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2<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Appendix A. FAQ</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"/><link rel="home" href="index.html" title="CBC User Guide"/><link rel="up" href="index.html" title="CBC User Guide"/><link rel="previous" href="ch09.html" title="Chapter 9. &#10;  Messages&#10;  "/><link rel="next" href="apb.html" title="Appendix B. Doxygen"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Appendix A. FAQ</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch09.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="apb.html">Next</a></td></tr></table><hr/></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="id3008960"/>Appendix A. FAQ</h2></div></div><div/></div><div class="qandaset"><table border="0" summary="Q and A Set"><col align="left" width="1%"/><tbody><tr class="question"><td align="left" valign="top"><a id="id3008324"/><a id="id3008983"/><b>Q:. </b></td><td align="left" valign="top"><p>
3  What is <a href="https://projects.coin-or.org/Cbc/wiki/FAQ" target="_top">CBC</a>?
4  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
5  The <a href="http://www.coin-or.org/" target="_top">COIN-OR</a> Branch and Cut code
6  is designed to be a high quality mixed integer code provided under the terms of the
7  <a href="http://opensource.org/licenses/cpl.php" target="_top">Common Public License</a>.
8  CBC is written in C++, and is primarily intended to be used as a callable
9  library (though a rudimentary stand-alone executable exists).
10  The first documented release was .90.0  The current release is version .90.0. (JF 04/01/05)
11  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3009038"/><a id="id3009041"/><b>Q:. </b></td><td align="left" valign="top"><p>
12  What are some of the features of CBC?
13  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
14  CBC allows the use of any CGL cuts and the use of heuristics and
15   specialized branching methods. (JF 04/01/05)
16  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3009977"/><a id="id3009980"/><b>Q:. </b></td><td align="left" valign="top"><p>
17  How do I obtain and install CBC?
18  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
19  Please see the
20  <a href="http://www.coin-or.org/faqs.html" target="_top">COIN-OR FAQ</a>
21  for details on how to
22  <a href="http://www.coin-or.org/faqs.html#ObtainSrcCode" target="_top">obtain</a>
23  and
24  <a href="http://www.coin-or.org/faqs.html#BuildCode" target="_top">install</a>
25  COIN-OR modules. (JF 04/01/05)
26  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3010026"/><a id="id3010029"/><b>Q:. </b></td><td align="left" valign="top"><p>
27  Is CBC reliable?
28  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
29  CBC has been tested on many problems,
30  but more testing and improvement is needed before it can get to version 1.0. (JF 04/01/05)
31  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3010052"/><a id="id3010055"/><b>Q:. </b></td><td align="left" valign="top"><p>
32  Is there any documentation for CBC? 
33  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
34  If you can see this you have the best there is:-)
35  Also available is a list of
36  <a href="http://www.coin-or.org/Doxygen/Cbc/" target="_top">CBC class descriptions</a> generated
37  by <a href="http://www.doxygen.org" target="_top">Doxygen</a>. (JF 04/01/05)
38  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3010093"/><a id="id3010096"/><b>Q:. </b></td><td align="left" valign="top"><p>
39  Is CBC as fast as Cplex or Xpress?
40  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
41   No. However its design is much more flexible so advanced users
42   will be able to tailor CBC to their needs. (JF 04/01/05)
43  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3010119"/><a id="id3010122"/><b>Q:. </b></td><td align="left" valign="top"><p>
44  When will version 1.0 of CBC be available? 
45  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
46  It is expected that version 1.0 will be released in time for the 2005
47  <a href="http://www.informs.org" target="_top">INFORMS</a> annual meeting. (JF 04/01/05)
48  </p></td></tr><tr class="question"><td align="left" valign="top"><a id="id3010153"/><a id="id3010156"/><b>Q:. </b></td><td align="left" valign="top"><p>
49  What can the community do to help?
50  </p></td></tr><tr class="answer"><td align="left" valign="top"><b>A:. </b></td><td align="left" valign="top"><p>
51  People from all around the world are already helping.  There are
52  probably ten people who do not always post to the discussion mail list but are constantly
53  "improving" the code by demanding performance or bug fixes or enhancements.  And there
54  are others posting questions to discussion groups. (JF 04/01/05)
55  </p><p>
56  A good start is to join the coin-discuss
57  <a href="http://www.coin-or.org/mail.html" target="_top">mailing list</a> where CBC is discussed.  Some
58  other possibilities include:
59  </p><div class="itemizedlist"><ul type="disc"><li><p>
60  Comment on the design
61  </p></li><li><p>
62  Give feedback on the documentation and FAQs.
63  </p></li><li><p>
64  Break the code, or better yet -- mend it.
65  </p></li><li><p>
66  Tackle any of the "to-dos" listed in the Doxyen documentation and contribute back to COIN-OR.
67  </p></li></ul></div></td></tr></tbody></table></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch09.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="index.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="apb.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 9. 
68  Messages
69   </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Appendix B. Doxygen</td></tr></table></div></body></html>
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