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<pre> <span class="ruby-comment cmt"># File lib/ruby-vpi/integer.rb, line 89</span>
89: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">pack</span> <span class="ruby-identifier">aPackedWidth</span>
90: <span class="ruby-identifier">bits</span> = <span class="ruby-identifier">length</span>
91: <span class="ruby-identifier">bits</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">self</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span> <span class="ruby-comment cmt"># positive integers also have a sign bit (zero)</span>
92:
93: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">aPackedWidth</span> <span class="ruby-operator">>=</span> <span class="ruby-identifier">bits</span>
94: <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">"packed width #{aPackedWidth} must be at least #{bits} for integer #{self}"</span>
95: <span class="ruby-keyword kw">end</span>
96:
97: <span class="ruby-identifier">extend_sign</span>(<span class="ruby-identifier">bits</span>, <span class="ruby-identifier">aPackedWidth</span>)
98: <span class="ruby-keyword kw">end</span></pre>
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