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<div id="projectbrief">Simulate particle behavior inside a Penning Trap</div>
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<a href="PenningTrap_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &quot;<a class="code" href="PenningTrap_8hpp.html">PenningTrap.hpp</a>&quot;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"><a class="line" href="classPenningTrap.html#ae670d7de621acdb343b01af098086f63"> 15</a></span><a class="code hl_function" href="classPenningTrap.html#ae670d7de621acdb343b01af098086f63">PenningTrap::PenningTrap</a>(<span class="keywordtype">double</span> B_0, std::function&lt;<span class="keywordtype">double</span>(<span class="keywordtype">double</span>)&gt; V_0,</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">double</span> d, <span class="keywordtype">double</span> t)</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>{</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> this-&gt;B_0 = <a class="code hl_variable" href="classPenningTrap.html#a0cac3509aa96e71a26d3b2c902e27716">B_0</a>;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#aaf105828121c4a33cc2b217453c20317">V_0</a> = <a class="code hl_variable" href="classPenningTrap.html#aaf105828121c4a33cc2b217453c20317">V_0</a>;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> this-&gt;d = <a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a>;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> this-&gt;t = <a class="code hl_variable" href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">t</a>;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>}</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a763700316b502d5900e587c1f61e6bf1"> 24</a></span><a class="code hl_function" href="classPenningTrap.html#ae670d7de621acdb343b01af098086f63">PenningTrap::PenningTrap</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, <span class="keywordtype">double</span> B_0,</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> std::function&lt;<span class="keywordtype">double</span>(<span class="keywordtype">double</span>)&gt; V_0, <span class="keywordtype">double</span> d, <span class="keywordtype">double</span> t)</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> : <a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>::<a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>(B_0, V_0, d)</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>{</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> r, v;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; i; j++) {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> r = <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>().randn() * .1 * this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> v = <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>().randn() * .1 * this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a>;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> this-&gt;<a class="code hl_function" href="classPenningTrap.html#a6e9776ff5b149f01080800716455d7c8">add_particle</a>(<a class="code hl_class" href="classParticle.html">Particle</a>(1., 40., r, v));</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> }</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>}</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a67139e04ef69c0bcffde8f30f67cbf73"> 36</a></span><a class="code hl_function" href="classPenningTrap.html#ae670d7de621acdb343b01af098086f63">PenningTrap::PenningTrap</a>(std::vector&lt;Particle&gt; particles, <span class="keywordtype">double</span> B_0,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::function&lt;<span class="keywordtype">double</span>(<span class="keywordtype">double</span>)&gt; V_0, <span class="keywordtype">double</span> d, <span class="keywordtype">double</span> t)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> : <a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>::<a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>(B_0, V_0, d)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> this-&gt;particles = <a class="code hl_variable" href="classPenningTrap.html#a0112525d9e79a472e761f8ef402a339f">particles</a>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classPenningTrap.html#af98a720da60b0e1a62aefa5f5cb37c1e"> 43</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#af98a720da60b0e1a62aefa5f5cb37c1e">PenningTrap::v_func</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, <span class="keywordtype">double</span> dt)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">switch</span> (i) {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">case</span> 0:</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> .5 * dt * this-&gt;<a class="code hl_variable" href="classPenningTrap.html#ae9b5afdaa5cd366e94bd294452a1eed4">k_v</a>[0][j];</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> .5 * dt * this-&gt;k_v[1][j];</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> dt * this-&gt;k_v[2][j];</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">return</span> (dt / 6.) * (this-&gt;k_v[0][j] + 2. * this-&gt;k_v[1][j] +</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> 2. * this-&gt;k_v[2][j] + this-&gt;k_v[3][j]);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Not valid!