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<a href="bitmap_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef LIBNAGIOS_bitmap_h__</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LIBNAGIOS_bitmap_h__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * @file bitmap.h</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * @brief Bit map API</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * The bitmap api is useful for running set operations on objects</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * indexed by unsigned integers.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * @{</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="keyword">struct </span>bitmap;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span>bitmap bitmap;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * Resize a bitmap</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * If the bitmap is made smaller, data will silently be lost.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * @param bm The bitmap to resize</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * @param size The new desired size of the bitmap</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * @return 0 on success, -1 on errors.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="bitmap_8h.html#a320b74f09439cec263cb75097d404ef6">bitmap_resize</a>(bitmap *bm, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> size);</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * Create a bitmaptor of size &#39;size&#39;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * @param size Desired storage capacity</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * @return A bitmap pointer on success, NULL on errors</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#a9001629114e98185f3de713bc128db79">bitmap_create</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> size);</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * Destroy a bitmaptor by freeing all the memory it uses</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * @param bm The bitmaptor to destroy</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="bitmap_8h.html#a58ee6def2e0c32c5da45523cd446eefe">bitmap_destroy</a>(bitmap *bm);</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> * Copy a bitmaptor</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * @param bm The bitmaptor to copy</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> * @return Pointer to an identical bitmap on success, NULL on errors</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#af5789a6348bf94b3b47d82717dc76cbc">bitmap_copy</a>(<span class="keyword">const</span> bitmap *bm);</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"> * Set a bit in the map</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment"> * @param bm The bitmaptor to operate on</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"> * @param pos Position of the bit to set</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment"> * @return 0 on success, -1 on errors</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="bitmap_8h.html#a7543817ea7a0f3ab5564470854face7f">bitmap_set</a>(bitmap *bm, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> pos);</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> * Check if a particular bit is set in the map</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> * @param bm The bitmaptor to check</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment"> * @param pos Position of the bit to check</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"> * @return 1 if set, otherwise 0</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="bitmap_8h.html#ade96a1d41217133b0a126269a425f43c">bitmap_isset</a>(<span class="keyword">const</span> bitmap *bm, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> pos);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment"> * Unset a particular bit in the map</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment"> * @param bm The bitmaptor to operate on</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment"> * @param pos Position of the bit to unset</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="bitmap_8h.html#a7adb33826e021cfda5718653a92585cc">bitmap_unset</a>(bitmap *bm, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> pos);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"> * Obtain cardinality (max number of elements) of the bitmaptor</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"> * @param bm The bitmaptor to check</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment"> * @return The cardinality of the bitmaptor</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="bitmap_8h.html#a29975ed2f9842ae16eb2b56d3dde62cb">bitmap_cardinality</a>(<span class="keyword">const</span> bitmap *bm);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor">#define bitmap_size bitmap_cardinality</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment"> * Count set bits in map. Completed in O(n/8) time.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment"> * @param bm The bitmaptor to count bits in</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment"> * @return The number of set bits</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="bitmap_8h.html#a36b34f5fe906fb8de09859f10ebbc12e">bitmap_count_set_bits</a>(<span class="keyword">const</span> bitmap *bm);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment"> * Count unset bits in map. Completed in O(n/8) time.