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  <title>log2 (Integer)</title>
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  <pre><span class="ruby-comment cmt"># File lib/ruby-vpi/integer.rb, line 11</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">log2</span>
    <span class="ruby-identifier">raise</span> <span class="ruby-value str">&quot;integer must be positive&quot;</span> <span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">self</span> <span class="ruby-operator">&lt;</span> <span class="ruby-value">0</span>
    <span class="ruby-identifier">bin</span> = <span class="ruby-identifier">to_s</span>(<span class="ruby-value">2</span>)

    <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">bin</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/^10+$/</span>
      <span class="ruby-identifier">bin</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>
    <span class="ruby-keyword kw">else</span>
      <span class="ruby-identifier">bin</span>.<span class="ruby-identifier">length</span>
    <span class="ruby-keyword kw">end</span>
  <span class="ruby-keyword kw">end</span></pre>
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Version data entries

3 entries across 3 versions & 1 rubygems

Version Path
ruby-vpi-20.0.0 doc/api/ruby/classes/Integer.src/M000008.html
ruby-vpi-21.0.0 doc/api/ruby/classes/Integer.src/M000009.html
ruby-vpi-21.1.0 doc/api/ruby/classes/Integer.src/M000008.html