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| date | Wed, 20 Jan 2016 09:10:43 -0500 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Code:Fingerprints::FingerprintsBitVector.pm</title> | |
| 4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| 5 <link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> | |
| 6 </head> | |
| 7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> | |
| 8 <br/> | |
| 9 <center> | |
| 10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> | |
| 11 </center> | |
| 12 <br/> | |
| 13 <pre> | |
| 14 <a name="package-Fingerprints::FingerprintsBitVector-"></a> 1 <span class="k">package </span><span class="i">Fingerprints::FingerprintsBitVector</span><span class="sc">;</span> | |
| 15 2 <span class="c">#</span> | |
| 16 3 <span class="c"># $RCSfile: FingerprintsBitVector.pm,v $</span> | |
| 17 4 <span class="c"># $Date: 2015/02/28 20:48:54 $</span> | |
| 18 5 <span class="c"># $Revision: 1.27 $</span> | |
| 19 6 <span class="c">#</span> | |
| 20 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> | |
| 21 8 <span class="c">#</span> | |
| 22 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> | |
| 23 10 <span class="c">#</span> | |
| 24 11 <span class="c"># This file is part of MayaChemTools.</span> | |
| 25 12 <span class="c">#</span> | |
| 26 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> | |
| 27 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> | |
| 28 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> | |
| 29 16 <span class="c"># later version.</span> | |
| 30 17 <span class="c">#</span> | |
| 31 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> | |
| 32 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> | |
| 33 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span> | |
| 34 21 <span class="c"># details.</span> | |
| 35 22 <span class="c">#</span> | |
| 36 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> | |
| 37 24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> | |
| 38 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> | |
| 39 26 <span class="c"># Boston, MA, 02111-1307, USA.</span> | |
| 40 27 <span class="c">#</span> | |
| 41 28 | |
| 42 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> | |
| 43 30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span> | |
| 44 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> | |
| 45 32 <span class="k">use</span> <span class="w">Scalar::Util</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 46 33 <span class="k">use</span> <span class="w">BitVector</span><span class="sc">;</span> | |
| 47 34 <span class="k">use</span> <span class="w">MathUtil</span><span class="sc">;</span> | |
| 48 35 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 49 36 | |
| 50 37 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span> | |
| 51 38 | |
| 52 39 <span class="i">@ISA</span> = <span class="q">qw(BitVector Exporter)</span><span class="sc">;</span> | |
| 53 40 | |
| 54 41 <span class="c"># Similiarity coefficients...</span> | |
| 55 42 <span class="k">my</span><span class="s">(</span><span class="i">@SimilarityCoefficients</span><span class="s">)</span> = <span class="q">qw(BaroniUrbaniSimilarityCoefficient BuserSimilarityCoefficient CosineSimilarityCoefficient DiceSimilarityCoefficient DennisSimilarityCoefficient ForbesSimilarityCoefficient FossumSimilarityCoefficient HamannSimilarityCoefficient JacardSimilarityCoefficient Kulczynski1SimilarityCoefficient Kulczynski2SimilarityCoefficient MatchingSimilarityCoefficient McConnaugheySimilarityCoefficient OchiaiSimilarityCoefficient PearsonSimilarityCoefficient RogersTanimotoSimilarityCoefficient RussellRaoSimilarityCoefficient SimpsonSimilarityCoefficient SkoalSneath1SimilarityCoefficient SkoalSneath2SimilarityCoefficient SkoalSneath3SimilarityCoefficient TanimotoSimilarityCoefficient TverskySimilarityCoefficient YuleSimilarityCoefficient WeightedTanimotoSimilarityCoefficient WeightedTverskySimilarityCoefficient)</span><span class="sc">;</span> | |
| 56 43 | |
| 57 44 <span class="c"># New from string...</span> | |
| 58 45 <span class="k">my</span><span class="s">(</span><span class="i">@NewFromString</span><span class="s">)</span> = <span class="q">qw(NewFromBinaryString NewFromHexadecimalString NewFromRawBinaryString)</span><span class="sc">;</span> | |
| 59 46 | |
| 60 47 <span class="i">@EXPORT</span> = <span class="q">qw(IsFingerprintsBitVector)</span><span class="sc">;</span> | |
| 61 48 <span class="i">@EXPORT_OK</span> = <span class="q">qw(GetSupportedSimilarityCoefficients @NewFromString @SimilarityCoefficients)</span><span class="sc">;</span> | |
| 62 49 | |
| 63 50 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span> | |
| 64 51 <span class="w">new</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@NewFromString</span><span class="s">]</span><span class="cm">,</span> | |
| 65 52 <span class="w">coefficients</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@SimilarityCoefficients</span><span class="s">]</span><span class="cm">,</span> | |
| 66 53 <span class="w">all</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span> | |
| 67 54 <span class="s">)</span><span class="sc">;</span> | |
| 68 55 | |
| 69 56 <span class="c"># Setup class variables...</span> | |
| 70 57 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span> | |
| 71 58 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 72 59 | |
| 73 60 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifyFingerprintsBitVector'</span><span class="sc">;</span> | |
| 74 61 | |
| 75 62 <span class="c"># Class constructor...</span> | |
| 76 <a name="new-"></a> 63 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> | |
| 77 64 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 78 65 | |
| 79 66 <span class="c"># Initialize object...</span> | |
| 80 67 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="sc">;</span> | |
| 81 68 <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span> | |
| 82 69 <span class="i">$This</span><span class="i">->_InitializeFingerprintsBitVector</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="sc">;</span> | |
| 83 70 | |
| 84 71 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 85 72 <span class="s">}</span> | |
| 86 73 | |
| 87 74 <span class="c"># Initialize object data...</span> | |
| 88 75 <span class="c">#</span> | |
| 89 76 <span class="c"># Note:</span> | |
| 90 77 <span class="c"># . The class, BitVector, used to derive this class provides all the functionality to</span> | |
| 91 78 <span class="c"># manipulate bits.</span> | |
| 92 79 <span class="c"># . Irrespective of specified size, Perl functions used to handle bit data in</span> | |
| 93 80 <span class="c"># BitVector class automatically sets the size to the next nearest power of 2.</span> | |
| 94 81 <span class="c"># SpecifiedSize is used by this class to process any aribitray size during similarity</span> | |
| 95 82 <span class="c"># coefficient calculations.</span> | |
| 96 83 <span class="c">#</span> | |
| 97 <a name="_InitializeFingerprintsBitVector-"></a> 84 <span class="k">sub </span><span class="m">_InitializeFingerprintsBitVector</span> <span class="s">{</span> | |
| 98 85 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 99 86 | |
| 100 87 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span> <span class="i">$Size</span><span class="s">)</span> <span class="s">{</span> | |
| 101 88 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->new: FingerprintsBitVector object instantiated without specifying its size ..."</span><span class="sc">;</span> | |
| 102 89 <span class="s">}</span> | |
| 103 90 <span class="k">if</span> <span class="s">(</span><span class="i">$Size</span> <=<span class="n">0</span><span class="s">)</span> <span class="s">{</span> | |
| 104 91 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->new: Fingerprints bit vector size, $Size, must be a positive integer..."</span><span class="sc">;</span> | |
| 105 92 <span class="s">}</span> | |
| 106 93 | |
| 107 94 <span class="c"># Specified size of fingerprints...</span> | |
| 108 95 <span class="i">$This</span>->{<span class="w">SpecifiedSize</span>} = <span class="i">$Size</span><span class="sc">;</span> | |
| 109 96 | |
| 110 97 <span class="s">}</span> | |
| 111 98 | |
| 112 99 <span class="c"># Initialize class ...</span> | |
| 113 <a name="_InitializeClass-"></a> 100 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> | |
| 114 101 <span class="c">#Class name...</span> | |
| 115 102 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> | |
| 116 103 <span class="s">}</span> | |
| 117 104 | |
| 118 105 <span class="c"># Set specified size...</span> | |
| 119 106 <span class="c">#</span> | |
| 120 107 <span class="c"># Notes:</span> | |
| 121 108 <span class="c"># Irrespective of specified size, Perl functions used to handle bit data in</span> | |
| 122 109 <span class="c"># BitVector class automatically sets the size to the next nearest power of 2.</span> | |
| 123 110 <span class="c"># SpecifiedSize is used by this class to process any aribitray size during similarity</span> | |
| 124 111 <span class="c"># coefficient calculations.</span> | |
| 125 112 <span class="c">#</span> | |
| 126 <a name="SetSpecifiedSize-"></a> 113 <span class="k">sub </span><span class="m">SetSpecifiedSize</span> <span class="s">{</span> | |
| 127 114 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$SpecifiedSize</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 128 115 | |
| 129 116 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">$SpecifiedSize</span> > <span class="n">0</span> && <span class="i">$SpecifiedSize</span> <= <span class="i">$This</span>->{<span class="w">Size</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 130 117 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->SetSpecifiedSize: Specified size, $SpecifiedSize, is not valid: It must be > 0 && <= "</span><span class="cm">,</span> <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="cm">,</span><span class="q">" ..."</span><span class="sc">;</span> | |
| 131 118 <span class="s">}</span> | |
| 132 119 <span class="i">$This</span>->{<span class="w">SpecifiedSize</span>} = <span class="i">$SpecifiedSize</span><span class="sc">;</span> | |
| 133 120 <span class="s">}</span> | |
| 134 121 | |
| 135 122 <span class="c"># Get specified size...</span> | |
| 136 <a name="GetSpecifiedSize-"></a> 123 <span class="k">sub </span><span class="m">GetSpecifiedSize</span> <span class="s">{</span> | |
| 137 124 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 138 125 | |
| 139 126 <span class="k">return</span> <span class="i">$This</span>->{<span class="w">SpecifiedSize</span>}<span class="sc">;</span> | |
| 140 127 <span class="s">}</span> | |
| 141 128 | |
| 142 129 <span class="c"># Set ID...</span> | |
| 143 <a name="SetID-"></a> 130 <span class="k">sub </span><span class="m">SetID</span> <span class="s">{</span> | |
| 144 131 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 145 132 | |
| 146 133 <span class="i">$This</span>->{<span class="w">ID</span>} = <span class="i">$Value</span><span class="sc">;</span> | |
| 147 134 | |
| 148 135 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 149 136 <span class="s">}</span> | |
| 150 137 | |