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"> * @param bm The bitmaptor to count bits in</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment"> * @return The number of set bits</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="bitmap_8h.html#a88fdad890d533243f692584f966ddb71">bitmap_count_unset_bits</a>(<span class="keyword">const</span> bitmap *bm);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment"> * Unset all bits in a bitmap</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment"> * @param bm The bitmap to clear</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="bitmap_8h.html#a621e8f4bbc3401e6f833f5a3df904a66">bitmap_clear</a>(bitmap *bm);</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"> * Calculate intersection of two bitmaps</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"> * The intersection is defined as all bits that are members of</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> * both A and B. It&#39;s equivalent to bitwise AND.</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"> * This function completes in O(n/sizeof(long)) operations.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"> * @param a The first bitmaptor</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment"> * @param b The second bitmaptor</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment"> * @return NULL on errors; A newly created bitmaptor on success.</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#a3f3798a3c5b83114a16ad3225e695300">bitmap_intersect</a>(<span class="keyword">const</span> bitmap *a, <span class="keyword">const</span> bitmap *b);</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment"> * Calculate union of two bitmaps</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment"> * The union is defined as all bits that are members of</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment"> * A or B or both A and B. It&#39;s equivalent to bitwise OR.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment"> * This function completes in O(n/sizeof(long)) operations.</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment"> * @param a The first bitmaptor</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment"> * @param b The second bitmaptor</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment"> * @return NULL on errors; A newly created bitmaptor on success.</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#ae7912606995b5bd22452f23b843f0cd3">bitmap_union</a>(<span class="keyword">const</span> bitmap *a, <span class="keyword">const</span> bitmap *b);</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment"> * Calculate union of two bitmaps and store result in one of them</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment"> * @param res The first bitmap</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment"> * @param addme The bitmap to unite to the first bitmap</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment"> * @return NULL on errors, res on success</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#a6398726cbb15e5bcc3a1a20c09a1d620">bitmap_unite</a>(bitmap *res, <span class="keyword">const</span> bitmap *addme);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment"> * Calculate set difference between two bitmaps</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment"> * The set difference of A / B is defined as all members of A</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment"> * that isn&#39;t members of B. Note that parameter ordering matters</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment"> * for this function.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="comment"> * This function completes in O(n/sizeof(long)) operations.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="comment"> * @param a The first bitmaptor (numerator)</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment"> * @param b The first bitmaptor (denominator)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment"> * @return NULL on errors; A newly created bitmaptor on success.</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#a5cc918f8a86d7ed60b99972deed2f9c1">bitmap_diff</a>(<span class="keyword">const</span> bitmap *a, <span class="keyword">const</span> bitmap *b);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="comment"> * Calculate symmetric difference between two bitmaps</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="comment"> * The symmetric difference between A and B is the set that</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="comment"> * contains all elements in either set but not in both.</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="comment"> * This function completes in O(n/sizeof(long)) operations.</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment"> * @param a The first bitmaptor</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment"> * @param b The second bitmaptor</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="keyword">extern</span> bitmap *<a class="code" href="bitmap_8h.html#ab19ee1287ef544fc2720da707d8994af">bitmap_symdiff</a>(<span class="keyword">const</span> bitmap *a, <span class="keyword">const</span> bitmap *b);</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="comment"> * Compare two bitmaps for equality</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="comment"> * @param a The first bitmaptor</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="comment"> * @param b The other bitmaptor</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="comment"> * @return Similar to memcmp(), with tiebreaks determined by cardinality</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="bitmap_8h.html#ae8bd899daf6b1f890d6cc54f97f2cce0">bitmap_cmp</a>(<span class="keyword">const</span> bitmap *a, <span class="keyword">const</span> bitmap *b);<span class="comment"></span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="comment">/** @} */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* LIBNAGIOS_bitmap_h__ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="bitmap_8h_html_ab19ee1287ef544fc2720da707d8994af"><div class="ttname"><a href="bitmap_8h.html#ab19ee1287ef544fc2720da707d8994af">bitmap_symdiff</a></div><div class="ttdeci">bitmap * bitmap_symdiff(const bitmap *a, const bitmap *b)</div><div class="ttdoc">Calculate symmetric difference between two bitmaps The symmetric difference between A and B is the se...</div></div>
