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<p>Basic bitmap abstraction.
<a href="#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="bitmap_source.html">bitmap</a>&gt;</code></p>
<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Inheritance diagram for cxx::Bitmap_base:</div>
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<div id="dynsection-1" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for cxx::Bitmap_base:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-nested-classes" class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:Bit" id="r_Bit"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html">Bit</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">A writable bit in a bitmap. <a href="classcxx_1_1Bitmap__base_1_1Bit.html#details">More...</a><br /></td></tr>
<tr class="memitem:Word" id="r_Word"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcxx_1_1Bitmap__base_1_1Word.html">Word</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper abstraction for a word contained in the bitmap. <a href="classcxx_1_1Bitmap__base_1_1Word.html#details">More...</a><br /></td></tr>
<tr class="memitem:Char" id="r_Char"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcxx_1_1Bitmap__base_1_1Char.html">Char</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper abstraction for a byte contained in the bitmap. <a href="classcxx_1_1Bitmap__base_1_1Char.html#details">More...</a><br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:af0660ff3f3e9b7a7774c9e1102f949f1" id="r_af0660ff3f3e9b7a7774c9e1102f949f1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a> (long bit, bool on) noexcept</td></tr>
<tr class="memdesc:af0660ff3f3e9b7a7774c9e1102f949f1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set the value of bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> to <span class="tt">on</span>. <br /></td></tr>
<tr class="memitem:aa45d3ffd33e0040624919f3c250683fb" id="r_aa45d3ffd33e0040624919f3c250683fb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa45d3ffd33e0040624919f3c250683fb">clear_bit</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:aa45d3ffd33e0040624919f3c250683fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. <br /></td></tr>
<tr class="memitem:a3891066d3fdaf28d3f674a16f44f9274" id="r_a3891066d3fdaf28d3f674a16f44f9274"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3891066d3fdaf28d3f674a16f44f9274">atomic_clear_bit</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:a3891066d3fdaf28d3f674a16f44f9274"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically. <br /></td></tr>
<tr class="memitem:a38a80ebafed8c3b900e317817aaf25c7" id="r_a38a80ebafed8c3b900e317817aaf25c7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a38a80ebafed8c3b900e317817aaf25c7">atomic_get_and_clear</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:a38a80ebafed8c3b900e317817aaf25c7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically and return old state. <br /></td></tr>
<tr class="memitem:aa5fb13ff9bdcd49aa2a171ffae6aa694" id="r_aa5fb13ff9bdcd49aa2a171ffae6aa694"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa5fb13ff9bdcd49aa2a171ffae6aa694">set_bit</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:aa5fb13ff9bdcd49aa2a171ffae6aa694"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. <br /></td></tr>
<tr class="memitem:a5fba99cf13b893cfacc3f2fdbfffae31" id="r_a5fba99cf13b893cfacc3f2fdbfffae31"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a5fba99cf13b893cfacc3f2fdbfffae31">atomic_set_bit</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:a5fba99cf13b893cfacc3f2fdbfffae31"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically. <br /></td></tr>
<tr class="memitem:aa7bebf07c9d4622d90694693daa7c706" id="r_aa7bebf07c9d4622d90694693daa7c706"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa7bebf07c9d4622d90694693daa7c706">atomic_get_and_set</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:aa7bebf07c9d4622d90694693daa7c706"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically and return old state. <br /></td></tr>
<tr class="memitem:ababa66c5a9717321221d17ec5519d02b" id="r_ababa66c5a9717321221d17ec5519d02b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ababa66c5a9717321221d17ec5519d02b">bit</a> (long bit) const noexcept</td></tr>
<tr class="memdesc:ababa66c5a9717321221d17ec5519d02b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the truth value of a bit. <br /></td></tr>
<tr class="memitem:aab1d18dba8fdcf06a5a9d773fc63410b" id="r_aab1d18dba8fdcf06a5a9d773fc63410b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aab1d18dba8fdcf06a5a9d773fc63410b">operator[]</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) const noexcept</td></tr>
<tr class="memdesc:aab1d18dba8fdcf06a5a9d773fc63410b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the bit at index <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. <br /></td></tr>