| 151 138 <span class="c"># Get ID...</span> | |
| 152 <a name="GetID-"></a> 139 <span class="k">sub </span><span class="m">GetID</span> <span class="s">{</span> | |
| 153 140 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 154 141 | |
| 155 142 <span class="k">return</span> <span class="k">exists</span> <span class="i">$This</span>->{<span class="w">ID</span>} ? <span class="i">$This</span>->{<span class="w">ID</span>} <span class="co">:</span> <span class="q">'None'</span><span class="sc">;</span> | |
| 156 143 <span class="s">}</span> | |
| 157 144 | |
| 158 145 <span class="c"># Set description...</span> | |
| 159 <a name="SetDescription-"></a> 146 <span class="k">sub </span><span class="m">SetDescription</span> <span class="s">{</span> | |
| 160 147 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 161 148 | |
| 162 149 <span class="i">$This</span>->{<span class="w">Description</span>} = <span class="i">$Value</span><span class="sc">;</span> | |
| 163 150 | |
| 164 151 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 165 152 <span class="s">}</span> | |
| 166 153 | |
| 167 154 <span class="c"># Get description...</span> | |
| 168 <a name="GetDescription-"></a> 155 <span class="k">sub </span><span class="m">GetDescription</span> <span class="s">{</span> | |
| 169 156 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 170 157 | |
| 171 158 <span class="k">return</span> <span class="k">exists</span> <span class="i">$This</span>->{<span class="w">Description</span>} ? <span class="i">$This</span>->{<span class="w">Description</span>} <span class="co">:</span> <span class="q">'No description available'</span><span class="sc">;</span> | |
| 172 159 <span class="s">}</span> | |
| 173 160 | |
| 174 161 <span class="c"># Set vector type...</span> | |
| 175 <a name="SetVectorType-"></a> 162 <span class="k">sub </span><span class="m">SetVectorType</span> <span class="s">{</span> | |
| 176 163 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 177 164 | |
| 178 165 <span class="i">$This</span>->{<span class="w">VectorType</span>} = <span class="i">$Value</span><span class="sc">;</span> | |
| 179 166 | |
| 180 167 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 181 168 <span class="s">}</span> | |
| 182 169 | |
| 183 170 <span class="c"># Get vector type...</span> | |
| 184 <a name="GetVectorType-"></a> 171 <span class="k">sub </span><span class="m">GetVectorType</span> <span class="s">{</span> | |
| 185 172 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 186 173 | |
| 187 174 <span class="k">return</span> <span class="k">exists</span> <span class="i">$This</span>->{<span class="w">VectorType</span>} ? <span class="i">$This</span>->{<span class="w">VectorType</span>} <span class="co">:</span> <span class="q">'FingerprintsBitVector'</span><span class="sc">;</span> | |
| 188 175 <span class="s">}</span> | |
| 189 176 | |
| 190 177 <span class="c"># Create a new fingerprints bit vector using binary string. This functionality can be</span> | |
| 191 178 <span class="c"># either invoked as a class function or an object method.</span> | |
| 192 179 <span class="c">#</span> | |
| 193 <a name="NewFromBinaryString-"></a> 180 <span class="k">sub </span><span class="m">NewFromBinaryString ($;$)</span> <span class="s">{</span> | |
| 194 181 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 195 182 | |
| 196 183 <span class="k">if</span> <span class="s">(</span><span class="i">_IsFingerprintsBitVector</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 197 184 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span><span class="q">'Binary'</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 198 185 <span class="s">}</span> | |
| 199 186 <span class="k">else</span> <span class="s">{</span> | |
| 200 187 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span> <span class="q">'Binary'</span><span class="cm">,</span> <span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 201 188 <span class="s">}</span> | |
| 202 189 <span class="s">}</span> | |
| 203 190 | |
| 204 191 <span class="c"># Create a new fingerprints bit vector using hexadecimal string. This functionality can be</span> | |
| 205 192 <span class="c"># either invoked as a class function or an object method.</span> | |
| 206 193 <span class="c">#</span> | |
| 207 <a name="NewFromHexadecimalString-"></a> 194 <span class="k">sub </span><span class="m">NewFromHexadecimalString ($;$)</span> <span class="s">{</span> | |
| 208 195 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 209 196 | |
| 210 197 <span class="k">if</span> <span class="s">(</span><span class="i">_IsFingerprintsBitVector</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 211 198 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span><span class="q">'Hexadecimal'</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 212 199 <span class="s">}</span> | |
| 213 200 <span class="k">else</span> <span class="s">{</span> | |
| 214 201 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span> <span class="q">'Hexadecimal'</span><span class="cm">,</span> <span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 215 202 <span class="s">}</span> | |
| 216 203 <span class="s">}</span> | |
| 217 204 | |
| 218 205 <span class="c"># Create a new fingerprints bit vector using octal string. This functionality can be</span> | |
| 219 206 <span class="c"># either invoked as a class function or an object method.</span> | |
| 220 207 <span class="c">#</span> | |
| 221 208 <span class="c">#</span> | |
| 222 <a name="NewFromOctalString-"></a> 209 <span class="k">sub </span><span class="m">NewFromOctalString ($)</span> <span class="s">{</span> | |
| 223 210 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->NewFromOctalString: Creation of fingerprits bit vector from an octal string is not supported ..."</span><span class="sc">;</span> | |
| 224 211 <span class="s">}</span> | |
| 225 212 | |
| 226 213 <span class="c"># Create a new fingerprints bit vector using decimal string. This functionality can be</span> | |
| 227 214 <span class="c"># either invoked as a class function or an object method.</span> | |
| 228 215 <span class="c">#</span> | |
| 229 <a name="NewFromDecimalString-"></a> 216 <span class="k">sub </span><span class="m">NewFromDecimalString ($;$)</span> <span class="s">{</span> | |
| 230 217 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->NewFromDecimalString: Creation of fingerprits bit vector from a decimal string is not supported ..."</span><span class="sc">;</span> | |
| 231 218 <span class="s">}</span> | |
| 232 219 | |
| 233 220 <span class="c"># Create a new fingerprints bit vector using raw binary string. This functionality can be</span> | |
| 234 221 <span class="c"># either invoked as a class function or an object method.</span> | |
| 235 222 <span class="c">#</span> | |
| 236 <a name="NewFromRawBinaryString-"></a> 223 <span class="k">sub </span><span class="m">NewFromRawBinaryString ($;$)</span> <span class="s">{</span> | |
| 237 224 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 238 225 | |
| 239 226 <span class="k">if</span> <span class="s">(</span><span class="i">_IsFingerprintsBitVector</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 240 227 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span><span class="q">'RawBinary'</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="cm">,</span> <span class="i">$ThirdParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 241 228 <span class="s">}</span> | |
| 242 229 <span class="k">else</span> <span class="s">{</span> | |
| 243 230 <span class="k">return</span> <span class="i">_NewFingerptinsBitVectorFromString</span><span class="s">(</span> <span class="q">'RawBinary'</span><span class="cm">,</span> <span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span> | |
| 244 231 <span class="s">}</span> | |
| 245 232 <span class="s">}</span> | |
| 246 233 | |
| 247 234 <span class="c"># Create a new fingerprints bit vector from a string...</span> | |
| 248 235 <span class="c">#</span> | |
| 249 236 <span class="c">#</span> | |
| 250 <a name="_NewFingerptinsBitVectorFromString-"></a> 237 <span class="k">sub </span><span class="m">_NewFingerptinsBitVectorFromString ($$;$)</span> <span class="s">{</span> | |
| 251 238 <span class="k">my</span><span class="s">(</span><span class="i">$Format</span><span class="cm">,</span> <span class="i">$String</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 252 239 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVector</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span><span class="sc">;</span> | |
| 253 240 | |
| 254 241 <span class="i">$Size</span> = <span class="i">BitVector::_CalculateStringSizeInBits</span><span class="s">(</span><span class="i">$Format</span><span class="cm">,</span> <span class="i">$String</span><span class="s">)</span><span class="sc">;</span> | |
| 255 242 | |
| 256 243 <span class="i">$FingerprintsBitVector</span> = <span class="i">new</span> <span class="i">Fingerprints::FingerprintsBitVector</span><span class="s">(</span><span class="i">$Size</span><span class="s">)</span><span class="sc">;</span> | |
| 257 244 <span class="i">$FingerprintsBitVector</span><span class="i">->_SetBitsAsString</span><span class="s">(</span><span class="i">$Format</span><span class="cm">,</span> <span class="i">$String</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span><span class="sc">;</span> | |
| 258 245 | |
| 259 246 <span class="k">return</span> <span class="i">$FingerprintsBitVector</span><span class="sc">;</span> | |
| 260 247 <span class="s">}</span> | |
| 261 248 | |
| 262 249 <span class="c"># Get fingerprint bits as a hexadecimal string...</span> | |
| 263 250 <span class="c">#</span> | |
| 264 <a name="GetBitsAsHexadecimalString-"></a> 251 <span class="k">sub </span><span class="m">GetBitsAsHexadecimalString</span> <span class="s">{</span> | |
| 265 252 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 266 253 | |
| 267 254 <span class="k">return</span> <span class="i">$This</span><span class="i">->_GetFingerprintBitsAsString</span><span class="s">(</span><span class="q">'Hexadecimal'</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span><span class="sc">;</span> | |
| 268 255 <span class="s">}</span> | |
| 269 256 | |
| 270 257 <span class="c"># Get fingerprint bits as an octal string...</span> | |
| 271 258 <span class="c">#</span> | |
| 272 <a name="GetBitsAsOctalString-"></a> 259 <span class="k">sub </span><span class="m">GetBitsAsOctalString</span> <span class="s">{</span> | |
| 273 260 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 274 261 | |
| 275 262 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->GetBitsAsOctalString: Retrieval of fingerprits bits as an octal string is not supported ..."</span><span class="sc">;</span> | |
| 276 263 <span class="s">}</span> | |
| 277 264 | |
| 278 265 <span class="c"># Get fingerprint bits as an decimal string...</span> | |
| 279 266 <span class="c">#</span> | |
| 280 <a name="GetBitsAsDecimalString-"></a> 267 <span class="k">sub </span><span class="m">GetBitsAsDecimalString</span> <span class="s">{</span> | |
| 281 268 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 282 269 | |
