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<h1>sample1.cpp</h1>Example of how to use bvector template class to set bits and then retrieve indexes of ON bits.<p>
For more information please visit: <a href="http://bmagic.sourceforge.net">http://bmagic.sourceforge.net</a><p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="a00048.html#a43">bm::bvector<>::get_next()</a> <p>
<a class="el" href="a00048.html#a42">bm::bvector<>::get_first()</a> <p>
<a class="el" href="a00048.html#a20">bm::bvector<>::set()</a> <p>
<a class="el" href="a00048.html#a26">bm::bvector<>::count()</a> <p>
<a class="el" href="a00048.html#a24">bm::bvector<>::clear()</a></dd></dl>
<div class="fragment"><pre class="fragment"><span class="comment">/*</span>
<span class="comment">Copyright(c) 2002-2005 Anatoliy Kuznetsov(anatoliy_kuznetsov at yahoo.com)</span>
<span class="comment"></span>
<span class="comment">Permission is hereby granted, free of charge, to any person </span>
<span class="comment">obtaining a copy of this software and associated documentation </span>
<span class="comment">files (the "Software"), to deal in the Software without restriction, </span>
<span class="comment">including without limitation the rights to use, copy, modify, merge, </span>
<span class="comment">publish, distribute, sublicense, and/or sell copies of the Software, </span>
<span class="comment">and to permit persons to whom the Software is furnished to do so, </span>
<span class="comment">subject to the following conditions:</span>
<span class="comment"></span>
<span class="comment">The above copyright notice and this permission notice shall be included </span>
<span class="comment">in all copies or substantial portions of the Software.</span>
<span class="comment"></span>
<span class="comment">THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, </span>
<span class="comment">EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES </span>
<span class="comment">OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. </span>
<span class="comment">IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, </span>
<span class="comment">DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, </span>
<span class="comment">ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR </span>
<span class="comment">OTHER DEALINGS IN THE SOFTWARE.</span>
<span class="comment">*/</span>
<span class="comment"></span>
<span class="comment">/** \example sample1.cpp</span>
<span class="comment"> Example of how to use bvector template class to set</span>
<span class="comment"> bits and then retrieve indexes of ON bits.</span>
<span class="comment"> </span>
<span class="comment"> For more information please visit: http://bmagic.sourceforge.net</span>
<span class="comment"></span>
<span class="comment"> \sa bm::bvector<>::get_next() </span>
<span class="comment"> \sa bm::bvector<>::get_first() </span>
<span class="comment"> \sa bm::bvector<>::set()</span>
<span class="comment"> \sa bm::bvector<>::count() </span>
<span class="comment"> \sa bm::bvector<>::clear()</span>
<span class="comment"> </span>
<span class="comment"> */</span>
<span class="preprocessor">#include <iostream></span>
<span class="preprocessor">#include "<a class="code" href="a00074.html">bm.h</a>"</span>
<span class="keyword">using</span> <span class="keyword">namespace </span>std;
<span class="keywordtype">int</span> <a name="a0"></a><a class="code" href="a00083.html#a0">main</a>(<span class="keywordtype">void</span>)
{
<a name="_a1"></a><a class="code" href="a00048.html">bm::bvector<></a> bv; <span class="comment">// Bitvector variable declaration.</span>
cout << bv.<a name="a2"></a><a class="code" href="a00048.html#a26">count</a>() << endl;
<span class="comment">// Set some bits.</span>
bv.<a name="a3"></a><a class="code" href="a00048.html#a19">set</a>(10);
bv.<a class="code" href="a00048.html#a19">set</a>(100);
bv.<a class="code" href="a00048.html#a19">set</a>(1000000);
<span class="comment">// New bitvector's count.</span>
cout << bv.<a class="code" href="a00048.html#a26">count</a>() << endl;
<span class="comment">// Print the bitvector.</span>
<span class="keywordtype">unsigned</span> value = bv.<a name="a4"></a><a class="code" href="a00048.html#a42">get_first</a>();
<span class="keywordflow">do</span>
{
cout << value;
value = bv.<a name="a5"></a><a class="code" href="a00048.html#a43">get_next</a>(value);
<span class="keywordflow">if</span> (value)
{
cout << <span class="stringliteral">","</span>;
}
<span class="keywordflow">else</span>
{
<span class="keywordflow">break</span>;
}
} <span class="keywordflow">while</span>(1);
cout << endl;
bv.<a name="a6"></a><a class="code" href="a00048.html#a24">clear</a>(); <span class="comment">// Clean up.</span>
cout << bv.<a class="code" href="a00048.html#a26">count</a>() << endl;
<span class="comment">// We also can use operators to set-clear bits;</span>
bv[10] = <span class="keyword">true</span>;
bv[100] = <span class="keyword">true</span>;
bv[10000] = <span class="keyword">true</span>;
cout << bv.<a class="code" href="a00048.html#a26">count</a>() << endl;
<span class="keywordflow">if</span> (bv[10])
{
bv[10] = <span class="keyword">false</span>;
}
cout << bv.<a class="code" href="a00048.html#a26">count</a>() << endl;
<span class="keywordflow">return</span> 0;
}
</pre></div> <hr size="1"><address style="align: right;"><small>Generated on Thu Apr 20 13:28:45 2006 for BitMagic by
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