref/dists/inverse_gamma_dist.html" title="Inverse Gamma Distribution">Inverse 633 Gamma Distribution</a>. See <a href="https://svn.boost.org/trac/boost/ticket/10111" target="_top">#10111</a>. 634 </li> 635<li class="listitem"> 636 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 637 be used with integer arguments, see <a href="https://svn.boost.org/trac/boost/ticket/10066" target="_top">#10066</a>. 638 </li> 639<li class="listitem"> 640 Fix Halley iteration to handle zero derivative (with non-zero second derivative), 641 see <a href="https://svn.boost.org/trac/boost/ticket/10046" target="_top">#10046</a>. 642 </li> 643</ul></div> 644<h5> 645<a name="math_toolkit.history2.h17"></a> 646 <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> 647 </h5> 648<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 649<li class="listitem"> 650 Fix Geometric distribution use of Policies, see <a href="https://svn.boost.org/trac/boost/ticket/9833" target="_top">#9833</a>. 651 </li> 652<li class="listitem"> 653 Fix corner cases in the negative binomial distribution, see <a href="https://svn.boost.org/trac/boost/ticket/9834" target="_top">#9834</a>. 654 </li> 655<li class="listitem"> 656 Fix compilation failures on Mac OS. 657 </li> 658</ul></div> 659<h5> 660<a name="math_toolkit.history2.h18"></a> 661 <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> 662 </h5> 663<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 664<li class="listitem"> 665 Changed version number to new Boost.Math specific version now that we're 666 in the modular Boost world. 667 </li> 668<li class="listitem"> 669 Added <a class="link" href="number_series/bernoulli_numbers.html" title="Bernoulli Numbers">Bernoulli 670 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 671 approximation (from Nikhar Agrawal). 672 </li> 673<li class="listitem"> 674 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>, 675 <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_neumann_prime</a>, 676 <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_bessel_i_prime</a>, 677 <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">cyl_bessel_k_prime</a>, 678 <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">sph_bessel_prime</a> 679 and <a class="link" href="bessel/bessel_derivatives.html" title="Derivatives of the Bessel Functions">sph_neumann_prime</a> 680 (from Anton Bikineev). 681 </li> 682<li class="listitem"> 683 Fixed buggy Student's t example code, along with docs for testing sample 684 means for equivalence. 685 </li> 686<li class="listitem"> 687 Documented <code class="computeroutput"><span class="identifier">max_iter</span></code> parameter 688 in root finding code better, see <a href="https://svn.boost.org/trac/boost/ticket/9225" target="_top">#9225</a>. 689 </li> 690<li class="listitem"> 691 Add option to explicitly enable/disable use of __float128 in constants 692 code, see <a href="https://svn.boost.org/trac/boost/ticket/9240" target="_top">#9240</a>. 693 </li> 694<li class="listitem"> 695 Cleaned up handling of negative values in Bessel I0 and I1 code (removed 696 dead code), see <a href="https://svn.boost.org/trac/boost/ticket/9512" target="_top">#9512</a>. 697 </li> 698<li class="listitem"> 699 Fixed handling of very small values passed to <a class="link" href="sf_gamma/tgamma.html" title="Gamma">tgamma</a> 700 and <a class="link" href="sf_gamma/lgamma.html" title="Log Gamma">lgamma</a> so they 701 don't generate spurious overflows (thanks to Rocco Romeo). 702 </li> 703<li class="listitem"> 704 <a href="https://svn.boost.org/trac/boost/ticket/9672" target="_top">#9672 PDF and 705 CDF of a Laplace distribution throwing domain_error</a> Random variate 706 can now be infinite. 707 </li> 708<li class="listitem"> 709 Fixed several corner cases in <a class="link" href="factorials/sf_rising_factorial.html" title="Rising Factorial">rising_factorial</a>, 710 <a class="link" href="factorials/sf_falling_factorial.html" title="Falling Factorial">falling_factorial</a> 711 and <a class="link" href="sf_gamma/gamma_ratios.html" title="Ratios of Gamma Functions">tgamma_delta_ratio</a> 712 with thanks to Rocco Romeo. 