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 <span id="projectnumber">1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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<div class="title">fibonacci_large.cpp File Reference</div> </div>
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<div class="contents">
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<p>Computes N^th Fibonacci number given as input argument. Uses custom build arbitrary integers library to perform additions and other operations.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include <cinttypes></code><br />
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<code>#include <ctime></code><br />
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<code>#include <iostream></code><br />
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<code>#include "<a class="el" href="../../d4/d86/large__number_8h_source.html">./large_number.h</a>"</code><br />
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Functions</h2></td></tr>
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<tr class="memitem:adf3e906875ab257f7fab3bc1370aa2db"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/de4/fibonacci__large_8cpp.html#adf3e906875ab257f7fab3bc1370aa2db">fib</a> (uint64_t n)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>main</b> (int argc, char *argv[])</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Computes N^th Fibonacci number given as input argument. Uses custom build arbitrary integers library to perform additions and other operations. </p>
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<p>Took 0.608246 seconds to compute 50,000^th Fibonacci number that contains 10450 digits!</p>
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<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/kvedala">Krishna Vedala</a> </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="../../d9/d89/fibonacci_8cpp.html" title="Generate fibonacci sequence.">fibonacci.cpp</a>, <a class="el" href="../../d4/d32/fibonacci__fast_8cpp.html" title="Faster computation of Fibonacci series.">fibonacci_fast.cpp</a>, <a class="el" href="../../de/d47/string__fibonacci_8cpp.html" title="This Programme returns the Nth fibonacci as a string.">string_fibonacci.cpp</a> </dd></dl>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="adf3e906875ab257f7fab3bc1370aa2db"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#adf3e906875ab257f7fab3bc1370aa2db">◆ </a></span>fib()</h2>
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<table class="memname">
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a> fib </td>
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<td>(</td>
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<td class="paramtype">uint64_t </td>
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<td class="paramname"><em>n</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Compute fibonacci numbers using the relation </p><p class="formulaDsp">
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\[f(n)=f(n-1)+f(n-2)\]
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</p>
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<p> and returns the result as a <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> type. </p>
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<div class="fragment"><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> f0(1);</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> f1(1);</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">do</span> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> f2 = f1;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  f1 += f0;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  f0 = f2;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  n--;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  } <span class="keywordflow">while</span> (n > 2); <span class="comment">// since we start from 2</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> f1;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div>
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<div class="ttc" id="aclasslarge__number_html"><div class="ttname"><a href="../../db/d82/classlarge__number.html">large_number</a></div><div class="ttdef"><b>Definition:</b> large_number.h:24</div></div>
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