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<a href="monte__carlo_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><span class="comment">/** @file monte_carlo.cpp</span></div>
<div class="line"><span class="lineno"> 2</span><span class="comment"> *</span></div>
<div class="line"><span class="lineno"> 3</span><span class="comment"> * @author Cory Alexander Balaton (coryab)</span></div>
<div class="line"><span class="lineno"> 4</span><span class="comment"> * @author Janita Ovidie Sandtrøen Willumsen (janitaws)</span></div>
<div class="line"><span class="lineno"> 5</span><span class="comment"> *</span></div>
<div class="line"><span class="lineno"> 6</span><span class="comment"> * @version 1.0</span></div>
<div class="line"><span class="lineno"> 7</span><span class="comment"> *</span></div>
<div class="line"><span class="lineno"> 8</span><span class="comment"> * @brief Implementation of the monte carlo functions</span></div>
<div class="line"><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><span class="lineno"> 10</span><span class="comment"> * @bug No known bugs</span></div>
<div class="line"><span class="lineno"> 11</span><span class="comment"> * */</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="monte__carlo_8hpp.html" title="Functions for Monte Carlo simulations.">&quot;monte_carlo.hpp&quot;</a></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">namespace</span> montecarlo {</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"><a class="line" href="monte__carlo_8hpp.html#a781d946de16211ba18ad6671a5b6838d"> 15</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="monte__carlo_8hpp.html#a781d946de16211ba18ad6671a5b6838d">progression</a>(<span class="keywordtype">double</span> T, <span class="keywordtype">int</span> L, <span class="keywordtype">int</span> cycles, <span class="keyword">const</span> std::string filename,</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">int</span> burn_in_time)</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> <span class="comment">// Set some variables</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data, tmp;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordtype">int</span> n_spins = L * L;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// File stuff</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> std::string directory = utils<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">::</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">dirname</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">(</a>filename<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">)</a>;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> std::ofstream ofile;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Create random engine using the mersenne twister</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> std::random_device rd;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> uint32_t rd_sample = rd();</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> std::mt19937 engine(rd_sample);</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Seed: &quot;</span> &lt;&lt; rd_sample &lt;&lt; std::endl;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> ising<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">(</a>L<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">,</a> T<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">)</a>;</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> <span class="comment">// Create path and open file</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> utils<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">::</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">mkpath</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">(</a>directory<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">)</a>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> ofile.open(filename);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; burn_in_time; i++) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</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"> 43</span> <span class="comment">// Loop through cycles</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">for</span> (size_t i = 1; i &lt;= cycles; i++) {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> data <a class="code hl_function" href="classdata__t.html#a6cb96b4ff750ab29041038ca53f307cb">+=</a> ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> tmp = data / (i * n_spins);</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> ofile &lt;&lt; i &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">.</a><a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">E2</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">.</a><a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">M</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">.</a><a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">M2</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a> &lt;&lt; <span class="stringliteral">&#39;\n&#39;</span>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> ofile.close();</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>}</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="monte__carlo_8hpp.html#a1549fc386bd3cdd1cdbe0261b9dd8415"> 53</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="monte__carlo_8hpp.html#a1549fc386bd3cdd1cdbe0261b9dd8415">progression</a>(<span class="keywordtype">double</span> T, <span class="keywordtype">int</span> L, <span class="keywordtype">int</span> cycles, <span class="keywordtype">int</span> value,</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">const</span> std::string filename, <span class="keywordtype">int</span> burn_in_time)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>{</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Set some variables</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data, tmp;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">int</span> n_spins = L * L;</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> <span class="comment">// File