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  • Committer: Bazaar Package Importer
  • Author(s): Roberto C. Sanchez
  • Date: 2009-10-30 18:48:35 UTC
  • mfrom: (4.1.4 sid)
  • Revision ID: james.westby@ubuntu.com-20091030184835-2tqroygiq2pevwij
Tags: 3.6.0-1
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
 
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<title>BitMagic: bmalloc.h Source File</title>
 
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<h1>bmalloc.h</h1><a href="a00085.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
 
20
<a name="l00002"></a>00002 <span class="comment">Copyright(c) 2002-2009 Anatoliy Kuznetsov(anatoliy_kuznetsov at yahoo.com)</span>
 
21
<a name="l00003"></a>00003 <span class="comment"></span>
 
22
<a name="l00004"></a>00004 <span class="comment">Permission is hereby granted, free of charge, to any person </span>
 
23
<a name="l00005"></a>00005 <span class="comment">obtaining a copy of this software and associated documentation </span>
 
24
<a name="l00006"></a>00006 <span class="comment">files (the "Software"), to deal in the Software without restriction, </span>
 
25
<a name="l00007"></a>00007 <span class="comment">including without limitation the rights to use, copy, modify, merge, </span>
 
26
<a name="l00008"></a>00008 <span class="comment">publish, distribute, sublicense, and/or sell copies of the Software, </span>
 
27
<a name="l00009"></a>00009 <span class="comment">and to permit persons to whom the Software is furnished to do so, </span>
 
28
<a name="l00010"></a>00010 <span class="comment">subject to the following conditions:</span>
 
29
<a name="l00011"></a>00011 <span class="comment"></span>
 
30
<a name="l00012"></a>00012 <span class="comment">The above copyright notice and this permission notice shall be included </span>
 
31
<a name="l00013"></a>00013 <span class="comment">in all copies or substantial portions of the Software.</span>
 
32
<a name="l00014"></a>00014 <span class="comment"></span>
 
33
<a name="l00015"></a>00015 <span class="comment">THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, </span>
 
34
<a name="l00016"></a>00016 <span class="comment">EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES </span>
 
35
<a name="l00017"></a>00017 <span class="comment">OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. </span>
 
36
<a name="l00018"></a>00018 <span class="comment">IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, </span>
 
37
<a name="l00019"></a>00019 <span class="comment">DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, </span>
 
38
<a name="l00020"></a>00020 <span class="comment">ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR </span>
 
39
<a name="l00021"></a>00021 <span class="comment">OTHER DEALINGS IN THE SOFTWARE.</span>
 
40
<a name="l00022"></a>00022 <span class="comment"></span>
 
41
<a name="l00023"></a>00023 <span class="comment">For more information please visit:  http://bmagic.sourceforge.net</span>
 
42
<a name="l00024"></a>00024 <span class="comment"></span>
 
43
<a name="l00025"></a>00025 <span class="comment">*/</span>
 
44
<a name="l00026"></a>00026 
 
45
<a name="l00027"></a>00027 <span class="preprocessor">#ifndef BMALLOC__H__INCLUDED__</span>
 
46
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define BMALLOC__H__INCLUDED__</span>
 
47
<a name="l00029"></a>00029 <span class="preprocessor"></span>
 
48
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
 
49
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;new&gt;</span>
 
50
<a name="l00032"></a>00032 
 
51
<a name="l00033"></a>00033 <span class="keyword">namespace </span>bm
 
52
<a name="l00034"></a>00034 {
 
53
<a name="l00035"></a>00035 
 
54
<a name="l00036"></a>00036 <span class="comment"></span>
 
55
<a name="l00037"></a>00037 <span class="comment">/*! @defgroup alloc Memory Allocation</span>
 
56
<a name="l00038"></a>00038 <span class="comment"> *  Memory allocation related units</span>
 
