280 lines
35 KiB
HTML
280 lines
35 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
|
|
<meta name="generator" content="Doxygen 1.9.6"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>2 Dimensional Ising Model: src/test_suite.cpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<script type="text/x-mathjax-config">
|
|
MathJax.Hub.Config({
|
|
extensions: ["tex2jax.js"],
|
|
jax: ["input/TeX","output/HTML-CSS"],
|
|
});
|
|
</script>
|
|
<script type="text/javascript" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr id="projectrow">
|
|
<td id="projectalign">
|
|
<div id="projectname">2 Dimensional Ising Model
|
|
</div>
|
|
<div id="projectbrief">Simulate the change in energy and magnetization in a ferro magnet</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.9.6 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
var searchBox = new SearchBox("searchBox", "search/",'.html');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */
|
|
</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(document).ready(function(){initNavTree('test__suite_8cpp_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<div id="MSearchResults">
|
|
<div class="SRPage">
|
|
<div id="SRIndex">
|
|
<div id="SRResults"></div>
|
|
<div class="SRStatus" id="Loading">Loading...</div>
|
|
<div class="SRStatus" id="Searching">Searching...</div>
|
|
<div class="SRStatus" id="NoMatches">No Matches</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle"><div class="title">test_suite.cpp</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="test__suite_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="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include "<a class="code" href="IsingModel_8hpp.html">IsingModel.hpp</a>"</span></div>
|
|
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include "<a class="code" href="testlib_8hpp.html">testlib.hpp</a>"</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"> 15</span><span class="preprocessor">#include <fstream></span></div>
|
|
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
|
|
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#define EPS_2 (-2 * std::sinh(8.)) / (std::cosh(8.) + 3)</span></div>
|
|
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
|
|
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#define MAG_2 (std::exp(8.) + 1) / (2 * (cosh(8.) + 3))</span></div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
|
|
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define CV_2 \</span></div>
|
|
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor"> 16 * (3 * std::cosh(8.) + 1) / ((std::cosh(8.) + 3) * (std::cosh(8.) + 3))</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"> 24</span><span class="preprocessor">#define X_2 \</span></div>
|
|
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor"> (3 * std::exp(8.) + std::exp(-8.) + 3) \</span></div>
|
|
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor"> / ((std::cosh(8.) + 3) * (std::cosh(8.) + 3))</span></div>
|
|
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
|
|
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classIsingModelTest.html"> 30</a></span><span class="keyword">class </span><a class="code hl_class" href="classIsingModelTest.html">IsingModelTest</a> {</div>
|
|
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classIsingModelTest.html#a717e5852ca51432a61fb6ed38da37931"> 34</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classIsingModelTest.html#a717e5852ca51432a61fb6ed38da37931">test_init_functions</a>()</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"> 36</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> test;</div>
|
|
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> test.<a class="code hl_variable" href="classIsingModel.html#a2b8ac43baefeb386186266d5aa4de348">L</a> = 3;</div>
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> test.<a class="code hl_variable" href="classIsingModel.html#a20fc4c0c99d8a119f70a1614784d4e5c">T</a> = 1.;</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> <span class="comment">// Test that initializing the lattice only yields 1s and -1s.</span></div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> test.<a class="code hl_function" href="classIsingModel.html#a34a4710949b4a70f3e37ca223aefcf8a">initialize_lattice</a>();</div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> std::function<bool(<span class="keywordtype">int</span>)> f = [](<span class="keywordtype">int</span> x) { <span class="keywordflow">return</span> x == 1 || x == -1; };</div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_define" href="testlib_8hpp.html#a73d4f21ad937dbc50a0c0538c78fd4f9">ASSERT</a>(testlib::assert_each(f, test.<a class="code hl_variable" href="classIsingModel.html#a2c3c76c79717c968d7c227c58b46df41">lattice</a>),</div>
|
|
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="stringliteral">"Test lattice initialization."</span>);</div>
|
|
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
|
|
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> test.<a class="code hl_function" href="classIsingModel.html#a6776109105051597c275670dabd0054a">initialize_neighbors</a>();</div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> arma::Mat<int> neighbor_matrix(<span class="stringliteral">"2, 1 ; 0, 2 ; 1, 0"</span>);</div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_define" href="testlib_8hpp.html#a73d4f21ad937dbc50a0c0538c78fd4f9">ASSERT</a>(testlib::is_equal(neighbor_matrix, test.<a class="code hl_variable" href="classIsingModel.html#a94093aaf30facca62737f2ac381fdbcd">neighbors</a>),</div>
|
|
