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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Do not edit this autogenerated HTML file; edit src/xdocs files instead. --><html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><style type="text/css"> @import url("style.css"); </style><title>Colt - Changelog</title><meta content="Wolfgang Hoschek" name="author"><meta content="whoschek.AT.lbl.DOT.gov" name="email"></head><body vlink="#525D76" alink="#525D76" link="#525D76" text="#000000" bgcolor="#ffffff"><!--HEADER--><table bgcolor="#ffffff" cellspacing="0" width="100%" border="0"><tr><td align="left" width="33%"> <a href="http://dsd.lbl.gov/~hoschek/colt"> <img src="images/colt-logo.gif" border="0" width="160" height="100" alt=""> </a> </td><td align="center" width="33%"> <img src="images/colt-title.jpg" alt=""> </td><td align="right" width="33%"> <a href="http://www.cern.ch"> <img src="images/cern-logo.gif" border="0" alt=""> </a> </td></tr></table><!--TOP LINK MENU NAVIGATION--><div class="link"><table cellspacing="0" cellpadding="0" width="100%" border="0"><tr valign="baseline"><td align="left"><a href="http://dsd.lbl.gov/~hoschek/colt" title="Click to jump to Colt"><font color="#3366ff">Colt</font></a><a href="http://dsd.lbl.gov/sea/" title="Click to jump to Sea"><font color="#3366ff">Sea</font></a><a href="http://dsd.lbl.gov/firefish" title="Click to jump to Firefish"><font color="#3366ff">Firefish</font></a></td><td align="right"> Version 1.2.0 - Last published Sep 9, 2004</td></tr></table></div><table cellspacing="4" width="100%" border="0"><tr><!--LEFT SIDE NAVIGATION--><td class="leftcol" nowrap="nowrap" align="left" valign="top"><div class="frame item"><div class="name">Software</div><div class="content"><a href="./index.html">Home</a><a href="http://dsd.lbl.gov/~hoschek/colt-download">Download</a><a href="./install.html">Installation</a><a href="./readme.html">Readme</a><a href="./mailing.html">Mailing List</a><a href="./changelog.html">Changelog</a></div></div><div class="frame item"><div class="name">Development</div><div class="content"><a href="./dependencies.html">Dependencies</a><a href="./api/index.html">Javadoc API</a><a href="./license.html">License</a></div></div><div class="frame item"><div class="name">Search</div><div class="content"><form method="get" action="http://www.google.com/search"><input name="as_sitesearch" type="hidden" value="dsd.lbl.gov"><input name="as_q" maxLength="256" size="13" value="" type="text"></form></div></div></td><!--LEFT SIDE SUBNAVIGATION--><!--RIGHT SIDE MAIN BODY--><td valign="top" align="left"><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.2.0 (Sep 10, 2004)"><strong>Version 1.2.0 (Sep 10, 2004)</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>Removed com.isml.math.* package (If you need Complex numbers, download and use <a href="http://jakarta.apache.org/commons/math/userguide/complex.html"> Jakarta Commons Math</a> instead)</li> <li>Documentation is now auto generated</li> <li>Fixed Algebra.normInfinity(DoubleMatrix1D x) (T.J.Hunt@open.ac.uk)</li> <li>Upgraded package util.concurrent from version 1.3.2 to 1.3.4 (package name edu.oswego... becomes EDU.oswego...)</li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.1.0 (Oct 29, 2003)"><strong>Version 1.1.0 (Oct 29, 2003)</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>This version breaks the <a href="ibm-1.4.1-2xpentium4-2.8GHz.txt"> 1.9 Gflop/s barrier</a> on JDK ibm-1.4.1, RedHat 9.0, 2x IntelXeon@2.8 GHz.</li> <li>Redesigned documentation and web site</li> <li>Moved build system to ANT</li> <li>Upgraded package util.concurrent from version 1.3.1 to 1.3.2, which is now a separate jar</li> <li>Upgraded package corejava to corejava-2002-11-16, which is now licensed under LGPL.</li> <li>Removed packages ViolinStrings, edu.cornell.lassp.houle.RngPack, jal.*</li> <li>Colt now requires jdk 1.2.x</li> <li>Fixed covariance bug in cern.jet.stat.Descriptive (scott white "scottw@eml.cc")</li> <li>Fixed bug in cern.jet.random.Normal.nextDouble in combination with setState() (nick.collier@verizon.net)</li> <li>Fixed bug in cern.jet.stat.quantile.EquiDepthHistogram (Brett Neumeier random@rnd.cx)</li> <li>RCDoubleMatrix2D was unnecessarily restricted in shape (double)columns*rows <= Integer.MAX_VALUE). Is now only limited by nonZeroes <= Integer.MAX_VALUE</li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.0.3 (Nov 22, 2002)"><strong>Version 1.0.3 (Nov 22, 2002)</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>This version breaks the <a href="ibm-1.4.1-2xpentium4-2.2GHz.txt"> 1.3 Gflop barrier</a> on JDK ibm-1.4.1, RedHat 8.0, 2x Pentium4@2.2 GHz.