&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> abort();</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a43e74792ab4b3f9299f35cb64bdb2648"> 61</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#a43e74792ab4b3f9299f35cb64bdb2648">PenningTrap::r_func</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, <span class="keywordtype">double</span> dt)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>{</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">switch</span> (i) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">case</span> 0:</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> .5 * dt * this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a2f168622587709b9e3c49077f0b9a640">k_r</a>[0][j];</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> .5 * dt * this-&gt;k_r[1][j];</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> dt * this-&gt;k_r[2][j];</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> (dt / 6.) * (this-&gt;k_r[0][j] + 2. * this-&gt;k_r[1][j] +</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> 2. * this-&gt;k_r[2][j] + this-&gt;k_r[3][j]);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Not valid!&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> abort();</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>}</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a6e9776ff5b149f01080800716455d7c8"> 79</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classPenningTrap.html#a6e9776ff5b149f01080800716455d7c8">PenningTrap::add_particle</a>(<a class="code hl_class" href="classParticle.html">Particle</a> particle)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> this-&gt;particles.push_back(particle);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>}</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a1d58feaa2c9e34cbf26b1c5ed75ca9d9"> 84</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#a1d58feaa2c9e34cbf26b1c5ed75ca9d9">PenningTrap::external_E_field</a>(<a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> r)</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>{</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> r(2) *= -2.;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordtype">double</span> f = this-&gt;<a class="code hl_variable" href="classPenningTrap.html#aaf105828121c4a33cc2b217453c20317">V_0</a>(this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">t</a>) / (this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a> * this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a>);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">return</span> f * r;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classPenningTrap.html#acbf065c9c125682329ad82a8d166554c"> 92</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#acbf065c9c125682329ad82a8d166554c">PenningTrap::external_B_field</a>(<a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> r)</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>{</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>{0., 0., this-&gt;B_0};</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a9ae34ad740a230e667e96bc6ee8730ce"> 97</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#a9ae34ad740a230e667e96bc6ee8730ce">PenningTrap::force_on_particle</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span>{</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// Calculate the difference between the particles&#39; position</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> res = this-&gt;particles[i].r_vec - this-&gt;particles[j].r_vec;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// Get the distance between the particles</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">double</span> norm = arma::norm(res, 2);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>(res * this-&gt;particles[j].q / (norm * norm * norm));</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"><a class="line" href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56"> 108</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56">PenningTrap::total_force_external</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i)</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>{</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_class" href="classParticle.html">Particle</a> p = this-&gt;particles[i];</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">if</span> (arma::norm(p.<a class="code hl_variable" href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">r_vec</a>) &gt; this-&gt;d) {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>{0., 0., 0.};</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> force =</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> p.<a class="code hl_variable" href="classParticle.html#a566dcc1de4bdc01251776948798ea8e1">q</a> * (this-&gt;<a class="code hl_function" href="classPenningTrap.html#a1d58feaa2c9e34cbf26b1c5ed75ca9d9">external_E_field</a>(p.<a class="code hl_variable" href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">r_vec</a>) +</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> arma::cross(p.<a class="code hl_variable" href="classParticle.html#a879692772803d6ab65fa4993b54aea6e">v_vec</a>, this-&gt;external_B_field(p.