713 </li> 714<li class="listitem"> 715 Fixed several corner cases in <a class="link" href="factorials/sf_rising_factorial.html" title="Rising Factorial">rising_factorial</a>, 716 <a class="link" href="factorials/sf_falling_factorial.html" title="Falling Factorial">falling_factorial</a> 717 and <a class="link" href="sf_gamma/gamma_ratios.html" title="Ratios of Gamma Functions">tgamma_delta_ratio</a> 718 (thanks to Rocco Romeo). 719 </li> 720<li class="listitem"> 721 Removed constant <code class="computeroutput"><span class="identifier">pow23_four_minus_pi</span> 722 </code> whose value did not match the name (and was unused by Boost.Math), 723 see <a href="https://svn.boost.org/trac/boost/ticket/9712" target="_top">#9712</a>. 724 </li> 725</ul></div> 726<h5> 727<a name="math_toolkit.history2.h19"></a> 728 <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> 729 </h5> 730<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 731<li class="listitem"> 732 Suppress numerous warnings (mostly from GCC-4.8 and MSVC) <a href="https://svn.boost.org/trac/boost/ticket/8384" target="_top">#8384</a>, 733 <a href="https://svn.boost.org/trac/boost/ticket/8855" target="_top">#8855</a>, 734 <a href="https://svn.boost.org/trac/boost/ticket/9107" target="_top">#9107</a>, 735 <a href="https://svn.boost.org/trac/boost/ticket/9109" target="_top">#9109</a>.. 736 </li> 737<li class="listitem"> 738 Fixed PGI compilation issue <a href="https://svn.boost.org/trac/boost/ticket/8333" target="_top">#8333</a>. 739 </li> 740<li class="listitem"> 741 Fixed PGI constant value initialization issue that caused erf to generate 742 incorrect results <a href="https://svn.boost.org/trac/boost/ticket/8621" target="_top">#8621</a>. 743 </li> 744<li class="listitem"> 745 Prevent macro expansion of some C99 macros that are also C++ functions 746 <a href="https://svn.boost.org/trac/boost/ticket/8732" target="_top">#8732</a> 747 and <a href="https://svn.boost.org/trac/boost/ticket/8733" target="_top">#8733</a>.. 748 </li> 749<li class="listitem"> 750 Fixed Student's T distribution to behave correctly with huge degrees of 751 freedom (larger than the largest representable integer) <a href="https://svn.boost.org/trac/boost/ticket/8837" target="_top">#8837</a>. 752 </li> 753<li class="listitem"> 754 Make some core functions usable with <code class="computeroutput"><span class="keyword">long</span> 755 <span class="keyword">double</span></code> even when the platform has 756 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>. 757 </li> 758<li class="listitem"> 759 Fix error handling of distributions to catch invalid scale and location 760 parameters when the random variable is infinite <a href="https://svn.boost.org/trac/boost/ticket/9042" target="_top">#9042</a> 761 and <a href="https://svn.boost.org/trac/boost/ticket/9126" target="_top">#9126</a>. 762 </li> 763<li class="listitem"> 764 Add workaround for broken <tuple> in Intel C++ 14 <a href="https://svn.boost.org/trac/boost/ticket/9087" target="_top">#9087</a>. 765 </li> 766<li class="listitem"> 767 Improve consistency of argument reduction in the elliptic integrals <a href="https://svn.boost.org/trac/boost/ticket/9104" target="_top">#9104</a>. 768 </li> 769<li class="listitem"> 770 Fix bug in inverse incomplete beta that results in cancellation errors 771 when the beta function is really an arcsine or Student's T distribution. 772 </li> 773<li class="listitem"> 774 Fix issue in Bessel I and K function continued fractions that causes spurious 775 over/underflow. 776 </li> 777<li class="listitem"> 778<p class="simpara"> 779 Add improvement to non-central chi squared distribution quantile due to 780 Thomas Luu, <a href="http://discovery.ucl.ac.uk/1482128/" target="_top">Fast and accurate 781 parallel computation of quantile functions for random number generation, 782 Doctoral Thesis 2016</a>. <a href="http://discovery.ucl.ac.uk/1463470/" target="_top">Efficient 783 and Accurate Parallel Inversion of the Gamma Distribution, Thomas Luu</a> 784 </p> 785<h5> 786<a name="math_toolkit.history2.h20"></a> 787 <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> 788 </h5> 789</li> 790<li class="listitem"> 791 Major reorganization to incorporate other Boost.Math like Integer Utilities 792 Integer Utilities (Greatest Common Divisor and Least Common Multiple), 793 quaternions and octonions. Making new chapter headings. 