</li> <li>Upgraded package util.concurrent from version 1.3.0 to 1.3.1</li> <li>Fixed bug in cern.jet.random.Uniform.nextInt (jan.cheyns@intec.rug.ac.be)</li> <li>Fixed small bug in cern.colt.Partitioning and cern.colt.matrix.doublealgo.Partitioning</li> <li>Fixed Poisson.staticNextInt()</li> <li>Fixed infinite loop in Logarithmic.nextDouble() for some parameter combinations</li> <li>Fix for CholeskyDecomposition.solve (MG Ferreira "mgf@webmail.co.za")</li> <li>cern.jet.stat.quantile.QuantileFinderFactory should ignore N if if known_N is false.</li> <li>class PrintFormat is unreliable - do not use it. matrix print formatting is now reverted back to use corejava.Format instead.</li> <li> MersenneTwister had a <a target="_top" href="http://www.math.keio.ac.jp/matumoto/emt.html">small problem</a>, which is now fixed with Matsumotos code from 2002/1/26. </li> <li>cern.jet.stat.Probability.studentT and cern.jet.random.StudentT were only defined for values >= 0</li> <li>cern.colt.bitvector.BitVector.replaceFromToWith(int from, int to, boolean value) treated leading partial unit incorrectly (Olivier Janssens "oj@adhoc.be") </li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.0.2 (Nov 08, 2001)"><strong>Version 1.0.2 (Nov 08, 2001)</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>Added GenericSorting.mergeSort for "stable" in-place sorting of arbitrary shaped data</li> <li>Upgraded the ViolinStrings package to V1.0. Michael Schmeling reports that two split methods which were contributed by Eric Jablow have been added and some minor documentation bugs have been fixed.</li> <li>Upgraded package util.concurrent from version 1.2.5 to 1.3.0</li> <li> Added 2d matrix versions of daxpy(), dcopy(), dscal(), dswap() to Blas, SeqBlas, SmpBlas (Martin.Schimschak@dresdner-bank.com)</li> <li>MersenneTwister now also allows zero seed (Martin.Schimschak@dresdner-bank.com)</li> <li>Fix for serious SparseDoubleMatrix2D and Open<type>Map performance degradation</li> <li>RCDoubleMatrix2D.assign(otherMatrix) got faster</li> <li>RCDoubleMatrix2D.assign(double) got faster</li> <li>DenseDoubleMatrix{1,2,3}D.assign(double) got faster</li> <li>DenseDoubleMatrix2D.zMult got a bit faster for very large problem sizes</li> <li>Algebra.normInfinity(DoubleMatrix1D x) and Algebra.normInfinity(DoubleMatrix2D A) were incorrect (Martin.Schimschak@dresdner-bank.com)</li> <li>SeqBlas.dger() and SeqBlas.dtrmv() were incorrect (Martin.Schimschak@dresdner-bank.com)</li> <li>ObjectArrayList.toList() threw IndexOutOfBoundsException</li> <li>RCDoubleMatrix2D was unnecessarily restricted in shape (double)columns*rows <= Integer.MAX_VALUE). Is now only limited by nonZeroes <= Integer.MAX_VALUE</li> <li>cern.colt.matrix.linalg.Property.equals(..) gave wrong results when comparing exotic special cases NaN, inf, -inf.</li> <li>cern.colt.matrix.doublealgo.Sorting was not NaN aware. In compliance with the JDK sorts, it now swaps NaNs to the end.</li> <li>Property.isIdentity bug fix</li> <li>Polynomial.p1evl javadoc was misleading</li> <li>Added matrix mergesorts. Matrix quicksorts alone were not enough, because matrices are frequently sorted successively by multiple columns. In order to preserve the relative order of equal elements a so-called "stable" sort was needed. Mergesort is such a thing. <blockquote> <p>To enable this, some minor changes were necessary. Please update your source code as follows</p> <table width="75%" border="1" cellspacing="0"> <tr valign="top"> <td valign="top" class="table row"><b>Old style</b></td> <td valign="top" class="table row"><b>New style</b></td> </tr> <tr valign="top"> <td valign="top" class="table row"><tt>cern.colt.matrix.doublealgo.Sorting.quickSort(...)</tt></td> <td valign="top" class="table row"> <p><tt>cern.colt.matrix.doublealgo.Sorting.quickSort.sort(...)</tt> or <tt>cern.colt.matrix.doublealgo.Sorting.mergeSort.sort(...)</tt></p> </td> </tr> </table> </blockquote> </li> <li>matrix.viewSorted(...) methods now use mergesort instead of quicksort.</li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.0.1 (May 15, 2000)"><strong>Version 1.0.1 (May 15, 2000)</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>New blocked algorithm improved performance of out-of-cache matrix-matrix and matrix-vector mult (Blas.dgemm and dgemv).</li> <li>Added parallel implementations of assign(function) to the BLAS (Basic Linear Algebra System). See <tt>cern.colt.matrix.linalg</tt>.</li> <li>Fixed a bad bug in GenericPermuting. This one caused incorrect results to LU solving.</li> <li>SmpBlas.dgemm and dgemv threw exceptions when asking for transpositions.