<a class="code hl_variable" href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">r_vec</a>)));</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> force;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>}</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a46a954a0946def199e30fb300ba1c47b"> 123</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#a46a954a0946def199e30fb300ba1c47b">PenningTrap::total_force_particles</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>{</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_class" href="classParticle.html">Particle</a> p = this-&gt;particles[i];</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> res;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; this-&gt;particles.size(); j++) {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span> (i == j) {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> res += this-&gt;<a class="code hl_function" href="classPenningTrap.html#a9ae34ad740a230e667e96bc6ee8730ce">force_on_particle</a>(i, j);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>(res * <a class="code hl_define" href="constants_8hpp.html#a4e451456ad7e9276ed0afa42826e7ccb">K_E</a> * (p.<a class="code hl_variable" href="classParticle.html#a566dcc1de4bdc01251776948798ea8e1">q</a> / p.<a class="code hl_variable" href="classParticle.html#aedcc7e1bc53b0e2b1a4a07c9a1b47563">m</a>));</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>}</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a1f668c4433421136ad51741741aa1bc8"> 140</a></span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> <a class="code hl_function" href="classPenningTrap.html#a1f668c4433421136ad51741741aa1bc8">PenningTrap::total_force</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span>{</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (arma::norm(this-&gt;particles[i].r_vec) &gt; this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">d</a>) {</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a>{0., 0., 0.};</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">return</span> this-&gt;<a class="code hl_function" href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56">total_force_external</a>(i) - this-&gt;<a class="code hl_function" href="classPenningTrap.html#a46a954a0946def199e30fb300ba1c47b">total_force_particles</a>(i);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span>}</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a36946152fd951b1f7c346c51ff900d8e"> 148</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classPenningTrap.html#a36946152fd951b1f7c346c51ff900d8e">PenningTrap::evolve_RK4</a>(<span class="keywordtype">double</span> dt, <span class="keywordtype">bool</span> particle_interaction)</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span>{</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> std::vector&lt;Particle&gt; original_particles = this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a0112525d9e79a472e761f8ef402a339f">particles</a>;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> std::vector&lt;Particle&gt; tmp_particles = this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a0112525d9e79a472e761f8ef402a339f">particles</a>;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> (<a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>::*force)(<span class="keywordtype">unsigned</span> int);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (particle_interaction) {</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> force = &amp;<a class="code hl_function" href="classPenningTrap.html#a1f668c4433421136ad51741741aa1bc8">PenningTrap::total_force</a>;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> force = &amp;<a class="code hl_function" href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56">PenningTrap::total_force_external</a>;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordtype">size_t</span> size = this-&gt;particles.size();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#ae9b5afdaa5cd366e94bd294452a1eed4">k_v</a> = <a class="code hl_typedef" href="typedefs_8hpp.html#aec69d34220fff45de238b9e01f2686af">sim_arr</a>(4, <a class="code hl_typedef" href="typedefs_8hpp.html#a7c2dfa854274262c4e00e4ef0ab2ce23">sim_cols</a>(size));</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a2f168622587709b9e3c49077f0b9a640">k_r</a> = <a class="code hl_typedef" href="typedefs_8hpp.html#aec69d34220fff45de238b9e01f2686af">sim_arr</a>(4, <a class="code hl_typedef" href="typedefs_8hpp.html#a7c2dfa854274262c4e00e4ef0ab2ce23">sim_cols</a>(size));</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; 4; i++) {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="preprocessor">#pragma omp parallel for</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; this-&gt;particles.size(); j++) {</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#ae9b5afdaa5cd366e94bd294452a1eed4">k_v</a>[i][j] = (this-&gt;*force)(j) / this-&gt;particles[j].m;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a2f168622587709b9e3c49077f0b9a640">k_r</a>[i][j] = this-&gt;particles[j].v_vec;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_class" href="classParticle.html">Particle</a> *p = &amp;tmp_particles[j];</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> p-&gt;<a class="code hl_variable" href="classParticle.html#a879692772803d6ab65fa4993b54aea6e">v_vec</a> = original_particles[j].v_vec + this-&gt;<a