794 </li> 795<li class="listitem"> 796 Added many references to Boost.Multiprecision and <code class="computeroutput"><span class="identifier">cpp_dec_float_50</span></code> 797 as an example of a User-defined Type (UDT). 798 </li> 799<li class="listitem"> 800 Added Clang to list of supported compilers. 801 </li> 802<li class="listitem"> 803 Fixed constants to use a thread-safe cache of computed values when used 804 at arbitrary precision. 805 </li> 806<li class="listitem"> 807 Added finding zeros of Bessel functions <code class="computeroutput"><span class="identifier">cyl_bessel_j_zero</span></code>, 808 <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 809 Christopher Kormanyos). 810 </li> 811<li class="listitem"> 812 More accuracy improvements to the Bessel J and Y functions from Rocco Romeo. 813 </li> 814<li class="listitem"> 815 Fixed nasty cyclic dependency bug that caused some headers to not compile 816 <a href="https://svn.boost.org/trac/boost/ticket/7999" target="_top">#7999</a>. 817 </li> 818<li class="listitem"> 819 Fixed bug in <a class="link" href="sf_gamma/tgamma.html" title="Gamma">tgamma</a> 820 that caused spurious overflow for arguments between 142.5 and 143. 821 </li> 822<li class="listitem"> 823 Fixed bug in raise_rounding_error that caused it to return an incorrect 824 result when throwing an exception is turned off <a href="https://svn.boost.org/trac/boost/ticket/7905" target="_top">#7905</a>. 825 </li> 826<li class="listitem"> 827 Added minimal __float128 support. 828 </li> 829<li class="listitem"> 830 Fixed bug in edge-cases of poisson quantile <a href="https://svn.boost.org/trac/boost/ticket/8308" target="_top">#8308</a>. 831 </li> 832<li class="listitem"> 833 Adjusted heuristics used in Halley iteration to cope with inverting the 834 incomplete beta in tricky regions where the derivative is flatlining. Example 835 is computing the quantile of the Fisher F distribution for probabilities 836 smaller than machine epsilon. See ticket <a href="https://svn.boost.org/trac/boost/ticket/8314" target="_top">#8314</a>. 837 </li> 838</ul></div> 839<h5> 840<a name="math_toolkit.history2.h21"></a> 841 <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> 842 </h5> 843<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 844<li class="listitem"> 845 Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/7325" target="_top">#7325</a>, 846 <a href="https://svn.boost.org/trac/boost/ticket/7415" target="_top">#7415</a> 847 and <a href="https://svn.boost.org/trac/boost/ticket/7416" target="_top">#7416</a>, 848 <a href="https://svn.boost.org/trac/boost/ticket/7183" target="_top">#7183</a>, 849 <a href="https://svn.boost.org/trac/boost/ticket/7649" target="_top">#7649</a>, 850 <a href="https://svn.boost.org/trac/boost/ticket/7694" target="_top">#7694</a>, 851 <a href="https://svn.boost.org/trac/boost/ticket/4445" target="_top">#4445</a>, 852 <a href="https://svn.boost.org/trac/boost/ticket/7492" target="_top">#7492</a>, 853 <a href="https://svn.boost.org/trac/boost/ticket/7891" target="_top">#7891</a>, 854 <a href="https://svn.boost.org/trac/boost/ticket/7429" target="_top">#7429</a>. 855 </li> 856<li class="listitem"> 857 Fixed mistake in calculating pooled standard deviation in two-sample students 858 t example <a href="https://svn.boost.org/trac/boost/ticket/7402" target="_top">#7402</a>. 859 </li> 860<li class="listitem"> 861 Improve complex acos/asin/atan, see <a href="https://svn.boost.org/trac/boost/ticket/7290" target="_top">#7290</a>, 862 <a href="https://svn.boost.org/trac/boost/ticket/7291" target="_top">#7291</a>. 863 </li> 864<li class="listitem"> 865 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> 866 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> 867 thanks to suggestions from Rocco Romeo. 868 </li> 869<li class="listitem"> 870 Improve accuracy of Bessel J and Y for integer orders thanks to suggestions 871 from Rocco Romeo. 872 </li> 873</ul></div> 874<h5> 875<a name="math_toolkit.history2.h22"></a> 876 <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> 877 </h5> 878<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 879<li class="listitem"> 880 Corrected moments for small degrees of freedom <a href="https://svn.boost.org/trac/boost/ticket/7177" target="_top">#7177</a> 881 (reported by Thomas Mang). 