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+ <h1>Source code for macop.solutions.discrete</h1><div class="highlight"><pre>
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+<span></span><span class="sd">"""Discrete solution classes implementations</span>
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+<span class="sd">"""</span>
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+<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
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+
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+<span class="c1"># modules imports</span>
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+<span class="kn">from</span> <span class="nn">.base</span> <span class="kn">import</span> <span class="n">Solution</span>
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+
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+
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+<div class="viewcode-block" id="BinarySolution"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.BinarySolution">[docs]</a><span class="k">class</span> <span class="nc">BinarySolution</span><span class="p">(</span><span class="n">Solution</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Binary integer solution class</span>
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+
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+<span class="sd"> - store solution as a binary array (example: [0, 1, 0, 1, 1])</span>
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+<span class="sd"> - associated size is the size of the array</span>
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+<span class="sd"> - mainly use for selecting or not an element in a list of valuable objects</span>
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+
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+<span class="sd"> Attributes:</span>
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+<span class="sd"> data: {ndarray} -- array of binary values</span>
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+<span class="sd"> size: {int} -- size of binary array values</span>
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+<span class="sd"> score: {float} -- fitness score value</span>
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+<span class="sd"> """</span>
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+ <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Initialize binary solution using specific data</span>
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+
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+<span class="sd"> Args:</span>
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+<span class="sd"> data: {ndarray} -- array of binary values</span>
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+<span class="sd"> size: {int} -- size of binary array values</span>
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+
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+<span class="sd"> Example:</span>
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+
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+<span class="sd"> >>> from macop.solutions.discrete import BinarySolution</span>
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+<span class="sd"> >>> # build of a solution using specific data and size</span>
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+<span class="sd"> >>> data = [0, 1, 0, 1, 1]</span>
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+<span class="sd"> >>> solution = BinarySolution(data, len(data))</span>
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+<span class="sd"> >>> # check data content</span>
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+<span class="sd"> >>> sum(solution._data) == 3</span>
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+<span class="sd"> True</span>
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+<span class="sd"> >>> # clone solution</span>
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+<span class="sd"> >>> solution_copy = solution.clone()</span>
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+<span class="sd"> >>> all(solution_copy._data == solution._data)</span>
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+<span class="sd"> True</span>
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+<span class="sd"> """</span>
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+ <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">data</span><span class="p">),</span> <span class="n">size</span><span class="p">)</span>
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+
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+<div class="viewcode-block" id="BinarySolution.random"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.BinarySolution.random">[docs]</a> <span class="nd">@staticmethod</span>
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+ <span class="k">def</span> <span class="nf">random</span><span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">validator</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Intialize binary array with use of validator to generate valid random solution</span>
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+
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+<span class="sd"> Args:</span>
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+<span class="sd"> size: {int} -- expected solution size to generate</span>
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+<span class="sd"> validator: {function} -- specific function which validates or not a solution (if None, not validation is applied)</span>
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+
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+<span class="sd"> Returns:</span>
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+<span class="sd"> {BinarySolution} -- new generated binary solution</span>
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+
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+<span class="sd"> Example:</span>
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+
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+<span class="sd"> >>> from macop.solutions.discrete import BinarySolution</span>
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+<span class="sd"> >>> validator = lambda solution: True if sum(solution._data) > 5 else False</span>
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+<span class="sd"> >>> solution = BinarySolution.random(10, validator)</span>
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+<span class="sd"> >>> sum(solution._data) > 5</span>
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+<span class="sd"> True</span>
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+<span class="sd"> """</span>
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+
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+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</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">2</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
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+ <span class="n">solution</span> <span class="o">=</span> <span class="n">BinarySolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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+
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+ <span class="k">if</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">:</span>
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+ <span class="k">return</span> <span class="n">solution</span>
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+