class="code hl_function" href="classPenningTrap.html#af98a720da60b0e1a62aefa5f5cb37c1e">v_func</a>(i, j, dt);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> p-&gt;<a class="code hl_variable" href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">r_vec</a> = original_particles[j].r_vec + this-&gt;<a class="code hl_function" href="classPenningTrap.html#a43e74792ab4b3f9299f35cb64bdb2648">r_func</a>(i, j, dt);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> this-&gt;particles.swap(tmp_particles);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">t</a> += dt;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span>}</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"><a class="line" href="classPenningTrap.html#ab9ea97a406534bbe621a95215144875e"> 183</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classPenningTrap.html#ab9ea97a406534bbe621a95215144875e">PenningTrap::evolve_forward_euler</a>(<span class="keywordtype">double</span> dt, <span class="keywordtype">bool</span> particle_interaction)</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>{</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordtype">size_t</span> size = this-&gt;particles.size();</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> force_res[size];</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <a class="code hl_class" href="classParticle.html">Particle</a> *p;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> (<a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>::*force)(<span class="keywordtype">unsigned</span> int);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">if</span> (particle_interaction) {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> force = &amp;<a class="code hl_function" href="classPenningTrap.html#a1f668c4433421136ad51741741aa1bc8">PenningTrap::total_force</a>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> force = &amp;<a class="code hl_function" href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56">PenningTrap::total_force_external</a>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="preprocessor">#pragma omp parallel for</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; size; i++) {</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> force_res[i] = (this-&gt;*force)(i);</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> }</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="preprocessor">#pragma omp parallel for private(p)</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; size; i++) {</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> p = &amp;this-&gt;particles[i];</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> p-&gt;<a class="code hl_variable" href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">r_vec</a> += dt * p-&gt;<a class="code hl_variable" href="classParticle.html#a879692772803d6ab65fa4993b54aea6e">v_vec</a>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> p-&gt;<a class="code hl_variable" href="classParticle.html#a879692772803d6ab65fa4993b54aea6e">v_vec</a> += dt * force_res[i] / p-&gt;<a class="code hl_variable" href="classParticle.html#aedcc7e1bc53b0e2b1a4a07c9a1b47563">m</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">t</a> += dt;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>}</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"><a class="line" href="classPenningTrap.html#ae09ef9cfa7e4ed1c108c8576405b3599"> 212</a></span><a class="code hl_struct" href="structsimulation.html">simulation_t</a> <a class="code hl_function" href="classPenningTrap.html#ae09ef9cfa7e4ed1c108c8576405b3599">PenningTrap::simulate</a>(<span class="keywordtype">double</span> time, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> steps,</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> std::string method,</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordtype">bool</span> particle_interaction)</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span>{</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">double</span> dt = time / (double)steps;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = this-&gt;particles.size();</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_struct" href="structsimulation.html">simulation_t</a> res{<a class="code hl_typedef" href="typedefs_8hpp.html#aec69d34220fff45de238b9e01f2686af">sim_arr</a>(size, <a class="code hl_typedef" href="typedefs_8hpp.html#a7c2dfa854274262c4e00e4ef0ab2ce23">sim_cols</a>(steps)),</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <a class="code hl_typedef" href="typedefs_8hpp.html#aec69d34220fff45de238b9e01f2686af">sim_arr</a>(size, <a class="code hl_typedef" href="typedefs_8hpp.html#a7c2dfa854274262c4e00e4ef0ab2ce23">sim_cols</a>(steps))};</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> void (<a class="code hl_class" href="classPenningTrap.html">PenningTrap</a>::*func)(double, bool);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (method == <span class="stringliteral">&quot;rk4&quot;</span>) {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> func = &amp;<a class="code hl_function" href="classPenningTrap.html#a36946152fd951b1f7c346c51ff900d8e">PenningTrap::evolve_RK4</a>;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (method == <span class="stringliteral">&quot;euler&quot;</span>) {</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> func = &amp;<a class="code hl_function" href="classPenningTrap.html#ab9ea97a406534bbe621a95215144875e">PenningTrap::evolve_forward_euler</a>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Not a valid method!