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="stringliteral">"Test neighbor matrix."</span>);</div>
|
|
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
|
|
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// Fill the lattice with 1s to be able to test the next functions.</span></div>
|
|
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> test.<a class="code hl_variable" href="classIsingModel.html#a2c3c76c79717c968d7c227c58b46df41">lattice</a>.fill(1);</div>
|
|
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
|
|
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// Test the initial magnetization.</span></div>
|
|
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> test.<a class="code hl_function" href="classIsingModel.html#a926cf4964d190d2ce23e5a17201787a4">initialize_magnetization</a>();</div>
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_define" href="testlib_8hpp.html#a73d4f21ad937dbc50a0c0538c78fd4f9">ASSERT</a>(std::fabs(test.<a class="code hl_variable" href="classIsingModel.html#a0d373a61baca6b0faa607bb12d82cc47">M</a> - 9.) < 1e-8, <span class="stringliteral">"Test intial magnetization"</span>);</div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// Test that the initial energy is correct</span></div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> test.<a class="code hl_function" href="classIsingModel.html#a59fced38c695e2fa647f53be81b9d2a1">initialize_energy</a>();</div>
|
|
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_define" href="testlib_8hpp.html#a73d4f21ad937dbc50a0c0538c78fd4f9">ASSERT</a>(std::fabs(test.<a class="code hl_variable" href="classIsingModel.html#ae9f872ca2054992161d53306119979dd">E</a> - (-18)) < 1e-8, <span class="stringliteral">"Test initial energy."</span>);</div>
|
|
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
|
|
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classIsingModelTest.html#a4ace7013fa2d257ad1747961da6bc4de"> 70</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classIsingModelTest.html#a4ace7013fa2d257ad1747961da6bc4de">test_2x2_lattice</a>(<span class="keywordtype">double</span> tol, <span class="keywordtype">int</span> max_cycles)</div>
|
|
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> {</div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <a class="code hl_class" href="classdata__t.html">data_t</a> data, tmp;</div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">size_t</span> L = 2;</div>
|
|
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">size_t</span> n_spins = L * L;</div>
|
|
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordtype">double</span> T = 1.;</div>
|
|
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">size_t</span> cycles = 0;</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> <span class="comment">// Create random engine using the mersenne twister</span></div>
|
|
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> std::random_device rd;</div>
|
|
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> std::mt19937 engine(rd());</div>
|
|
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
|
|
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <a class="code hl_class" href="classIsingModel.html">IsingModel</a> test(L, T);</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"> 84</span> <span class="keywordtype">int</span> arr[]{0, 0, 0, 0};</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> <span class="comment">// Loop through cycles</span></div>
|
|
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">//std::ofstream ofile;</span></div>
|
|
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">//ofile.open("output/test_2x2.txt");</span></div>
|
|
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">while</span> (cycles++ < max_cycles) {</div>
|
|
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> data += test.<a class="code hl_function" href="classIsingModel.html#a56559d68dc9aaff1976d84b157f43488">Metropolis</a>();</div>
|
|
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> tmp = data / cycles;</div>
|
|
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">//ofile << cycles << ',' << tmp.E / n_spins << ','</span></div>
|
|
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">//<< tmp.M_abs / n_spins << ','</span></div>
|
|
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">//<< (tmp.E2 - tmp.E * tmp.E) / (T * T) / n_spins << ','</span></div>
|
|
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">//<< (tmp.M2 - tmp.M_abs * tmp.M_abs) / T / n_spins << '\n';</span></div>
|
|
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (testlib::close_to(EPS_2, tmp.E / n_spins, tol)</div>
|
|
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> && testlib::close_to(MAG_2, tmp.M_abs / n_spins, tol)</div>
|
|
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> && testlib::close_to(CV_2, (tmp.E2 - tmp.E * tmp.E) / (T * T)</div>
|
|
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> / n_spins, tol)</div>
|
|
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> && testlib::close_to(X_2, (tmp.M2 - tmp.M_abs * tmp.M_abs) / T</div>
|
|
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> / n_spins, tol)) {</div>
|
|
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> cycles;</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> }</div>
|
|
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">//std::cout << EPS_2 << ',' << MAG_2 << ',' << CV_2 << ',' << X_2</span></div>
|
|
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">//<< std::endl;</span></div>
|
|
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">//ofile.close();</span></div>