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+ <span class="k">while</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">(</span><span class="n">solution</span><span class="p">):</span>
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+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</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">2</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
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+ <span class="n">solution</span> <span class="o">=</span> <span class="n">BinarySolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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+
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+ <span class="k">return</span> <span class="n">solution</span></div>
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+
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+ <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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+ <span class="k">return</span> <span class="sa">f</span><span class="s2">"Binary solution </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_data</span><span class="si">}</span><span class="s2">"</span></div>
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+
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+
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+
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+<div class="viewcode-block" id="CombinatoryIntegerSolution"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.CombinatoryIntegerSolution">[docs]</a><span class="k">class</span> <span class="nc">CombinatoryIntegerSolution</span><span class="p">(</span><span class="n">Solution</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Combinatory integer solution class</span>
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+
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+<span class="sd"> - store solution as a binary array (example: [0, 1, 0, 1, 1])</span>
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+<span class="sd"> - associated size is the size of the array</span>
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+<span class="sd"> - mainly use for selecting or not an element in a list of valuable objects</span>
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+
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+<span class="sd"> Attributes:</span>
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+<span class="sd"> data: {ndarray} -- array of integer values</span>
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+<span class="sd"> size: {int} -- size of integer array values</span>
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+<span class="sd"> score: {float} -- fitness score value</span>
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+<span class="sd"> """</span>
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+ <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Initialize integer solution using specific data</span>
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+
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+<span class="sd"> Args:</span>
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+<span class="sd"> data: {ndarray} -- array of integer values</span>
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+<span class="sd"> size: {int} -- size of integer array values</span>
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+
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+<span class="sd"> >>> from macop.solutions.discrete import CombinatoryIntegerSolution</span>
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+<span class="sd"> >>> import numpy as np</span>
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+<span class="sd"> >>> data = np.arange(5)</span>
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+<span class="sd"> >>> solution = CombinatoryIntegerSolution(data, 5)</span>
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+<span class="sd"> >>> sum(solution._data) == 10</span>
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+<span class="sd"> True</span>
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+<span class="sd"> >>> solution_copy = solution.clone()</span>
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+<span class="sd"> >>> all(solution_copy._data == solution._data)</span>
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+<span class="sd"> True</span>
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+<span class="sd"> """</span>
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+ <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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+
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+<div class="viewcode-block" id="CombinatoryIntegerSolution.random"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.CombinatoryIntegerSolution.random">[docs]</a> <span class="nd">@staticmethod</span>
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+ <span class="k">def</span> <span class="nf">random</span><span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">validator</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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+<span class="sd"> Intialize combinatory integer array with use of validator to generate valid random solution</span>
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+
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+<span class="sd"> Args:</span>
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+<span class="sd"> size: {int} -- expected solution size to generate</span>
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+<span class="sd"> validator: {function} -- specific function which validates or not a solution (if None, not validation is applied)</span>
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+
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+<span class="sd"> Returns:</span>
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+<span class="sd"> {CombinatoryIntegerSolution} -- new generated combinatory integer solution</span>
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+
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+<span class="sd"> Example:</span>
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+
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+<span class="sd"> >>> from macop.solutions.discrete import CombinatoryIntegerSolution</span>
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+<span class="sd"> >>> validator = lambda solution: True if sum(solution._data) > 5 else False</span>
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+<span class="sd"> >>> solution = CombinatoryIntegerSolution.random(5, validator)</span>
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+<span class="sd"> >>> sum(solution._data) > 5</span>
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+<span class="sd"> True</span>
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+<span class="sd"> """</span>
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+
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+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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+ <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">shuffle</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
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+ <span class="n">solution</span> <span class="o">=</span> <span class="n">CombinatoryIntegerSolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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+
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+ <span class="k">if</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">:</span>