882 </li> 883<li class="listitem"> 884 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>. 885 </li> 886<li class="listitem"> 887 Corrected failure to detect bad parameters in many distributions <a href="https://svn.boost.org/trac/boost/ticket/6934" target="_top">#6934</a> (reported 888 by Florian Schoppmann) by adding a function check_out_of_range to test 889 many possible bad parameters. This test revealed several distributions 890 where the checks for bad parameters were ineffective, and these have been 891 rectified. 892 </li> 893<li class="listitem"> 894 Fixed issue in Hankel functions that causes incorrect values to be returned 895 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>. 896 </li> 897<li class="listitem"> 898 Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/6517" target="_top">#6517</a>, 899 <a href="https://svn.boost.org/trac/boost/ticket/6362" target="_top">#6362</a>, 900 <a href="https://svn.boost.org/trac/boost/ticket/7053" target="_top">#7053</a>, 901 <a href="https://svn.boost.org/trac/boost/ticket/2693" target="_top">#2693</a>, 902 <a href="https://svn.boost.org/trac/boost/ticket/6937" target="_top">#6937</a>, 903 <a href="https://svn.boost.org/trac/boost/ticket/7099" target="_top">#7099</a>. 904 </li> 905<li class="listitem"> 906 Permitted infinite degrees of freedom <a href="https://svn.boost.org/trac/boost/ticket/7259" target="_top">#7259</a> 907 implemented using the normal distribution (requested by Thomas Mang). 908 </li> 909<li class="listitem"> 910 Much enhanced accuracy for large degrees of freedom ν and/or large non-centrality 911 δ 912by switching to use the Students t distribution (or Normal distribution 913 for infinite degrees of freedom) centered at delta, when δ / (4 * ν) < 914 epsilon for the floating-point type in use. <a href="https://svn.boost.org/trac/boost/ticket/7259" target="_top">#7259</a>. 915 It was found that the incomplete beta was suffering from serious cancellation 916 errors when degrees of freedom was very large. (That has now been fixed 917 in our code, but any code based on Didonato and Morris's original papers 918 (probably every implementation out there actually) will have the same issue). 919 </li> 920</ul></div> 921<h5> 922<a name="math_toolkit.history2.h23"></a> 923 <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> 924 </h5> 925<p> 926 See Boost-1.52 - some items were added but not listed in time for the release. 927 </p> 928<h5> 929<a name="math_toolkit.history2.h24"></a> 930 <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> 931 </h5> 932<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 933<li class="listitem"> 934 Promoted math constants to be 1st class citizens, including convenient 935 access to the most widely used built-in float, double, long double via 936 three namespaces. 937 </li> 938<li class="listitem"> 939 Added the Owen's T function and Skew Normal distribution written by Benjamin 940 Sobotta: see <a class="link" href="owens_t.html" title="Owen's T function">Owens T</a> and skew_normal_distrib. 941 </li> 942<li class="listitem"> 943 Added Hankel functions <a class="link" href="hankel/cyl_hankel.html" title="Cyclic Hankel Functions">cyl_hankel_1</a>, 944 <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>. 945 </li> 946<li class="listitem"> 947 Corrected issue <a href="https://svn.boost.org/trac/boost/ticket/6627" target="_top">#6627 948 nonfinite_num_put formatting of 0.0 is incorrect</a> based on a patch 949 submitted by K R Walker. 950 </li> 951<li class="listitem"> 952 Changed constant initialization mechanism so that it is thread safe even 953 for user-defined types, also so that user defined types get the full precision 954 of the constant, even when <code class="computeroutput"><span class="keyword">long</span> 955 <span class="keyword">double</span></code> does not. So for example 956 128-bit rational approximations will work with UDT's and do the right thing, 957 even though <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code> 958 may be only 64 or 80 bits. 959 </li> 960<li class="listitem"> 961 Fixed issue in <code class="computeroutput"><span class="identifier">bessel_jy</span></code> 962 which causes Y<sub>8.5</sub>(4π) to yield a NaN. 963 </li> 964</ul></div> 965<h5> 966<a name="math_toolkit.history2.h25"></a> 967 <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> 968 </h5> 969<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 970<li class="listitem"> 971 Deprecated wrongly named <code class="computeroutput"><span class="identifier">twothirds</span></code> 972 math constant in favour of <code class="computeroutput"><span class="identifier">two_thirds</span></code> 973 (with underscore separator). (issue <a href="https://svn.boost.org/trac/boost/ticket/6199" target="_top">#6199</a>). 