doc/classes/Genome.src/.svn/text-base/M000002.html.svn-base

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   8   <title>mutate (Genome)</title>
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  13   <pre><span class="ruby-comment cmt"># File lib/libgenetics.rb, line 29</span>
  14   <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">mutate</span>(<span class="ruby-identifier">mutation_probability</span> = <span class="ruby-value">0</span><span class="ruby-value">.05</span>)
  15     <span class="ruby-identifier">new_genome</span> = <span class="ruby-constant">Genome</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@genome</span>.<span class="ruby-identifier">length</span>)
  16     (<span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-ivar">@genome</span>.<span class="ruby-identifier">length</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
  17       <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rand</span>(<span class="ruby-value">1</span>) <span class="ruby-operator">&lt;</span> <span class="ruby-identifier">mutation_probability</span>
  18         <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@genome</span>[<span class="ruby-identifier">i</span>] <span class="ruby-operator">==</span> <span class="ruby-value">0</span>
  19           <span class="ruby-identifier">new_genome</span>.<span class="ruby-identifier">genome</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-value">1</span>
  20         <span class="ruby-keyword kw">else</span>
  21           <span class="ruby-identifier">new_genome</span>.<span class="ruby-identifier">genome</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-value">0</span>
  22         <span class="ruby-keyword kw">end</span>
  23       <span class="ruby-keyword kw">else</span>
  24         <span class="ruby-identifier">new_genome</span>.<span class="ruby-identifier">genome</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-ivar">@genome</span>[<span class="ruby-identifier">i</span>]
  25       <span class="ruby-keyword kw">end</span>
  26     <span class="ruby-keyword kw">end</span>
  27     <span class="ruby-identifier">new_genome</span>
  28   <span class="ruby-keyword kw">end</span></pre>
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