<?xml version="1.0" encoding="windows-1252"?>
<node id="1015704" title="Re: Efficient bit counting with a twist." created="2013-01-28 08:45:44" updated="2013-01-28 08:45:44">
<type id="11">
note</type>
<author id="915343">
trizen</author>
<data>
<field name="doctext">
&lt;code&gt;my $c = unpack("%32b*", pack "B$p", unpack "B$p", $v);&lt;/code&gt;
&lt;br/&gt;&lt;br/&gt;
Note that &lt;code&gt;$p&lt;/code&gt; start with zero.</field>
<field name="root_node">
1015564</field>
<field name="parent_node">
1015564</field>
</data>
</node>