&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> abort();</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; steps; j++) {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; size; i++) {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> res.r_vecs[i][j] = this-&gt;particles[i].r_vec;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> res.v_vecs[i][j] = this-&gt;particles[i].v_vec;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> }</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> (this-&gt;*func)(dt, particle_interaction);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>}</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"><a class="line" href="classPenningTrap.html#abbb832a85139b1a56ebde57d7b8f9a57"> 246</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classPenningTrap.html#abbb832a85139b1a56ebde57d7b8f9a57">PenningTrap::write_simulation_to_dir</a>(std::string path, <span class="keywordtype">double</span> time,</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> steps,</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> std::string method,</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordtype">bool</span> particle_interaction)</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span>{</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">if</span> (path.back() != <span class="charliteral">&#39;/&#39;</span>) {</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> path += <span class="charliteral">&#39;/&#39;</span>;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> }</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="utils_8hpp.html#a6fdd7217b750aff5b6295ece7cbdeffa">mkpath</a>(path, 0777) != 0) {</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Hello&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> }</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_struct" href="structsimulation.html">simulation_t</a> res =</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> this-&gt;<a class="code hl_function" href="classPenningTrap.html#ae09ef9cfa7e4ed1c108c8576405b3599">simulate</a>(time, steps, method, particle_interaction);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> std::ofstream ofile;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="preprocessor">#pragma omp parallel for private(ofile)</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; this-&gt;particles.size(); i++) {</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> ofile.open(path + <span class="stringliteral">&quot;particle_&quot;</span> + std::to_string(i) + <span class="stringliteral">&quot;_r.txt&quot;</span>);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">for</span> (<a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> &amp;vec : res.r_vecs[i]) {</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> ofile &lt;&lt; vec(0) &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; vec(1) &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; vec(2) &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> ofile.close();</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> ofile.open(path + <span class="stringliteral">&quot;particle_&quot;</span> + std::to_string(i) + <span class="stringliteral">&quot;_v.txt&quot;</span>);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">for</span> (<a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> &amp;vec : res.v_vecs[i]) {</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> ofile &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#adfb618b2fdff47ef30a4a2b62c04f384">scientific_format</a>(vec(0), 10, 8) &lt;&lt; <span class="stringliteral">&quot;,&quot;</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#adfb618b2fdff47ef30a4a2b62c04f384">scientific_format</a>(vec(1), 8, 10) &lt;&lt; <span class="stringliteral">&quot;,&quot;</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#adfb618b2fdff47ef30a4a2b62c04f384">scientific_format</a>(vec(2), 8, 10) &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> ofile.close();</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span>}</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"><a class="line" href="classPenningTrap.html#a0194be61c956a9259c747c23e4163c5b"> 281</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="classPenningTrap.html#a0194be61c956a9259c747c23e4163c5b">PenningTrap::fraction_of_particles_left</a>(<span class="keywordtype">double</span> time, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> steps,</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> std::string method,</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordtype">bool</span> particle_interaction)</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span>{</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_struct" href="structsimulation.html">simulation_t</a> res =</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> this-&gt;<a class="code hl_function" href="classPenningTrap.html#ae09ef9cfa7e4ed1c108c8576405b3599">simulate</a>(time, steps, method, particle_interaction);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordtype">int</span> particles_left = 0;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">for</span> (<a class="code hl_class" href="classParticle.html">Particle</a> p : this-&gt;particles) {</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">if</span> (arma::norm(p.r_vec) &lt; this-&gt;d) {</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> particles_left++;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> }</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> }</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)particles_left / (double)this-&gt;particles.size();</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span>}</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span><a class="code hl_typedef" href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a> PenningTrap::get_r(<span class="keywordtype">int</span> i)</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span>{</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">return</span> this-&gt;particles[i].r_vec;</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span>}</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span><span class="keywordtype">double</span> PenningTrap::get_t()</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span>{</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">return</span> this-&gt;<a class="code hl_variable" href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">t</a>;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span>}</div>
<div class="ttc" id="aPenningTrap_8hpp_html"><div class="ttname"><a href="PenningTrap_8hpp.html">PenningTrap.hpp</a></div><div class="ttdoc">A class for simulating a Penning trap.</div></div>
<div class="ttc" id="aclassParticle_html"><div class="ttname"><a href="classParticle.html">Particle</a></div><div class="ttdoc">A class that holds attributes of a particle.</div><div class="ttdef"><b>Definition:</b> <a href="Particle_8hpp_source.html#l00021">Particle.hpp:21</a></div></div>
<div class="ttc" id="aclassParticle_html_a566dcc1de4bdc01251776948798ea8e1"><div class="ttname"><a href="classParticle.html#a566dcc1de4bdc01251776948798ea8e1">Particle::q</a></div><div class="ttdeci">double q</div><div class="ttdoc">Charge.</div><div class="ttdef"><b>Definition:</b> <a href="Particle_8hpp_source.html#l00023">Particle.hpp:23</a></div></div>
<div class="ttc" id="aclassParticle_html_a879692772803d6ab65fa4993b54aea6e"><div class="ttname"><a href="classParticle.html#a879692772803d6ab65fa4993b54aea6e">Particle::v_vec</a></div><div class="ttdeci">vec_3d v_vec</div><div class="ttdoc">velocity</div><div class="ttdef"><b>Definition:</b> <a href="Particle_8hpp_source.html#l00026">Particle.hpp:26</a></div></div>
<div class="ttc" id="aclassParticle_html_aedcc7e1bc53b0e2b1a4a07c9a1b47563"><div class="ttname"><a href="classParticle.html#aedcc7e1bc53b0e2b1a4a07c9a1b47563">Particle::m</a></div><div class="ttdeci">double m</div><div class="ttdoc">Mass.</div><div class="ttdef"><b>Definition:</b> <a href="Particle_8hpp_source.html#l00024">Particle.hpp:24</a></div></div>
<div class="ttc" id="aclassParticle_html_af9497cd8f2dcad0fad54f571ddb383e6"><div class="ttname"><a href="classParticle.html#af9497cd8f2dcad0fad54f571ddb383e6">Particle::r_vec</a></div><div class="ttdeci">vec_3d r_vec</div><div class="ttdoc">position</div><div class="ttdef"><b>Definition:</b> <a href="Particle_8hpp_source.html#l00025">Particle.hpp:25</a></div></div>
<div class="ttc" id="aclassPenningTrap_html"><div class="ttname"><a href="classPenningTrap.html">PenningTrap</a></div><div class="ttdoc">A class that simulates a Penning trap.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00031">PenningTrap.hpp:31</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a0112525d9e79a472e761f8ef402a339f"><div class="ttname"><a href="classPenningTrap.html#a0112525d9e79a472e761f8ef402a339f">PenningTrap::particles</a></div><div class="ttdeci">std::vector&lt; Particle &gt; particles</div><div class="ttdoc">The particles in the Penning trap.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00037">PenningTrap.hpp:37</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a0194be61c956a9259c747c23e4163c5b"><div class="ttname"><a href="classPenningTrap.html#a0194be61c956a9259c747c23e4163c5b">PenningTrap::fraction_of_particles_left</a></div><div class="ttdeci">double fraction_of_particles_left(double time, unsigned int steps, std::string method=&quot;rk4&quot;, bool particle_interaction=true)</div><div class="ttdoc">Simulate and calculate what fraction of particles are still left inside the Penning trap after the si...</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00281">PenningTrap.cpp:281</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a0cac3509aa96e71a26d3b2c902e27716"><div class="ttname"><a href="classPenningTrap.html#a0cac3509aa96e71a26d3b2c902e27716">PenningTrap::B_0</a></div><div class="ttdeci">double B_0</div><div class="ttdoc">Magnetic field strength.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00033">PenningTrap.hpp:33</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a1d58feaa2c9e34cbf26b1c5ed75ca9d9"><div class="ttname"><a href="classPenningTrap.html#a1d58feaa2c9e34cbf26b1c5ed75ca9d9">PenningTrap::external_E_field</a></div><div class="ttdeci">vec_3d external_E_field(vec_3d r)</div><div class="ttdoc">Calculate E at point r.