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 <span id="projectnumber">3.03</span>
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<div class="title">/usr/local/google/home/jbreiden/tesseract-ocr-read-only/cutil/bitvec.h</div> </div>
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<div class="contents">
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<a href="a01023.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/******************************************************************************</span>
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<a name="l00002"></a>00002 <span class="comment"> ** Filename: bitvec.h</span>
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<a name="l00003"></a>00003 <span class="comment"> ** Purpose: Routines for manipulating bit vectors</span>
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<a name="l00004"></a>00004 <span class="comment"> ** Author: Dan Johnson</span>
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<a name="l00005"></a>00005 <span class="comment"> ** History: Wed Mar 7 17:52:45 1990, DSJ, Created.</span>
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<a name="l00006"></a>00006 <span class="comment"> **</span>
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<a name="l00007"></a>00007 <span class="comment"> ** (c) Copyright Hewlett-Packard Company, 1988.</span>
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<a name="l00008"></a>00008 <span class="comment"> ** Licensed under the Apache License, Version 2.0 (the "License");</span>
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<a name="l00009"></a>00009 <span class="comment"> ** you may not use this file except in compliance with the License.</span>
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<a name="l00010"></a>00010 <span class="comment"> ** You may obtain a copy of the License at</span>
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<a name="l00011"></a>00011 <span class="comment"> ** http://www.apache.org/licenses/LICENSE-2.0</span>
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<a name="l00012"></a>00012 <span class="comment"> ** Unless required by applicable law or agreed to in writing, software</span>
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<a name="l00013"></a>00013 <span class="comment"> ** distributed under the License is distributed on an "AS IS" BASIS,</span>
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<a name="l00014"></a>00014 <span class="comment"> ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
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<a name="l00015"></a>00015 <span class="comment"> ** See the License for the specific language governing permissions and</span>
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<a name="l00016"></a>00016 <span class="comment"> ** limitations under the License.</span>
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<a name="l00017"></a>00017 <span class="comment"> ******************************************************************************/</span>
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<a name="l00018"></a>00018 <span class="preprocessor">#ifndef BITVEC_H</span>
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<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define BITVEC_H</span>
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<a name="l00020"></a>00020 <span class="preprocessor"></span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="a00831.html">host.h</a>"</span>
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="comment">/*-----------------------------------------------------------------------------</span>
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<a name="l00024"></a>00024 <span class="comment"> Include Files and Type Defines</span>
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<a name="l00025"></a>00025 <span class="comment">-----------------------------------------------------------------------------*/</span>
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<a name="l00026"></a>00026 <span class="comment">// TODO(rays) Rename BITSINLONG to BITSINuinT32, and use sizeof.</span>
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<a name="l00027"></a><a class="code" href="a01023.html#a0bb2f0d77b12e8c8061c18e0edac99ca">00027</a> <span class="preprocessor">#define BITSINLONG 32 </span>
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<a name="l00028"></a><a class="code" href="a01023.html#a584fa1e33e36d105f97bc7e7288fb259">00028</a> <span class="preprocessor">typedef uinT32 *BIT_VECTOR;</span>
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<a name="l00029"></a>00029 <span class="preprocessor"></span>
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<a name="l00030"></a>00030 <span class="comment">/*-----------------------------------------------------------------------------</span>
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<a name="l00031"></a>00031 <span class="comment"> Public Function Prototypes</span>
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<a name="l00032"></a>00032 <span class="comment">-----------------------------------------------------------------------------*/</span>
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<a name="l00033"></a><a class="code" href="a01023.html#a33e25946d45a1e004a961dc46cb5226a">00033</a> <span class="preprocessor">#define zero_all_bits(array,length) \</span>
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<a name="l00034"></a>00034 <span class="preprocessor">{\</span>
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<a name="l00035"></a>00035 <span class="preprocessor"> register int index; </span><span class="comment">/*temporary index*/</span>\
