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<h1>CommonBitsOp.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: CommonBitsOp.h 2556 2009-06-06 22:22:28Z strk $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span>
<a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00010"></a>00010 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00011"></a>00011 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00012"></a>00012 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> **********************************************************************/</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#ifndef GEOS_PRECISION_COMMONBITSOP_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_PRECISION_COMMONBITSOP_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <geos/precision/CommonBitsRemover.h></span> <span class="comment">// for auto_ptr composition</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <vector></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <memory></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">namespace </span>geos {
<a name="l00026"></a>00026 <span class="keyword">namespace </span>geom {
<a name="l00027"></a>00027 <span class="keyword">class </span>Geometry;
<a name="l00028"></a>00028 }
<a name="l00029"></a>00029 <span class="keyword">namespace </span>precision {
<a name="l00030"></a>00030 <span class="comment">//class CommonBitsRemover;</span>
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">namespace </span>geos {
<a name="l00035"></a>00035 <span class="keyword">namespace </span>precision { <span class="comment">// geos.precision</span>
<a name="l00036"></a>00036
<a name="l00046"></a><a class="code" href="classgeos_1_1precision_1_1CommonBitsOp.html">00046</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1precision_1_1CommonBitsOp.html" title="Provides versions of Geometry spatial functions which use common bit removal to reduce the likelihood...">CommonBitsOp</a> {
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">private</span>:
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keywordtype">bool</span> returnToOriginalPrecision;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 std::auto_ptr<CommonBitsRemover> cbr;
<a name="l00053"></a>00053
<a name="l00062"></a>00062 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* removeCommonBits(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0);
<a name="l00063"></a>00063
<a name="l00067"></a>00067 <span class="keywordtype">void</span> removeCommonBits(
<a name="l00068"></a>00068 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* geom0,
<a name="l00069"></a>00069 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* geom1,
<a name="l00070"></a>00070 std::auto_ptr<geom::Geometry>& rgeom0,
<a name="l00071"></a>00071 std::auto_ptr<geom::Geometry>& rgeom1);
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">public</span>:
<a name="l00075"></a>00075
<a name="l00079"></a>00079 <a class="code" href="classgeos_1_1precision_1_1CommonBitsOp.html" title="Provides versions of Geometry spatial functions which use common bit removal to reduce the likelihood...">CommonBitsOp</a>();
<a name="l00080"></a>00080
<a name="l00087"></a>00087 <a class="code" href="classgeos_1_1precision_1_1CommonBitsOp.html" title="Provides versions of Geometry spatial functions which use common bit removal to reduce the likelihood...">CommonBitsOp</a>(<span class="keywordtype">bool</span> nReturnToOriginalPrecision);
<a name="l00088"></a>00088
<a name="l00097"></a>00097 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* intersection(
<a name="l00098"></a>00098 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0,
<a name="l00099"></a>00099 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom1);
<a name="l00100"></a>00100
<a name="l00109"></a>00109 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* Union(
<a name="l00110"></a>00110 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0,
<a name="l00111"></a>00111 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom1);
<a name="l00112"></a>00112
<a name="l00121"></a>00121 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* difference(
<a name="l00122"></a>00122 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0,
<a name="l00123"></a>00123 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom1);
<a name="l00124"></a>00124
<a name="l00133"></a>00133 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* symDifference(
<a name="l00134"></a>00134 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0,
<a name="l00135"></a>00135 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom1);
<a name="l00136"></a>00136
<a name="l00144"></a>00144 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* buffer(
<a name="l00145"></a>00145 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *geom0,
<a name="l00146"></a>00146 <span class="keywordtype">double</span> distance);
<a name="l00147"></a>00147
<a name="l00159"></a>00159 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* computeResultPrecision(
<a name="l00160"></a>00160 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *result);
<a name="l00161"></a>00161 };
<a name="l00162"></a>00162
<a name="l00163"></a>00163
<a name="l00164"></a>00164 } <span class="comment">// namespace geos.precision</span>
<a name="l00165"></a>00165 } <span class="comment">// namespace geos</span>
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="preprocessor">#endif // GEOS_PRECISION_COMMONBITSOP_H</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span>
<a name="l00169"></a>00169 <span class="comment">/**********************************************************************</span>
<a name="l00170"></a>00170 <span class="comment"> * $Log$</span>
<a name="l00171"></a>00171 <span class="comment"> * Revision 1.3 2006/04/13 23:23:52 strk</span>
<a name="l00172"></a>00172 <span class="comment"> * fixed bug in binary ops failing to consistently reduce operands.</span>
<a name="l00173"></a>00173 <span class="comment"> *</span>
<a name="l00174"></a>00174 <span class="comment"> * Revision 1.2 2006/04/06 14:36:52 strk</span>
<a name="l00175"></a>00175 <span class="comment"> * Cleanup in geos::precision namespace (leaks plugged, auto_ptr use, ...)</span>
<a name="l00176"></a>00176 <span class="comment"> *</span>
<a name="l00177"></a>00177 <span class="comment"> * Revision 1.1 2006/03/23 09:17:19 strk</span>
<a name="l00178"></a>00178 <span class="comment"> * precision.h header split, minor optimizations</span>
<a name="l00179"></a>00179 <span class="comment"> *</span>
<a name="l00180"></a>00180 <span class="comment"> **********************************************************************/</span>
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