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00084">PenningTrap.cpp:84</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a1f668c4433421136ad51741741aa1bc8"><div class="ttname"><a href="classPenningTrap.html#a1f668c4433421136ad51741741aa1bc8">PenningTrap::total_force</a></div><div class="ttdeci">vec_3d total_force(unsigned int i)</div><div class="ttdoc">calculate the total force on a particle p_i.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00140">PenningTrap.cpp:140</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a2f168622587709b9e3c49077f0b9a640"><div class="ttname"><a href="classPenningTrap.html#a2f168622587709b9e3c49077f0b9a640">PenningTrap::k_r</a></div><div class="ttdeci">sim_arr k_r</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00040">PenningTrap.hpp:40</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a36946152fd951b1f7c346c51ff900d8e"><div class="ttname"><a href="classPenningTrap.html#a36946152fd951b1f7c346c51ff900d8e">PenningTrap::evolve_RK4</a></div><div class="ttdeci">void evolve_RK4(double dt, bool particle_interaction=true)</div><div class="ttdoc">Go forward one timestep using the RK4 method.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00148">PenningTrap.cpp:148</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a43e74792ab4b3f9299f35cb64bdb2648"><div class="ttname"><a href="classPenningTrap.html#a43e74792ab4b3f9299f35cb64bdb2648">PenningTrap::r_func</a></div><div class="ttdeci">vec_3d r_func(unsigned int i, unsigned int j, double dt)</div><div class="ttdoc">Helper for evolve_RK4 when calculating values.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00061">PenningTrap.cpp:61</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a46a954a0946def199e30fb300ba1c47b"><div class="ttname"><a href="classPenningTrap.html#a46a954a0946def199e30fb300ba1c47b">PenningTrap::total_force_particles</a></div><div class="ttdeci">vec_3d total_force_particles(unsigned int i)</div><div class="ttdoc">Calculate the total force on a particle p_i from other particles.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00123">PenningTrap.cpp:123</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a66dfe89c68716b9502927b97f59c27d2"><div class="ttname"><a href="classPenningTrap.html#a66dfe89c68716b9502927b97f59c27d2">PenningTrap::d</a></div><div class="ttdeci">double d</div><div class="ttdoc">Characteristic dimension.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00035">PenningTrap.hpp:35</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a6e9776ff5b149f01080800716455d7c8"><div class="ttname"><a href="classPenningTrap.html#a6e9776ff5b149f01080800716455d7c8">PenningTrap::add_particle</a></div><div class="ttdeci">void add_particle(Particle particle)</div><div class="ttdoc">Add a particle to the system.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00079">PenningTrap.cpp:79</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a8ca4e21291f60fde619c14099d8c4e8e"><div class="ttname"><a href="classPenningTrap.html#a8ca4e21291f60fde619c14099d8c4e8e">PenningTrap::t</a></div><div class="ttdeci">double t</div><div class="ttdoc">Current time.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00036">PenningTrap.hpp:36</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_a9ae34ad740a230e667e96bc6ee8730ce"><div class="ttname"><a href="classPenningTrap.html#a9ae34ad740a230e667e96bc6ee8730ce">PenningTrap::force_on_particle</a></div><div class="ttdeci">vec_3d force_on_particle(unsigned int i, unsigned int j)</div><div class="ttdoc">Calculate the force between 2 particles.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00097">PenningTrap.cpp:97</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_aaf105828121c4a33cc2b217453c20317"><div class="ttname"><a href="classPenningTrap.html#aaf105828121c4a33cc2b217453c20317">PenningTrap::V_0</a></div><div class="ttdeci">std::function&lt; double(double)&gt; V_0</div><div class="ttdoc">Applied potential.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00034">PenningTrap.hpp:34</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_ab9ea97a406534bbe621a95215144875e"><div class="ttname"><a href="classPenningTrap.html#ab9ea97a406534bbe621a95215144875e">PenningTrap::evolve_forward_euler</a></div><div class="ttdeci">void evolve_forward_euler(double dt, bool particle_interaction=true)</div><div class="ttdoc">Go forward one timestep using the forward Euler method.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00183">PenningTrap.cpp:183</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_abbb832a85139b1a56ebde57d7b8f9a57"><div class="ttname"><a href="classPenningTrap.html#abbb832a85139b1a56ebde57d7b8f9a57">PenningTrap::write_simulation_to_dir</a></div><div class="ttdeci">void write_simulation_to_dir(std::string path, double time, unsigned int steps, std::string method=&quot;rk4&quot;, bool particle_interaction=true)</div><div class="ttdoc">Simulate and write the displacement of all particles to files.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00246">PenningTrap.cpp:246</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_acbf065c9c125682329ad82a8d166554c"><div class="ttname"><a href="classPenningTrap.html#acbf065c9c125682329ad82a8d166554c">PenningTrap::external_B_field</a></div><div class="ttdeci">vec_3d external_B_field(vec_3d r)</div><div class="ttdoc">Calculate B at point r.