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<div class="title">large_number Class Reference</div> </div>
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<p><code>#include <<a class="el" href="../../d4/d86/large__number_8h_source.html">large_number.h</a>></code></p>
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Collaboration diagram for large_number:</div>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a10119a83839e65962621b73df46a5337"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a> ()</td></tr>
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<tr class="memitem:af4598f1f2794b5e17e10c25e0501e41a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#af4598f1f2794b5e17e10c25e0501e41a">large_number</a> (int n)</td></tr>
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<tr class="separator:af4598f1f2794b5e17e10c25e0501e41a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0b1efd203274e38a67b78937dfb9b872"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a0b1efd203274e38a67b78937dfb9b872">large_number</a> (const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> &a)</td></tr>
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<tr class="memitem:a76ddf1ed1b00fb8c107ea56f7f91e42f"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a76ddf1ed1b00fb8c107ea56f7f91e42f">large_number</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>< unsigned char > &vec)</td></tr>
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<tr class="memitem:adf804e60309bf016f7954fdcb0a4d103"><td class="memItemLeft" align="right" valign="top"><a id="adf804e60309bf016f7954fdcb0a4d103"></a>
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 </td><td class="memItemRight" valign="bottom"><b>large_number</b> (char const *number_str)</td></tr>
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<tr class="memitem:a60c436d1a1c5e3795d6177d3815ad615"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a60c436d1a1c5e3795d6177d3815ad615">add_digit</a> (unsigned int value)</td></tr>
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<tr class="memitem:ac09a05ec4aafb4d9e0b4440d6f0e2a93"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a> () const</td></tr>
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<tr class="memitem:ace19126cf343a09efc0010735f6e3a8d"><td class="memItemLeft" align="right" valign="top">unsigned char & </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#ace19126cf343a09efc0010735f6e3a8d">operator[]</a> (size_t n)</td></tr>
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<tr class="memitem:ab53e3d0d72a547243a6e995e918ba87c"><td class="memItemLeft" align="right" valign="top"><a id="ab53e3d0d72a547243a6e995e918ba87c"></a>
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const unsigned char & </td><td class="memItemRight" valign="bottom"><b>operator[]</b> (size_t n) const</td></tr>
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<tr class="memitem:a622d84883180ff42f04955909adea5a9"><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="../../db/d82/classlarge__number.html#a622d84883180ff42f04955909adea5a9">operator++</a> ()</td></tr>
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<tr class="memitem:ac4fafa6289295419d48d444f0ae4b706"><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="../../db/d82/classlarge__number.html#ac4fafa6289295419d48d444f0ae4b706">operator++</a> (int)</td></tr>
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<tr class="separator:ac4fafa6289295419d48d444f0ae4b706"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac27b399ed872731758ec33ebb102730e"><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="../../db/d82/classlarge__number.html#ac27b399ed872731758ec33ebb102730e">operator+=</a> (<a class="el" href="../../db/d82/classlarge__number.html">large_number</a> n)</td></tr>
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<tr class="memitem:aad394466f3207b21b5d3e994b3a8ed72"><td class="memItemLeft" align="right" valign="top"><a id="aad394466f3207b21b5d3e994b3a8ed72"></a>
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<a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td><td class="memItemRight" valign="bottom"><b>operator+=</b> (int n)</td></tr>
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<tr class="separator:aad394466f3207b21b5d3e994b3a8ed72"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aeb22d2aae39d1b1e0bd39c7f47b333eb"><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="../../db/d82/classlarge__number.html#aeb22d2aae39d1b1e0bd39c7f47b333eb">operator=</a> (const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> &b)</td></tr>
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<tr class="separator:aeb22d2aae39d1b1e0bd39c7f47b333eb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab1af3e0f425cdf7ea2039c9dcfe22f0b"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
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<tr class="memitem:ab1af3e0f425cdf7ea2039c9dcfe22f0b"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#ab1af3e0f425cdf7ea2039c9dcfe22f0b">operator*=</a> (const T n)</td></tr>
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<tr class="memitem:ae35a55607cf52c0b0d485f2129bd39ac"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#ae35a55607cf52c0b0d485f2129bd39ac">digit_char</a> (size_t i) const</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a959c5c1a982949bbf98e1ea0f9afe6a9"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a959c5c1a982949bbf98e1ea0f9afe6a9">test</a> ()</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-methods"></a>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:a2f5571e66305cf68bb8283e4aeda58bc"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
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<tr class="memitem:a2f5571e66305cf68bb8283e4aeda58bc"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a2f5571e66305cf68bb8283e4aeda58bc">multiply</a> (const T n)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
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Private Attributes</h2></td></tr>
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<tr class="memitem:af2b3ec9c35842d3a46ac7326f268af57"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>< unsigned char > </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
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Friends</h2></td></tr>
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<tr class="memitem:a778428c4761b6ea5e7770743f0eab5ab"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::ostream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a778428c4761b6ea5e7770743f0eab5ab">operator<<</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::ostream</a> &out, const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> &a)</td></tr>