| 283 270 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->GetBitsAsOctalString: Retrieval of fingerprits bits as a decimal string is not supported ..."</span><span class="sc">;</span> | |
| 284 271 <span class="s">}</span> | |
| 285 272 | |
| 286 273 <span class="c"># Get fingerprint bits as a binary string conatning 1s and 0s...</span> | |
| 287 274 <span class="c">#</span> | |
| 288 <a name="GetBitsAsBinaryString-"></a> 275 <span class="k">sub </span><span class="m">GetBitsAsBinaryString</span> <span class="s">{</span> | |
| 289 276 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 290 277 | |
| 291 278 <span class="k">return</span> <span class="i">$This</span><span class="i">->_GetFingerprintBitsAsString</span><span class="s">(</span><span class="q">'Binary'</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span><span class="sc">;</span> | |
| 292 279 <span class="s">}</span> | |
| 293 280 | |
| 294 281 <span class="c"># Get fingerprint bits as a binary string conatning 1s and 0s...</span> | |
| 295 282 <span class="c">#</span> | |
| 296 <a name="GetBitsAsRawBinaryString-"></a> 283 <span class="k">sub </span><span class="m">GetBitsAsRawBinaryString</span> <span class="s">{</span> | |
| 297 284 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 298 285 | |
| 299 286 <span class="k">return</span> <span class="i">$This</span><span class="i">->_GetFingerprintBitsAsString</span><span class="s">(</span><span class="q">'RawBinary'</span><span class="s">)</span><span class="sc">;</span> | |
| 300 287 <span class="s">}</span> | |
| 301 288 | |
| 302 289 <span class="c"># Return fingerprint bits as a string...</span> | |
| 303 290 <span class="c">#</span> | |
| 304 <a name="_GetFingerprintBitsAsString-"></a> 291 <span class="k">sub </span><span class="m">_GetFingerprintBitsAsString</span> <span class="s">{</span> | |
| 305 292 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Format</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 306 293 | |
| 307 294 <span class="i">$BitsOrder</span> = <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$BitsOrder</span><span class="s">)</span> && <span class="i">$BitsOrder</span><span class="s">)</span> ? <span class="i">$BitsOrder</span> <span class="co">:</span> <span class="q">'Ascending'</span><span class="sc">;</span> | |
| 308 295 | |
| 309 296 <span class="k">return</span> <span class="i">$This</span><span class="i">->_GetBitsAsString</span><span class="s">(</span><span class="i">$Format</span><span class="cm">,</span> <span class="i">$BitsOrder</span><span class="s">)</span><span class="sc">;</span> | |
| 310 297 <span class="s">}</span> | |
| 311 298 | |
| 312 299 <span class="c"># Is it a fingerprints bit vector object?</span> | |
| 313 <a name="IsFingerprintsBitVector-"></a> 300 <span class="k">sub </span><span class="m">IsFingerprintsBitVector ($)</span> <span class="s">{</span> | |
| 314 301 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 315 302 | |
| 316 303 <span class="k">return</span> <span class="i">_IsFingerprintsBitVector</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span><span class="sc">;</span> | |
| 317 304 <span class="s">}</span> | |
| 318 305 | |
| 319 306 <span class="c"># Is it a fingerprints bit vector object?</span> | |
| 320 <a name="_IsFingerprintsBitVector-"></a> 307 <span class="k">sub </span><span class="m">_IsFingerprintsBitVector</span> <span class="s">{</span> | |
| 321 308 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 322 309 | |
| 323 310 <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> && <span class="i">$Object</span><span class="i">->isa</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 324 311 <span class="s">}</span> | |
| 325 312 | |
| 326 313 <span class="c"># Return a list of supported similarity coefficients...</span> | |
| 327 <a name="GetSupportedSimilarityCoefficients-"></a> 314 <span class="k">sub </span><span class="m">GetSupportedSimilarityCoefficients ()</span> <span class="s">{</span> | |
| 328 315 | |
| 329 316 <span class="k">return</span> <span class="i">@SimilarityCoefficients</span><span class="sc">;</span> | |
| 330 317 <span class="s">}</span> | |
| 331 318 | |
| 332 319 <span class="c"># Get bit density for fingerprints bit vector corresponding to on bits...</span> | |
| 333 320 <span class="c">#</span> | |
| 334 <a name="GetFingerprintsBitDensity-"></a> 321 <span class="k">sub </span><span class="m">GetFingerprintsBitDensity</span> <span class="s">{</span> | |
| 335 322 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 336 323 <span class="k">my</span><span class="s">(</span><span class="i">$BitDensity</span><span class="s">)</span><span class="sc">;</span> | |
| 337 324 | |
| 338 325 <span class="i">$BitDensity</span> = <span class="i">$This</span><span class="i">->GetDensityOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 339 326 | |
| 340 327 <span class="k">return</span> <span class="i">round</span><span class="s">(</span><span class="i">$BitDensity</span><span class="cm">,</span> <span class="n">2</span><span class="s">)</span><span class="sc">;</span> | |
| 341 328 <span class="s">}</span> | |
| 342 329 | |
| 343 330 <span class="c"># Fold fingerprints bit vector by recursively reducing its size by half untill size is less than or equal to</span> | |
| 344 331 <span class="c"># specified size...</span> | |
| 345 332 <span class="c">#</span> | |
| 346 <a name="FoldFingerprintsBitVectorBySize-"></a> 333 <span class="k">sub </span><span class="m">FoldFingerprintsBitVectorBySize</span> <span class="s">{</span> | |
| 347 334 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 348 335 | |
| 349 336 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">$Size</span> > <span class="n">0</span> && <span class="i">$Size</span> <= <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 350 337 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->FoldFingerprintsBitVectorBySize: Specified size, $Size, is not valid: It must be > 0 && <= "</span><span class="cm">,</span> <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="cm">,</span><span class="q">" ..."</span><span class="sc">;</span> | |
| 351 338 <span class="s">}</span> | |
| 352 339 | |
| 353 340 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span> <= <span class="i">$Size</span><span class="s">)</span> <span class="s">{</span> | |
| 354 341 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 355 342 <span class="s">}</span> | |
| 356 343 <span class="k">return</span> <span class="i">$This</span><span class="i">->_FoldFingerprintsBitVector</span><span class="s">(</span><span class="q">'BySize'</span><span class="cm">,</span> <span class="i">$Size</span><span class="s">)</span><span class="sc">;</span> | |
| 357 344 <span class="s">}</span> | |
| 358 345 | |
| 359 346 <span class="c"># Fold fingerprints bit vector by recursively reducing its size by half untill bit density of set bits is greater than</span> | |
| 360 347 <span class="c"># or equal to specified density...</span> | |
| 361 348 <span class="c">#</span> | |
| 362 <a name="FoldFingerprintsBitVectorByDensity-"></a> 349 <span class="k">sub </span><span class="m">FoldFingerprintsBitVectorByDensity</span> <span class="s">{</span> | |
| 363 350 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Density</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 364 351 | |
| 365 352 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">$Density</span> > <span class="n">0</span> && <span class="i">$Density</span> <= <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 366 353 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->FoldFingerprintsBitVectorByDensity: Specified bit density, $Density, is not valid: It must be > 0 && <= 1 ..."</span><span class="sc">;</span> | |
| 367 354 <span class="s">}</span> | |
| 368 355 | |
| 369 356 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetDensityOfSetBits</span><span class="s">(</span><span class="s">)</span> >= <span class="i">$Density</span><span class="s">)</span> <span class="s">{</span> | |
| 370 357 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 371 358 <span class="s">}</span> | |
| 372 359 <span class="k">return</span> <span class="i">$This</span><span class="i">->_FoldFingerprintsBitVector</span><span class="s">(</span><span class="q">'ByDensity'</span><span class="cm">,</span> <span class="i">$Density</span><span class="s">)</span><span class="sc">;</span> | |
| 373 360 <span class="s">}</span> | |
| 374 361 | |
| 375 362 <span class="c"># Fold fingerprints bit vector using size or density and return folded fingerprint bit vector...</span> | |
| 376 363 <span class="c">#</span> | |
| 377 <a name="_FoldFingerprintsBitVector-"></a> 364 <span class="k">sub </span><span class="m">_FoldFingerprintsBitVector</span> <span class="s">{</span> | |
| 378 365 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Mode</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 379 366 | |
| 380 367 <span class="c"># Fold upto size of 8 bits...</span> | |
| 381 368 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span> <= <span class="n">8</span><span class="s">)</span> <span class="s">{</span> | |
| 382 369 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 383 370 <span class="s">}</span> | |
| 384 371 | |
| 385 372 <span class="c"># Check size or density....</span> | |
| 386 373 <span class="k">if</span> <span class="s">(</span><span class="i">$Mode</span> =~ <span class="q">/^BySize$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 387 374 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span> <= <span class="i">$Value</span><span class="s">)</span> <span class="s">{</span> | |
| 388 375 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 389 376 <span class="s">}</span> | |
| 390 377 <span class="s">}</span> | |
| 391 378 <span class="k">elsif</span> <span class="s">(</span><span class="i">$Mode</span> =~ <span class="q">/^ByDensity$/i</span><span class="s">)</span> <span class="s">{</span> | |
| 392 379 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span><span class="i">->GetDensityOfSetBits</span><span class="s">(</span><span class="s">)</span> >= <span class="i">$Value</span><span class="s">)</span> <span class="s">{</span> | |
| 393 380 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 394 381 <span class="s">}</span> | |
| 395 382 <span class="s">}</span> | |
| 396 383 <span class="k">else</span> <span class="s">{</span> | |
| 397 384 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> | |
| 398 385 <span class="s">}</span> | |
| 399 386 | |
| 400 387 <span class="c"># Recursively reduce its size by half...</span> | |
| 401 388 <span class="k">my</span><span class="s">(</span><span class="i">$FirstHalfBinaryString</span><span class="cm">,</span> <span class="i">$SecondHalfBinaryString</span><span class="cm">,</span> <span class="i">$FirstHalfFingerprintsBitVector</span><span class="cm">,</span> <span class="i">$SecondHalfFingerprintsBitVector</span><span class="cm">,</span> <span class="i">$FoldedFingerprintsBitVector</span><span class="cm">,</span> <span class="i">$BinaryString</span><span class="cm">,</span> <span class="i">$StringLength</span><span class="s">)</span><span class="sc">;</span> | |
| 402 389 | |
