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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0bc14b2fb119a11b6a0f32f4d350db61.html">geos</a></li><li class="navelem"><a class="el" href="dir_279c2a4a5cd4864782727afae36270b8.html">util</a></li> </ul>
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<a href="math_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef GEOS_UTIL_MATH_H</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#define GEOS_UTIL_MATH_H</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>util {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keywordtype">double</span> <a class="code" href="namespacegeos_1_1util.html#af43205472f6826cf9883c4229086c924">sym_round</a>(<span class="keywordtype">double</span> val);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keywordtype">double</span> <a class="code" href="namespacegeos_1_1util.html#a7d1e45aeb83f6b273baead6b768f129e">java_math_round</a>(<span class="keywordtype">double</span> val);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keywordtype">double</span> <a class="code" href="namespacegeos_1_1util.html#a0d1659eb4a266692ce5a82733e2d6244">rint_vc</a>(<span class="keywordtype">double</span> val);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">inline</span> <span class="keywordtype">double</span></div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacegeos_1_1util.html#a1256b1acb67c87ad2062787e617e25b0"> 36</a></span> <a class="code" href="namespacegeos_1_1util.html#a1256b1acb67c87ad2062787e617e25b0">round</a>(<span class="keywordtype">double</span> val)</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> <a class="code" href="namespacegeos_1_1util.html#a7d1e45aeb83f6b273baead6b768f129e">java_math_round</a>(val);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> } <span class="comment">// namespace geos::util</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif // GEOS_UTIL_MATH_H</span></div><div class="ttc" id="namespacegeos_1_1util_html_af43205472f6826cf9883c4229086c924"><div class="ttname"><a href="namespacegeos_1_1util.html#af43205472f6826cf9883c4229086c924">geos::util::sym_round</a></div><div class="ttdeci">double sym_round(double val)</div><div class="ttdoc">Symmetric Rounding Algorithm. </div></div>
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<div class="ttc" id="namespacegeos_1_1util_html_a0d1659eb4a266692ce5a82733e2d6244"><div class="ttname"><a href="namespacegeos_1_1util.html#a0d1659eb4a266692ce5a82733e2d6244">geos::util::rint_vc</a></div><div class="ttdeci">double rint_vc(double val)</div><div class="ttdoc">Equivalent to Java Math.rint() </div></div>
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<div class="ttc" id="namespacegeos_1_1util_html_a1256b1acb67c87ad2062787e617e25b0"><div class="ttname"><a href="namespacegeos_1_1util.html#a1256b1acb67c87ad2062787e617e25b0">geos::util::round</a></div><div class="ttdeci">double round(double val)</div><div class="ttdef"><b>Definition:</b> <a href="math_8h_source.html#l00036">math.h:36</a></div></div>
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<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
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<div class="ttc" id="namespacegeos_1_1util_html_a7d1e45aeb83f6b273baead6b768f129e"><div class="ttname"><a href="namespacegeos_1_1util.html#a7d1e45aeb83f6b273baead6b768f129e">geos::util::java_math_round</a></div><div class="ttdeci">double java_math_round(double val)</div><div class="ttdoc">Asymmetric Rounding Algorithm. </div></div>
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