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<a name="l00036"></a>00036 \
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<a name="l00037"></a>00037 for (index=0;index<length;index++)\
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<a name="l00038"></a>00038 array[index]=0; <span class="comment">/*zero all bits*/</span>\
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<a name="l00039"></a>00039 }
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<a name="l00040"></a>00040
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<a name="l00041"></a><a class="code" href="a01023.html#a137dcf6c3453d2a2b5cbfa7d369c754f">00041</a> <span class="preprocessor">#define set_all_bits(array,length) \</span>
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<a name="l00042"></a>00042 <span class="preprocessor">{\</span>
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<a name="l00043"></a>00043 <span class="preprocessor"> register int index; </span><span class="comment">/*temporary index*/</span>\
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<a name="l00044"></a>00044 \
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<a name="l00045"></a>00045 for (index=0;index<length;index++)\
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<a name="l00046"></a>00046 array[index]= ~0; <span class="comment">/*set all bits*/</span>\
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<a name="l00047"></a>00047 }
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<a name="l00048"></a>00048
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<a name="l00049"></a><a class="code" href="a01023.html#ae535f23da300bdf6ea284fc5e85ca14a">00049</a> <span class="preprocessor">#define copy_all_bits(source,dest,length) \</span>
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<a name="l00050"></a>00050 <span class="preprocessor">{\</span>
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<a name="l00051"></a>00051 <span class="preprocessor"> register int index; </span><span class="comment">/*temporary index*/</span>\
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<a name="l00052"></a>00052 \
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<a name="l00053"></a>00053 for (index=0;index<length;index++)\
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<a name="l00054"></a>00054 dest[index]=source[index]; <span class="comment">/*copy all bits*/</span>\
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<a name="l00055"></a>00055 }
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<a name="l00056"></a>00056
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<a name="l00057"></a><a class="code" href="a01023.html#ab02d606cf8dca49ccadb00248bdbafe9">00057</a> <span class="preprocessor">#define SET_BIT(array,bit) (array[bit/BITSINLONG]|=1<<(bit&(BITSINLONG-1)))</span>
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<a name="l00058"></a>00058 <span class="preprocessor"></span>
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<a name="l00059"></a><a class="code" href="a01023.html#a1209b8bb0fa7e6e7323cdb48b4165f0d">00059</a> <span class="preprocessor">#define reset_bit(array,bit) (array[bit/BITSINLONG]&=~(1<<(bit&(BITSINLONG-1))))</span>
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<a name="l00060"></a>00060 <span class="preprocessor"></span>
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<a name="l00061"></a><a class="code" href="a01023.html#a76a50c5a99dea7be5315fe76246036ce">00061</a> <span class="preprocessor">#define test_bit(array,bit) (array[bit/BITSINLONG] & (1<<(bit&(BITSINLONG-1))))</span>
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<a name="l00062"></a>00062 <span class="preprocessor"></span>
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<a name="l00063"></a><a class="code" href="a01023.html#a905ff9b6c51cb231dd8baf1713a3c9b8">00063</a> <span class="preprocessor">#define WordsInVectorOfSize(NumBits) \</span>
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<a name="l00064"></a>00064 <span class="preprocessor">(((NumBits) + BITSINLONG - 1) / BITSINLONG)</span>
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<a name="l00065"></a>00065 <span class="preprocessor"></span>
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<a name="l00066"></a>00066 <span class="comment">/*--------------------------------------------------------------------------</span>
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<a name="l00067"></a>00067 <span class="comment"> Public Function Prototypes</span>
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<a name="l00068"></a>00068 <span class="comment">--------------------------------------------------------------------------*/</span>
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<a name="l00069"></a>00069 <a class="code" href="a01023.html#a584fa1e33e36d105f97bc7e7288fb259">BIT_VECTOR</a> <a class="code" href="a01022.html#a74773bfbcc12095f8d32c11b28e2577d">ExpandBitVector</a>(<a class="code" href="a01023.html#a584fa1e33e36d105f97bc7e7288fb259">BIT_VECTOR</a> Vector, <span class="keywordtype">int</span> NewNumBits);
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 <span class="keywordtype">void</span> <a class="code" href="a01022.html#adc1a7f52bb1fce0746e1e5725ad679f6">FreeBitVector</a>(<a class="code" href="a01023.html#a584fa1e33e36d105f97bc7e7288fb259">BIT_VECTOR</a> BitVector);
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073 <a class="code" href="a01023.html#a584fa1e33e36d105f97bc7e7288fb259">BIT_VECTOR</a> <a class="code" href="a01022.html#a502314dc3ee4b178df067713b324b868">NewBitVector</a>(<span class="keywordtype">int</span> NumBits);
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 <span class="preprocessor">#endif</span>
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