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<tr class="separator:a778428c4761b6ea5e7770743f0eab5ab"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7ba872b9a3ce1f3da6c06c5409663cca"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a7ba872b9a3ce1f3da6c06c5409663cca">operator==</a> (<a class="el" href="../../db/d82/classlarge__number.html">large_number</a> const &a, <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> const &b)</td></tr>
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<tr class="separator:a7ba872b9a3ce1f3da6c06c5409663cca"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a72ae1ef050c4c28c50952ecab22d4b94"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a72ae1ef050c4c28c50952ecab22d4b94">operator!=</a> (<a class="el" href="../../db/d82/classlarge__number.html">large_number</a> const &a, <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> const &b)</td></tr>
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<tr class="separator:a72ae1ef050c4c28c50952ecab22d4b94"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a70d23d67535e67030db570e56c00e16d"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
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<tr class="memitem:a70d23d67535e67030db570e56c00e16d"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../db/d82/classlarge__number.html#a70d23d67535e67030db570e56c00e16d">operator+</a> (const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> &a, const T &b)</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>Store large unsigned numbers as a C++ vector The class provides convenience functions to add a digit to the number, perform multiplication of large number with long unsigned integers. </p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a10119a83839e65962621b73df46a5337"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a10119a83839e65962621b73df46a5337">◆ </a></span>large_number() <span class="overload">[1/4]</span></h2>
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<td class="memname">large_number::large_number </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<p>< initializer with value = 1 </p>
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<div class="fragment"><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> { <a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(1); }</div>
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<p>< initializer from an integer initializer from another <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0b1efd203274e38a67b78937dfb9b872">◆ </a></span>large_number() <span class="overload">[3/4]</span></h2>
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<td class="paramtype">const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td>
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<p>initializer from a vector </p>
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<p>initializer from a string </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a60c436d1a1c5e3795d6177d3815ad615">◆ </a></span>add_digit()</h2>
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<p>add a digit at MSB to the large number </p>
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<div class="fragment"><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (value > 9) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"digit > 9!!\n"</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/utility/program/exit.html">exit</a>(EXIT_FAILURE);</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(value);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae35a55607cf52c0b0d485f2129bd39ac">◆ </a></span>digit_char()</h2>
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<p>returns i^th digit as an ASCII character </p>
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<div class="fragment"><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  {</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> <a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>[<a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>() - i - 1] + <span class="charliteral">'0'</span>;</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2f5571e66305cf68bb8283e4aeda58bc">◆ </a></span>multiply()</h2>
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<p>multiply large number with another integer and store the result in the same large number </p>
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<div class="fragment"><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  static_assert(<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/is_integral.html">std::is_integral<T>::value</a>,</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="stringliteral">"Can only have integer types."</span>);</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// assert(!(std::is_signed<T>::value)); //, "Implemented only for</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// unsigned integer types.");</span></div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  uint64_t carry = 0, temp;</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">for</span> (i = 0; i < this-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>(); i++) {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  temp = <span class="keyword">static_cast<</span>uint64_t<span class="keyword">></span>((*this)[i]) * n;</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  temp += carry;</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (temp < 10) {</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  carry = 0;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  carry = temp / 10;</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  temp = temp % 10;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  (*this)[i] = temp;</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">while</span> (carry != 0) {</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  this-><a class="code" href="../../db/d82/classlarge__number.html#a60c436d1a1c5e3795d6177d3815ad615">add_digit</a>(carry % 10);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  carry /= 10;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac09a05ec4aafb4d9e0b4440d6f0e2a93">◆ </a></span>num_digits()</h2>
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<p>Get number of digits in the number </p>
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<div class="fragment"><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> { <span class="keywordflow">return</span> <a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ab1af3e0f425cdf7ea2039c9dcfe22f0b">◆ </a></span>operator*=()</h2>
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<p>operator overload to increment </p>