57
<a name="l00039"></a>00039 <span class="comment"> *  @ingroup bmagic</span>
 
58
<a name="l00040"></a>00040 <span class="comment"> *</span>
 
59
<a name="l00041"></a>00041 <span class="comment"> *  @{</span>
 
60
<a name="l00042"></a>00042 <span class="comment"> */</span>
 
61
<a name="l00043"></a>00043 <span class="comment"></span>
 
62
<a name="l00044"></a>00044 <span class="comment">/*! </span>
 
63
<a name="l00045"></a>00045 <span class="comment">  @brief Default malloc based bitblock allocator class.</span>
 
64
<a name="l00046"></a>00046 <span class="comment"></span>
 
65
<a name="l00047"></a>00047 <span class="comment">  Functions allocate and deallocate conform to STL allocator specs.</span>
 
66
<a name="l00048"></a>00048 <span class="comment">  @ingroup alloc</span>
 
67
<a name="l00049"></a>00049 <span class="comment">*/</span>
 
68
<a name="l00050"></a><a class="code" href="a00037.html">00050</a> <span class="keyword">class </span><a class="code" href="a00037.html" title="Default malloc based bitblock allocator class.">block_allocator</a>
 
69
<a name="l00051"></a>00051 {
 
70
<a name="l00052"></a>00052 <span class="keyword">public</span>:<span class="comment"></span>
 
71
<a name="l00053"></a>00053 <span class="comment">    /**</span>
 
72
<a name="l00054"></a>00054 <span class="comment">    The member function allocates storage for an array of n bm::word_t </span>
 
73
<a name="l00055"></a>00055 <span class="comment">    elements, by calling malloc. </span>
 
74
<a name="l00056"></a>00056 <span class="comment">    @return pointer to the allocated memory. </span>
 
75
<a name="l00057"></a>00057 <span class="comment">    */</span>
 
76
<a name="l00058"></a><a class="code" href="a00037.html#1b90487ff442d774f3f9d888fb0e54ba">00058</a>     <span class="keyword">static</span> <a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="a00037.html#1b90487ff442d774f3f9d888fb0e54ba" title="The member function allocates storage for an array of n bm::word_t elements, by calling...">allocate</a>(<span class="keywordtype">size_t</span> n, <span class="keyword">const</span> <span class="keywordtype">void</span> *)
 
77
<a name="l00059"></a>00059     {
 
78
<a name="l00060"></a>00060         <a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* ptr;
 
79
<a name="l00061"></a>00061 <span class="preprocessor">#ifdef BMSSE2OPT</span>
 
80
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor"># ifdef _MSC_VER</span>
 
81
<a name="l00063"></a>00063 <span class="preprocessor"></span>        ptr = (<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*) ::_aligned_malloc(n * <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>), 16);
 
82
<a name="l00064"></a>00064 <span class="preprocessor">#else</span>
 
83
<a name="l00065"></a>00065 <span class="preprocessor"></span>        ptr = (<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*) ::_mm_malloc(n * <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>), 16);
 
84
<a name="l00066"></a>00066 <span class="preprocessor"># endif</span>
 
85
<a name="l00067"></a>00067 <span class="preprocessor"></span>
 
86
<a name="l00068"></a>00068 <span class="preprocessor">#else  </span>
 
87
<a name="l00069"></a>00069 <span class="preprocessor"></span>        ptr = (<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*) ::malloc(n * <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>));
 
88
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
 
89
<a name="l00071"></a>00071 <span class="preprocessor"></span>        <span class="keywordflow">if</span> (!ptr)
 
90
<a name="l00072"></a>00072         {
 
91
<a name="l00073"></a>00073             <span class="keywordflow">throw</span> std::bad_alloc();
 
92
<a name="l00074"></a>00074         }
 
93
<a name="l00075"></a>00075         <span class="keywordflow">return</span> ptr;
 
94
<a name="l00076"></a>00076     }
 
95
<a name="l00077"></a>00077 <span class="comment"></span>
 
96
<a name="l00078"></a>00078 <span class="comment">    /**</span>
 
97
<a name="l00079"></a>00079 <span class="comment">    The member function frees storage for an array of n bm::word_t </span>
 