stuff</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> std::string directory = utils<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">::</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">dirname</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">(</a>filename<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">)</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> std::ofstream ofile;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Create random engine using the mersenne twister</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> std::random_device rd;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> uint32_t rd_sample = rd();</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> std::mt19937 engine(rd());</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Seed: &quot;</span> &lt;&lt; rd_sample &lt;&lt; std::endl;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> ising<a class="code hl_function" href="classIsingModel.html#a46c9446e94854452f715d307c77c1c15">(</a>L<a class="code hl_function" href="classIsingModel.html#a46c9446e94854452f715d307c77c1c15">,</a> T<a class="code hl_function" href="classIsingModel.html#a46c9446e94854452f715d307c77c1c15">,</a> value<a class="code hl_function" href="classIsingModel.html#a46c9446e94854452f715d307c77c1c15">)</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; burn_in_time; i++) {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</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> <span class="comment">// Create path and open file</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> utils<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">::</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">mkpath</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">(</a>directory<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">)</a>;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> ofile.open(filename);</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> <span class="comment">// Loop through cycles</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span> (size_t i = 1; i &lt;= cycles; i++) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> data <a class="code hl_function" href="classdata__t.html#a6cb96b4ff750ab29041038ca53f307cb">+=</a> ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> tmp = data / (i * n_spins);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> ofile &lt;&lt; i &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">.</a><a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">E2</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">.</a><a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">M</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">.</a><a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">M2</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; tmp<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a> &lt;&lt; <span class="stringliteral">&#39;\n&#39;</span>;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> ofile.close();</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span>}</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"><a class="line" href="monte__carlo_8hpp.html#aea2dd1b5fac7c45633bc6f8dc4541226"> 91</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="monte__carlo_8hpp.html#aea2dd1b5fac7c45633bc6f8dc4541226">pd_estimate</a>(<span class="keywordtype">double</span> T, <span class="keywordtype">int</span> L, <span class="keywordtype">int</span> cycles, <span class="keyword">const</span> std::string filename,</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">int</span> burn_in_time)</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="comment">// Set some variables</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data, tmp;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">int</span> n_spins = L * L;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// File stuff</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> std::string directory = utils<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">::</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">dirname</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">(</a>filename<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">)</a>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> std::ofstream ofile;</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> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> ising<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">(</a>L<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">,</a> T<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">)</a>;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; burn_in_time; i++) {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</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"> 108</span> <span class="comment">// Create path and open file</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> utils<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">::</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">mkpath</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">(</a>directory<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">)</a>;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> ofile.open(filename);</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="comment">// Loop through cycles</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">for</span> (size_t i = 1; i &lt;= cycles; i++) {</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> data = ising<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a> / n_spins;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> ofile &lt;&lt; data<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; data<a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">.</a><a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">E2</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; data<a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">.</a><a class="code hl_variable" href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">M</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; data<a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">.