974 </li> 975<li class="listitem"> 976 Refactored test data and some special function code to improve support 977 for arbitrary precision and/or expression-template-enabled types. 978 </li> 979<li class="listitem"> 980 Added new faster zeta function evaluation method. 981 </li> 982</ul></div> 983<p> 984 Fixed issues: 985 </p> 986<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 987<li class="listitem"> 988 Corrected CDF complement for Laplace distribution (issue <a href="https://svn.boost.org/trac/boost/ticket/6151" target="_top">#6151</a>). 989 </li> 990<li class="listitem"> 991 Corrected branch cuts on the complex inverse trig functions, to handle 992 signed zeros (issue <a href="https://svn.boost.org/trac/boost/ticket/6171" target="_top">#6171</a>). 993 </li> 994<li class="listitem"> 995 Fixed bug in <code class="computeroutput"><span class="identifier">bessel_yn</span></code> 996 which caused incorrect overflow errors to be raised for negative <span class="emphasis"><em>n</em></span> 997 (issue <a href="https://svn.boost.org/trac/boost/ticket/6367" target="_top">#6367</a>). 998 </li> 999<li class="listitem"> 1000 Also fixed minor/cosmetic/configuration issues <a href="https://svn.boost.org/trac/boost/ticket/6120" target="_top">#6120</a>, 1001 <a href="https://svn.boost.org/trac/boost/ticket/6191" target="_top">#6191</a>, 1002 <a href="https://svn.boost.org/trac/boost/ticket/5982" target="_top">#5982</a>, 1003 <a href="https://svn.boost.org/trac/boost/ticket/6130" target="_top">#6130</a>, 1004 <a href="https://svn.boost.org/trac/boost/ticket/6234" target="_top">#6234</a>, 1005 <a href="https://svn.boost.org/trac/boost/ticket/6307" target="_top">#6307</a>, 1006 <a href="https://svn.boost.org/trac/boost/ticket/6192" target="_top">#6192</a>. 1007 </li> 1008</ul></div> 1009<h5> 1010<a name="math_toolkit.history2.h26"></a> 1011 <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> 1012 </h5> 1013<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1014<li class="listitem"> 1015 Added new series evaluation methods to the cyclic Bessel I, J, K and Y 1016 functions. Also taken great care to avoid spurious over and underflow of 1017 these functions. Fixes issue <a href="https://svn.boost.org/trac/boost/ticket/5560" target="_top">#5560</a> 1018 </li> 1019<li class="listitem"> 1020 Added an example of using Inverse Chi-Squared distribution for Bayesian 1021 statistics, provided by Thomas Mang. 1022 </li> 1023<li class="listitem"> 1024 Added tests to use improved version of lexical_cast which handles C99 nonfinites 1025 without using globale facets. 1026 </li> 1027<li class="listitem"> 1028 Corrected wrong out-of-bound uniform distribution CDF complement values 1029 <a href="https://svn.boost.org/trac/boost/ticket/5733" target="_top">#5733</a>. 1030 </li> 1031<li class="listitem"> 1032 Enabled long double support on OpenBSD (issue <a href="https://svn.boost.org/trac/boost/ticket/6014" target="_top">#6014</a>). 1033 </li> 1034<li class="listitem"> 1035 Changed nextafter and related functions to behave in the same way as other 1036 implementations - so that nextafter(+INF, 0) is a finite value (issue 1037 <a href="https://svn.boost.org/trac/boost/ticket/5823" target="_top">#5832</a>). 1038 </li> 1039<li class="listitem"> 1040 Changed tuple include configuration to fix issue when using in conjunction 1041 with Boost.Tr1 (issue <a href="https://svn.boost.org/trac/boost/ticket/5934" target="_top">#5934</a>). 1042 </li> 1043<li class="listitem"> 1044 Changed class eps_tolerance to behave correctly when both ends of the range 1045 are zero (issue <a href="https://svn.boost.org/trac/boost/ticket/6001" target="_top">#6001</a>). 