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00092">PenningTrap.cpp:92</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_ae09ef9cfa7e4ed1c108c8576405b3599"><div class="ttname"><a href="classPenningTrap.html#ae09ef9cfa7e4ed1c108c8576405b3599">PenningTrap::simulate</a></div><div class="ttdeci">simulation_t simulate(double time, unsigned int steps, std::string method=&quot;rk4&quot;, bool particle_interaction=true)</div><div class="ttdoc">Simulate the particle system inside the Penning trap over a certain amount of time.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00212">PenningTrap.cpp:212</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_ae670d7de621acdb343b01af098086f63"><div class="ttname"><a href="classPenningTrap.html#ae670d7de621acdb343b01af098086f63">PenningTrap::PenningTrap</a></div><div class="ttdeci">PenningTrap(double B_0=T, std::function&lt; double(double)&gt; V_0=[](double t) { return 25. *V/1000.;}, double d=500., double t=0.)</div><div class="ttdoc">Constructor for the PenningTrap class.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00015">PenningTrap.cpp:15</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_ae72d203b0bfa1b9e72bea28cb2863c56"><div class="ttname"><a href="classPenningTrap.html#ae72d203b0bfa1b9e72bea28cb2863c56">PenningTrap::total_force_external</a></div><div class="ttdeci">vec_3d total_force_external(unsigned int i)</div><div class="ttdoc">Calculate the total external force on a particle.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00108">PenningTrap.cpp:108</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_ae9b5afdaa5cd366e94bd294452a1eed4"><div class="ttname"><a href="classPenningTrap.html#ae9b5afdaa5cd366e94bd294452a1eed4">PenningTrap::k_v</a></div><div class="ttdeci">sim_arr k_v</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8hpp_source.html#l00038">PenningTrap.hpp:38</a></div></div>
<div class="ttc" id="aclassPenningTrap_html_af98a720da60b0e1a62aefa5f5cb37c1e"><div class="ttname"><a href="classPenningTrap.html#af98a720da60b0e1a62aefa5f5cb37c1e">PenningTrap::v_func</a></div><div class="ttdeci">vec_3d v_func(unsigned int i, unsigned int j, double dt)</div><div class="ttdoc">Helper for evolve_RK4 when calculating values.</div><div class="ttdef"><b>Definition:</b> <a href="PenningTrap_8cpp_source.html#l00043">PenningTrap.cpp:43</a></div></div>
<div class="ttc" id="aconstants_8hpp_html_a4e451456ad7e9276ed0afa42826e7ccb"><div class="ttname"><a href="constants_8hpp.html#a4e451456ad7e9276ed0afa42826e7ccb">K_E</a></div><div class="ttdeci">#define K_E</div><div class="ttdoc">Coulomb constant. unit: .</div><div class="ttdef"><b>Definition:</b> <a href="constants_8hpp_source.html#l00015">constants.hpp:15</a></div></div>
<div class="ttc" id="astructsimulation_html"><div class="ttname"><a href="structsimulation.html">simulation</a></div><div class="ttdoc">Typedef for PenningTrap::simulation return value.</div><div class="ttdef"><b>Definition:</b> <a href="typedefs_8hpp_source.html#l00040">typedefs.hpp:40</a></div></div>
<div class="ttc" id="atypedefs_8hpp_html_a7c2dfa854274262c4e00e4ef0ab2ce23"><div class="ttname"><a href="typedefs_8hpp.html#a7c2dfa854274262c4e00e4ef0ab2ce23">sim_cols</a></div><div class="ttdeci">std::vector&lt; arma::vec::fixed&lt; 3 &gt; &gt; sim_cols</div><div class="ttdoc">Typedef for the column of the result vector from simulating particles.</div><div class="ttdef"><b>Definition:</b> <a href="typedefs_8hpp_source.html#l00024">typedefs.hpp:24</a></div></div>
<div class="ttc" id="atypedefs_8hpp_html_a9f33f4962c8fb62cc5ccd0e4e039a8df"><div class="ttname"><a href="typedefs_8hpp.html#a9f33f4962c8fb62cc5ccd0e4e039a8df">vec_3d</a></div><div class="ttdeci">arma::vec::fixed&lt; 3 &gt; vec_3d</div><div class="ttdoc">Typedef for a fixed 3d arma vector.</div><div class="ttdef"><b>Definition:</b> <a href="typedefs_8hpp_source.html#l00036">typedefs.hpp:36</a></div></div>
<div class="ttc" id="atypedefs_8hpp_html_aec69d34220fff45de238b9e01f2686af"><div class="ttname"><a href="typedefs_8hpp.html#aec69d34220fff45de238b9e01f2686af">sim_arr</a></div><div class="ttdeci">std::vector&lt; sim_cols &gt; sim_arr</div><div class="ttdoc">Typedef for the result of the simulate method.</div><div class="ttdef"><b>Definition:</b> <a href="typedefs_8hpp_source.html#l00032">typedefs.hpp:32</a></div></div>
<div class="ttc" id="autils_8hpp_html_a6fdd7217b750aff5b6295ece7cbdeffa"><div class="ttname"><a href="utils_8hpp.html#a6fdd7217b750aff5b6295ece7cbdeffa">mkpath</a></div><div class="ttdeci">bool mkpath(std::string path, int mode=0777)</div><div class="ttdoc">Make path given.</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00074">utils.cpp:74</a></div></div>
<div class="ttc" id="autils_8hpp_html_adfb618b2fdff47ef30a4a2b62c04f384"><div class="ttname"><a href="utils_8hpp.html#adfb618b2fdff47ef30a4a2b62c04f384">scientific_format</a></div><div class="ttdeci">std::string scientific_format(double d, int width=20, int prec=10)</div><div class="ttdoc">Turns a double into a string written in scientific format.</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00015">utils.cpp:15</a></div></div>
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