(64-k));</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  }</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  <span class="keyword">inline</span> <span class="keywordtype">void</span> fastleftshift1(uint64_t&amp; x) {</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    x = (x &lt;&lt; 1) | (x &gt;&gt; 63);</div><div clas