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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 46</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-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>
16 <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rand</span>(<span class="ruby-value">1</span>) <span class="ruby-operator"><</span> <span class="ruby-identifier">mutation_probability</span>
17 <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>
18 <span class="ruby-ivar">@genome</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-value">1</span>
19 <span class="ruby-keyword kw">else</span>
20 <span class="ruby-ivar">@genome</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-value">0</span>
21 <span class="ruby-keyword kw">end</span>
22 <span class="ruby-keyword kw">end</span>
23 <span class="ruby-keyword kw">end</span>
24 <span class="ruby-ivar">@genome</span>
25 <span class="ruby-keyword kw">end</span></pre>