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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>CLAM-Development: Search.hxx Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">CLAM-Development  <span id="projectnumber">1.4.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.1 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_d4791cbe27cfad621555cea90f9c50f6.html">Standard</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">Search.hxx</div> </div> </div><!--header--> <div class="contents"> <a href="Search_8hxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef _Search_</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define _Search_</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="OSDefines_8hxx.html">OSDefines.hxx</a>"</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="DataTypes_8hxx.html">DataTypes.hxx</a>"</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>CLAM {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html"> 30</a></span> <span class="keyword">template</span> <<span class="keyword">class</span> U, <span class="keyword">class</span> T> <span class="keyword">class </span><a class="code" href="classCLAM_1_1Search.html">Search</a></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">/* Based on locate() and hunt(), Numerical Recipes,second Edition, 117 */</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> <a class="code" href="LibXmlEncodings_8hxx.html#a26106548434415adf7738a78baa2a936">U</a>* mpData;</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a0fe47146290ede5c1ebddc80be5c1b2e"> 36</a></span>  <a class="code" href="classCLAM_1_1Search.html#a0fe47146290ede5c1ebddc80be5c1b2e">Search</a>()</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  mpData = <a class="code" href="OSDefines_8hxx.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div> <div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a8daa612ed427469c9f660240e16cccca"> 40</a></span>  <a class="code" href="classCLAM_1_1Search.html#a0fe47146290ede5c1ebddc80be5c1b2e">Search</a>(<span class="keyword">const</span> <a class="code" href="LibXmlEncodings_8hxx.html#a26106548434415adf7738a78baa2a936">U</a>& array)</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="classCLAM_1_1Search.html#a249740be9932a188fc377303c081b16d">Set</a>(array);</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> <div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a73d9c1af5e4fa6fdee239fadb958cc60"> 44</a></span>  <a class="code" href="classCLAM_1_1Search.html#a73d9c1af5e4fa6fdee239fadb958cc60">~Search</a>()</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div> <div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a249740be9932a188fc377303c081b16d"> 48</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1Search.html#a249740be9932a188fc377303c081b16d">Set</a>(<span class="keyword">const</span> <a class="code" href="LibXmlEncodings_8hxx.html#a26106548434415adf7738a78baa2a936">U</a>& array)</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  mpData = &array;</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> <div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a48af14c880010b7cab0f638953c07ce0"> 52</a></span>  <a class="code" href="classint.html">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#a48af14c880010b7cab0f638953c07ce0">Find</a>(<span class="keyword">const</span> T& value,<a class="code" href="classint.html">TIndex</a> prevIndex=0)<span class="keyword"> const</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1Search.html#ab1d450353875f68e065fb33e753a8bce">Hunt</a>(value,prevIndex);</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="namespaceCLAM.html#af934e7dd545c1aed1cd0fd551c135122">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ab1d450353875f68e065fb33e753a8bce">Hunt</a>(<span class="keyword">const</span> T& value,<a class="code" href="namespaceCLAM.html#af934e7dd545c1aed1cd0fd551c135122">TIndex</a> prevIndex=0) <span class="keyword">const</span>;</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79"> 58</a></span>  <a class="code" href="classint.html">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Bisection</a>(<span class="keyword">const</span> T& value)<span class="keyword"> const</span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Bisection</a>(value,0,mpData->Size());</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div> <div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a825f7ad25efcdf04b5a0278dc9eed48f"> 62</a></span>  <a class="code" href="classint.html">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Bisection</a>(<span class="keyword">const</span> T& value,<a class="code" href="classint.html">TIndex</a> lowerLimit)<span class="keyword"> const</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Bisection</a>(value,lowerLimit,mpData->Size());</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="namespaceCLAM.html#af934e7dd545c1aed1cd0fd551c135122">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Bisection</a>(<span class="keyword">const</span> T& value,<a class="code" href="namespaceCLAM.html#af934e7dd545c1aed1cd0fd551c135122">TIndex</a> lowerLimit,<a class="code" href="namespaceCLAM.html#af934e7dd545c1aed1cd0fd551c135122">TIndex</a> upperLimit) <span class="keyword">const</span>;</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> };</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span> <<span class="keyword">class</span> U, <span class="keyword">class</span> T> </div> <div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#ab1d450353875f68e065fb33e753a8bce"> 71</a></span>  <span class="keyword">inline</span> <a class="code" href="classint.html">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ab1d450353875f68e065fb33e753a8bce">Search<U,T>::Hunt</a>(</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> T& value,<a class="code" href="classint.html">TIndex</a> guessIndex)<span class="keyword"> const</span></div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword"></span>{</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classint.html">TIndex</a> result;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classint.html">TIndex</a> n = mpData->Size();</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (guessIndex<0 || guessIndex>=n)</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> Bisection(value);</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">bool</span> ascending = (*mpData)[n-1] >= (*mpData)[0];</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classint.html">TIndex</a> inc = 1;</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classint.html">TIndex</a> upperLimit;</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> ( (value >= (*mpData)[guessIndex]) == ascending)</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (guessIndex == n-1)</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> -1;<span class="comment">//X.A. changed to -1 for consistency</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  upperLimit = guessIndex+1;</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">while</span> ( (value >= (*mpData)[upperLimit]) == ascending)</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  guessIndex = upperLimit;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  inc += inc;</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  upperLimit += inc;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (upperLimit >= n) {</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  result=Bisection(value,guessIndex);</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span>(result==n-1) <span class="keywordflow">return</span> -1;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">else</span> <span class="keywordflow">return</span> result;</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  } <span class="keywordflow">else</span> {</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (guessIndex==0) <span class="keywordflow">return</span> -1;</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  upperLimit = guessIndex--;</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">while</span> ( (value < (*mpData)[guessIndex]) == ascending)</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  upperLimit = guessIndex;</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  inc += inc;</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (inc >= upperLimit) {</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  result = Bisection(value,0,upperLimit);</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>(result==0) <span class="keywordflow">return</span> -1;</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">else</span> <span class="keywordflow">return</span> result;</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  guessIndex = upperLimit-inc;</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> Bisection(value,guessIndex,upperLimit);</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">template</span> <<span class="keyword">class</span> U, <span class="keyword">class</span> T> </div> <div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="classCLAM_1_1Search.html#a6a12d76dd597c63a4b6fdd9d0c5acd57"> 118</a></span>  <span class="keyword">inline</span> <a class="code" href="classint.html">TIndex</a> <a class="code" href="classCLAM_1_1Search.html#ac91de426631dce86c97f87ad2921ae79">Search<U,T>::Bisection</a>(</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> T& value,<a class="code" href="classint.html">TIndex</a> lowerLimit,<a class="code" href="classint.html">TIndex</a> upperLimit)<span class="keyword"> const</span></div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword"></span>{</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  lowerLimit--;</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">bool</span> ascending = (*mpData)[mpData->Size()-1] >= (*mpData)[0];</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">while</span> (upperLimit-lowerLimit > 1)</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classint.html">TIndex</a> midPoint = (upperLimit+lowerLimit)>>1;</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> ( (value >= (*mpData)[midPoint]) == ascending)</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  lowerLimit = midPoint;</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  upperLimit = midPoint;</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> lowerLimit;</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"></span></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.1 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