| 403 390 <span class="i">$BinaryString</span> = <span class="i">$This</span><span class="i">->GetBitsAsBinaryString</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 404 391 <span class="i">$StringLength</span> = <span class="k">length</span> <span class="i">$BinaryString</span><span class="sc">;</span> | |
| 405 392 | |
| 406 393 <span class="i">$FirstHalfBinaryString</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$BinaryString</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$StringLength</span>/<span class="n">2</span><span class="s">)</span><span class="sc">;</span> | |
| 407 394 <span class="i">$SecondHalfBinaryString</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$BinaryString</span><span class="cm">,</span> <span class="i">$StringLength</span>/<span class="n">2</span><span class="s">)</span><span class="sc">;</span> | |
| 408 395 | |
| 409 396 <span class="i">$FirstHalfFingerprintsBitVector</span> = <span class="i">NewFromBinaryString</span><span class="s">(</span><span class="i">$FirstHalfBinaryString</span><span class="s">)</span><span class="sc">;</span> | |
| 410 397 <span class="i">$SecondHalfFingerprintsBitVector</span> = <span class="i">NewFromBinaryString</span><span class="s">(</span><span class="i">$SecondHalfBinaryString</span><span class="s">)</span><span class="sc">;</span> | |
| 411 398 | |
| 412 399 <span class="i">$FoldedFingerprintsBitVector</span> = <span class="i">$FirstHalfFingerprintsBitVector</span> | <span class="i">$SecondHalfFingerprintsBitVector</span><span class="sc">;</span> | |
| 413 400 | |
| 414 401 <span class="k">return</span> <span class="i">$FoldedFingerprintsBitVector</span><span class="i">->_FoldFingerprintsBitVector</span><span class="s">(</span><span class="i">$Mode</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> | |
| 415 402 <span class="s">}</span> | |
| 416 403 | |
| 417 404 <span class="c"># Is first bit vector subset of second bit vector?</span> | |
| 418 405 <span class="c">#</span> | |
| 419 406 <span class="c"># For a bit vector to be a subset of another bit vector, both vectors must be of</span> | |
| 420 407 <span class="c"># the same size and the bit positions set in first vector must also be set in the</span> | |
| 421 408 <span class="c"># secons bit vector.</span> | |
| 422 409 <span class="c">#</span> | |
| 423 410 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 424 411 <span class="c">#</span> | |
| 425 <a name="IsSubSet-"></a> 412 <span class="k">sub </span><span class="m">IsSubSet ($$)</span> <span class="s">{</span> | |
| 426 413 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 427 414 | |
| 428 415 <span class="k">if</span> <span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span> != <span class="i">$FingerprintsBitVectorB</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 429 416 <span class="k">return</span> <span class="n">0</span><span class="sc">;</span> | |
| 430 417 <span class="s">}</span> | |
| 431 418 <span class="k">my</span><span class="s">(</span><span class="i">$AndFingerprintsBitVector</span><span class="s">)</span><span class="sc">;</span> | |
| 432 419 | |
| 433 420 <span class="i">$AndFingerprintsBitVector</span> = <span class="i">$FingerprintsBitVectorA</span> & <span class="i">$FingerprintsBitVectorB</span><span class="sc">;</span> | |
| 434 421 | |
| 435 422 <span class="k">return</span> <span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span> == <span class="i">$AndFingerprintsBitVector</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 436 423 <span class="s">}</span> | |
| 437 424 | |
| 438 425 <span class="c"># Return a string containing vector values...</span> | |
| 439 <a name="StringifyFingerprintsBitVector-"></a> 426 <span class="k">sub </span><span class="m">StringifyFingerprintsBitVector</span> <span class="s">{</span> | |
| 440 427 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 441 428 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorString</span><span class="s">)</span><span class="sc">;</span> | |
| 442 429 | |
| 443 430 <span class="c"># BitVector size information...</span> | |
| 444 431 <span class="c">#</span> | |
| 445 432 <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>->{<span class="w">SpecifiedSize</span>} != <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 446 433 <span class="i">$FingerprintsBitVectorString</span> = <span class="q">"SpecifiedSize: "</span> . <span class="i">$This</span>->{<span class="w">SpecifiedSize</span>} . <span class="q">"; BitVectorSize: "</span> . <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 447 434 <span class="s">}</span> | |
| 448 435 <span class="k">else</span> <span class="s">{</span> | |
| 449 436 <span class="i">$FingerprintsBitVectorString</span> = <span class="q">"BitVectorSize: "</span> . <span class="i">$This</span><span class="i">->GetSize</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 450 437 <span class="s">}</span> | |
| 451 438 <span class="k">my</span><span class="s">(</span><span class="i">$NumOfSetBits</span><span class="cm">,</span> <span class="i">$BitDensity</span><span class="s">)</span><span class="sc">;</span> | |
| 452 439 <span class="i">$NumOfSetBits</span> = <span class="i">$This</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 453 440 <span class="i">$BitDensity</span> = <span class="i">$This</span><span class="i">->GetFingerprintsBitDensity</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 454 441 | |
| 455 442 <span class="i">$FingerprintsBitVectorString</span> .= <span class="q">"; NumOfOnBits: $NumOfSetBits; BitDensity: $BitDensity"</span><span class="sc">;</span> | |
| 456 443 | |
| 457 444 <span class="c"># BitVector values...</span> | |
| 458 445 <span class="i">$FingerprintsBitVectorString</span> .= <span class="q">"; BitVector: "</span> . <span class="i">$This</span><span class="i">->StringifyBitVector</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 459 446 | |
| 460 447 <span class="k">return</span> <span class="i">$FingerprintsBitVectorString</span><span class="sc">;</span> | |
| 461 448 <span class="s">}</span> | |
| 462 449 | |
| 463 450 <span class="c"># For two fingerprints bit vectors A and B of same size, let:</span> | |
| 464 451 <span class="c">#</span> | |
| 465 452 <span class="c"># Na = Number of bits set to "1" in A</span> | |
| 466 453 <span class="c"># Nb = Number of bits set to "1" in B</span> | |
| 467 454 <span class="c"># Nc = Number of bits set to "1" in both A and B</span> | |
| 468 455 <span class="c"># Nd = Number of bits set to "0" in both A and B</span> | |
| 469 456 <span class="c">#</span> | |
| 470 457 <span class="c"># Nt = Number of bits set to "1" or "0" in A or B = Size of A or B = Na + Nb - Nc + Nd</span> | |
| 471 458 <span class="c">#</span> | |
| 472 459 <span class="c"># Na - Nc = Number of bits set to "1" in A but not in B</span> | |
| 473 460 <span class="c"># Nb - Nc = Number of bits set to "1" in B but not in A</span> | |
| 474 461 <span class="c">#</span> | |
| 475 462 <span class="c"># Various similarity coefficients [ Ref 40 - 42 ] for a pair of bit vectors A and B are</span> | |
| 476 463 <span class="c"># defined as follows:</span> | |
| 477 464 <span class="c">#</span> | |
| 478 465 <span class="c"># . BaroniUrbani: ( SQRT( Nc * Nd ) + Nc ) / ( SQRT ( Nc * Nd ) + Nc + ( Na - Nc ) + ( Nb - Nc ) ) ( same as Buser )</span> | |
| 479 466 <span class="c">#</span> | |
| 480 467 <span class="c"># . Buser: ( SQRT ( Nc * Nd ) + Nc ) / ( SQRT ( Nc * Nd ) + Nc + ( Na - Nc ) + ( Nb - Nc ) ) ( same as BaroniUrbani )</span> | |
| 481 468 <span class="c">#</span> | |
| 482 469 <span class="c"># . Cosine: Nc / SQRT ( Na * Nb ) (same as Ochiai)</span> | |
| 483 470 <span class="c">#</span> | |
| 484 471 <span class="c"># . Dice: (2 * Nc) / ( Na + Nb )</span> | |
| 485 472 <span class="c">#</span> | |
| 486 473 <span class="c"># . Dennis: ( Nc * Nd - ( ( Na - Nc ) * ( Nb - Nc ) ) ) / SQRT ( Nt * Na * Nb)</span> | |
| 487 474 <span class="c">#</span> | |
| 488 475 <span class="c"># . Forbes: ( Nt * Nc ) / ( Na * Nb )</span> | |
| 489 476 <span class="c">#</span> | |
| 490 477 <span class="c"># . Fossum: ( Nt * ( ( Nc - 1/2 ) ** 2 ) / ( Na * Nb )</span> | |
| 491 478 <span class="c">#</span> | |
| 492 479 <span class="c"># . Hamann: ( ( Nc + Nd ) - ( Na - Nc ) - ( Nb - Nc ) ) / Nt</span> | |
| 493 480 <span class="c">#</span> | |
| 494 481 <span class="c"># . Jaccard: Nc / ( ( Na - Nc) + ( Nb - Nc ) + Nc ) = Nc / ( Na + Nb - Nc ) (same as Tanimoto)</span> | |
| 495 482 <span class="c">#</span> | |
| 496 483 <span class="c"># . Kulczynski1: Nc / ( ( Na - Nc ) + ( Nb - Nc) ) = Nc / ( Na + Nb - 2Nc )</span> | |
| 497 484 <span class="c">#</span> | |
| 498 485 <span class="c"># . Kulczynski2: ( ( Nc / 2 ) * ( 2 * Nc + ( Na - Nc ) + ( Nb - Nc) ) ) / ( ( Nc + ( Na - Nc ) ) * ( Nc + ( Nb - Nc ) ) ) = 0.5 * ( Nc / Na + Nc / Nb )</span> | |
| 499 486 <span class="c">#</span> | |
| 500 487 <span class="c"># . Matching: ( Nc + Nd ) / Nt</span> | |
| 501 488 <span class="c">#</span> | |
| 502 489 <span class="c"># . McConnaughey: ( Nc ** 2 - ( Na - Nc ) * ( Nb - Nc) ) / ( Na * Nb )</span> | |
| 503 490 <span class="c">#</span> | |
| 504 491 <span class="c"># . Ochiai: Nc / SQRT ( Na * Nb ) (same as Cosine)</span> | |
| 505 492 <span class="c">#</span> | |
| 506 493 <span class="c"># . Pearson: ( ( Nc * Nd ) - ( ( Na - Nc ) * ( Nb - Nc ) ) / SQRT ( Na * Nb * ( Na - Nc + Nd ) * ( Nb - Nc + Nd ) )</span> | |
| 507 494 <span class="c">#</span> | |
| 508 495 <span class="c"># . RogersTanimoto: ( Nc + Nd ) / ( ( Na - Nc) + ( Nb - Nc) + Nt) = ( Nc + Nd ) / ( Na + Nb - 2Nc + Nt)</span> | |
| 509 496 <span class="c">#</span> | |
| 510 497 <span class="c"># . RussellRao: Nc / Nt</span> | |
| 511 498 <span class="c">#</span> | |
| 512 499 <span class="c"># . Simpson: Nc / MIN ( Na, Nb)</span> | |
| 513 500 <span class="c">#</span> | |
| 514 501 <span class="c"># . SkoalSneath1: Nc / ( Nc + 2 * ( Na - Nc) + 2 * ( Nb - Nc) ) = Nc / ( 2 * Na + 2 * Nb - 3 * Nc )</span> | |
| 515 502 <span class="c">#</span> | |
| 516 503 <span class="c"># . SkoalSneath2: ( 2 * Nc + 2 * Nd ) / ( Nc + Nd + Nt )</span> | |
| 517 504 <span class="c">#</span> | |
| 518 505 <span class="c"># . SkoalSneath3: ( Nc + Nd ) / ( ( Na - Nc ) + ( Nb - Nc ) ) = ( Nc + Nd ) / ( Na + Nb - 2 * Nc )</span> | |
| 519 506 <span class="c">#</span> | |
| 520 507 <span class="c"># . Tanimoto: Nc / ( ( Na - Nc) + ( Nb - Nc ) + Nc ) = Nc / ( Na + Nb - Nc ) (same as Jaccard)</span> | |
| 521 508 <span class="c">#</span> | |
| 522 509 <span class="c"># . Tversky: Nc / ( alpha * ( Na - Nc ) + ( 1 - alpha) * ( Nb - Nc) + Nc ) = Nc / ( alpha * ( Na - Nb ) + Nb)</span> | |
| 523 510 <span class="c">#</span> | |
| 524 511 <span class="c"># . Yule: ( ( Nc * Nd ) - ( ( Na - Nc ) * ( Nb - Nc ) ) ) / ( ( Nc * Nd ) + ( ( Na - Nc ) * ( Nb - Nc ) ) )</span> | |
| 525 512 <span class="c">#</span> | |
| 526 513 <span class="c">#</span> | |
| 527 514 <span class="c"># Values of Tanimoto/Jaccard and Tversky coefficients are dependent on only those bit which</span> | |
| 528 515 <span class="c"># are set to "1" in both A and B. In order to take into account all bit positions, modified versions</span> | |
| 529 516 <span class="c"># of Tanimoto [ Ref. 42 ] and Tversky [ Ref. 43 ] have been developed.</span> | |
| 530 517 <span class="c">#</span> | |
