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<p><a id="X7D2C85EC87DD46E5" name="X7D2C85EC87DD46E5"></a></p>
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<h1>An Interface for using <strong class="pkg">polymake</strong> in <strong class="pkg">GAP</strong></h1>
<p>( Version
0.7.6
)</p>
</div>
<p><b>Marc Roeder
</b>
<br />e-mail: <span class="URL"><a href="mailto:marc_roeder(at)web.de">marc_roeder(at)web.de</a></span>
</p>
<p><b>Address:</b><br />
Marc Roeder, Department of Mathematics, NUI Galway, Irleland</p>
<p><a id="X7AA6C5737B711C89" name="X7AA6C5737B711C89"></a></p>
<h3>Abstract</h3>
<p>This package provides a very basic interface to the polymake program by Ewgenij Gawrilow, Michael Joswig et al. <a href="chapBib.html#biBpolymake">[GJ]</a>. The polymake program itself is not included.</p>
<p><a id="X81488B807F2A1CF1" name="X81488B807F2A1CF1"></a></p>
<h3>Copyright</h3>
<p>© 2007 Marc Roeder.</p>
<p>This package is distributed under the terms of the GNU General Public License version 2 or later (at your convenience). See the file "LICENSE.txt" or <span class="URL"><a href=" http://www.gnu.org/copyleft/gpl.html"> http://www.gnu.org/copyleft/gpl.html</a></span></p>
<p><a id="X82A988D47DFAFCFA" name="X82A988D47DFAFCFA"></a></p>
<h3>Acknowledgements</h3>
<p>This work has been supported by Marie Curie Grant No. MTKD-CT-2006-042685</p>
<p><a id="X8537FEB07AF2BEC8" name="X8537FEB07AF2BEC8"></a></p>
<div class="contents">
<h3>Contents</h3>
<div class="ContChap"><a href="chap1.html#X8794FBB27B46C08E">1. <span class="Heading">Installation and Preface</span></a>
<div class="ContSect"><span class="nocss"> </span><a href="chap1.html#X7A02C64B7A3777FF">1.1 <span class="Heading">A few words about the installation of polymake</span></a>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap1.html#X851C596486F918F0">1.2 <span class="Heading">Setting variables for external programs</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X794A38E981F9E76F">1.2-1 SetPolymakeDataDirectory</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X854645287BC9303E">1.2-2 SetPolymakeCommand</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X862304F37C28FE78">1.2-3 SetPolymakeClientPaths</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X7943B579846BDB76">1.2-4 <span class="Heading">Setting variables permanently</span></a>
</span>
</div>
</div>
<div class="ContChap"><a href="chap2.html#X86C82DCF81362F41">2. <span class="Heading">Polymake interaction</span></a>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X83D426D5855D1FD6">2.1 <span class="Heading">Creating Polymake Objects</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7C87B1807E036A85">2.1-1 CreateEmptyFile</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X8625E7E2845F1634">2.1-2 CreatePolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X8135E88E87DD1551">2.1-3 CheckAppVerTypList</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7801F05A81E23EED">2.1-4 CreatePolymakeObjectFromFile</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X7D9EBB0383B9BD1C">2.2 <span class="Heading">Accessing Properties of Polymake Objects</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X86D967C684B27108">2.2-1 DirectoryOfPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X87470AB079A2F550">2.2-2 FilenameOfPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X809D309F7D31DD2C">2.2-3 FullFilenameOfPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X850B38F27F1BF7E8">2.2-4 NamesKnownPropertiesOfPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7D79C5F1817041C5">2.2-5 KnownPropertiesOfPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7E538D1B7898C8E6">2.2-6 PropertyOfPolymakeObject</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X7CEF475187927AEA">2.3 <span class="Heading">Example: Creating and Accessing Polymake Objects</span></a>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X87BEE1B37D9F1F5E">2.4 <span class="Heading">Writing to Polymake Objects</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X785DCA4487F168F8">2.4-1 AppendToPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7F5326338033B57C">2.4-2 AppendPointlistToPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7E150BA67CEBC00E">2.4-3 AppendVertexlistToPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7EBE5FB284FBFFE6">2.4-4 AppendInequalitiesToPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X83DC7FC280731B04">2.4-5 ConvertMatrixToPolymakeString</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X804AAE4882743E91">2.4-6 ClearPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X840C02CD815FF766">2.4-7 WriteKnownPropertyToPolymakeObject</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7A3FF18C7FD1A626">2.4-8 UnbindKnownPropertyOfPolymakeObject</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X8468E0E381642B14">2.5 <span class="Heading">Calling Polymake and converting its output</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7DBA99E87EC51D53">2.5-1 Polymake</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X7B5623E3821CC0D0">2.6 <span class="Heading">An Example</span></a>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap2.html#X8721882779D8EA95">2.7 <span class="Heading">Calling Clients</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap2.html#X7B7BFA407F54D37E">2.7-1 PolymakeClient</a></span>
</div>
</div>
<div class="ContChap"><a href="chap3.html#X7D9044767BEB1523">3. <span class="Heading">Global Variables</span></a>
<div class="ContSect"><span class="nocss"> </span><a href="chap3.html#X86AC0C6B807BEBDE">3.1 <span class="Heading">Getting information about polymake
output</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap3.html#X85BA7A3D7C698B68">3.1-1 InfoPolymaking</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap3.html#X79E1C63D8516D334">3.1-2 POLYMAKE_LAST_FAIL_REASON</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap3.html#X7B786DAF80136FF4">3.2 <span class="Heading">Variables for system interaction</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap3.html#X7B35A5217C8C7B04">3.2-1 POLYMAKE_COMMAND</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap3.html#X7C07B16B873BA46D">3.2-2 POLYMAKE_DATA_DIR</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap3.html#X875BDBAE8075192A">3.2-3 POLYMAKE_CLIENT_PATHS</a></span>
</div>
</div>
<div class="ContChap"><a href="chap4.html#X7D23E80E841CDD67">4. <span class="Heading">Converting Polymake Output</span></a>
<div class="ContSect"><span class="nocss"> </span><a href="chap4.html#X862D57D87A244DE2">4.1 <span class="Heading">The General Method</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7CDBEA427EE69C71">4.1-1 <span class="Heading">Converter- Philosopy</span></a>
</span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7EB6D80C816CF667">4.1-2 ConvertPolymakeOutputToGapNotation</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X841D81327C6F6E29">4.1-3 SplitPolymakeOutputStringIntoBlocks</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X83199F737F4BE4FD">4.1-4 ObjectConverters</a></span>
</div>
<div class="ContSect"><span class="nocss"> </span><a href="chap4.html#X7FF4170183C83CC1">4.2 <span class="Heading">Conversion Functions</span></a>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7FC98443862DB83F">4.2-1 ConvertPolymakeNumber</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7F2A1C2C808E4A07">4.2-2 ConvertPolymakeScalarToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X82A7FF9983EB61E2">4.2-3 ConvertPolymakeMatrixOrListOfSetsToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X817C6B4180BF6365">4.2-4 ConvertPolymakeMatrixToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X85F7F6787D346CC0">4.2-5 ConvertPolymakeVectorToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X87B6F9867EE800C7">4.2-6 ConvertPolymakeBoolToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X846B284085825FEA">4.2-7 ConvertPolymakeSetToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7E7886D68356F592">4.2-8 ConvertPolymakeListOfSetsToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7EBECAA07F8B58D8">4.2-9 ConvertPolymakeGraphToGAP</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap4.html#X7F4BA33C86137259">4.2-10 ConvertPolymakeHasseDiagramToGAP</a></span>
</div>
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