RandomPolicy.html 7.0 KB

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  68. <h1>Source code for macop.operators.policies.RandomPolicy</h1><div class="highlight"><pre>
  69. <span></span><span class="sd">&quot;&quot;&quot;Policy class implementation which is used for selecting operator randomly</span>
  70. <span class="sd">&quot;&quot;&quot;</span>
  71. <span class="c1"># main imports</span>
  72. <span class="kn">import</span> <span class="nn">random</span>
  73. <span class="c1"># module imports</span>
  74. <span class="kn">from</span> <span class="nn">.Policy</span> <span class="kn">import</span> <span class="n">Policy</span>
  75. <div class="viewcode-block" id="RandomPolicy"><a class="viewcode-back" href="../../../../macop/macop.operators.policies.RandomPolicy.html#macop.operators.policies.RandomPolicy.RandomPolicy">[docs]</a><span class="k">class</span> <span class="nc">RandomPolicy</span><span class="p">(</span><span class="n">Policy</span><span class="p">):</span>
  76. <span class="sd">&quot;&quot;&quot;Policy class implementation which is used for select operator randomly</span>
  77. <span class="sd"> Attributes:</span>
  78. <span class="sd"> operators: {[Operator]} -- list of selected operators for the algorithm</span>
  79. <span class="sd"> &quot;&quot;&quot;</span>
  80. <div class="viewcode-block" id="RandomPolicy.select"><a class="viewcode-back" href="../../../../macop/macop.operators.policies.RandomPolicy.html#macop.operators.policies.RandomPolicy.RandomPolicy.select">[docs]</a> <span class="k">def</span> <span class="nf">select</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
  81. <span class="sd">&quot;&quot;&quot;Select randomly the next operator to use</span>
  82. <span class="sd"> Returns:</span>
  83. <span class="sd"> {Operator}: the selected operator</span>
  84. <span class="sd"> &quot;&quot;&quot;</span>
  85. <span class="c1"># choose operator randomly</span>
  86. <span class="n">index</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">operators</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span>
  87. <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">operators</span><span class="p">[</span><span class="n">index</span><span class="p">]</span></div></div>
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