98
<a name="l00080"></a>00080 <span class="comment">    elements, by calling free. </span>
 
99
<a name="l00081"></a>00081 <span class="comment">    */</span>
 
100
<a name="l00082"></a><a class="code" href="a00037.html#68a3365e4decb87fef88c2fa9028c8e2">00082</a>     <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00037.html#68a3365e4decb87fef88c2fa9028c8e2" title="The member function frees storage for an array of n bm::word_t elements, by calling...">deallocate</a>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* p, <span class="keywordtype">size_t</span>)
 
101
<a name="l00083"></a>00083     {
 
102
<a name="l00084"></a>00084 <span class="preprocessor">#ifdef BMSSE2OPT</span>
 
103
<a name="l00085"></a>00085 <span class="preprocessor"></span><span class="preprocessor"># ifdef _MSC_VER</span>
 
104
<a name="l00086"></a>00086 <span class="preprocessor"></span>        ::_aligned_free(p);
 
105
<a name="l00087"></a>00087 <span class="preprocessor">#else</span>
 
106
<a name="l00088"></a>00088 <span class="preprocessor"></span>        ::_mm_free(p);
 
107
<a name="l00089"></a>00089 <span class="preprocessor"># endif</span>
 
108
<a name="l00090"></a>00090 <span class="preprocessor"></span>
 
109
<a name="l00091"></a>00091 <span class="preprocessor">#else  </span>
 
110
<a name="l00092"></a>00092 <span class="preprocessor"></span>        ::free(p);
 
111
<a name="l00093"></a>00093 <span class="preprocessor">#endif</span>
 
112
<a name="l00094"></a>00094 <span class="preprocessor"></span>    }
 
113
<a name="l00095"></a>00095 
 
114
<a name="l00096"></a>00096 };
 
115
<a name="l00097"></a>00097 
 
116
<a name="l00098"></a>00098 
 
117
<a name="l00099"></a>00099 <span class="comment">// -------------------------------------------------------------------------</span>
 
118
<a name="l00100"></a>00100 <span class="comment"></span>
 
119
<a name="l00101"></a>00101 <span class="comment">/*! @brief Default malloc based bitblock allocator class.</span>
 
120
<a name="l00102"></a>00102 <span class="comment"></span>
 
121
<a name="l00103"></a>00103 <span class="comment">  Functions allocate and deallocate conform to STL allocator specs.</span>
 
122
<a name="l00104"></a>00104 <span class="comment">*/</span>
 
123
<a name="l00105"></a><a class="code" href="a00077.html">00105</a> <span class="keyword">class </span><a class="code" href="a00077.html" title="Default malloc based bitblock allocator class.">ptr_allocator</a>
 
124
<a name="l00106"></a>00106 {
 
125
<a name="l00107"></a>00107 <span class="keyword">public</span>:<span class="comment"></span>
 
126
<a name="l00108"></a>00108 <span class="comment">    /**</span>
 
127
<a name="l00109"></a>00109 <span class="comment">    The member function allocates storage for an array of n void* </span>
 
128
<a name="l00110"></a>00110 <span class="comment">    elements, by calling malloc. </span>
 
129
<a name="l00111"></a>00111 <span class="comment">    @return pointer to the allocated memory. </span>
 
130
<a name="l00112"></a>00112 <span class="comment">    */</span>
 
131
<a name="l00113"></a><a class="code" href="a00077.html#2ed8d55900bad5292e06be4af220aa38">00113</a>     <span class="keyword">static</span> <span class="keywordtype">void</span>* <a class="code" href="a00077.html#2ed8d55900bad5292e06be4af220aa38" title="The member function allocates storage for an array of n void* elements, by calling...">allocate</a>(<span class="keywordtype">size_t</span> n, <span class="keyword">const</span> <span class="keywordtype">void</span> *)
 
