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<div class="headertitle"><div class="title">hamming_distance.c File Reference</div></div>
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<div class="contents">
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<p><a href="https://en.wikipedia.org/wiki/Hamming_distance" target="_blank">Hamming distance</a> algorithm implementation.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include <assert.h></code><br />
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<code>#include <stdio.h></code><br />
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</div><div class="textblock"><div class="dynheader">
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Include dependency graph for hamming_distance.c:</div>
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ab7a7bac10f43dd5d2d064553fbf2cd7a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d5/da4/hamming__distance_8c.html#ab7a7bac10f43dd5d2d064553fbf2cd7a">hamming_distance</a> (char *str1, char *str2)</td></tr>
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<tr class="memdesc:ab7a7bac10f43dd5d2d064553fbf2cd7a"><td class="mdescLeft"> </td><td class="mdescRight">for assert <br /></td></tr>
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<tr class="separator:ab7a7bac10f43dd5d2d064553fbf2cd7a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d5/da4/hamming__distance_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
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<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft"> </td><td class="mdescRight">Self-test implementations. <br /></td></tr>
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<tr class="separator:aa8dca7b867074164d5f45b0f3851269d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d5/da4/hamming__distance_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft"> </td><td class="mdescRight">Main function. <br /></td></tr>
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<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Hamming_distance" target="_blank">Hamming distance</a> algorithm implementation. </p>
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<p>In information theory, the Hamming distance between two strings of equal length is the number of positions at which the corresponding symbols are different. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/aybarsnazlica" target="_blank">Aybars Nazlica</a> </dd></dl>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="ab7a7bac10f43dd5d2d064553fbf2cd7a" name="ab7a7bac10f43dd5d2d064553fbf2cd7a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab7a7bac10f43dd5d2d064553fbf2cd7a">◆ </a></span>hamming_distance()</h2>
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<div class="memitem">
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<div class="memproto">
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<td class="memname">int hamming_distance </td>
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<td>(</td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>str1</em>, </td>
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<td></td>
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<td class="paramtype">char * </td>
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<td class="paramname"><em>str2</em> </td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>for assert </p>
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<p>for IO operations</p>
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<p>Function to calculate the Hamming distance between two strings </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">param1</td><td>string 1 </td></tr>
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<tr><td class="paramname">param2</td><td>string 2 </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Hamming distance </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 22</span>{</div>
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<div class="line"><span class="lineno"> 23</span> <span class="keywordtype">int</span> i = 0, distance = 0;</div>
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<div class="line"><span class="lineno"> 24</span> </div>
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<div class="line"><span class="lineno"> 25</span> <span class="keywordflow">while</span> (str1[i] != <span class="charliteral">'\0'</span>)</div>
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<div class="line"><span class="lineno"> 26</span> {</div>
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<div class="line"><span class="lineno"> 27</span> <span class="keywordflow">if</span> (str1[i] != str2[i])</div>
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<div class="line"><span class="lineno"> 28</span> {</div>
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<div class="line"><span class="lineno"> 29</span> distance++;</div>
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<div class="line"><span class="lineno"> 30</span> }</div>
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<div class="line"><span class="lineno"> 31</span> i++;</div>
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<div class="line"><span class="lineno"> 32</span> }</div>
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<div class="line"><span class="lineno"> 33</span> </div>
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<div class="line"><span class="lineno"> 34</span> <span class="keywordflow">return</span> distance;</div>
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<div class="line"><span class="lineno"> 35</span>}</div>
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</div><!-- fragment -->
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</div>
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<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">◆ </a></span>main()</h2>
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<td class="memname">int main </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<p>Main function. </p>
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<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 59</span>{</div>
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<div class="line"><span class="lineno"> 60</span> <a class="code hl_function" href="../../d5/da4/hamming__distance_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
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<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><span class="lineno"> 62</span>}</div>
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<div class="ttc" id="ahamming__distance_8c_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d5/da4/hamming__distance_8c.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition:</b> hamming_distance.c:41</div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../d5/da4/hamming__distance_8c_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="332" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<a id="aa8dca7b867074164d5f45b0f3851269d" name="aa8dca7b867074164d5f45b0f3851269d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8dca7b867074164d5f45b0f3851269d">◆ </a></span>test()</h2>
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<td class="memname">static void test </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<p>Self-test implementations. </p>
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<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 42</span>{</div>
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<div class="line"><span class="lineno"> 43</span> <span class="keywordtype">char</span> str1[] = <span class="stringliteral">"karolin"</span>;</div>
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<div class="line"><span class="lineno"> 44</span> <span class="keywordtype">char</span> str2[] = <span class="stringliteral">"kathrin"</span>;</div>
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<div class="line"><span class="lineno"> 45</span> </div>
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<div class="line"><span class="lineno"> 46</span> assert(<a class="code hl_function" href="../../d5/da4/hamming__distance_8c.html#ab7a7bac10f43dd5d2d064553fbf2cd7a">hamming_distance</a>(str1, str2) == 3);</div>
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<div class="line"><span class="lineno"> 47</span> </div>
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<div class="line"><span class="lineno"> 48</span> <span class="keywordtype">char</span> str3[] = <span class="stringliteral">"00000"</span>;</div>
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<div class="line"><span class="lineno"> 49</span> <span class="keywordtype">char</span> str4[] = <span class="stringliteral">"11111"</span>;</div>
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<div class="line"><span class="lineno"> 50</span> </div>
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<div class="line"><span class="lineno"> 51</span> assert(<a class="code hl_function" href="../../d5/da4/hamming__distance_8c.html#ab7a7bac10f43dd5d2d064553fbf2cd7a">hamming_distance</a>(str3, str4) == 5);</div>
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<div class="line"><span class="lineno"> 52</span> printf(<span class="stringliteral">"All tests have successfully passed!\n"</span>);</div>
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<div class="line"><span class="lineno"> 53</span>}</div>
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<div class="ttc" id="ahamming__distance_8c_html_ab7a7bac10f43dd5d2d064553fbf2cd7a"><div class="ttname"><a href="../../d5/da4/hamming__distance_8c.html#ab7a7bac10f43dd5d2d064553fbf2cd7a">hamming_distance</a></div><div class="ttdeci">int hamming_distance(char *str1, char *str2)</div><div class="ttdoc">for assert</div><div class="ttdef"><b>Definition:</b> hamming_distance.c:21</div></div>
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