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<title>PHPC - nBody project: /media/lmunier/Data/EPFL/Master/2eme_annee/Semestre_2/Parallel_and_High_Performance_Computing/phpc_submit_nbody/src/main.cpp File Reference</title>
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<div class="textblock"><code>#include &quot;<a class="el" href="constants_8hpp_source.html">constants.hpp</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="Particle_8hpp_source.html">Particle.hpp</a>&quot;</code><br />
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Namespaces</h2></td></tr>
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<tr class="memitem:afb2ef7f3c27d7dd3347f318a21a76aa3"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="main_8cpp.html#afb2ef7f3c27d7dd3347f318a21a76aa3">generate_data</a> (vector&lt; <a class="el" href="classTree_1_1Particle.html">Particle</a>&lt; Type &gt; * &gt; *particles, Type size)</td></tr>
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<tr class="memitem:a6b51d5cb39145d46497453da3c82d935"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="main_8cpp.html#a6b51d5cb39145d46497453da3c82d935">update_load</a> (vector&lt; <a class="el" href="classTree_1_1Particle.html">Particle</a>&lt; Type &gt; * &gt; *particles)</td></tr>
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Variables</h2></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author</dt><dd>Munier Louis </dd></dl>
<dl class="section date"><dt>Date</dt><dd>04.06.19 </dd></dl>
<dl class="section version"><dt>Version</dt><dd>1.0</dd></dl>
<p>Main file of the nBody project. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="afb2ef7f3c27d7dd3347f318a21a76aa3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afb2ef7f3c27d7dd3347f318a21a76aa3">&#9670;&nbsp;</a></span>generate_data()</h2>
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<div class="memtemplate">
template&lt;typename Type &gt; </div>
<table class="memname">
<tr>
<td class="memname">void generate_data </td>
<td>(</td>
<td class="paramtype">vector&lt; <a class="el" href="classTree_1_1Particle.html">Particle</a>&lt; Type &gt; * &gt; *&#160;</td>
<td class="paramname"><em>particles</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">Type&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Generate NB_PARTICLES particles and call function to store them.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">Type</td><td>of the vector, 2D or 3D (and int, float, etc ...) </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">particles</td><td>pointer to the list of all the particles </td></tr>
<tr><td class="paramname">size</td><td>vector to have the size of the working area </td></tr>
</table>
</dd>
</dl>
<p>Generate random coordinate for a new particle and shift it if it stays in boundaries to stress application</p>
<p>Create new particle</p>
</div>
</div>
<a id="ad303569a15a821f8698acf1e38f562ef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad303569a15a821f8698acf1e38f562ef">&#9670;&nbsp;</a></span>generate_file()</h2>
<div class="memitem">
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<div class="memtemplate">
template&lt;typename Type &gt; </div>
<table class="memname">
<tr>
<td class="memname">void generate_file </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classTree_1_1AbstractType.html">AbstractType</a>&lt; Type &gt; *&#160;</td>
<td class="paramname"><em>particle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>iter</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const string &amp;&#160;</td>
<td class="paramname"><em>dir</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>If PRINT is defined, generate a csv file to display animation of the result in external software (e.g. paraview).</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">Type</td><td>of the vector, 2D or 3D (and int, float, etc ...) </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">particle</td><td>pointer on the particle to write in csv file </td></tr>
<tr><td class="paramname">iter</td><td>iteration to change filename </td></tr>
<tr><td class="paramname">dir</td><td>filepath to the directory to store results </td></tr>
</table>
</dd>
</dl>
<p>Check if file is empty to write the title of each column</p>
</div>
</div>
<a id="a0ddf1224851353fc92bfbff6f499fa97"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0ddf1224851353fc92bfbff6f499fa97">&#9670;&nbsp;</a></span>main()</h2>
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<table class="memname">
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<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>argc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>argv</em>[]&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Main function, compute time to solve problem and store size of the overall area where particle are studied.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">argc</td><td>default input in c++ main function </td></tr>
<tr><td class="paramname">argv</td><td>default input in c++ main function </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>success if no errors are reached </dd></dl>
<p>Print all the parameters</p>
</div>
</div>
<a id="a6b51d5cb39145d46497453da3c82d935"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6b51d5cb39145d46497453da3c82d935">&#9670;&nbsp;</a></span>update_load()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename Type &gt; </div>
<table class="memname">
<tr>
<td class="memname">void update_load </td>
<td>(</td>
<td class="paramtype">vector&lt; <a class="el" href="classTree_1_1Particle.html">Particle</a>&lt; Type &gt; * &gt; *&#160;</td>
<td class="paramname"><em>particles</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Update the load applied to a particle by implementing a double for loop on each particle.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">Type</td><td>of the vector, 2D or 3D (and int, float, etc ...) </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">particles</td><td>pointer to the list of all the particles </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="ad473898be35b21af805509c979cc8b63"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad473898be35b21af805509c979cc8b63">&#9670;&nbsp;</a></span>update_particles_pos()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename Type &gt; </div>
<table class="memname">
<tr>
<td class="memname">void update_particles_pos </td>
<td>(</td>
<td class="paramtype">vector&lt; <a class="el" href="classTree_1_1Particle.html">Particle</a>&lt; Type &gt; * &gt; *&#160;</td>
<td class="paramname"><em>particles</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">Type&#160;</td>
<td class="paramname"><em>dim</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>iter</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const string &amp;&#160;</td>
<td class="paramname"><em>dir</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Update position and velocity for each particle. Generate a csv file with all the position if needed.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">Type</td><td>of the vector, 2D or 3D (and int, float, etc ...) </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">particles</td><td>pointer to the list of all the particles </td></tr>
<tr><td class="paramname">dim</td><td>dimensions of the overall working area </td></tr>
<tr><td class="paramname">iter</td><td>current iteration of the solution </td></tr>
<tr><td class="paramname">dir</td><td>filepath to the directory to store results if it is needed </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="a29673983ae2c3b096df5467c9a6aedef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a29673983ae2c3b096df5467c9a6aedef">&#9670;&nbsp;</a></span>NB_PARTICLES</h2>
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<td class="memname">int NB_PARTICLES</td>
</tr>
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<div class="fragment"></div><!-- fragment --><p> which contains all the needed project's constants/includes </p><div class="fragment"></div><!-- fragment --><p> custom library to have minimal vector implementation </p><div class="fragment"></div><!-- fragment --><p> library to create a quadtree/octree data structure and interact on different cells/particlesGobal variables to have dynamic testing without recompiling each time.number of particles for the project </p>
</div>
</div>
<a id="a6787ce3acaff08051d67ce0709e88983"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6787ce3acaff08051d67ce0709e88983">&#9670;&nbsp;</a></span>SHIFT</h2>
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<table class="memname">
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<td class="memname">float SHIFT</td>
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<p>Shift value to unbalanced uniformity of particles creation </p>
</div>
</div>
<a id="a57c2e3242b5c1609c3fdef7adc393ad5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a57c2e3242b5c1609c3fdef7adc393ad5">&#9670;&nbsp;</a></span>SIDE</h2>
<div class="memitem">
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<td class="memname">float SIDE</td>
</tr>
</table>
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<p>side of the area considered for the project </p>
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