</a><a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">M2</a></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span> &lt;&lt; data<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a> &lt;&lt; <span class="stringliteral">&#39;\n&#39;</span>;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> ofile.close();</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> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// Code for seeing phase transitions.</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="monte__carlo_8hpp.html#ae67483ff00d1b0594d543261c8283ffd"> 122</a></span><a class="code hl_class" href="classdata__t.html">data_t</a> <a class="code hl_function" href="monte__carlo_8hpp.html#ae67483ff00d1b0594d543261c8283ffd">mcmc_serial</a>(<span class="keywordtype">int</span> L, <span class="keywordtype">double</span> T, <span class="keywordtype">int</span> cycles, <span class="keywordtype">int</span> burn_in_time)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>{</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> model<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">(</a>L<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">,</a> T<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">)</a>;</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> <span class="keywordflow">for</span> (size_t i = 0; i &lt; burn_in_time; i++) {</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> model<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordtype">double</span> E, M;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; (uint)cycles; i++) {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> data <a class="code hl_function" href="classdata__t.html#a6cb96b4ff750ab29041038ca53f307cb">+=</a> model<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> }</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> <span class="keywordtype">double</span> norm = 1. / (<span class="keywordtype">double</span>)cycles;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">return</span> data * norm;</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"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"><a class="line" href="monte__carlo_8hpp.html#ae1e7f904ecfc3d8f3c4dd1ef155dd771"> 141</a></span><a class="code hl_class" href="classdata__t.html">data_t</a> <a class="code hl_function" href="monte__carlo_8hpp.html#ae1e7f904ecfc3d8f3c4dd1ef155dd771">mcmc_parallel</a>(<span class="keywordtype">int</span> L, <span class="keywordtype">double</span> T, <span class="keywordtype">int</span> cycles, <span class="keywordtype">int</span> burn_in_time)</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>{</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="preprocessor">#</span><span class="preprocessor">pragma</span> <span class="preprocessor">omp</span> <span class="preprocessor">parallel</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> {</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// Each thread creates an instance of IsingModel.</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> model<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">(</a>L<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">,</a> T<a class="code hl_function" href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">)</a>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// Each thread runs the Metropolis algorithm before starting to collect</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// samples</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; burn_in_time; i++) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> model<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</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> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// Now each thread work on one loop together, but using their own</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// instances of things, but the total of cycles add up.</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// static ensure that each thread gets the same amount of iterations</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="preprocessor">#</span><span class="preprocessor">pragma</span> <span class="preprocessor">omp</span> <span class="preprocessor">for</span> <span class="preprocessor">schedule</span><span class="preprocessor">(</span><span class="preprocessor">static</span><span class="preprocessor">)</span> <span class="preprocessor">reduction</span><span class="preprocessor">(</span><span class="preprocessor">+</span> <span class="preprocessor">:</span> <span class="preprocessor">data</span><span class="preprocessor">)</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; (uint)cycles; i++) {</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> data <a class="code hl_function" href="classdata__t.html#a6cb96b4ff750ab29041038ca53f307cb">+=</a> model<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">.</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">(</a><a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">)</a>;</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> }</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> <span class="keywordtype">double</span> norm = 1. / (<span class="keywordtype">double</span>)cycles;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">return</span> data * norm;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span>}</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"><a class="line" href="monte__carlo_8hpp.html#a34e9c3e24f26760693266b8a7b6b3d21"> 169</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="monte__carlo_8hpp.html#a34e9c3e24f26760693266b8a7b6b3d21">phase_transition</a>(<span class="keywordtype">int</span> L, <span class="keywordtype">double</span> start, <span class="keywordtype">double</span> end, <span class="keywordtype">int</span> points, <span class="keywordtype">int</span> cycles,</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> std::function&lt;<a class="code