| 531 518 <span class="c"># Let:</span> | |
| 532 519 <span class="c">#</span> | |
| 533 520 <span class="c"># Na' = Number of bits set to "0" in A</span> | |
| 534 521 <span class="c"># Nb' = Number of bits set to "0" in B</span> | |
| 535 522 <span class="c"># Nc' = Number of bits set to "0" in both A and B</span> | |
| 536 523 <span class="c">#</span> | |
| 537 524 <span class="c"># . Tanimoto': Nc' / ( ( Na' - Nc') + ( Nb' - Nc' ) + Nc' ) = Nc' / ( Na' + Nb' - Nc' )</span> | |
| 538 525 <span class="c">#</span> | |
| 539 526 <span class="c"># . Tversky': Nc' / ( alpha * ( Na' - Nc' ) + ( 1 - alpha) * ( Nb' - Nc' ) + Nc' ) = Nc' / ( alpha * ( Na' - Nb' ) + Nb')</span> | |
| 540 527 <span class="c">#</span> | |
| 541 528 <span class="c"># Then:</span> | |
| 542 529 <span class="c">#</span> | |
| 543 530 <span class="c"># . WeightedTanimoto = beta * Tanimoto + (1 - beta) * Tanimoto'</span> | |
| 544 531 <span class="c">#</span> | |
| 545 532 <span class="c"># . WeightedTversky = beta * Tversky + (1 - beta) * Tversky'</span> | |
| 546 533 <span class="c">#</span> | |
| 547 534 <span class="c">#</span> | |
| 548 535 | |
| 549 536 <span class="c"># Calculate BaroniUrbani similarity coefficient for two same size bit vectors.</span> | |
| 550 537 <span class="c">#</span> | |
| 551 538 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 552 539 <span class="c">#</span> | |
| 553 <a name="BaroniUrbaniSimilarityCoefficient-"></a> 540 <span class="k">sub </span><span class="m">BaroniUrbaniSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 554 541 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 555 542 | |
| 556 543 <span class="k">return</span> <span class="i">BuserSimilarityCoefficient</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 557 544 <span class="s">}</span> | |
| 558 545 | |
| 559 546 <span class="c"># Calculate Buser similarity coefficient for two same size bit vectors.</span> | |
| 560 547 <span class="c">#</span> | |
| 561 548 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 562 549 <span class="c">#</span> | |
| 563 <a name="BuserSimilarityCoefficient-"></a> 550 <span class="k">sub </span><span class="m">BuserSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 564 551 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 565 552 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 566 553 | |
| 567 554 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 568 555 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 569 556 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 570 557 | |
| 571 558 <span class="i">$Numerator</span> = <span class="k">sqrt</span><span class="s">(</span><span class="i">$Nc</span>*<span class="i">$Nd</span><span class="s">)</span> + <span class="i">$Nc</span><span class="sc">;</span> | |
| 572 559 <span class="i">$Denominator</span> = <span class="k">sqrt</span><span class="s">(</span><span class="i">$Nc</span>*<span class="i">$Nd</span><span class="s">)</span> + <span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span> + <span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span> <span class="s">)</span> + <span class="i">$Nc</span><span class="sc">;</span> | |
| 573 560 | |
| 574 561 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 575 562 <span class="s">}</span> | |
| 576 563 | |
| 577 564 <span class="c"># Calculate Cosine similarity coefficient for two same size bit vectors.</span> | |
| 578 565 <span class="c">#</span> | |
| 579 566 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 580 567 <span class="c">#</span> | |
| 581 <a name="CosineSimilarityCoefficient-"></a> 568 <span class="k">sub </span><span class="m">CosineSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 582 569 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 583 570 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 584 571 | |
| 585 572 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 586 573 | |
| 587 574 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 588 575 <span class="i">$Denominator</span> = <span class="k">sqrt</span><span class="s">(</span><span class="i">$Na</span>*<span class="i">$Nb</span><span class="s">)</span><span class="sc">;</span> | |
| 589 576 | |
| 590 577 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 591 578 <span class="s">}</span> | |
| 592 579 | |
| 593 580 <span class="c"># Calculate Dice similarity coefficient for two same size bit vectors.</span> | |
| 594 581 <span class="c">#</span> | |
| 595 582 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 596 583 <span class="c">#</span> | |
| 597 <a name="DiceSimilarityCoefficient-"></a> 584 <span class="k">sub </span><span class="m">DiceSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 598 585 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 599 586 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 600 587 | |
| 601 588 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 602 589 | |
| 603 590 <span class="i">$Numerator</span> = <span class="n">2</span>*<span class="i">$Nc</span><span class="sc">;</span> | |
| 604 591 <span class="i">$Denominator</span> = <span class="i">$Na</span> + <span class="i">$Nb</span><span class="sc">;</span> | |
| 605 592 | |
| 606 593 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 607 594 <span class="s">}</span> | |
| 608 595 | |
| 609 596 <span class="c"># Calculate Dennis similarity coefficient for two same size bit vectors.</span> | |
| 610 597 <span class="c">#</span> | |
| 611 598 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 612 599 <span class="c">#</span> | |
| 613 <a name="DennisSimilarityCoefficient-"></a> 600 <span class="k">sub </span><span class="m">DennisSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 614 601 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 615 602 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 616 603 | |
| 617 604 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 618 605 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 619 606 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 620 607 | |
| 621 608 <span class="i">$Numerator</span> = <span class="i">$Nc</span>*<span class="i">$Nd</span> - <span class="s">(</span><span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span> | |
| 622 609 <span class="i">$Denominator</span> = <span class="k">sqrt</span><span class="s">(</span><span class="i">$Nt</span>*<span class="i">$Na</span>*<span class="i">$Nb</span><span class="s">)</span><span class="sc">;</span> | |
| 623 610 | |
| 624 611 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 625 612 <span class="s">}</span> | |
| 626 613 | |
| 627 614 <span class="c"># Calculate Forbes similarity coefficient for two same size bit vectors.</span> | |
| 628 615 <span class="c">#</span> | |
| 629 616 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 630 617 <span class="c">#</span> | |
| 631 <a name="ForbesSimilarityCoefficient-"></a> 618 <span class="k">sub </span><span class="m">ForbesSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 632 619 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 633 620 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 634 621 | |
| 635 622 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 636 623 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 637 624 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 638 625 | |
| 639 626 <span class="i">$Numerator</span> = <span class="i">$Nt</span>*<span class="i">$Nc</span><span class="sc">;</span> | |
| 640 627 <span class="i">$Denominator</span> = <span class="i">$Na</span>*<span class="i">$Nb</span><span class="sc">;</span> | |
| 641 628 | |
| 642 629 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 643 630 <span class="s">}</span> | |
| 644 631 | |
| 645 632 <span class="c"># Calculate Fossum similarity coefficient for two same size bit vectors.</span> | |
| 646 633 <span class="c">#</span> | |
| 647 634 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 648 635 <span class="c">#</span> | |
| 649 <a name="FossumSimilarityCoefficient-"></a> 636 <span class="k">sub </span><span class="m">FossumSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 650 637 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 651 638 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 652 639 | |
| 653 640 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 654 641 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 655 642 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 656 643 | |
| 657 644 <span class="i">$Numerator</span> = <span class="i">$Nt</span>*<span class="s">(</span><span class="s">(</span><span class="i">$Nc</span> - <span class="n">0.5</span><span class="s">)</span>** <span class="n">2</span><span class="s">)</span><span class="sc">;</span> | |
| 658 645 <span class="i">$Denominator</span> = <span class="i">$Na</span>*<span class="i">$Nb</span> <span class="sc">;</span> | |
| 659 646 | |
| 660 647 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 661 648 <span class="s">}</span> | |
| 662 649 | |
| 663 650 <span class="c"># Calculate Hamann similarity coefficient for two same size bit vectors.</span> | |
| 664 651 <span class="c">#</span> | |
| 665 652 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 666 653 <span class="c">#</span> | |
| 667 <a name="HamannSimilarityCoefficient-"></a> 654 <span class="k">sub </span><span class="m">HamannSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 668 655 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 669 656 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 670 657 | |
| 671 658 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 672 659 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 673 660 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 674 661 | |
| 675 662 <span class="i">$Numerator</span> = <span class="s">(</span><span class="i">$Nc</span> + <span class="i">$Nd</span> <span class="s">)</span> - <span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span> - <span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span> <span class="sc">;</span> | |
| 676 663 <span class="i">$Denominator</span> = <span class="i">$Nt</span><span class="sc">;</span> | |
| 677 664 | |
| 678 665 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 679 666 <span class="s">}</span> | |
| 680 667 | |
| 681 668 <span class="c"># Calculate Jacard similarity coefficient for two same size bit vectors.</span> | |
| 682 669 <span class="c">#</span> | |
| 683 670 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 684 671 <span class="c">#</span> | |
| 685 <a name="JacardSimilarityCoefficient-"></a> 672 <span class="k">sub </span><span class="m">JacardSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 686 673 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 687 674 | |
| 688 675 <span class="k">return</span> <span class="i">TanimotoSimilarityCoefficient</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 689 676 <span class="s">}</span> | |
| 690 677 | |
| 691 678 <span class="c"># Calculate Kulczynski1 similarity coefficient for two same size bit vectors.</span> | |
| 692 679 <span class="c">#</span> | |
| 693 680 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 694 681 <span class="c">#</span> | |
