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			<title>global_r.c -- global variables and their functions</title>
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			<h2>global_r.c -- global variables and their functions</h2>
			<blockquote>
			<p>Qhull uses a data structure, <tt>qhT</tt>, to store
			globally defined constants, lists, sets, and variables. It is passed as the
			first argument to each procedure.
			</p>
			</blockquote>
			<p><b>Copyright © 1995-2015 C.B. Barber</b></p>
			<hr>
			<p><a href="#TOP">»</a> <a href="qh-geom_r.htm#TOC">Geom</a>
			<a name="TOC"></a> <b>Global</b>
			<a href="qh-io_r.htm#TOC">Io</a> <a href="qh-mem_r.htm#TOC">Mem</a>
			<a href="qh-merge_r.htm#TOC">Merge</a> <a href="qh-poly_r.htm#TOC">Poly</a>
			<a href="qh-qhull_r.htm#TOC">Qhull</a> <a href="qh-set_r.htm#TOC">Set</a>
			<a href="qh-stat_r.htm#TOC">Stat</a> <a href="qh-user_r.htm#TOC">User</a> </p>

			<h3>Index to <a href="global_r.c">global_r.c</a> and
			<a href="libqhull_r.h">libqhull_r.h</a></h3>

			<ul>
			<li><a href="#ovar">Qhull's global variables</a> </li>
			<li><a href="#ofunc">Global variable and initialization
			routines</a> </li>
			</ul>

			<h3><a href="qh-globa_r.htm#TOC">»</a><a name="ovar">Qhull's global
			variables</a></h3>

			<ul>
			<li><a href=global_r.c#qh_version>qh_version</a> version string
			<li><a href="libqhull_r.h#qh">qh</a> all global variables for
			qhull are in <tt>qh,qhmem</tt>, and <tt>qhstat</tt></li>
			<li><a href="libqhull_r.h#qh-const">qh constants</a> configuration
			flags and constants for Qhull </li>
			<li><a href="libqhull_r.h#qh-prec">qh precision constants</a>
			precision constants for Qhull </li>
			<li><a href="libqhull_r.h#qh-codetern">qh internal constants</a>
			internal constants for Qhull </li>
			<li><a href="libqhull_r.h#qh-lists">qh facet and vertex lists</a>
			lists of facets and vertices </li>
			<li><a href="libqhull_r.h#qh-var">qh global variables</a> minimum
			and maximum distances, next visit ids, several flags, and
			other global variables. </li>
			<li><a href="libqhull_r.h#qh-set">qh global sets</a> global sets
			for merging, hashing, input, etc. </li>
			<li><a href="libqhull_r.h#qh-buf">qh global buffers</a> buffers
			for matrix operations and input </li>
			<li><a href="libqhull_r.h#qh-static">qh static variables</a>
			static variables for individual functions </li>
			</ul>

			<h3><a href="qh-globa_r.htm#TOC">»</a><a name="ofunc">Global variable and
			initialization routines</a></h3>

			<ul>
			<li><a href="global_r.c#appendprint">qh_appendprint</a> append
			output format to <tt>qh.PRINTout</tt> </li>
			<li><a href="global_r.c#freebuffers">qh_freebuffers</a> free
			global memory buffers </li>
			<li><a href="global_r.c#freeqhull">qh_freeqhull</a> free memory
			used by qhull </li>
			<li><a href="global_r.c#init_A">qh_init_A</a> called before
			error handling initialized </li>
			<li><a href="global_r.c#init_B">qh_init_B</a> called after
			points are defined </li>
			<li><a href="global_r.c#init_qhull_command">qh_init_qhull_command</a>
			build <tt>qh.qhull_command</tt> from <tt>argc/argv</tt></li>
			<li><a href="global_r.c#initflags">qh_initflags</a> set flags
			and constants from command line </li>
			<li><a href="global_r.c#initqhull_buffers">qh_initqhull_buffers</a>
			initialize global memory buffers </li>
			<li><a href="global_r.c#initqhull_globals">qh_initqhull_globals</a>
			initialize global variables </li>
			<li><a href="global_r.c#initqhull_mem">qh_initqhull_mem</a>
			initialize Qhull memory management </li>
			<li><a href="global_r.c#initqhull_start">qh_initqhull_start</a>
			allocate qh_qh and call qh_initqhull_start2()
			<li><a href="global_r.c#initqhull_start2">qh_initqhull_start2</a>
			initialize default values at Qhull startup </li>
			<li><a href="global_r.c#initthresholds">qh_initthresholds</a>
			initialize 'Pdn' and 'PDn' thresholds </li>
			<li><a href="global_r.c#lib_check">qh_lib_check</a> check for compatible Qhull library</li>
			<li><a href="global_r.c#option">qh_option</a> append option
			description to <tt>qh.global_options</tt> </li>
			<li><a href="global_r.c#restore_qhull">qh_restore_qhull</a>
			restores a previously saved qhull </li>
			<li><a href="global_r.c#save_qhull">qh_save_qhull</a> saves
			qhull for a later qh_restore_qhull() </li>
			<li><a href="global_r.c#strtol">qh_strtol</a> duplicates
			strtod() and strtol() </li>
			<li><a href="global_r.c#zero">qh_zero</a> zeroes qhT before first use</li>
			</ul>

			<p><!-- Navigation links --> </p>
			<hr>
			<p><b>Up:</b>
			<a href="http://www.qhull.org">Home page for
			Qhull</a> <br>
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			<b>Up:</b> <a href="../../html/qh-quick.htm#programs">Programs</a>
			<a href="../../html/qh-quick.htm#options">Options</a>
			<a href="../../html/qh-opto.htm#output">Output</a>
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			<a href="../../html/qh-optp.htm#print">Print</a>
			<a href="../../html/qh-optq.htm#qhull">Qhull</a>
			<a href="../../html/qh-optc.htm#prec">Precision</a>
			<a href="../../html/qh-optt.htm#trace">Trace</a><br>
			<b>Up:</b> <a href="../../html/qh-code.htm#TOC">Qhull code: Table of Contents</a> <br>
			<b>To:</b> <a href="index.htm">Qhull functions</a>, macros, and data structures<br>
			<b>To:</b> <a href="qh-geom_r.htm">Geom</a>
			<a href="qh-globa_r.htm">Global</a> <a href="qh-io_r.htm">Io</a>
			<a href="qh-mem_r.htm">Mem</a> <a href="qh-merge_r.htm">Merge</a>
			<a href="qh-poly_r.htm">Poly</a> <a href="qh-qhull_r.htm#TOC">Qhull</a>
			<a href="qh-set_r.htm">Set</a> <a href="qh-stat_r.htm">Stat</a>
			<a href="qh-user_r.htm">User</a><br>
			<p><!-- GC common information --> </p>
			<hr>
			<p><a href="http://www.geom.uiuc.edu/"><img
			src="../../html/qh--geom.gif" align="middle" width="40" height="40"></a><i>The
			Geometry Center Home Page </i></p>
			<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
			</a><br>
			Created: May 2, 1997 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
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