hl_class" href="classdata__t.html">data_t</a>(<span class="keywordtype">int</span>, <span class="keywordtype">double</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>)&gt; monte_carlo,</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> std::string outfile, <span class="keywordtype">int</span> burn_in_time)</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> <span class="keywordtype">double</span> dt = (end - start) / (<span class="keywordtype">double</span>)points;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">int</span> N = L * L;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> std::ofstream ofile;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> utils<a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">::</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">mkpath</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">(</a>utils<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">::</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">dirname</a><a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">(</a>outfile<a class="code hl_function" href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">)</a><a class="code hl_function" href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">)</a>;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> ofile.open(outfile);</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> <span class="keywordtype">double</span> temp, CV, X, E_var, M_var;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">using</span> utils::scientific_format;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">for</span> (size_t i = 0; i &lt; points; i++) {</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> temp = start + dt * i;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> data = monte_carlo(L, temp, cycles, burn_in_time);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> E_var = (data<a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">.</a><a class="code hl_variable" href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">E2</a> - data<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a> * data<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a>) / (<span class="keywordtype">double</span>)N;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> M_var = (data<a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">.</a><a class="code hl_variable" href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">M2</a> - data<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a> * data<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a>) / (<span class="keywordtype">double</span>)N;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> ofile &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">scientific_format</a><a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">(</a>temp<a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">)</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">scientific_format</a><a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">(</a>data<a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">.</a><a class="code hl_variable" href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">E</a> / (<span class="keywordtype">double</span>)N<a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">)</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">scientific_format</a><a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">(</a>data<a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">.</a><a class="code hl_variable" href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">M_abs</a> / N<a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">)</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">scientific_format</a><a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">(</a>E_var / (temp * temp)<a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">)</a> &lt;&lt; <span class="stringliteral">&#39;,&#39;</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> &lt;&lt; <a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">scientific_format</a><a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">(</a>M_var / temp<a class="code hl_function" href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">)</a> &lt;&lt; <span class="stringliteral">&#39;\n&#39;</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> ofile.close();</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>}</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span>} <span class="comment">// namespace montecarlo</span></div>
<div class="ttc" id="aclassIsingModel_html"><div class="ttname"><a href="classIsingModel.html">IsingModel</a></div><div class="ttdoc">The Ising model in 2 dimensions.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00036">IsingModel.hpp:36</a></div></div>
<div class="ttc" id="aclassIsingModel_html_a46c9446e94854452f715d307c77c1c15"><div class="ttname"><a href="classIsingModel.html#a46c9446e94854452f715d307c77c1c15">IsingModel::IsingModel</a></div><div class="ttdeci">IsingModel(int L, double T, int val)</div><div class="ttdoc">Constructor for the Ising model.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00031">IsingModel.cpp:31</a></div></div>
<div class="ttc" id="aclassIsingModel_html_a4a39ee7fbfbbf566f75bc28900ca9ea5"><div class="ttname"><a href="classIsingModel.html#a4a39ee7fbfbbf566f75bc28900ca9ea5">IsingModel::IsingModel</a></div><div class="ttdeci">IsingModel(int L, double T)</div><div class="ttdoc">Constructor for the Ising model.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00019">IsingModel.cpp:19</a></div></div>
<div class="ttc" id="aclassIsingModel_html_a56559d68dc9aaff1976d84b157f43488"><div class="ttname"><a href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">IsingModel::Metropolis</a></div><div class="ttdeci">data_t Metropolis()</div><div class="ttdoc">The Metropolis algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00110">IsingModel.cpp:110</a></div></div>
<div class="ttc" id="aclassdata__t_html"><div class="ttname"><a href="classdata__t.html">data_t</a></div><div class="ttdoc">Type to use with the IsingModel class and montecarlo module.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00019">data_type.hpp:19</a></div></div>
