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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-20175] Coverity analysis defect 57187: Division or modulo by float zero</title>
                <link>https://jira.mongodb.org/browse/SERVER-20175</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;An expression which may be zero is used as a divisor in floating-point arithmetic.&lt;/p&gt;

&lt;p&gt;Defect 57187 (STATIC_C)&lt;br/&gt;
  Checker DIVIDE_BY_ZERO (subcategory float_divisor)&lt;br/&gt;
  File:  &lt;tt&gt;/src/mongo/db/fts/fts_spec_legacy.cpp&lt;/tt&gt;&lt;br/&gt;
  Function &lt;tt&gt;mongo::fts::FTSSpec::_scoreStringV1(const mongo::fts::FTSSpec::Tools &amp;amp;, mongo::StringData, std::unordered_map&amp;lt;std::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt;&amp;gt;, double, std::hash&amp;lt;std::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt;&amp;gt;&amp;gt;, std::equal_to&amp;lt;std::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt;&amp;gt;&amp;gt;, std::allocator&amp;lt;std::pair&amp;lt;const std::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt;&amp;gt;, double&amp;gt;&amp;gt;&amp;gt; *, double) const&lt;/tt&gt;&lt;br/&gt;
    /src/mongo/db/fts/fts_spec_legacy.cpp, line: 73&lt;br/&gt;
    &lt;font color=&quot;red&quot;&gt;Assigning: &quot;numTokens&quot; = &quot;0U&quot;.&lt;/font&gt; &lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;        unsigned numTokens = 0;&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;
&lt;p&gt;    /src/mongo/db/fts/fts_spec_legacy.cpp, line: 107&lt;br/&gt;
    &lt;font color=&quot;red&quot;&gt;In expression &quot;0.5 * data.count / numTokens&quot;, division by expression &quot;numTokens&quot; which may be zero has undefined behavior.&lt;/font&gt; &lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            double coeff = (0.5 * data.count / numTokens) + 0.5;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;p/&gt;
</description>
                <environment></environment>
        <key id="227493">SERVER-20175</key>
            <summary>Coverity analysis defect 57187: Division or modulo by float zero</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="rassi">J Rassi</assignee>
                                    <reporter username="xgen-internal-coverity">Coverity Collector User</reporter>
                        <labels>
                            <label>coverity</label>
                    </labels>
                <created>Fri, 28 Aug 2015 13:16:56 +0000</created>
                <updated>Fri, 28 Aug 2015 14:59:24 +0000</updated>
                            <resolved>Fri, 28 Aug 2015 14:59:24 +0000</resolved>
                                                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1017030" author="rassi@10gen.com" created="Fri, 28 Aug 2015 14:58:52 +0000"  >&lt;p&gt;Closing as a dup of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-17916&quot; title=&quot;Check token count in FTS&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-17916&quot;&gt;&lt;del&gt;SERVER-17916&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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