</li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.0.0"><strong>Version 1.0.0</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>Powerful, extendible and performant histogram abstractions, improving ways for the statistical study of experimental data. </li> <li>Matrix functionality and performance improvements</li> <li>Sequential and parallel implementations of the BLAS (Basic Linear Algebra System). See <tt>cern.colt.matrix.linalg</tt>.</li> <li>Sparse row compressed matrix implementation - <tt>RCDoubleMatrix2D</tt></li> <li>Major performance improvements for many matrix operations, in particular optimizations detecting function objects for scaling (+,-,*,/, ...), delegating to optimized internal implementations</li> <li>For performance added generalized matrix-matrix and matrix-vector mult: <tt>C = alpha*A*B + beta*C </tt>and <tt>z = alpha*A*y + beta*z</tt> with or without transpositions</li> <li>Added the long awaited histogram packages <tt>hep.aida </tt>, <tt>hep.aida.ref</tt> and <tt>hep.aida.bin</tt>. The stable bins formerly found in cern.jet.histo have been moved to hep.aida.bin and cern.jet.histo has been dropped. </li> <li>Added histogram and OLAP cube operators to <tt>cern.colt.matrix.doublealgo.Statistic</tt>.</li> <li>Added sampling views to cern.colt.matrix.doublealgo.Statistic </li> <li>Efficient matrix quicksort using precomputation; added to <tt>cern.colt.matrix.doublealgo.Sorting</tt></li> <li>Stencil methods for finite difference operations in <tt>cern.colt.matrix.doublealgo.Stencil</tt></li> <li>DoubleMatrix1D.getNonZeros(IntArrayList indexList, DoubleArrayList valueList, int maxCardinality) had a bug, hence Algebra.inverse sometimes produced wrong answers. </li> <li>QRDecomposition</li> <li>matrix.viewStrides() sometimes gave wrong shape</li> <li>matrix.zMult(...) sometimes threw ArrayIndexOutOfBoundsExceptions</li> <li>DynamicBin1D.max() sometimes gave wrong answer -infinity</li> <li>Distance matrix in cern.colt.matrix.doublealgo.Statistic now works on user defined distance functions</li> <li>Moved cern.colt.matrix.DoubleTransform to cern.colt.matrix.doublealgo.Transform (sorry) </li> </ul> </blockquote></td></tr></table><table width="100%" cellpadding="2" cellspacing="0" border="0"><tr><td bgcolor="#525D76"><font face="arial,helvetica.sanserif" color="#ffffff"><a name="Version 1.0 Beta4"><strong>Version 1.0 Beta4</strong></a></font></td></tr><tr><td><blockquote> <ul> <li>Renamed to lower case: EDU.oswego.cs.dl.util.concurrent --> edu.oswego.cs.dl.util.concurrent (resolves collisions of multiple edu packages)</li> <li>cern.colt.matrix.linalg.Algebra.trace() now returns a double.</li> <li>Improved build process (makefile)</li> <li>package cern.colt.matrix - bug fixes and performance improvements</li> <li>Stronger separation of matrix interfaces and matrix implementations: <ul> <li>the implementations of matrix data structures moved from package cern.colt.matrix to package cern.colt.matrix.imp</li> <li>matrix factories moved from cern.colt.matrix.algo to cern.colt.matrix</li> </ul> </li> <li>Formatter objects - Matrix formatting much extended and now also possible using java.lang.Double.toString(double)</li> <li>Moved cern.jet.math.Unit and cern.jet.math.PhysicalConstants to cern.clhep </li> <li>Uniform.nextDouble() now returns a value between min and max, as specified upon instance construction</li> <li> package cern.colt.matrix.linalg - Linear Algebra </li> <li>Additional convenience methods in matrix factories</li> <li>cern.colt.matrix.DoubleTransform: Additional convenience methods for element-by-element transformations</li> <li>Introduced Object matrices</li> <li>A few additional methods in DynamicBin1D related to sampling, bootstrapping, correlation</li> <li>Performance log of compute intensive matrix computations</li> <li>Now also redistributing <tt>util.concurrent</tt> framework - Standardized, efficient utility classes commonly encountered in concurrent programming</li> <li>package cern.clhep - Starting to port CLHEP (C++)</li> </ul> </blockquote></td></tr></table></td><!--RIGHT SIDE NAVIGATION--></tr></table><!--FOOTER SEPARATOR--><hr size="1" noshade="noshade"><!--FOOTER--><table bgcolor="#ffffff" cellspacing="0" width="100%" border="0"><tr><td align="left" width="33%"> </td><td align="center" width="33%"> <font color="#525D76" size="-1"> <em> Copyright © 1999, <a href="http://www.cern.ch/">CERN - European Organization for Nuclear Research</a> </em> </font> </td><td align="right" width="33%"> <a href="http://validator.w3.org/check/referer"><img src="images/valid-html401.png" alt="Valid HTML 4.01!" width="88" height="31" border="0"> </a> <a href="http://jigsaw.w3.org/css-validator/"><img src="images/valid-css.png" alt="Valid CSS!" width="88" height="31" border="0"> </a> </td></tr></table></body></html>