<tr class="memitem:a6d30ecb86acc81a4f160b6e7f30a6b39" id="r_a6d30ecb86acc81a4f160b6e7f30a6b39"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html">Bit</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6d30ecb86acc81a4f160b6e7f30a6b39">operator[]</a> (long <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>) noexcept</td></tr>
<tr class="memdesc:a6d30ecb86acc81a4f160b6e7f30a6b39"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the lvalue for the bit at index <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. <br /></td></tr>
<tr class="memitem:a27f72c4f1ee10eb85dca947289b23920" id="r_a27f72c4f1ee10eb85dca947289b23920"><td class="memItemLeft" align="right" valign="top">long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a27f72c4f1ee10eb85dca947289b23920">scan_zero</a> (long max_bit, long start_bit=0) const noexcept</td></tr>
<tr class="memdesc:a27f72c4f1ee10eb85dca947289b23920"><td class="mdescLeft">&#160;</td><td class="mdescRight">Scan for the first zero bit. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-static-methods" class="groupheader"><a id="pub-static-methods" name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a7114742b05b724dfe4620ab3face31b2" id="r_a7114742b05b724dfe4620ab3face31b2"><td class="memItemLeft" align="right" valign="top"><a id="a7114742b05b724dfe4620ab3face31b2" name="a7114742b05b724dfe4620ab3face31b2"></a>
static long&#160;</td><td class="memItemRight" valign="bottom"><b>words</b> (long bits) noexcept</td></tr>
<tr class="memdesc:a7114742b05b724dfe4620ab3face31b2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the number of <span class="tt">Words</span> that are used for the bitmap. <br /></td></tr>
<tr class="memitem:a21e69a026c39cc3eb3855f765dc896d9" id="r_a21e69a026c39cc3eb3855f765dc896d9"><td class="memItemLeft" align="right" valign="top"><a id="a21e69a026c39cc3eb3855f765dc896d9" name="a21e69a026c39cc3eb3855f765dc896d9"></a>
static long&#160;</td><td class="memItemRight" valign="bottom"><b>chars</b> (long bits) noexcept</td></tr>
<tr class="memdesc:a21e69a026c39cc3eb3855f765dc896d9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the number of chars that are used for the bitmap. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pro-types" class="groupheader"><a id="pro-types" name="pro-types"></a>
Protected Types</h2></td></tr>
<tr class="memitem:a4562584344b3c0251bfaf5e34bc38749" id="r_a4562584344b3c0251bfaf5e34bc38749"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom">{ <a class="el" href="#a4562584344b3c0251bfaf5e34bc38749a7b0fa9b852475888c170f2b377d78578">W_bits</a> = sizeof(word_type) * 8
, <a class="el" href="#a4562584344b3c0251bfaf5e34bc38749ad2de31016bb1c41cd56e4c9bbac30dde">C_bits</a> = 8
}</td></tr>
<tr class="memitem:a6f52a1661a4cbd0738d8975db7ec0eb7" id="r_a6f52a1661a4cbd0738d8975db7ec0eb7"><td class="memItemLeft" align="right" valign="top"><a id="a6f52a1661a4cbd0738d8975db7ec0eb7" name="a6f52a1661a4cbd0738d8975db7ec0eb7"></a>
typedef unsigned long&#160;</td><td class="memItemRight" valign="bottom"><b>word_type</b></td></tr>
<tr class="memdesc:a6f52a1661a4cbd0738d8975db7ec0eb7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Data type for each element of the bit buffer. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pro-static-methods" class="groupheader"><a id="pro-static-methods" name="pro-static-methods"></a>
Static Protected Member Functions</h2></td></tr>
<tr class="memitem:a7a9d9e1459ab5508c071f3989c3bbf4e" id="r_a7a9d9e1459ab5508c071f3989c3bbf4e"><td class="memItemLeft" align="right" valign="top">static unsigned&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7a9d9e1459ab5508c071f3989c3bbf4e">word_index</a> (unsigned <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>)</td></tr>
<tr class="memdesc:a7a9d9e1459ab5508c071f3989c3bbf4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the word index for the given bit. <br /></td></tr>
<tr class="memitem:a63b497caf4cba8376deb2b8831d3fb4f" id="r_a63b497caf4cba8376deb2b8831d3fb4f"><td class="memItemLeft" align="right" valign="top">static unsigned&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a63b497caf4cba8376deb2b8831d3fb4f">bit_index</a> (unsigned <a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1">bit</a>)</td></tr>
<tr class="memdesc:a63b497caf4cba8376deb2b8831d3fb4f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the bit index within <a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7" title="Data type for each element of the bit buffer.">word_type</a> for the given bit. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pro-attribs" class="groupheader"><a id="pro-attribs" name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:afa048bbe3937117191c144a884d53ca7" id="r_afa048bbe3937117191c144a884d53ca7"><td class="memItemLeft" align="right" valign="top"><a id="afa048bbe3937117191c144a884d53ca7" name="afa048bbe3937117191c144a884d53ca7"></a>