1046 </li> 1047<li class="listitem"> 1048 Fixed missing include guards on prime.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5927" target="_top">#5927</a>). 1049 </li> 1050<li class="listitem"> 1051 Removed unused/undocumented constants from constants.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5982" target="_top">#5982</a>). 1052 </li> 1053<li class="listitem"> 1054 Fixed missing std:: prefix in nonfinite_num_facets.hpp (issue <a href="https://svn.boost.org/trac/boost/ticket/5914" target="_top">#5914</a>). 1055 </li> 1056<li class="listitem"> 1057 Minor patches for Cray compiler compatibility. 1058 </li> 1059</ul></div> 1060<h5> 1061<a name="math_toolkit.history2.h27"></a> 1062 <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> 1063 </h5> 1064<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1065<li class="listitem"> 1066 Added changesign function to sign.hpp to facilitate addition of nonfinite 1067 facets. 1068 </li> 1069<li class="listitem"> 1070 Addition of nonfinite facets from Johan Rade, with tests, examples of use 1071 for C99 format infinity and NaN, and documentation. 1072 </li> 1073<li class="listitem"> 1074 Added tests and documentation of changesign from Johan Rade. 1075 </li> 1076</ul></div> 1077<h5> 1078<a name="math_toolkit.history2.h28"></a> 1079 <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> 1080 </h5> 1081<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 1082 Fixed issues <a href="https://svn.boost.org/trac/boost/ticket/5095" target="_top">#5095</a>, 1083 <a href="https://svn.boost.org/trac/boost/ticket/5095" target="_top">#5113</a>. 1084 </li></ul></div> 1085<h5> 1086<a name="math_toolkit.history2.h29"></a> 1087 <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> 1088 </h5> 1089<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1090<li class="listitem"> 1091 Added Wald, Inverse Gaussian and geometric distributions. 1092 </li> 1093<li class="listitem"> 1094 Added information about configuration macros. 1095 </li> 1096<li class="listitem"> 1097 Added support for mpreal as a real-numbered type. 1098 </li> 1099</ul></div> 1100<h5> 1101<a name="math_toolkit.history2.h30"></a> 1102 <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> 1103 </h5> 1104<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1105<li class="listitem"> 1106 Added warnings about potential ambiguity with std random library in distribution 1107 and function names. 1108 </li> 1109<li class="listitem"> 1110 Added inverse gamma distribution and inverse chi_square and scaled inverse 1111 chi_square. 1112 </li> 1113<li class="listitem"> 1114 Editorial revision of documentation, and added FAQ. 1115 </li> 1116</ul></div> 1117<h5> 1118<a name="math_toolkit.history2.h31"></a> 1119 <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> 1120 </h5> 1121<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1122<li class="listitem"> 1123 Fixed incorrect range and support for Rayleigh distribution. 1124 </li> 1125<li class="listitem"> 1126 Fixed numerical error in the quantile of the Student's T distribution: 1127 the function was returning garbage values for non-integer degrees of freedom 1128 between 2 and 3. 1129 </li> 1130</ul></div> 1131<h5> 1132<a name="math_toolkit.history2.h32"></a> 1133 <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> 1134 </h5> 1135<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 1136 Significantly improved performance for the incomplete gamma function and 1137 its inverse. 1138 </li></ul></div> 1139<h5> 1140<a name="math_toolkit.history2.h33"></a> 1141 <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> 1142 </h5> 1143<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1144<li class="listitem"> 1145 Added support for MPFR as a bignum type. 1146 </li> 1147<li class="listitem"> 1148 Added some full specializations of the policy classes to reduce compile 1149 times. 1150 </li> 1151<li class="listitem"> 1152 Added logistic and hypergeometric distributions, from Gautam Sewani's Google 1153 Summer of Code project. 1154 </li> 1155<li class="listitem"> 1156 Added Laplace distribution submitted by Thijs van den Berg. 1157 </li> 1158<li class="listitem"> 1159 Updated performance test code to include new distributions, and improved 1160 the performance of the non-central distributions. 