132
<a name="l00114"></a>00114     {
 
133
<a name="l00115"></a>00115         <span class="keywordtype">void</span>* ptr = ::malloc(n * <span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*));
 
134
<a name="l00116"></a>00116         <span class="keywordflow">if</span> (!ptr)
 
135
<a name="l00117"></a>00117         {
 
136
<a name="l00118"></a>00118             <span class="keywordflow">throw</span> std::bad_alloc();
 
137
<a name="l00119"></a>00119         }
 
138
<a name="l00120"></a>00120         <span class="keywordflow">return</span> ptr;
 
139
<a name="l00121"></a>00121     }
 
140
<a name="l00122"></a>00122 <span class="comment"></span>
 
141
<a name="l00123"></a>00123 <span class="comment">    /**</span>
 
142
<a name="l00124"></a>00124 <span class="comment">    The member function frees storage for an array of n bm::word_t </span>
 
143
<a name="l00125"></a>00125 <span class="comment">    elements, by calling free. </span>
 
144
<a name="l00126"></a>00126 <span class="comment">    */</span>
 
145
<a name="l00127"></a><a class="code" href="a00077.html#d7636f410ac891c14621d7bc3784a00c">00127</a>     <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00077.html#d7636f410ac891c14621d7bc3784a00c" title="The member function frees storage for an array of n bm::word_t elements, by calling...">deallocate</a>(<span class="keywordtype">void</span>* p, <span class="keywordtype">size_t</span>)
 
146
<a name="l00128"></a>00128     {
 
147
<a name="l00129"></a>00129         ::free(p);
 
148
<a name="l00130"></a>00130     }
 
149
<a name="l00131"></a>00131 };
 
150
<a name="l00132"></a>00132 
 
151
<a name="l00133"></a>00133 <span class="comment">// -------------------------------------------------------------------------</span>
 
152
<a name="l00134"></a>00134 <span class="comment"></span>
 
153
<a name="l00135"></a>00135 <span class="comment">/*! @brief BM style allocator adapter. </span>
 
154
<a name="l00136"></a>00136 <span class="comment"></span>
 
155
<a name="l00137"></a>00137 <span class="comment">  Template takes two parameters BA - allocator object for bit blocks and</span>
 
156
<a name="l00138"></a>00138 <span class="comment">  PA - allocator object for pointer blocks.</span>
 
157
<a name="l00139"></a>00139 <span class="comment">*/</span>
 
158
<a name="l00140"></a><a class="code" href="a00073.html">00140</a> <span class="keyword">template</span>&lt;<span class="keyword">class</span> BA, <span class="keyword">class</span> PA&gt; <span class="keyword">class </span><a class="code" href="a00073.html" title="BM style allocator adapter.">mem_alloc</a>
 
159
<a name="l00141"></a>00141 {
 
160
<a name="l00142"></a>00142 <span class="keyword">public</span>:
 
161
<a name="l00143"></a><a class="code" href="a00073.html#911e642666fb01c95152f34a8eea9d60">00143</a>     <span class="keyword">typedef</span> BA  <a class="code" href="a00073.html#911e642666fb01c95152f34a8eea9d60">block_allocator_type</a>;
 
162
<a name="l00144"></a><a class="code" href="a00073.html#3585fb098e6798fe5aea1bd5dfaaa874">00144</a>     <span class="keyword">typedef</span> PA  <a class="code" href="a00073.html#3585fb098e6798fe5aea1bd5dfaaa874">ptr_allocator_type</a>;
 
163
<a name="l00145"></a>00145 
 
164
<a name="l00146"></a>00146 <span class="keyword">public</span>:
 
165
<a name="l00147"></a>00147 
 
166
<a name="l00148"></a><a class="code" href="a00073.html#0c83df2f625583b6958fb34d807b0014">00148</a>     <a class="code" href="a00073.html#0c83df2f625583b6958fb34d807b0014">mem_alloc</a>(<span class="keyword">const</span> BA&amp; block_alloc = BA(), <span class="keyword">const</span> PA&amp; ptr_alloc = PA())
 