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+ <span class="k">return</span> <span class="n">solution</span>
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+
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+ <span class="k">while</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">(</span><span class="n">solution</span><span class="p">):</span>
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+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
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+ <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">shuffle</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
|
|
|
+ <span class="n">solution</span> <span class="o">=</span> <span class="n">CombinatoryIntegerSolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
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+
|
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+ <span class="k">return</span> <span class="n">solution</span></div>
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+
|
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|
+ <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
|
+ <span class="k">return</span> <span class="sa">f</span><span class="s2">"Combinatory integer solution </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_data</span><span class="si">}</span><span class="s2">"</span></div>
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+
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+
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+<div class="viewcode-block" id="IntegerSolution"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.IntegerSolution">[docs]</a><span class="k">class</span> <span class="nc">IntegerSolution</span><span class="p">(</span><span class="n">Solution</span><span class="p">):</span>
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+ <span class="sd">"""</span>
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|
+<span class="sd"> Integer solution class</span>
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+
|
|
|
+<span class="sd"> Attributes:</span>
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|
|
+<span class="sd"> data: {ndarray} -- array of binary values</span>
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|
|
+<span class="sd"> size: {int} -- size of binary array values</span>
|
|
|
+<span class="sd"> score: {float} -- fitness score value</span>
|
|
|
+<span class="sd"> """</span>
|
|
|
+ <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
|
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|
+ <span class="sd">"""</span>
|
|
|
+<span class="sd"> Initialize integer solution using specific data</span>
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+
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|
|
+<span class="sd"> Args:</span>
|
|
|
+<span class="sd"> data: {ndarray} -- array of binary values</span>
|
|
|
+<span class="sd"> size: {int} -- size of binary array values</span>
|
|
|
+
|
|
|
+<span class="sd"> Example:</span>
|
|
|
+
|
|
|
+<span class="sd"> >>> from macop.solutions.discrete import IntegerSolution</span>
|
|
|
+<span class="sd"> >>> import numpy as np</span>
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|
|
+<span class="sd"> >>> np.random.seed(42)</span>
|
|
|
+<span class="sd"> >>> data = np.random.randint(5, size=10)</span>
|
|
|
+<span class="sd"> >>> solution = IntegerSolution(data, 10)</span>
|
|
|
+<span class="sd"> >>> sum(solution._data)</span>
|
|
|
+<span class="sd"> 28</span>
|
|
|
+<span class="sd"> >>> solution_copy = solution.clone()</span>
|
|
|
+<span class="sd"> >>> all(solution_copy._data == solution._data)</span>
|
|
|
+<span class="sd"> True</span>
|
|
|
+<span class="sd"> """</span>
|
|
|
+ <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
|
|
|
+
|
|
|
+<div class="viewcode-block" id="IntegerSolution.random"><a class="viewcode-back" href="../../../macop/macop.solutions.discrete.html#macop.solutions.discrete.IntegerSolution.random">[docs]</a> <span class="nd">@staticmethod</span>
|
|
|
+ <span class="k">def</span> <span class="nf">random</span><span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">validator</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
|
|
+ <span class="sd">"""</span>
|
|
|
+<span class="sd"> Intialize integer array with use of validator to generate valid random solution</span>
|
|
|
+
|
|
|
+<span class="sd"> Args:</span>
|
|
|
+<span class="sd"> size: {int} -- expected solution size to generate</span>
|
|
|
+<span class="sd"> validator: {function} -- specific function which validates or not a solution (if None, not validation is applied)</span>
|
|
|
+
|
|
|
+<span class="sd"> Returns:</span>
|
|
|
+<span class="sd"> {IntegerSolution} -- new generated integer solution</span>
|
|
|
+
|
|
|
+<span class="sd"> Example:</span>
|
|
|
+
|
|
|
+<span class="sd"> >>> from macop.solutions.discrete import IntegerSolution</span>
|
|
|
+<span class="sd"> >>> import numpy as np</span>
|
|
|
+<span class="sd"> >>> np.random.seed(42)</span>
|
|
|
+<span class="sd"> >>> validator = lambda solution: True if sum(solution._data) > 5 else False</span>
|
|
|
+<span class="sd"> >>> solution = IntegerSolution.random(5, validator)</span>
|
|
|
+<span class="sd"> >>> sum(solution._data) > 10</span>
|
|
|
+<span class="sd"> True</span>
|
|
|
+<span class="sd"> """</span>
|
|
|
+
|
|
|
+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</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="n">size</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
|
|
|
+ <span class="n">solution</span> <span class="o">=</span> <span class="n">IntegerSolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
|
|
|
+
|
|
|
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">:</span>
|
|
|
+ <span class="k">return</span> <span class="n">solution</span>
|
|
|
+
|
|
|
+ <span class="k">while</span> <span class="ow">not</span> <span class="n">validator</span><span class="p">(</span><span class="n">solution</span><span class="p">):</span>
|
|
|
+ <span class="n">data</span> <span class="o">=</span> <span class="n">np</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="n">size</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
|
|
|
+ <span class="n">solution</span> <span class="o">=</span> <span class="n">IntegerSolution</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
|
|
|
+
|
|
|
+ <span class="k">return</span> <span class="n">solution</span></div>
|
|
|
+
|
|
|
+ <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
|
+ <span class="k">return</span> <span class="sa">f</span><span class="s2">"Integer solution </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_data</span><span class="si">}</span><span class="s2">"</span></div>
|
|
|
+</pre></div>
|
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+
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+ </div>
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+
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+ </div>
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+
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+ <hr/>
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+
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+ <div role="contentinfo">
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+ <p>
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+ © Copyright 2020, Jérôme BUISINE
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+
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+ </p>
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+ </div>
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+ Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
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