| 695 <a name="Kulczynski1SimilarityCoefficient-"></a> 682 <span class="k">sub </span><span class="m">Kulczynski1SimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 696 683 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 697 684 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 698 685 | |
| 699 686 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 700 687 | |
| 701 688 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 702 689 <span class="i">$Denominator</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="n">2</span>*<span class="i">$Nc</span><span class="sc">;</span> | |
| 703 690 | |
| 704 691 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 705 692 <span class="s">}</span> | |
| 706 693 | |
| 707 694 <span class="c"># Calculate Kulczynski2 similarity coefficient for two same size bit vectors.</span> | |
| 708 695 <span class="c">#</span> | |
| 709 696 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 710 697 <span class="c">#</span> | |
| 711 <a name="Kulczynski2SimilarityCoefficient-"></a> 698 <span class="k">sub </span><span class="m">Kulczynski2SimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 712 699 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 713 700 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 714 701 | |
| 715 702 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 716 703 | |
| 717 704 <span class="i">$Numerator</span> = <span class="n">0.5</span>*<span class="s">(</span><span class="i">$Na</span>*<span class="i">$Nc</span> + <span class="i">$Nb</span>*<span class="i">$Nc</span><span class="s">)</span><span class="sc">;</span> | |
| 718 705 <span class="i">$Denominator</span> = <span class="i">$Na</span>*<span class="i">$Nb</span><span class="sc">;</span> | |
| 719 706 | |
| 720 707 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 721 708 <span class="s">}</span> | |
| 722 709 | |
| 723 710 <span class="c"># Calculate Matching similarity coefficient for two same size bit vectors.</span> | |
| 724 711 <span class="c">#</span> | |
| 725 712 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 726 713 <span class="c">#</span> | |
| 727 <a name="MatchingSimilarityCoefficient-"></a> 714 <span class="k">sub </span><span class="m">MatchingSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 728 715 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 729 716 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 730 717 | |
| 731 718 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 732 719 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 733 720 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 734 721 | |
| 735 722 <span class="i">$Numerator</span> = <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 736 723 <span class="i">$Denominator</span> = <span class="i">$Nt</span><span class="sc">;</span> | |
| 737 724 | |
| 738 725 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 739 726 <span class="s">}</span> | |
| 740 727 | |
| 741 728 <span class="c"># Calculate McConnaughey similarity coefficient for two same size bit vectors.</span> | |
| 742 729 <span class="c">#</span> | |
| 743 730 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 744 731 <span class="c">#</span> | |
| 745 <a name="McConnaugheySimilarityCoefficient-"></a> 732 <span class="k">sub </span><span class="m">McConnaugheySimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 746 733 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 747 734 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 748 735 | |
| 749 736 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 750 737 | |
| 751 738 <span class="i">$Numerator</span> = <span class="i">$Nc</span>**<span class="n">2</span> - <span class="s">(</span><span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span> | |
| 752 739 <span class="i">$Denominator</span> = <span class="i">$Na</span>*<span class="i">$Nb</span> <span class="sc">;</span> | |
| 753 740 | |
| 754 741 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 755 742 <span class="s">}</span> | |
| 756 743 | |
| 757 744 <span class="c"># Calculate Ochiai similarity coefficient for two same size bit vectors.</span> | |
| 758 745 <span class="c">#</span> | |
| 759 746 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 760 747 <span class="c">#</span> | |
| 761 <a name="OchiaiSimilarityCoefficient-"></a> 748 <span class="k">sub </span><span class="m">OchiaiSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 762 749 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 763 750 | |
| 764 751 <span class="k">return</span> <span class="i">CosineSimilarityCoefficient</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 765 752 <span class="s">}</span> | |
| 766 753 | |
| 767 754 <span class="c"># Calculate Pearson similarity coefficient for two same size bit vectors.</span> | |
| 768 755 <span class="c">#</span> | |
| 769 756 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 770 757 <span class="c">#</span> | |
| 771 <a name="PearsonSimilarityCoefficient-"></a> 758 <span class="k">sub </span><span class="m">PearsonSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 772 759 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 773 760 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 774 761 | |
| 775 762 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 776 763 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 777 764 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 778 765 | |
| 779 766 <span class="i">$Numerator</span> = <span class="s">(</span><span class="i">$Nc</span>*<span class="i">$Nd</span> <span class="s">)</span> - <span class="s">(</span><span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span> | |
| 780 767 <span class="i">$Denominator</span> = <span class="k">sqrt</span><span class="s">(</span><span class="i">$Na</span>*<span class="i">$Nb</span>*<span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span> <span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span> | |
| 781 768 | |
| 782 769 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 783 770 <span class="s">}</span> | |
| 784 771 | |
| 785 772 <span class="c"># Calculate RogersTanimoto similarity coefficient for two same size bit vectors.</span> | |
| 786 773 <span class="c">#</span> | |
| 787 774 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 788 775 <span class="c">#</span> | |
| 789 <a name="RogersTanimotoSimilarityCoefficient-"></a> 776 <span class="k">sub </span><span class="m">RogersTanimotoSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 790 777 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 791 778 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 792 779 | |
| 793 780 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 794 781 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 795 782 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 796 783 | |
| 797 784 <span class="i">$Numerator</span> = <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 798 785 <span class="i">$Denominator</span> = <span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span> + <span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span> + <span class="i">$Nt</span><span class="sc">;</span> | |
| 799 786 | |
| 800 787 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 801 788 <span class="s">}</span> | |
| 802 789 | |
| 803 790 <span class="c"># Calculate RussellRao similarity coefficient for two same size bit vectors.</span> | |
| 804 791 <span class="c">#</span> | |
| 805 792 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 806 793 <span class="c">#</span> | |
| 807 <a name="RussellRaoSimilarityCoefficient-"></a> 794 <span class="k">sub </span><span class="m">RussellRaoSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 808 795 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 809 796 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 810 797 | |
| 811 798 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 812 799 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 813 800 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 814 801 | |
| 815 802 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 816 803 <span class="i">$Denominator</span> = <span class="i">$Nt</span><span class="sc">;</span> | |
| 817 804 | |
| 818 805 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 819 806 <span class="s">}</span> | |
| 820 807 | |
| 821 808 <span class="c"># Calculate Simpson similarity coefficient for two same size bit vectors.</span> | |
| 822 809 <span class="c">#</span> | |
| 823 810 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 824 811 <span class="c">#</span> | |
| 825 <a name="SimpsonSimilarityCoefficient-"></a> 812 <span class="k">sub </span><span class="m">SimpsonSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 826 813 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 827 814 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 828 815 | |
| 829 816 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 830 817 | |
| 831 818 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 832 819 <span class="i">$Denominator</span> = <span class="i">min</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="s">)</span><span class="sc">;</span> | |
| 833 820 | |
| 834 821 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 835 822 <span class="s">}</span> | |
| 836 823 | |
| 837 824 <span class="c"># Calculate SkoalSneath1 similarity coefficient for two same size bit vectors.</span> | |
| 838 825 <span class="c">#</span> | |
| 839 826 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 840 827 <span class="c">#</span> | |
| 841 <a name="SkoalSneath1SimilarityCoefficient-"></a> 828 <span class="k">sub </span><span class="m">SkoalSneath1SimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 842 829 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 843 830 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 844 831 | |
| 845 832 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 846 833 | |
| 847 834 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 848 835 <span class="i">$Denominator</span> = <span class="i">$Nc</span> + <span class="n">2</span>*<span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span> + <span class="n">2</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="sc">;</span> | |
| 849 836 | |
| 850 837 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 851 838 <span class="s">}</span> | |
| 852 839 | |
| 853 840 <span class="c"># Calculate SkoalSneath2 similarity coefficient for two same size bit vectors.</span> | |
| 854 841 <span class="c">#</span> | |
| 855 842 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 856 843 <span class="c">#</span> | |
| 857 <a name="SkoalSneath2SimilarityCoefficient-"></a> 844 <span class="k">sub </span><span class="m">SkoalSneath2SimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 858 845 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 859 846 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 860 847 | |
| 861 848 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 862 849 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 863 850 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 864 851 | |
| 865 852 <span class="i">$Numerator</span> = <span class="n">2</span>*<span class="i">$Nc</span> + <span class="n">2</span>*<span class="i">$Nd</span> <span class="sc">;</span> | |