<div class="ttc" id="bitmap_8h_html_a621e8f4bbc3401e6f833f5a3df904a66"><div class="ttname"><a href="bitmap_8h.html#a621e8f4bbc3401e6f833f5a3df904a66">bitmap_clear</a></div><div class="ttdeci">void bitmap_clear(bitmap *bm)</div><div class="ttdoc">Unset all bits in a bitmap. </div></div>
<div class="ttc" id="bitmap_8h_html_a88fdad890d533243f692584f966ddb71"><div class="ttname"><a href="bitmap_8h.html#a88fdad890d533243f692584f966ddb71">bitmap_count_unset_bits</a></div><div class="ttdeci">unsigned long bitmap_count_unset_bits(const bitmap *bm)</div><div class="ttdoc">Count unset bits in map. </div></div>
<div class="ttc" id="bitmap_8h_html_a7adb33826e021cfda5718653a92585cc"><div class="ttname"><a href="bitmap_8h.html#a7adb33826e021cfda5718653a92585cc">bitmap_unset</a></div><div class="ttdeci">int bitmap_unset(bitmap *bm, unsigned long pos)</div><div class="ttdoc">Unset a particular bit in the map. </div></div>
<div class="ttc" id="bitmap_8h_html_a320b74f09439cec263cb75097d404ef6"><div class="ttname"><a href="bitmap_8h.html#a320b74f09439cec263cb75097d404ef6">bitmap_resize</a></div><div class="ttdeci">int bitmap_resize(bitmap *bm, unsigned long size)</div><div class="ttdoc">Resize a bitmap If the bitmap is made smaller, data will silently be lost. </div></div>
<div class="ttc" id="bitmap_8h_html_af5789a6348bf94b3b47d82717dc76cbc"><div class="ttname"><a href="bitmap_8h.html#af5789a6348bf94b3b47d82717dc76cbc">bitmap_copy</a></div><div class="ttdeci">bitmap * bitmap_copy(const bitmap *bm)</div><div class="ttdoc">Copy a bitmaptor. </div></div>
<div class="ttc" id="bitmap_8h_html_a9001629114e98185f3de713bc128db79"><div class="ttname"><a href="bitmap_8h.html#a9001629114e98185f3de713bc128db79">bitmap_create</a></div><div class="ttdeci">bitmap * bitmap_create(unsigned long size)</div><div class="ttdoc">Create a bitmaptor of size &amp;#39;size&amp;#39;. </div></div>
<div class="ttc" id="bitmap_8h_html_a7543817ea7a0f3ab5564470854face7f"><div class="ttname"><a href="bitmap_8h.html#a7543817ea7a0f3ab5564470854face7f">bitmap_set</a></div><div class="ttdeci">int bitmap_set(bitmap *bm, unsigned long pos)</div><div class="ttdoc">Set a bit in the map. </div></div>
<div class="ttc" id="bitmap_8h_html_ae7912606995b5bd22452f23b843f0cd3"><div class="ttname"><a href="bitmap_8h.html#ae7912606995b5bd22452f23b843f0cd3">bitmap_union</a></div><div class="ttdeci">bitmap * bitmap_union(const bitmap *a, const bitmap *b)</div><div class="ttdoc">Calculate union of two bitmaps The union is defined as all bits that are members of A or B or both A ...</div></div>
<div class="ttc" id="bitmap_8h_html_a36b34f5fe906fb8de09859f10ebbc12e"><div class="ttname"><a href="bitmap_8h.html#a36b34f5fe906fb8de09859f10ebbc12e">bitmap_count_set_bits</a></div><div class="ttdeci">unsigned long bitmap_count_set_bits(const bitmap *bm)</div><div class="ttdoc">Count set bits in map. </div></div>
<div class="ttc" id="bitmap_8h_html_ade96a1d41217133b0a126269a425f43c"><div class="ttname"><a href="bitmap_8h.html#ade96a1d41217133b0a126269a425f43c">bitmap_isset</a></div><div class="ttdeci">int bitmap_isset(const bitmap *bm, unsigned long pos)</div><div class="ttdoc">Check if a particular bit is set in the map. </div></div>
<div class="ttc" id="bitmap_8h_html_a5cc918f8a86d7ed60b99972deed2f9c1"><div class="ttname"><a href="bitmap_8h.html#a5cc918f8a86d7ed60b99972deed2f9c1">bitmap_diff</a></div><div class="ttdeci">bitmap * bitmap_diff(const bitmap *a, const bitmap *b)</div><div class="ttdoc">Calculate set difference between two bitmaps The set difference of A / B is defined as all members of...</div></div>
<div class="ttc" id="bitmap_8h_html_a58ee6def2e0c32c5da45523cd446eefe"><div class="ttname"><a href="bitmap_8h.html#a58ee6def2e0c32c5da45523cd446eefe">bitmap_destroy</a></div><div class="ttdeci">void bitmap_destroy(bitmap *bm)</div><div class="ttdoc">Destroy a bitmaptor by freeing all the memory it uses. </div></div>
<div class="ttc" id="bitmap_8h_html_a3f3798a3c5b83114a16ad3225e695300"><div class="ttname"><a href="bitmap_8h.html#a3f3798a3c5b83114a16ad3225e695300">bitmap_intersect</a></div><div class="ttdeci">bitmap * bitmap_intersect(const bitmap *a, const bitmap *b)</div><div class="ttdoc">Calculate intersection of two bitmaps The intersection is defined as all bits that are members of bot...</div></div>
<div class="ttc" id="bitmap_8h_html_ae8bd899daf6b1f890d6cc54f97f2cce0"><div class="ttname"><a href="bitmap_8h.html#ae8bd899daf6b1f890d6cc54f97f2cce0">bitmap_cmp</a></div><div class="ttdeci">int bitmap_cmp(const bitmap *a, const bitmap *b)</div><div class="ttdoc">Compare two bitmaps for equality. </div></div>
<div class="ttc" id="bitmap_8h_html_a29975ed2f9842ae16eb2b56d3dde62cb"><div class="ttname"><a href="bitmap_8h.html#a29975ed2f9842ae16eb2b56d3dde62cb">bitmap_cardinality</a></div><div class="ttdeci">unsigned long bitmap_cardinality(const bitmap *bm)</div><div class="ttdoc">Obtain cardinality (max number of elements) of the bitmaptor. </div></div>
<div class="ttc" id="bitmap_8h_html_a6398726cbb15e5bcc3a1a20c09a1d620"><div class="ttname"><a href="bitmap_8h.html#a6398726cbb15e5bcc3a1a20c09a1d620">bitmap_unite</a></div><div class="ttdeci">bitmap * bitmap_unite(bitmap *res, const bitmap *addme)</div><div class="ttdoc">Calculate union of two bitmaps and store result in one of them. </div></div>
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