1161 </li> 1162<li class="listitem"> 1163 Added SSE2 optimised <a class="link" href="lanczos.html" title="The Lanczos Approximation">Lanczos approximation</a> 1164 code, from Gautam Sewani's Google Summer of Code project. 1165 </li> 1166<li class="listitem"> 1167 Fixed bug in cyl_bessel_i that used an incorrect approximation for ν = 0.5, 1168 also effects the non-central Chi Square Distribution when ν = 3, see bug 1169 report <a href="https://svn.boost.org/trac/boost/ticket/2877" target="_top">#2877</a>. 1170 </li> 1171<li class="listitem"> 1172 Fixed minor bugs <a href="https://svn.boost.org/trac/boost/ticket/2873" target="_top">#2873</a>. 1173 </li> 1174</ul></div> 1175<h5> 1176<a name="math_toolkit.history2.h34"></a> 1177 <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> 1178 </h5> 1179<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1180<li class="listitem"> 1181 Added Johan Råde's optimised floating point classification routines. 1182 </li> 1183<li class="listitem"> 1184 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>). 1185 </li> 1186</ul></div> 1187<h5> 1188<a name="math_toolkit.history2.h35"></a> 1189 <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> 1190 </h5> 1191<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 1192 Improved accuracy and testing of the inverse hypergeometric functions. 1193 </li></ul></div> 1194<h5> 1195<a name="math_toolkit.history2.h36"></a> 1196 <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> 1197 </h5> 1198<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1199<li class="listitem"> 1200 Added Noncentral Chi Squared Distribution. 1201 </li> 1202<li class="listitem"> 1203 Added Noncentral Beta Distribution. 1204 </li> 1205<li class="listitem"> 1206 Added Noncentral F Distribution. 1207 </li> 1208<li class="listitem"> 1209 Added Noncentral T Distribution. 1210 </li> 1211<li class="listitem"> 1212 Added Exponential Integral Functions. 1213 </li> 1214<li class="listitem"> 1215 Added Zeta Function. 1216 </li> 1217<li class="listitem"> 1218 Added Rounding and Truncation functions. 1219 </li> 1220<li class="listitem"> 1221 Added Compile time powers of runtime bases. 1222 </li> 1223<li class="listitem"> 1224 Added SSE2 optimizations for Lanczos evaluation. 1225 </li> 1226</ul></div> 1227<h5> 1228<a name="math_toolkit.history2.h37"></a> 1229 <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: 1230 Post Review First Official Release</a> 1231 </h5> 1232<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1233<li class="listitem"> 1234 Added Policy based framework that allows fine grained control over function 1235 behaviour. 1236 </li> 1237<li class="listitem"> 1238 <span class="bold"><strong>Breaking change:</strong></span> Changed default behaviour 1239 for domain, pole and overflow errors to throw an exception (based on review 1240 feedback), this behaviour can be customised using <a class="link" href="../policy.html" title="Chapter 21. Policies: Controlling Precision, Error Handling etc">Policy</a>'s. 1241 </li> 1242<li class="listitem"> 1243 <span class="bold"><strong>Breaking change:</strong></span> Changed exception thrown 1244 when an internal evaluation error occurs to boost::math::evaluation_error. 1245 </li> 1246<li class="listitem"> 1247 <span class="bold"><strong>Breaking change:</strong></span> Changed discrete quantiles 1248 to return an integer result: this is anything up to 20 times faster than 1249 finding the true root, this behaviour can be customised using <a class="link" href="../policy.html" title="Chapter 21. Policies: Controlling Precision, Error Handling etc">Policy</a>'s. 1250 </li> 1251<li class="listitem"> 1252 Polynomial/rational function evaluation is now customisable and hopefully 1253 faster than before. 1254 </li> 1255<li class="listitem"> 1256 Added performance test program. 1257 </li> 1258</ul></div> 1259<h5> 1260<a name="math_toolkit.history2.h38"></a> 1261 <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 1262 4: Second Review Candidate (1st March 2007)</a> 1263 </h5> 1264<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1265<li class="listitem"> 1266 Moved Xiaogang Zhang's Bessel Functions code into the library, and brought 1267 them into line with the rest of the code. 1268 </li> 1269<li class="listitem"> 1270 Added C# "Distribution Explorer" demo application. 