| 866 853 <span class="i">$Denominator</span> = <span class="i">$Nc</span> + <span class="i">$Nd</span> + <span class="i">$Nt</span> <span class="sc">;</span> | |
| 867 854 | |
| 868 855 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 869 856 <span class="s">}</span> | |
| 870 857 | |
| 871 858 <span class="c"># Calculate SkoalSneath3 similarity coefficient for two same size bit vectors.</span> | |
| 872 859 <span class="c">#</span> | |
| 873 860 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 874 861 <span class="c">#</span> | |
| 875 <a name="SkoalSneath3SimilarityCoefficient-"></a> 862 <span class="k">sub </span><span class="m">SkoalSneath3SimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 876 863 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 877 864 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 878 865 | |
| 879 866 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 880 867 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 881 868 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 882 869 | |
| 883 870 <span class="i">$Numerator</span> = <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 884 871 <span class="i">$Denominator</span> = <span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span> + <span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span> <span class="s">)</span> <span class="sc">;</span> | |
| 885 872 | |
| 886 873 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 887 874 <span class="s">}</span> | |
| 888 875 | |
| 889 876 <span class="c"># Calculate Tanimoto similarity coefficient for two same size bit vectors.</span> | |
| 890 877 <span class="c">#</span> | |
| 891 878 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 892 879 <span class="c">#</span> | |
| 893 <a name="TanimotoSimilarityCoefficient-"></a> 880 <span class="k">sub </span><span class="m">TanimotoSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 894 881 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 895 882 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 896 883 | |
| 897 884 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 898 885 | |
| 899 886 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 900 887 <span class="i">$Denominator</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span><span class="sc">;</span> | |
| 901 888 | |
| 902 889 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 903 890 <span class="s">}</span> | |
| 904 891 | |
| 905 892 <span class="c"># Calculate Tversky similarity coefficient for two same size bit vectors.</span> | |
| 906 893 <span class="c">#</span> | |
| 907 894 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 908 895 <span class="c">#</span> | |
| 909 <a name="TverskySimilarityCoefficient-"></a> 896 <span class="k">sub </span><span class="m">TverskySimilarityCoefficient ($$$)</span> <span class="s">{</span> | |
| 910 897 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="cm">,</span> <span class="i">$Alpha</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 911 898 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 912 899 | |
| 913 900 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Alpha</span><span class="s">)</span> && <span class="s">(</span><span class="i">$Alpha</span> >= <span class="n">0</span> && <span class="i">$Alpha</span> <= <span class="n">1</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 914 901 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->TverskySimilarityCoefficient: Alpha parameters must be defined and its value must be >=0 and <=1 ..."</span><span class="sc">;</span> | |
| 915 902 <span class="s">}</span> | |
| 916 903 | |
| 917 904 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 918 905 | |
| 919 906 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 920 907 <span class="i">$Denominator</span> = <span class="i">$Alpha</span>*<span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nb</span> <span class="s">)</span> + <span class="i">$Nb</span><span class="sc">;</span> | |
| 921 908 | |
| 922 909 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 923 910 <span class="s">}</span> | |
| 924 911 | |
| 925 912 <span class="c"># Calculate Yule similarity coefficient for two same size bit vectors.</span> | |
| 926 913 <span class="c">#</span> | |
| 927 914 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 928 915 <span class="c">#</span> | |
| 929 <a name="YuleSimilarityCoefficient-"></a> 916 <span class="k">sub </span><span class="m">YuleSimilarityCoefficient ($$)</span> <span class="s">{</span> | |
| 930 917 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 931 918 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="cm">,</span> <span class="i">$Nt</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="s">)</span><span class="sc">;</span> | |
| 932 919 | |
| 933 920 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 934 921 <span class="i">$Nd</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 935 922 <span class="i">$Nt</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span> + <span class="i">$Nd</span><span class="sc">;</span> | |
| 936 923 | |
| 937 924 <span class="i">$Numerator</span> = <span class="s">(</span><span class="i">$Nc</span>*<span class="i">$Nd</span><span class="s">)</span> - <span class="s">(</span><span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="s">)</span> <span class="sc">;</span> | |
| 938 925 <span class="i">$Denominator</span> = <span class="s">(</span><span class="i">$Nc</span>*<span class="i">$Nd</span><span class="s">)</span> + <span class="s">(</span><span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nc</span><span class="s">)</span>*<span class="s">(</span><span class="i">$Nb</span> - <span class="i">$Nc</span><span class="s">)</span><span class="s">)</span> <span class="sc">;</span> | |
| 939 926 | |
| 940 927 <span class="k">return</span> <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 941 928 <span class="s">}</span> | |
| 942 929 | |
| 943 930 <span class="c"># Calculate WeightedTanimoto similarity coefficient for two same size bit vectors.</span> | |
| 944 931 <span class="c">#</span> | |
| 945 932 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 946 933 <span class="c">#</span> | |
| 947 <a name="WeightedTanimotoSimilarityCoefficient-"></a> 934 <span class="k">sub </span><span class="m">WeightedTanimotoSimilarityCoefficient ($$$)</span> <span class="s">{</span> | |
| 948 935 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="cm">,</span> <span class="i">$Beta</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 949 936 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$TanimotoForSetBits</span><span class="cm">,</span> <span class="i">$TanimotoForClearBits</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="cm">,</span> <span class="i">$WeightedTanimoto</span><span class="s">)</span><span class="sc">;</span> | |
| 950 937 | |
| 951 938 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Beta</span><span class="s">)</span> && <span class="s">(</span><span class="i">$Beta</span> >= <span class="n">0</span> && <span class="i">$Beta</span> <= <span class="n">1</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 952 939 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->WeightedTanimotoSimilarityCoefficient: Beta parameters must be defined and its value must be >=0 and <=1 ..."</span><span class="sc">;</span> | |
| 953 940 <span class="s">}</span> | |
| 954 941 | |
| 955 942 <span class="c"># Get Tanimoto for set bits...</span> | |
| 956 943 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 957 944 | |
| 958 945 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 959 946 <span class="i">$Denominator</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span><span class="sc">;</span> | |
| 960 947 <span class="i">$TanimotoForSetBits</span> = <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 961 948 | |
| 962 949 <span class="c"># Get Tanimoto for clear bits...</span> | |
| 963 950 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 964 951 | |
| 965 952 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 966 953 <span class="i">$Denominator</span> = <span class="i">$Na</span> + <span class="i">$Nb</span> - <span class="i">$Nc</span><span class="sc">;</span> | |
| 967 954 <span class="i">$TanimotoForClearBits</span> = <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 968 955 | |
| 969 956 <span class="i">$WeightedTanimoto</span> = <span class="i">$Beta</span>*<span class="i">$TanimotoForSetBits</span> + <span class="s">(</span><span class="n">1</span> - <span class="i">$Beta</span><span class="s">)</span>*<span class="i">$TanimotoForClearBits</span><span class="sc">;</span> | |
| 970 957 | |
| 971 958 <span class="k">return</span> <span class="i">$WeightedTanimoto</span><span class="sc">;</span> | |
| 972 959 <span class="s">}</span> | |
| 973 960 | |
| 974 961 <span class="c"># Calculate WeightedTversky similarity coefficient for two same size bit vectors.</span> | |
| 975 962 <span class="c">#</span> | |
| 976 963 <span class="c"># This functionality can be either invoked as a class function or an object method.</span> | |
| 977 964 <span class="c">#</span> | |
| 978 <a name="WeightedTverskySimilarityCoefficient-"></a> 965 <span class="k">sub </span><span class="m">WeightedTverskySimilarityCoefficient ($$$)</span> <span class="s">{</span> | |
| 979 966 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="cm">,</span> <span class="i">$Alpha</span><span class="cm">,</span> <span class="i">$Beta</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 980 967 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$TverskyForSetBits</span><span class="cm">,</span> <span class="i">$TverskyForClearBits</span><span class="cm">,</span> <span class="i">$Numerator</span><span class="cm">,</span> <span class="i">$Denominator</span><span class="cm">,</span> <span class="i">$WeightedTversky</span><span class="s">)</span><span class="sc">;</span> | |
| 981 968 | |
| 982 969 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Alpha</span><span class="s">)</span> && <span class="s">(</span><span class="i">$Alpha</span> >= <span class="n">0</span> && <span class="i">$Alpha</span> <= <span class="n">1</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 983 970 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->WeightedTverskySimilarityCoefficient: Alpha parameters must be defined and its value must be >=0 and <=1 ..."</span><span class="sc">;</span> | |
| 984 971 <span class="s">}</span> | |
| 985 972 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Beta</span><span class="s">)</span> && <span class="s">(</span><span class="i">$Beta</span> >= <span class="n">0</span> && <span class="i">$Beta</span> <= <span class="n">1</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 986 973 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->WeightedTverskySimilarityCoefficient: Beta parameters must be defined and its value must be >=0 and <=1 ..."</span><span class="sc">;</span> | |
| 987 974 <span class="s">}</span> | |
| 988 975 | |
| 989 976 <span class="c"># Get Tversky for set bits...</span> | |