<a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>_bits</b></td></tr>
<tr class="memdesc:afa048bbe3937117191c144a884d53ca7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to the buffer storing the bits. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Basic bitmap abstraction. </p>
<p>This abstraction keeps a pointer to a memory area that is used as bitmap. </p>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00018">18</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
</div><a name="doc-enum-members" id="doc-enum-members"></a><h2 id="header-doc-enum-members" class="groupheader">Member Enumeration Documentation</h2>
<a id="a4562584344b3c0251bfaf5e34bc38749" name="a4562584344b3c0251bfaf5e34bc38749"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4562584344b3c0251bfaf5e34bc38749">&#9670;&#160;</a></span>anonymous enum</h2>
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<td class="memname">anonymous enum</td>
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<span class="mlabels"><span class="mlabel protected">protected</span></span> </td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a4562584344b3c0251bfaf5e34bc38749a7b0fa9b852475888c170f2b377d78578" name="a4562584344b3c0251bfaf5e34bc38749a7b0fa9b852475888c170f2b377d78578"></a>W_bits&#160;</td><td class="fielddoc"><p>number of bits in <a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7" title="Data type for each element of the bit buffer.">word_type</a> </p>
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<tr><td class="fieldname"><a id="a4562584344b3c0251bfaf5e34bc38749ad2de31016bb1c41cd56e4c9bbac30dde" name="a4562584344b3c0251bfaf5e34bc38749ad2de31016bb1c41cd56e4c9bbac30dde"></a>C_bits&#160;</td><td class="fielddoc"><p>number of bits in char </p>
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<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00026">26</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
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<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a3891066d3fdaf28d3f674a16f44f9274">&#9670;&#160;</a></span>atomic_clear_bit()</h2>
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<td class="memname">void cxx::Bitmap_base::atomic_clear_bit </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically. </p>
<p>Use this function for multi-threaded access to the bitmap.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to clear. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00269">269</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a38a80ebafed8c3b900e317817aaf25c7">&#9670;&#160;</a></span>atomic_get_and_clear()</h2>
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<td class="memname"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">Bitmap_base::word_type</a> cxx::Bitmap_base::atomic_get_and_clear </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically and return old state. </p>
<p>Use this function for multi-threaded access to the bitmap.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to clear. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00279">279</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa7bebf07c9d4622d90694693daa7c706">&#9670;&#160;</a></span>atomic_get_and_set()</h2>
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<td class="memname"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">Bitmap_base::word_type</a> cxx::Bitmap_base::atomic_get_and_set </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically and return old state. </p>
<p>Use this function for multi-threaded access to the bitmap.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to set. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00308">308</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5fba99cf13b893cfacc3f2fdbfffae31">&#9670;&#160;</a></span>atomic_set_bit()</h2>
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<td class="memname">void cxx::Bitmap_base::atomic_set_bit </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> atomically. </p>
<p>Use this function for multi-threaded access to the bitmap.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to set. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00298">298</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ababa66c5a9717321221d17ec5519d02b">&#9670;&#160;</a></span>bit() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">Bitmap_base::word_type</a> cxx::Bitmap_base::bit </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
<td> const</td>
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<p>Get the truth value of a bit. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to read.</td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td><a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html" title="A writable bit in a bitmap.">Bit</a> is not set. </td></tr>