1271 </li> 1272</ul></div> 1273<h5> 1274<a name="math_toolkit.history2.h39"></a> 1275 <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 1276 3: First Review Candidate (31st Dec 2006)</a> 1277 </h5> 1278<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1279<li class="listitem"> 1280 Implemented the main probability distribution and density functions. 1281 </li> 1282<li class="listitem"> 1283 Implemented digamma. 1284 </li> 1285<li class="listitem"> 1286 Added more factorial functions. 1287 </li> 1288<li class="listitem"> 1289 Implemented the Hermite, Legendre and Laguerre polynomials plus the spherical 1290 harmonic functions from TR1. 1291 </li> 1292<li class="listitem"> 1293 Moved Xiaogang Zhang's elliptic integral code into the library, and brought 1294 them into line with the rest of the code. 1295 </li> 1296<li class="listitem"> 1297 Moved Hubert Holin's existing Boost.Math special functions into this library 1298 and brought them into line with the rest of the code. 1299 </li> 1300</ul></div> 1301<h5> 1302<a name="math_toolkit.history2.h40"></a> 1303 <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 1304 2: Released September 10th 2006</a> 1305 </h5> 1306<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1307<li class="listitem"> 1308 Implement preview release of the statistical distributions. 1309 </li> 1310<li class="listitem"> 1311 Added statistical distributions tutorial. 1312 </li> 1313<li class="listitem"> 1314 Implemented root finding algorithms. 1315 </li> 1316<li class="listitem"> 1317 Implemented the inverses of the incomplete gamma and beta functions. 1318 </li> 1319<li class="listitem"> 1320 Rewrite erf/erfc as rational approximations (valid to 128-bit precision). 1321 </li> 1322<li class="listitem"> 1323 Integrated the statistical results generated from the test data with Boost.Test: 1324 uses a database of expected results, indexed by test, floating point type, 1325 platform, and compiler. 1326 </li> 1327<li class="listitem"> 1328 Improved lgamma near 1 and 2 (rational approximations). 1329 </li> 1330<li class="listitem"> 1331 Improved erf/erfc inverses (rational approximations). 1332 </li> 1333<li class="listitem"> 1334 Implemented Rational function generation (the Remez method). 1335 </li> 1336</ul></div> 1337<h5> 1338<a name="math_toolkit.history2.h41"></a> 1339 <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 1340 1: Released March 31st 2006</a> 1341 </h5> 1342<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 1343<li class="listitem"> 1344 Implement gamma/beta/erf functions along with their incomplete counterparts. 1345 </li> 1346<li class="listitem"> 1347 Generate high quality test data, against which future improvements can 1348 be judged. 1349 </li> 1350<li class="listitem"> 1351 Provide tools for the evaluation of infinite series, continued fractions, 1352 and rational functions. 1353 </li> 1354<li class="listitem"> 1355 Provide tools for testing against tabulated test data, and collecting statistics 1356 on error rates. 1357 </li> 1358<li class="listitem"> 1359 Provide sufficient docs for people to be able to find their way around 1360 the library. 1361 </li> 1362</ul></div> 1363<p> 1364 SVN Revisions: 1365 </p> 1366<p> 1367 Sandbox and trunk last synchonised at revision: . 1368 </p> 1369</div> 1370<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 1371<td align="left"></td> 1372<td align="right"><div class="copyright-footer">Copyright © 2006-2019 Nikhar 1373 Agrawal, Anton Bikineev, Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, 1374 Hubert Holin, Bruno Lalande, John Maddock, Jeremy Murphy, Matthew Pulver, Johan 1375 Råde, Gautam Sewani, Benjamin Sobotta, Nicholas Thompson, Thijs van den Berg, 1376 Daryle Walker and Xiaogang Zhang<p> 1377 Distributed under the Boost Software License, Version 1.0. (See accompanying 1378 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>) 1379 </p> 1380</div></td> 1381</tr></table> 1382<hr> 1383<div class="spirit-nav"> 1384<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> 1385</div> 1386</body> 1387</html> 1388