| 990 977 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonSetBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 991 978 | |
| 992 979 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 993 980 <span class="i">$Denominator</span> = <span class="i">$Alpha</span>*<span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nb</span> <span class="s">)</span> + <span class="i">$Nb</span><span class="sc">;</span> | |
| 994 981 <span class="i">$TverskyForSetBits</span> = <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 995 982 | |
| 996 983 <span class="c"># Get Tversky for clear bits...</span> | |
| 997 984 <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span> = <span class="i">_GetNumOfIndividualAndCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 998 985 | |
| 999 986 <span class="i">$Numerator</span> = <span class="i">$Nc</span><span class="sc">;</span> | |
| 1000 987 <span class="i">$Denominator</span> = <span class="i">$Alpha</span>*<span class="s">(</span><span class="i">$Na</span> - <span class="i">$Nb</span> <span class="s">)</span> + <span class="i">$Nb</span><span class="sc">;</span> | |
| 1001 988 <span class="i">$TverskyForClearBits</span> = <span class="i">$Denominator</span> ? <span class="s">(</span><span class="i">$Numerator</span>/<span class="i">$Denominator</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 1002 989 | |
| 1003 990 <span class="i">$WeightedTversky</span> = <span class="i">$Beta</span>*<span class="i">$TverskyForSetBits</span> + <span class="s">(</span><span class="n">1</span> - <span class="i">$Beta</span><span class="s">)</span>*<span class="i">$TverskyForClearBits</span><span class="sc">;</span> | |
| 1004 991 | |
| 1005 992 <span class="k">return</span> <span class="i">$WeightedTversky</span><span class="sc">;</span> | |
| 1006 993 <span class="s">}</span> | |
| 1007 994 | |
| 1008 995 <span class="c"># Get number of Na, Nb and Nc bits in bit vector A and B to be used for similarity coefficient calculations...</span> | |
| 1009 996 <span class="c">#</span> | |
| 1010 <a name="_GetNumOfIndividualAndCommonSetBits-"></a> 997 <span class="k">sub </span><span class="m">_GetNumOfIndividualAndCommonSetBits ($$)</span> <span class="s">{</span> | |
| 1011 998 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 1012 999 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="s">)</span><span class="sc">;</span> | |
| 1013 1000 | |
| 1014 1001 <span class="c"># Number of bits set to "1" in A</span> | |
| 1015 1002 <span class="i">$Na</span> = <span class="i">$FingerprintsBitVectorA</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1016 1003 | |
| 1017 1004 <span class="c"># Number of bits set to "1" in B</span> | |
| 1018 1005 <span class="i">$Nb</span> = <span class="i">$FingerprintsBitVectorB</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1019 1006 | |
| 1020 1007 <span class="c"># Number of bits set to "1" in both A and B</span> | |
| 1021 1008 <span class="k">my</span><span class="s">(</span><span class="i">$NcBitVector</span><span class="s">)</span><span class="sc">;</span> | |
| 1022 1009 <span class="i">$NcBitVector</span> = <span class="i">$FingerprintsBitVectorA</span> & <span class="i">$FingerprintsBitVectorB</span><span class="sc">;</span> | |
| 1023 1010 <span class="i">$Nc</span> = <span class="i">$NcBitVector</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1024 1011 | |
| 1025 1012 <span class="k">return</span> <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span><span class="sc">;</span> | |
| 1026 1013 <span class="s">}</span> | |
| 1027 1014 | |
| 1028 1015 <span class="c"># Get number of Nd bits in bit vector A and B to be used for similarity coefficient calculations...</span> | |
| 1029 1016 <span class="c">#</span> | |
| 1030 <a name="_GetNumOfCommonClearBits-"></a>1017 <span class="k">sub </span><span class="m">_GetNumOfCommonClearBits ($$)</span> <span class="s">{</span> | |
| 1031 1018 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 1032 1019 <span class="k">my</span><span class="s">(</span><span class="i">$Nd</span><span class="cm">,</span> <span class="i">$NdBitVector</span><span class="s">)</span><span class="sc">;</span> | |
| 1033 1020 | |
| 1034 1021 <span class="c"># Number of bits set to "0" in both A and B</span> | |
| 1035 1022 <span class="i">$NdBitVector</span> = ~<span class="i">$FingerprintsBitVectorA</span> & ~<span class="i">$FingerprintsBitVectorB</span><span class="sc">;</span> | |
| 1036 1023 <span class="i">$Nd</span> = <span class="i">$NdBitVector</span><span class="i">->GetNumOfSetBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1037 1024 | |
| 1038 1025 <span class="c"># Correct for number of clear bits used for padding...</span> | |
| 1039 1026 <span class="k">if</span> <span class="s">(</span><span class="i">_IsNumOfClearBitsCorrectionRequired</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 1040 1027 <span class="i">$Nd</span> = <span class="i">$Nd</span> - <span class="i">_GetNumOfClearBitsCorrection</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="s">)</span><span class="sc">;</span> | |
| 1041 1028 <span class="s">}</span> | |
| 1042 1029 <span class="k">elsif</span> <span class="s">(</span><span class="i">_IsNumOfClearBitsCorrectionRequired</span><span class="s">(</span><span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 1043 1030 <span class="i">$Nd</span> = <span class="i">$Nd</span> - <span class="i">_GetNumOfClearBitsCorrection</span><span class="s">(</span><span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 1044 1031 <span class="s">}</span> | |
| 1045 1032 | |
| 1046 1033 <span class="k">return</span> <span class="i">$Nd</span><span class="sc">;</span> | |
| 1047 1034 <span class="s">}</span> | |
| 1048 1035 | |
| 1049 1036 <span class="c"># Get number of Na, Nb and Nc bits in bit vector A and B to be used for similarity coefficient calculations...</span> | |
| 1050 1037 <span class="c">#</span> | |
| 1051 <a name="_GetNumOfIndividualAndCommonClearBits-"></a>1038 <span class="k">sub </span><span class="m">_GetNumOfIndividualAndCommonClearBits ($$)</span> <span class="s">{</span> | |
| 1052 1039 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 1053 1040 <span class="k">my</span><span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="cm">,</span> <span class="i">$Nd</span><span class="s">)</span><span class="sc">;</span> | |
| 1054 1041 | |
| 1055 1042 <span class="c"># Number of bits set to "0" in A</span> | |
| 1056 1043 <span class="i">$Na</span> = <span class="i">$FingerprintsBitVectorA</span><span class="i">->GetNumOfClearBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1057 1044 | |
| 1058 1045 <span class="c"># Correct for number of clear bits used for padding...</span> | |
| 1059 1046 <span class="k">if</span> <span class="s">(</span><span class="i">_IsNumOfClearBitsCorrectionRequired</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 1060 1047 <span class="i">$Na</span> = <span class="i">$Na</span> - <span class="i">_GetNumOfClearBitsCorrection</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="s">)</span><span class="sc">;</span> | |
| 1061 1048 <span class="s">}</span> | |
| 1062 1049 | |
| 1063 1050 <span class="c"># Number of bits set to "0" in B</span> | |
| 1064 1051 <span class="i">$Nb</span> = <span class="i">$FingerprintsBitVectorB</span><span class="i">->GetNumOfClearBits</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | |
| 1065 1052 | |
| 1066 1053 <span class="c"># Correct for number of clear bits used for padding...</span> | |
| 1067 1054 <span class="k">if</span> <span class="s">(</span><span class="i">_IsNumOfClearBitsCorrectionRequired</span><span class="s">(</span><span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | |
| 1068 1055 <span class="i">$Nb</span> = <span class="i">$Nb</span> - <span class="i">_GetNumOfClearBitsCorrection</span><span class="s">(</span><span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 1069 1056 <span class="s">}</span> | |
| 1070 1057 | |
| 1071 1058 <span class="c"># Number of bits set to "0" in both A and B</span> | |
| 1072 1059 <span class="i">$Nc</span> = <span class="i">_GetNumOfCommonClearBits</span><span class="s">(</span><span class="i">$FingerprintsBitVectorA</span><span class="cm">,</span> <span class="i">$FingerprintsBitVectorB</span><span class="s">)</span><span class="sc">;</span> | |
| 1073 1060 | |
| 1074 1061 <span class="k">return</span> <span class="s">(</span><span class="i">$Na</span><span class="cm">,</span> <span class="i">$Nb</span><span class="cm">,</span> <span class="i">$Nc</span><span class="s">)</span><span class="sc">;</span> | |
| 1075 1062 <span class="s">}</span> | |
| 1076 1063 | |
| 1077 1064 <span class="c"># Irrespective of specified size, Perl functions used to handle bit data data in</span> | |
| 1078 1065 <span class="c"># BitVector class automatically sets the size to the next nearest power of 2</span> | |
| 1079 1066 <span class="c"># and clear the extra bits.</span> | |
| 1080 1067 <span class="c">#</span> | |
| 1081 1068 <span class="c"># SpecifiedSize is used by this class to process any aribitray size during similarity</span> | |
| 1082 1069 <span class="c"># coefficient calculations.</span> | |
| 1083 1070 <span class="c">#</span> | |
| 1084 1071 <span class="c"># Assuming the FingerprintsBitBector class only manipulates bits upto specified</span> | |
| 1085 1072 <span class="c"># size, a correction for the extra bits added by BitVector class needs to be applied</span> | |
| 1086 1073 <span class="c"># to number of clear bits.</span> | |
| 1087 1074 <span class="c">#</span> | |
| 1088 <a name="_GetNumOfClearBitsCorrection-"></a>1075 <span class="k">sub </span><span class="m">_GetNumOfClearBitsCorrection</span> <span class="s">{</span> | |
| 1089 1076 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVector</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 1090 1077 | |
| 1091 1078 <span class="k">return</span> <span class="s">(</span><span class="i">$FingerprintsBitVector</span>->{<span class="w">Size</span>} - <span class="i">$FingerprintsBitVector</span>->{<span class="w">SpecifiedSize</span>}<span class="s">)</span><span class="sc">;</span> | |
| 1092 1079 <span class="s">}</span> | |
| 1093 1080 | |
| 1094 1081 <span class="c"># Is number of clear bits correction required?</span> | |
| 1095 1082 <span class="c">#</span> | |
| 1096 <a name="_IsNumOfClearBitsCorrectionRequired-"></a>1083 <span class="k">sub </span><span class="m">_IsNumOfClearBitsCorrectionRequired</span> <span class="s">{</span> | |
| 1097 1084 <span class="k">my</span><span class="s">(</span><span class="i">$FingerprintsBitVector</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> | |
| 1098 1085 | |
| 1099 1086 <span class="k">return</span> <span class="s">(</span><span class="i">$FingerprintsBitVector</span>->{<span class="w">Size</span>} > <span class="i">$FingerprintsBitVector</span>->{<span class="w">SpecifiedSize</span>}<span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | |
| 1100 1087 <span class="s">}</span> | |
| 1101 1088 | |
| 1102 1089 | |
| 1103 <a name="EOF-"></a></pre> | |
| 1104 <p> </p> | |
| 1105 <br /> | |
| 1106 <center> | |
| 1107 <img src="../../../images/h2o2.png"> | |
| 1108 </center> | |
| 1109 </body> | |
| 1110 </html> |