167
<a name="l00149"></a>00149     : block_alloc_(block_alloc),
 
168
<a name="l00150"></a>00150       ptr_alloc_(ptr_alloc)
 
169
<a name="l00151"></a>00151     {}
 
170
<a name="l00152"></a>00152     <span class="comment"></span>
 
171
<a name="l00153"></a>00153 <span class="comment">    /*! @brief Returns copy of the block allocator object</span>
 
172
<a name="l00154"></a>00154 <span class="comment">    */</span>
 
173
<a name="l00155"></a><a class="code" href="a00073.html#f77ba616b20ffaa1a0589ed537697e71">00155</a>     <a class="code" href="a00073.html#911e642666fb01c95152f34a8eea9d60">block_allocator_type</a> <a class="code" href="a00073.html#f77ba616b20ffaa1a0589ed537697e71" title="Returns copy of the block allocator object.">get_block_allocator</a>()<span class="keyword"> const </span>
 
174
<a name="l00156"></a>00156 <span class="keyword">    </span>{ 
 
175
<a name="l00157"></a>00157         <span class="keywordflow">return</span> BA(block_alloc_); 
 
176
<a name="l00158"></a>00158     }
 
177
<a name="l00159"></a>00159 <span class="comment"></span>
 
178
<a name="l00160"></a>00160 <span class="comment">    /*! @brief Returns copy of the ptr allocator object</span>
 
179
<a name="l00161"></a>00161 <span class="comment">    */</span>
 
180
<a name="l00162"></a><a class="code" href="a00073.html#16191ffe1d864b2f4f1e72c290768c82">00162</a>     <a class="code" href="a00073.html#3585fb098e6798fe5aea1bd5dfaaa874">ptr_allocator_type</a> <a class="code" href="a00073.html#16191ffe1d864b2f4f1e72c290768c82" title="Returns copy of the ptr allocator object.">get_ptr_allocator</a>()<span class="keyword"> const </span>
 
181
<a name="l00163"></a>00163 <span class="keyword">    </span>{ 
 
182
<a name="l00164"></a>00164        <span class="keywordflow">return</span> PA(block_alloc_); 
 
183
<a name="l00165"></a>00165     }
 
184
<a name="l00166"></a>00166 
 
185
<a name="l00167"></a>00167 <span class="comment"></span>
 
186
<a name="l00168"></a>00168 <span class="comment">    /*! @brief Allocates and returns bit block.</span>
 
187
<a name="l00169"></a>00169 <span class="comment">    */</span>
 
188
<a name="l00170"></a><a class="code" href="a00073.html#b31dccae175d6b418b8a7a9dcd27f372">00170</a>     <a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="a00073.html#b31dccae175d6b418b8a7a9dcd27f372" title="Allocates and returns bit block.">alloc_bit_block</a>()
 
189
<a name="l00171"></a>00171     {
 
190
<a name="l00172"></a>00172         <span class="keywordflow">return</span> block_alloc_.allocate(<a class="code" href="a00106.html#91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a>, 0);
 
191
<a name="l00173"></a>00173     }
 
192
<a name="l00174"></a>00174 <span class="comment"></span>
 
193
<a name="l00175"></a>00175 <span class="comment">    /*! @brief Frees bit block allocated by alloc_bit_block.</span>
 
194
<a name="l00176"></a>00176 <span class="comment">    */</span>
 
195
<a name="l00177"></a><a class="code" href="a00073.html#c24bb08fe7d54f499e05d7a35bc86fa6">00177</a>     <span class="keywordtype">void</span> <a class="code" href="a00073.html#c24bb08fe7d54f499e05d7a35bc86fa6" title="Frees bit block allocated by alloc_bit_block.">free_bit_block</a>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* block)
 