|
|
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// cycles = 0;</span></div>
|
|
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// data = 0;</span></div>
|
|
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// IsingModel test_mag(L, T);</span></div>
|
|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// while (cycles++ < max_cycles) {</span></div>
|
|
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// data += test.Metropolis();</span></div>
|
|
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// tmp = data / (cycles * n_spins);</span></div>
|
|
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// if (testlib::close_to(MAG_2, tmp.M, tol)) {</span></div>
|
|
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// arr[1] = cycles;</span></div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// break;</span></div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// cycles = 0;</span></div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// data = 0;</span></div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// IsingModel test_CV(L, T);</span></div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// while (cycles++ < max_cycles) {</span></div>
|
|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// data += test.Metropolis();</span></div>
|
|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// tmp = data / (cycles * n_spins);</span></div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// if (testlib::close_to(CV_2, (tmp.E2 - tmp.E * tmp.E) / (T * T),</span></div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// tol)) {</span></div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// arr[2] = cycles;</span></div>
|
|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// break;</span></div>
|
|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// cycles = 0;</span></div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// data = 0;</span></div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// IsingModel test_X(L, T);</span></div>
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// while (cycles++ < max_cycles) {</span></div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// data += test.Metropolis();</span></div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// tmp = data / (cycles * n_spins);</span></div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// if (testlib::close_to(X_2, (tmp.M2 - tmp.M_abs * tmp.M_abs) / T,</span></div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// tol)) {</span></div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// arr[3] = cycles;</span></div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// break;</span></div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">//}</span></div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> 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>};</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="test__suite_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 148</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="test__suite_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>()</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> <a class="code hl_class" href="classIsingModelTest.html">IsingModelTest</a> test;</div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> test.<a class="code hl_function" href="classIsingModelTest.html#a717e5852ca51432a61fb6ed38da37931">test_init_functions</a>();</div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">int</span> res = 0;</div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">int</span> tmp;</div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i < 1000; i++) {</div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> tmp = test.<a class="code hl_function" href="classIsingModelTest.html#a4ace7013fa2d257ad1747961da6bc4de">test_2x2_lattice</a>(1e-2, 1e5);</div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">if</span> (tmp == 0) {</div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> std::cout << <span class="stringliteral">"not enough cycles\n"</span>;</div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">break</span>;</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> res += tmp;</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> std::cout << <span class="stringliteral">"Res: "</span> << res / 1000 << std::endl;</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> 0;</div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span>}</div>
|
|
<div class="ttc" id="aIsingModel_8hpp_html"><div class="ttname"><a href="IsingModel_8hpp.html">IsingModel.hpp</a></div><div class="ttdoc">The definition of the Ising model.</div></div>
|
|
<div class="ttc" id="aclassIsingModelTest_html"><div class="ttname"><a href="classIsingModelTest.html">IsingModelTest</a></div><div class="ttdoc">Test class for the Ising model.</div><div class="ttdef"><b>Definition:</b> <a href="test__suite_8cpp_source.html#l00030">test_suite.cpp:30</a></div></div>
|
|
<div class="ttc" id="aclassIsingModelTest_html_a4ace7013fa2d257ad1747961da6bc4de"><div class="ttname"><a href="classIsingModelTest.html#a4ace7013fa2d257ad1747961da6bc4de">IsingModelTest::test_2x2_lattice</a></div><div class="ttdeci">int test_2x2_lattice(double tol, int max_cycles)</div><div class="ttdoc">Test numerical data with analytical data.</div><div class="ttdef"><b>Definition:</b> <a href="test__suite_8cpp_source.html#l00070">test_suite.cpp:70</a></div></div>
|
|