<tr><td class="paramname">!=</td><td>0 <a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html" title="A writable bit in a bitmap.">Bit</a> is set. </td></tr>
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</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00318">318</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af0660ff3f3e9b7a7774c9e1102f949f1">&#9670;&#160;</a></span>bit() <span class="overload">[2/2]</span></h2>
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<td class="memname">void cxx::Bitmap_base::bit </td>
<td>(</td>
<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span>, </td>
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<td class="paramtype">bool</td> <td class="paramname"><span class="paramname"><em>on</em></span>&#160;)</td>
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<p>Set the value of bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> to <span class="tt">on</span>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit. </td></tr>
<tr><td class="paramname">on</td><td>The boolean value that shall be assigned to the bit. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00251">251</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
<p class="reference">Referenced by <a class="el" href="bitmap_source.html#l00269">atomic_clear_bit()</a>, <a class="el" href="bitmap_source.html#l00279">atomic_get_and_clear()</a>, <a class="el" href="bitmap_source.html#l00308">atomic_get_and_set()</a>, <a class="el" href="bitmap_source.html#l00298">atomic_set_bit()</a>, <a class="el" href="bitmap_source.html#l00318">bit()</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, <a class="el" href="bitmap_source.html#l00260">clear_bit()</a>, <a class="el" href="bitmap_source.html#l00181">operator[]()</a>, <a class="el" href="bitmap_source.html#l00191">operator[]()</a>, <a class="el" href="bitmap_source.html#l00289">set_bit()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a63b497caf4cba8376deb2b8831d3fb4f">&#9670;&#160;</a></span>bit_index()</h2>
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<td class="memname">unsigned cxx::Bitmap_base::bit_index </td>
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<td class="paramtype">unsigned</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Get the bit index within <a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7" title="Data type for each element of the bit buffer.">word_type</a> for the given bit. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The bit index in the bitmap.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the bit index within <a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7" title="Data type for each element of the bit buffer.">word_type</a> (bit % W_bits). </dd></dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00053">53</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00251">bit()</a>, and <a class="el" href="bitmap_source.html#l00028">W_bits</a>.</p>
<p class="reference">Referenced by <a class="el" href="bitmap_source.html#l00269">atomic_clear_bit()</a>, <a class="el" href="bitmap_source.html#l00279">atomic_get_and_clear()</a>, <a class="el" href="bitmap_source.html#l00308">atomic_get_and_set()</a>, <a class="el" href="bitmap_source.html#l00298">atomic_set_bit()</a>, <a class="el" href="bitmap_source.html#l00318">bit()</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00260">clear_bit()</a>, and <a class="el" href="bitmap_source.html#l00289">set_bit()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa45d3ffd33e0040624919f3c250683fb">&#9670;&#160;</a></span>clear_bit()</h2>
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<td class="memname">void cxx::Bitmap_base::clear_bit </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Clear bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to clear. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00260">260</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aab1d18dba8fdcf06a5a9d773fc63410b">&#9670;&#160;</a></span>operator[]() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="#a6f52a1661a4cbd0738d8975db7ec0eb7">word_type</a> cxx::Bitmap_base::operator[] </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Get the bit at index <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number of the bit to read.</td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td><a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html" title="A writable bit in a bitmap.">Bit</a> is not set. </td></tr>
