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<h1>include/sphinxbase/bitvec.h</h1>  </div>
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<a href="bitvec_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* ====================================================================</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 1999-2004 Carnegie Mellon University.  All rights</span>
<a name="l00004"></a>00004 <span class="comment"> * reserved.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00008"></a>00008 <span class="comment"> * are met:</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00011"></a>00011 <span class="comment"> *    notice, this list of conditions and the following disclaimer. </span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00014"></a>00014 <span class="comment"> *    notice, this list of conditions and the following disclaimer in</span>
<a name="l00015"></a>00015 <span class="comment"> *    the documentation and/or other materials provided with the</span>
<a name="l00016"></a>00016 <span class="comment"> *    distribution.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span>
<a name="l00019"></a>00019 <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span>
<a name="l00020"></a>00020 <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS&#39;&#39; AND </span>
<a name="l00023"></a>00023 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span>
<a name="l00024"></a>00024 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00025"></a>00025 <span class="comment"> * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span>
<a name="l00026"></a>00026 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00027"></a>00027 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span>
<a name="l00028"></a>00028 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span>
<a name="l00029"></a>00029 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span>
<a name="l00030"></a>00030 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span>
<a name="l00031"></a>00031 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span>
<a name="l00032"></a>00032 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * ====================================================================</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <span class="preprocessor">#ifndef _LIBUTIL_BITVEC_H_</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#define _LIBUTIL_BITVEC_H_</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="comment">/* Win32/WinCE DLL gunk */</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;sphinxbase/sphinxbase_export.h&gt;</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;sphinxbase/prim_type.h&gt;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;sphinxbase/ckd_alloc.h&gt;</span>
<a name="l00048"></a>00048 
<a name="l00056"></a>00056 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {
<a name="l00058"></a>00058 <span class="preprocessor">#endif</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#if 0</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="comment">/* Fool Emacs. */</span>
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064 <span class="preprocessor">#define BITVEC_BITS 32</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span><span class="keyword">typedef</span> uint32 bitvec_t;
<a name="l00066"></a>00066 
<a name="l00070"></a><a class="code" href="bitvec_8h.html#a1d82193826583f234a71cba32267d3f3">00070</a> <span class="preprocessor">#define bitvec_size(n)          (((n)+BITVEC_BITS-1)/BITVEC_BITS)</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span>
<a name="l00075"></a><a class="code" href="bitvec_8h.html#a866043a7ac23e137f6c2f2466f4abc70">00075</a> <span class="preprocessor">#define bitvec_alloc(n)         ckd_calloc(bitvec_size(n), sizeof(bitvec_t))</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>
<a name="l00080"></a><a class="code" href="bitvec_8h.html#ae53ebce7c4c616fdc601e8306aebcc4b">00080</a> <span class="preprocessor">#define bitvec_realloc(v,n)     ckd_realloc(v, bitvec_size(n) * sizeof(bitvec_t))</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00085"></a><a class="code" href="bitvec_8h.html#a5628e35c88ac7e91b99dce916758824a">00085</a> <span class="preprocessor">#define bitvec_free(v)          ckd_free(v)</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span>
<a name="l00093"></a><a class="code" href="bitvec_8h.html#ae90878b8f2316f5733d83a3f47d378ac">00093</a> <span class="preprocessor">#define bitvec_set(v,b)         (v[(b)/BITVEC_BITS] |= (1UL &lt;&lt; ((b) &amp; (BITVEC_BITS-1))))</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span>
<a name="l00101"></a><a class="code" href="bitvec_8h.html#ab7abefb917e02790e9384d3149ff461e">00101</a> <span class="preprocessor">#define bitvec_set_all(v,n)     memset(v, (bitvec_t)-1, \</span>
<a name="l00102"></a>00102 <span class="preprocessor">                                       (((n)+BITVEC_BITS-1)/BITVEC_BITS) * \</span>
<a name="l00103"></a>00103 <span class="preprocessor">                                       sizeof(bitvec_t))</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span>
<a name="l00110"></a><a class="code" href="bitvec_8h.html#a74b3387345ca2730a8067626878843fc">00110</a> <span class="preprocessor">#define bitvec_clear(v,b)       (v[(b)/BITVEC_BITS] &amp;= ~(1UL &lt;&lt; ((b) &amp; (BITVEC_BITS-1))))</span>
<a name="l00111"></a>00111 <span class="preprocessor"></span>
<a name="l00118"></a><a class="code" href="bitvec_8h.html#a89f80d7a8040e9225f3c1c9bf102ae1d">00118</a> <span class="preprocessor">#define bitvec_clear_all(v,n)   memset(v, 0, (((n)+BITVEC_BITS-1)/BITVEC_BITS) * \</span>
<a name="l00119"></a>00119 <span class="preprocessor">                                       sizeof(bitvec_t))</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span>
<a name="l00127"></a><a class="code" href="bitvec_8h.html#ae323f80288b2ff946d6d8b0e38f791c9">00127</a> <span class="preprocessor">#define bitvec_is_set(v,b)      (v[(b)/BITVEC_BITS] &amp; (1UL &lt;&lt; ((b) &amp; (BITVEC_BITS-1))))</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00135"></a><a class="code" href="bitvec_8h.html#a8154409a6e05e7c1ed7f21eff5ed06d4">00135</a> <span class="preprocessor">#define bitvec_is_clear(v,b)    (! (bitvec_is_set(v,b)))</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137 
<a name="l00145"></a>00145 SPHINXBASE_EXPORT
<a name="l00146"></a>00146 <span class="keywordtype">size_t</span> <a class="code" href="bitvec_8h.html#ac8eeaf487cd029e23fffe676f9a77a10" title="Return the number of bits set in the given bitvector.">bitvec_count_set</a>(bitvec_t *vec,  <span class="comment">/* In: Bit vector to search */</span>
<a name="l00147"></a>00147                         <span class="keywordtype">size_t</span> len);    <span class="comment">/* In: Lenght of above bit vector */</span>
<a name="l00148"></a>00148 
<a name="l00149"></a>00149 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00150"></a>00150 <span class="preprocessor"></span>}
<a name="l00151"></a>00151 <span class="preprocessor">#endif</span>
<a name="l00152"></a>00152 <span class="preprocessor"></span>
<a name="l00153"></a>00153 <span class="preprocessor">#endif</span>
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