<div class="ttc" id="aclassIsingModelTest_html_a717e5852ca51432a61fb6ed38da37931"><div class="ttname"><a href="classIsingModelTest.html#a717e5852ca51432a61fb6ed38da37931">IsingModelTest::test_init_functions</a></div><div class="ttdeci">void test_init_functions()</div><div class="ttdoc">Test That initializing works as intended.</div><div class="ttdef"><b>Definition:</b> <a href="test__suite_8cpp_source.html#l00034">test_suite.cpp:34</a></div></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#l00037">IsingModel.hpp:37</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a0d373a61baca6b0faa607bb12d82cc47"><div class="ttname"><a href="classIsingModel.html#a0d373a61baca6b0faa607bb12d82cc47">IsingModel::M</a></div><div class="ttdeci">int M</div><div class="ttdoc">The current magnetic strength. unit: Unitless.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00072">IsingModel.hpp:72</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a20fc4c0c99d8a119f70a1614784d4e5c"><div class="ttname"><a href="classIsingModel.html#a20fc4c0c99d8a119f70a1614784d4e5c">IsingModel::T</a></div><div class="ttdeci">double T</div><div class="ttdoc">The temperature of the model.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00060">IsingModel.hpp:60</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a2b8ac43baefeb386186266d5aa4de348"><div class="ttname"><a href="classIsingModel.html#a2b8ac43baefeb386186266d5aa4de348">IsingModel::L</a></div><div class="ttdeci">int L</div><div class="ttdoc">Size of the lattice.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00064">IsingModel.hpp:64</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a2c3c76c79717c968d7c227c58b46df41"><div class="ttname"><a href="classIsingModel.html#a2c3c76c79717c968d7c227c58b46df41">IsingModel::lattice</a></div><div class="ttdeci">arma::Mat< int > lattice</div><div class="ttdoc">matrix where element .</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00042">IsingModel.hpp:42</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a34a4710949b4a70f3e37ca223aefcf8a"><div class="ttname"><a href="classIsingModel.html#a34a4710949b4a70f3e37ca223aefcf8a">IsingModel::initialize_lattice</a></div><div class="ttdeci">void initialize_lattice()</div><div class="ttdoc">Initialize the lattice with a random distribution of 1s and -1s.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00044">IsingModel.cpp:44</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#l00096">IsingModel.cpp:96</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a59fced38c695e2fa647f53be81b9d2a1"><div class="ttname"><a href="classIsingModel.html#a59fced38c695e2fa647f53be81b9d2a1">IsingModel::initialize_energy</a></div><div class="ttdeci">void initialize_energy()</div><div class="ttdoc">Initialize the energy.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00082">IsingModel.cpp:82</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a6776109105051597c275670dabd0054a"><div class="ttname"><a href="classIsingModel.html#a6776109105051597c275670dabd0054a">IsingModel::initialize_neighbors</a></div><div class="ttdeci">void initialize_neighbors()</div><div class="ttdoc">initialize the neighbors matrix.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00056">IsingModel.cpp:56</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a926cf4964d190d2ce23e5a17201787a4"><div class="ttname"><a href="classIsingModel.html#a926cf4964d190d2ce23e5a17201787a4">IsingModel::initialize_magnetization</a></div><div class="ttdeci">void initialize_magnetization()</div><div class="ttdoc">Initialize the magnetization.</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8cpp_source.html#l00074">IsingModel.cpp:74</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_a94093aaf30facca62737f2ac381fdbcd"><div class="ttname"><a href="classIsingModel.html#a94093aaf30facca62737f2ac381fdbcd">IsingModel::neighbors</a></div><div class="ttdeci">arma::Mat< int > neighbors</div><div class="ttdoc">matrix with the neighbors of each element .</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00052">IsingModel.hpp:52</a></div></div>
|
|
<div class="ttc" id="aclassIsingModel_html_ae9f872ca2054992161d53306119979dd"><div class="ttname"><a href="classIsingModel.html#ae9f872ca2054992161d53306119979dd">IsingModel::E</a></div><div class="ttdeci">int E</div><div class="ttdoc">The current energy state. unit: .</div><div class="ttdef"><b>Definition:</b> <a href="IsingModel_8hpp_source.html#l00068">IsingModel.hpp:68</a></div></div>
|
|
<div class="ttc" id="aclassdata__t_html"><div class="ttname"><a href="classdata__t.html">data_t</a></div><div class="ttdef"><b>Definition:</b> <a href="data__type_8hpp_source.html#l00018">data_type.hpp:18</a></div></div>
|
|
<div class="ttc" id="atest__suite_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="test__suite_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">The main function.</div><div class="ttdef"><b>Definition:</b> <a href="test__suite_8cpp_source.html#l00148">test_suite.cpp:148</a></div></div>
|
|
<div class="ttc" id="atestlib_8hpp_html"><div class="ttname"><a href="testlib_8hpp.html">testlib.hpp</a></div><div class="ttdoc">A small test library.</div></div>
|
|
<div class="ttc" id="atestlib_8hpp_html_a73d4f21ad937dbc50a0c0538c78fd4f9"><div class="ttname"><a href="testlib_8hpp.html#a73d4f21ad937dbc50a0c0538c78fd4f9">ASSERT</a></div><div class="ttdeci">#define ASSERT(expr, msg)</div><div class="ttdoc">A prettier assertion function.</div><div class="ttdef"><b>Definition:</b> <a href="testlib_8hpp_source.html#l00031">testlib.hpp:31</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="test__suite_8cpp.html">test_suite.cpp</a></li>
|
|
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.6 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|