<tr><td class="paramname">!=</td><td>0 <a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html" title="A writable bit in a bitmap.">Bit</a> is set. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00181">181</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00251">bit()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d30ecb86acc81a4f160b6e7f30a6b39">&#9670;&#160;</a></span>operator[]() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classcxx_1_1Bitmap__base_1_1Bit.html">Bit</a> cxx::Bitmap_base::operator[] </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Get the lvalue for the bit at index <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The number.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>lvalue for <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span> </dd></dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00191">191</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00251">bit()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a27f72c4f1ee10eb85dca947289b23920">&#9670;&#160;</a></span>scan_zero()</h2>
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<td class="memname">long cxx::Bitmap_base::scan_zero </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>max_bit</em></span>, </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>start_bit</em></span><span class="paramdefsep"> = </span><span class="paramdefval">0</span>&#160;) const</td>
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<p>Scan for the first zero bit. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">max_bit</td><td>Upper bound (exclusive) for the scanning operation. </td></tr>
<tr><td class="paramname">start_bit</td><td>Hint at the number of the first bit to look at. Zero bits below <span class="tt">start_bit</span> may or may not be taken into account by the implementation.</td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">&gt;=</td><td>0 Number of first zero bit found. </td></tr>
<tr><td class="paramname">-1</td><td>All bits between <span class="tt">start_bit</span> and <span class="tt">max_bit</span> are set. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00339">339</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00028">W_bits</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
<p class="reference">Referenced by <a class="el" href="bitmap_source.html#l00365">cxx::Bitmap&lt; BITS &gt;::scan_zero()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa5fb13ff9bdcd49aa2a171ffae6aa694">&#9670;&#160;</a></span>set_bit()</h2>
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<td class="memname">void cxx::Bitmap_base::set_bit </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Set bit <span class="tt"><a class="el" href="#af0660ff3f3e9b7a7774c9e1102f949f1" title="Set the value of bit bit to on.">bit</a></span>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">bit</td><td>The number of the bit to set. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00289">289</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00035">_bits</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00053">bit_index()</a>, and <a class="el" href="bitmap_source.html#l00044">word_index()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a9d9e1459ab5508c071f3989c3bbf4e">&#9670;&#160;</a></span>word_index()</h2>
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<td class="memname">unsigned cxx::Bitmap_base::word_index </td>
<td>(</td>
<td class="paramtype">unsigned</td> <td class="paramname"><span class="paramname"><em>bit</em></span></td><td>)</td>
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<p>Get the word index for the given bit. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit</td><td>The index of the bit in question.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the index in <a class="el" href="#afa048bbe3937117191c144a884d53ca7" title="Pointer to the buffer storing the bits.">Bitmap_base::_bits</a> for the given bit (bit / W_bits). </dd></dl>
<p class="definition">Definition at line <a class="el" href="bitmap_source.html#l00044">44</a> of file <a class="el" href="bitmap_source.html">bitmap</a>.</p>
<p class="reference">References <a class="el" href="bitmap_source.html#l00251">bit()</a>, and <a class="el" href="bitmap_source.html#l00028">W_bits</a>.</p>
<p class="reference">Referenced by <a class="el" href="bitmap_source.html#l00269">atomic_clear_bit()</a>, <a class="el" href="bitmap_source.html#l00279">atomic_get_and_clear()</a>, <a class="el" href="bitmap_source.html#l00308">atomic_get_and_set()</a>, <a class="el" href="bitmap_source.html#l00298">atomic_set_bit()</a>, <a class="el" href="bitmap_source.html#l00318">bit()</a>, <a class="el" href="bitmap_source.html#l00251">bit()</a>, <a class="el" href="bitmap_source.html#l00260">clear_bit()</a>, <a class="el" href="bitmap_source.html#l00339">scan_zero()</a>, and <a class="el" href="bitmap_source.html#l00289">set_bit()</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>l4/cxx/<a class="el" href="bitmap_source.html">bitmap</a></li>
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