196
<a name="l00178"></a>00178     {
 
197
<a name="l00179"></a>00179         <span class="keywordflow">if</span> (<a class="code" href="a00087.html#13ba598909515339ceede09e3b9b0198">IS_VALID_ADDR</a>(block)) 
 
198
<a name="l00180"></a>00180             block_alloc_.deallocate(block, <a class="code" href="a00106.html#91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a>);
 
199
<a name="l00181"></a>00181     }
 
200
<a name="l00182"></a>00182 <span class="comment"></span>
 
201
<a name="l00183"></a>00183 <span class="comment">    /*! @brief Allocates GAP block using bit block allocator (BA).</span>
 
202
<a name="l00184"></a>00184 <span class="comment"></span>
 
203
<a name="l00185"></a>00185 <span class="comment">        GAP blocks in BM library belong to levels. Each level has a </span>
 
204
<a name="l00186"></a>00186 <span class="comment">        correspondent length described in bm::gap_len_table&lt;&gt;.</span>
 
205
<a name="l00187"></a>00187 <span class="comment">        </span>
 
206
<a name="l00188"></a>00188 <span class="comment">        @param level GAP block level.</span>
 
207
<a name="l00189"></a>00189 <span class="comment">    */</span>
 
208
<a name="l00190"></a><a class="code" href="a00073.html#6e5410e34efcc1e4af747b03795081dd">00190</a>     <a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>* <a class="code" href="a00073.html#6e5410e34efcc1e4af747b03795081dd" title="Allocates GAP block using bit block allocator (BA).">alloc_gap_block</a>(<span class="keywordtype">unsigned</span> level, 
 
209
<a name="l00191"></a>00191                                     <span class="keyword">const</span> <a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">gap_word_t</a>* glevel_len)
 
210
<a name="l00192"></a>00192     {
 
211
<a name="l00193"></a>00193         <a class="code" href="a00087.html#a44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(level &lt; <a class="code" href="a00106.html#773e9f5341919d58000bd54d50038733">bm::gap_levels</a>);
 
212
<a name="l00194"></a>00194         <span class="keywordtype">unsigned</span> len = 
 
213
<a name="l00195"></a>00195             glevel_len[level] / (<span class="keyword">sizeof</span>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>) / <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">gap_word_t</a>));
 
214
<a name="l00196"></a>00196 
 
215
<a name="l00197"></a>00197         <span class="keywordflow">return</span> (<a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>*)block_alloc_.allocate(len, 0);
 
216
<a name="l00198"></a>00198     }
 
217
<a name="l00199"></a>00199 <span class="comment"></span>
 
218
<a name="l00200"></a>00200 <span class="comment">    /*! @brief Frees GAP block using bot block allocator (BA)</span>
 
219
<a name="l00201"></a>00201 <span class="comment">    */</span>
 
220
<a name="l00202"></a><a class="code" href="a00073.html#0a54ad389bbfbb1bec04133b97c64d9b">00202</a>     <span class="keywordtype">void</span> <a class="code" href="a00073.html#0a54ad389bbfbb1bec04133b97c64d9b" title="Frees GAP block using bot block allocator (BA).">free_gap_block</a>(<a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>*   block,
 
221
<a name="l00203"></a>00203                         <span class="keyword">const</span> <a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">gap_word_t</a>* glevel_len)
 
222
<a name="l00204"></a>00204     {
 
223
<a name="l00205"></a>00205         <a class="code" href="a00087.html#a44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(<a class="code" href="a00087.html#13ba598909515339ceede09e3b9b0198">IS_VALID_ADDR</a>((<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*)block));
 
224
<a name="l00206"></a>00206          
 
225
<a name="l00207"></a>00207         <span class="keywordtype">unsigned</span> len = <a class="code" href="a00110.html#g0419ed06e2f0b7891e7d721546f5fb45" title="Returs GAP block capacity.">gap_capacity</a>(block, glevel_len);
 
226
<a name="l00208"></a>00208         len /= <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>) / <span class="keyword">sizeof</span>(<a class="code" href="a00106.html#c654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>);
 
