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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>fpocket: calc.h File Reference</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="annotated.html"><span>Data Structures</span></a></li>
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<li class="current"><a href="files.html"><span>Files</span></a></li>
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<div class="contents">
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<h1>calc.h File Reference</h1><code>#include <math.h></code><br>
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<code>#include <stdio.h></code><br>
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<code>#include <stdlib.h></code><br>
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<p>
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<a href="calc_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="calc_8h.html#615f3353fc9ccc88069adb4000b21e73">dist</a> (float x1, float y1, float z1, float x2, float y2, float z2)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="calc_8h.html#5fbe8e59e515cf3b7af1c25a1914445c">ddist</a> (float x1, float y1, float z1, float x2, float y2, float z2)</td></tr>
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</table>
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<hr><h2>Function Documentation</h2>
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<a class="anchor" name="5fbe8e59e515cf3b7af1c25a1914445c"></a><!-- doxytag: member="calc.h::ddist" ref="5fbe8e59e515cf3b7af1c25a1914445c" args="(float x1, float y1, float z1, float x2, float y2, float z2)" -->
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<div class="memitem">
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<div class="memproto">
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<td class="memname">float ddist </td>
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<td>(</td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>x1</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>y1</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>z1</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>x2</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>y2</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>z2</em></td><td> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td><td></td>
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<div class="memdoc">
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<p>
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## FONCTION: float <a class="el" href="calc_8h.html#5fbe8e59e515cf3b7af1c25a1914445c">ddist(float x1, float y1, float z1, float x2, float y2, float z2)</a><p>
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## SPECIFICATION: Calculate the square of the euclidian distance between two points in space p1(x1, y1, z2) and p2(x2, y2, z2)<p>
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## PARAMETRES: @ float x1, y1, z1: The first point's coordinates. @ float x2, y2, z2: The second point's coordinates.<p>
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## RETURN: float: the squared euclidian distance between the two points.
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<p>Definition at line <a class="el" href="calc_8c-source.html#l00100">100</a> of file <a class="el" href="calc_8c-source.html">calc.c</a>.</p>
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<p>Referenced by <a class="el" href="asa_8c-source.html#l00107">get_surrounding_atoms_idx()</a>, and <a class="el" href="asa_8c-source.html#l00267">set_ASA()</a>.</p>
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<div class="fragment"><pre class="fragment"><a name="l00101"></a>00101 {
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<a name="l00102"></a>00102 <span class="keywordtype">float</span> xdif = x1 - x2 ;
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<a name="l00103"></a>00103 <span class="keywordtype">float</span> ydif = y1 - y2 ;
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<a name="l00104"></a>00104 <span class="keywordtype">float</span> zdif = z1 - z2 ;
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<a name="l00105"></a>00105
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<a name="l00106"></a>00106 <span class="keywordflow">return</span> (xdif*xdif) + (ydif*ydif) + (zdif*zdif) ;
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<a name="l00107"></a>00107 }
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</pre></div>
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<a class="anchor" name="615f3353fc9ccc88069adb4000b21e73"></a><!-- doxytag: member="calc.h::dist" ref="615f3353fc9ccc88069adb4000b21e73" args="(float x1, float y1, float z1, float x2, float y2, float z2)" -->
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<td class="memname">float dist </td>
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<td>(</td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>x1</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>y1</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>z1</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>x2</em>, </td>
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<td class="paramkey"></td>
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<td class="paramkey"></td>
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<td class="paramtype">float </td>
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<td class="paramname"> <em>z2</em></td><td> </td>
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<td></td>
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<td>)</td>
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<p>
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## FONCTION: float <a class="el" href="calc_8h.html#615f3353fc9ccc88069adb4000b21e73">dist(float x1, float y1, float z1, float x2, float y2, float z2)</a><p>
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## SPECIFICATION: Calculate euclidian distance between two points in space p1(x1, y1, z2) and p2(x2, y2, z2)<p>
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## PARAMETRES: @ float x1, y1, z1: The first point's coordinates. @ float x2, y2, z2: The second point's coordinates.<p>
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## RETURN: float: the distance between p1(x1, y1, z2) and p2(x2, y2, z2)
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<p>Definition at line <a class="el" href="calc_8c-source.html#l00075">75</a> of file <a class="el" href="calc_8c-source.html">calc.c</a>.</p>
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<p>Referenced by <a class="el" href="tpocket_8c-source.html#l00661">check_pockets()</a>, <a class="el" href="neighbor_8c-source.html#l00610">count_atm_prop_vert_neigh()</a>, <a class="el" href="neighbor_8c-source.html#l00503">count_pocket_lig_vert_ovlp()</a>, <a class="el" href="neighbor_8c-source.html#l00770">count_vert_neigh()</a>, <a class="el" href="dpocket_8c-source.html#l00184">desc_pocket()</a>, <a class="el" href="mdpocket_8c-source.html#l00339">extract_wanted_vertices()</a>, <a class="el" href="neighbor_8c-source.html#l00090">get_mol_atm_neigh()</a>, <a class="el" href="neighbor_8c-source.html#l00332">get_mol_ctd_atm_neigh()</a>, <a class="el" href="neighbor_8c-source.html#l00213">get_mol_vert_neigh()</a>, <a class="el" href="descriptors_8c-source.html#l00309">get_vert_apolar_density()</a>, <a class="el" href="mdpocket_8c-source.html#l00386">get_wanted_atom_ids()</a>, <a class="el" href="cluster_8c-source.html#l00070">pck_final_clust()</a>, <a class="el" href="cluster_8c-source.html#l00290">pck_ml_clust()</a>, <a class="el" href="cluster_8c-source.html#l00376">pck_ml_clust_test()</a>, <a class="el" href="voronoi_8c-source.html#l00411">print_vvertices()</a>, <a class="el" href="refine_8c-source.html#l00078">refinePockets()</a>, <a class="el" href="descriptors_8c-source.html#l00182">set_descriptors()</a>, <a class="el" href="pocket_8c-source.html#l00542">set_pocket_contacted_lig_name()</a>, <a class="el" href="voronoi_8c-source.html#l00359">testVvertice()</a>, and <a class="el" href="pocket_8c-source.html#l00170">updateIds()</a>.</p>
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<div class="fragment"><pre class="fragment"><a name="l00076"></a>00076 {
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<a name="l00077"></a>00077 <span class="keywordtype">float</span> xdif = x1 - x2 ;
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<a name="l00078"></a>00078 <span class="keywordtype">float</span> ydif = y1 - y2 ;
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<a name="l00079"></a>00079 <span class="keywordtype">float</span> zdif = z1 - z2 ;
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081 <span class="keywordflow">return</span> sqrt((xdif*xdif) + (ydif*ydif) + (zdif*zdif)) ;
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<a name="l00082"></a>00082 }
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</pre></div>
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<hr size="1"><address style="text-align: right;"><small>Generated on Mon Jun 7 16:44:23 2010 for fpocket by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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