<div class="ttc" id="aclassdata__t_html_a586475e0f71322dffda2e75f228ab24b"><div class="ttname"><a href="classdata__t.html#a586475e0f71322dffda2e75f228ab24b">data_t::M_abs</a></div><div class="ttdeci">double M_abs</div><div class="ttdoc">Absolute Magnetization.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00025">data_type.hpp:25</a></div></div>
<div class="ttc" id="aclassdata__t_html_a6c1a196d96e177b11ca98c61fae35a2e"><div class="ttname"><a href="classdata__t.html#a6c1a196d96e177b11ca98c61fae35a2e">data_t::E</a></div><div class="ttdeci">double E</div><div class="ttdoc">Energy.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00021">data_type.hpp:21</a></div></div>
<div class="ttc" id="aclassdata__t_html_a6cb96b4ff750ab29041038ca53f307cb"><div class="ttname"><a href="classdata__t.html#a6cb96b4ff750ab29041038ca53f307cb">data_t::operator+=</a></div><div class="ttdeci">data_t &amp; operator+=(const data_t &amp;b)</div><div class="ttdoc">Overload of the addition equals operator.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00150">data_type.hpp:150</a></div></div>
<div class="ttc" id="aclassdata__t_html_a71ae3cd4460f2c66239500c11804e70b"><div class="ttname"><a href="classdata__t.html#a71ae3cd4460f2c66239500c11804e70b">data_t::M2</a></div><div class="ttdeci">double M2</div><div class="ttdoc">Magnetization squared.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00024">data_type.hpp:24</a></div></div>
<div class="ttc" id="aclassdata__t_html_abb622f9c6cc5ffb9dddb151d2e202f72"><div class="ttname"><a href="classdata__t.html#abb622f9c6cc5ffb9dddb151d2e202f72">data_t::E2</a></div><div class="ttdeci">double E2</div><div class="ttdoc">Energy squared.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00023">data_type.hpp:23</a></div></div>
<div class="ttc" id="aclassdata__t_html_ad08d2488bf913c626157471cf6e8a46a"><div class="ttname"><a href="classdata__t.html#ad08d2488bf913c626157471cf6e8a46a">data_t::M</a></div><div class="ttdeci">double M</div><div class="ttdoc">Magnetization.</div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00022">data_type.hpp:22</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_a1549fc386bd3cdd1cdbe0261b9dd8415"><div class="ttname"><a href="monte__carlo_8hpp.html#a1549fc386bd3cdd1cdbe0261b9dd8415">montecarlo::progression</a></div><div class="ttdeci">void progression(double T, int L, int cycles, int value, const std::string filename, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Write the expected values for each Monte Carlo cycles to file.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00053">monte_carlo.cpp:53</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_a34e9c3e24f26760693266b8a7b6b3d21"><div class="ttname"><a href="monte__carlo_8hpp.html#a34e9c3e24f26760693266b8a7b6b3d21">montecarlo::phase_transition</a></div><div class="ttdeci">void phase_transition(int L, double start_T, double end_T, int points_T, int cycles, std::function&lt; data_t(int, double, int, int)&gt; monte_carlo, std::string outfile, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Perform the MCMC algorithm using a range of temperatures.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00169">monte_carlo.cpp:169</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_a781d946de16211ba18ad6671a5b6838d"><div class="ttname"><a href="monte__carlo_8hpp.html#a781d946de16211ba18ad6671a5b6838d">montecarlo::progression</a></div><div class="ttdeci">void progression(double T, int L, int cycles, const std::string filename, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Write the expected values for each Monte Carlo cycles to file.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00015">monte_carlo.cpp:15</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_ae1e7f904ecfc3d8f3c4dd1ef155dd771"><div class="ttname"><a href="monte__carlo_8hpp.html#ae1e7f904ecfc3d8f3c4dd1ef155dd771">montecarlo::mcmc_parallel</a></div><div class="ttdeci">data_t mcmc_parallel(int L, double T, int cycles, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles in parallel.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00141">monte_carlo.cpp:141</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_ae67483ff00d1b0594d543261c8283ffd"><div class="ttname"><a href="monte__carlo_8hpp.html#ae67483ff00d1b0594d543261c8283ffd">montecarlo::mcmc_serial</a></div><div class="ttdeci">data_t mcmc_serial(int L, double T, int cycles, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00122">monte_carlo.cpp:122</a></div></div>
<div class="ttc" id="amonte__carlo_8hpp_html_aea2dd1b5fac7c45633bc6f8dc4541226"><div class="ttname"><a href="monte__carlo_8hpp.html#aea2dd1b5fac7c45633bc6f8dc4541226">montecarlo::pd_estimate</a></div><div class="ttdeci">void pd_estimate(double T, int L, int cycles, const std::string filename, int burn_in_time=BURN_IN_TIME)</div><div class="ttdoc">Estimate the probability distribution for the energy.</div><div class="ttdef"><b>Definition:</b> <a href="monte__carlo_8cpp_source.html#l00091">monte_carlo.cpp:91</a></div></div>
<div class="ttc" id="autils_8hpp_html_a2b45adc86b70f42021582994e83fa00d"><div class="ttname"><a href="utils_8hpp.html#a2b45adc86b70f42021582994e83fa00d">utils::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#l00032">utils.cpp:32</a></div></div>
<div class="ttc" id="autils_8hpp_html_a3529a74fd2a25d24de73d9d4e1c90835"><div class="ttname"><a href="utils_8hpp.html#a3529a74fd2a25d24de73d9d4e1c90835">utils::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#l00016">utils.cpp:16</a></div></div>
<div class="ttc" id="autils_8hpp_html_aed026119193a9bbe076671809ff0f430"><div class="ttname"><a href="utils_8hpp.html#aed026119193a9bbe076671809ff0f430">utils::dirname</a></div><div class="ttdeci">std::string dirname(const std::string &amp;path)</div><div class="ttdoc">Get the directory name of the path.</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00058">utils.cpp:58</a></div></div>
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