227
<a name="l00209"></a>00209         block_alloc_.deallocate((<a class="code" href="a00106.html#17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*)block, len);        
 
228
<a name="l00210"></a>00210     }
 
229
<a name="l00211"></a>00211 <span class="comment"></span>
 
230
<a name="l00212"></a>00212 <span class="comment">    /*! @brief Allocates block of pointers.</span>
 
231
<a name="l00213"></a>00213 <span class="comment">    */</span>
 
232
<a name="l00214"></a><a class="code" href="a00073.html#512a255f1afe5f3f8319e4b2b9c1eb4d">00214</a>     <span class="keywordtype">void</span>* <a class="code" href="a00073.html#512a255f1afe5f3f8319e4b2b9c1eb4d" title="Allocates block of pointers.">alloc_ptr</a>(<span class="keywordtype">unsigned</span> size = <a class="code" href="a00106.html#40ad34d6c46a2fb20ba2baa7f95d80b4">bm::set_array_size</a>)
 
233
<a name="l00215"></a>00215     {
 
234
<a name="l00216"></a>00216         <span class="keywordflow">return</span> ptr_alloc_.allocate(size, 0);
 
235
<a name="l00217"></a>00217     }
 
236
<a name="l00218"></a>00218 <span class="comment"></span>
 
237
<a name="l00219"></a>00219 <span class="comment">    /*! @brief Frees block of pointers.</span>
 
238
<a name="l00220"></a>00220 <span class="comment">    */</span>
 
239
<a name="l00221"></a><a class="code" href="a00073.html#31bae2a441ae2d27724d2c938b45378c">00221</a>     <span class="keywordtype">void</span> <a class="code" href="a00073.html#31bae2a441ae2d27724d2c938b45378c" title="Frees block of pointers.">free_ptr</a>(<span class="keywordtype">void</span>* p, <span class="keywordtype">unsigned</span> size = <a class="code" href="a00106.html#40ad34d6c46a2fb20ba2baa7f95d80b4">bm::set_array_size</a>)
 
240
<a name="l00222"></a>00222     {
 
241
<a name="l00223"></a>00223         <span class="keywordflow">if</span> (p)
 
242
<a name="l00224"></a>00224             ptr_alloc_.deallocate(p, size);
 
243
<a name="l00225"></a>00225     }
 
244
<a name="l00226"></a>00226 <span class="keyword">private</span>:
 
245
<a name="l00227"></a>00227     BA            block_alloc_;
 
246
<a name="l00228"></a>00228     PA            ptr_alloc_;
 
247
<a name="l00229"></a>00229 };
 
248
<a name="l00230"></a>00230 
 
249
<a name="l00231"></a><a class="code" href="a00117.html#gb9059bfb40a6588cdbacfd93901593c1">00231</a> <span class="keyword">typedef</span> <a class="code" href="a00073.html" title="BM style allocator adapter.">mem_alloc&lt;block_allocator, ptr_allocator&gt;</a> <a class="code" href="a00073.html" title="BM style allocator adapter.">standard_allocator</a>;
 
250
<a name="l00232"></a>00232 <span class="comment"></span>
 
251
<a name="l00233"></a>00233 <span class="comment">/** @} */</span>
 
252
<a name="l00234"></a>00234 
 
253
<a name="l00235"></a>00235 
 
254
<a name="l00236"></a>00236 } <span class="comment">// namespace bm</span>
 
255
<a name="l00237"></a>00237 
 
256
<a name="l00238"></a>00238 
 
257
<a name="l00239"></a>00239 <span class="preprocessor">#endif</span>
 
258
</pre></div></div>
 
259
<hr size="1"><address style="text-align: right;"><small>Generated on Mon Oct 12 12:16:38 2009 for BitMagic by&nbsp;
 
260
<a href="http://www.doxygen.org/index.html">
 
261
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address>
 
262
</body>
 
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