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<div class="fragment"><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  static_assert(<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/types/is_integral.html">std::is_integral<T>::value</a>,</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="stringliteral">"Must be integer addition unsigned integer types."</span>);</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  this-><a class="code" href="../../db/d82/classlarge__number.html#a2f5571e66305cf68bb8283e4aeda58bc">multiply</a>(n);</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a622d84883180ff42f04955909adea5a9">◆ </a></span>operator++() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a>& large_number::operator++ </td>
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<p>operator overload to increment (prefix) </p>
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<div class="fragment"><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  (*this) += 1;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac4fafa6289295419d48d444f0ae4b706">◆ </a></span>operator++() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a>& large_number::operator++ </td>
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<p>operator overload to increment (postfix) </p>
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<div class="fragment"><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static</span> <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> tmp(<a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>);</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  ++(*this);</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> tmp;</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a>& large_number::operator+= </td>
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<p>operator overload to add </p>
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<div class="fragment"><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  {</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// if adding with another large_number</span></div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> *b = <span class="keyword">reinterpret_cast<</span><a class="code" href="../../db/d82/classlarge__number.html">large_number</a> *<span class="keyword">></span>(&n);</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> max_L = <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(this-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>(), b-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>());</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> carry = 0;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">size_t</span> i;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">for</span> (i = 0; i < max_L || carry != 0; i++) {</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (i < b-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>())</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  carry += (*b)[i];</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (i < this-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>())</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  carry += (*this)[i];</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (i < this-><a class="code" href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">num_digits</a>())</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  (*this)[i] = carry % 10;</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  this-><a class="code" href="../../db/d82/classlarge__number.html#a60c436d1a1c5e3795d6177d3815ad615">add_digit</a>(carry % 10);</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  carry /= 10;</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
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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="../../db/d82/classlarge__number_ac27b399ed872731758ec33ebb102730e_cgraph.svg" width="603" height="139"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<h2 class="memtitle"><span class="permalink"><a href="#aeb22d2aae39d1b1e0bd39c7f47b333eb">◆ </a></span>operator=()</h2>
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a>& large_number::operator= </td>
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<td class="paramtype">const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td>
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<p>assignment operator </p>
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<div class="fragment"><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  this-><a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a> = b.<a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
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<td class="memname">unsigned char& large_number::operator[] </td>
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<p>operator over load to access the i^th digit conveniently and also assign value to it </p>
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<div class="fragment"><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> { <span class="keywordflow">return</span> this-><a class="code" href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">_digits</a>[n]; }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a959c5c1a982949bbf98e1ea0f9afe6a9">◆ </a></span>test()</h2>
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<td class="memname">static bool large_number::test </td>
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<p>Function to check implementation </p>
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<div class="fragment"><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"------ Checking `large_number` class implementations\t"</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> a(40);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// 1. test multiplication</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  a *= 10;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(400)) {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 1/6 ("</span> << a << <span class="stringliteral">"!=400)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 1/6..."</span>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// 2. test compound addition with integer</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  a += 120;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(520)) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 2/6 ("</span> << a << <span class="stringliteral">"!=520)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 2/6..."</span>;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// 3. test compound multiplication again</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  a *= 10;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(5200)) {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 3/6 ("</span> << a << <span class="stringliteral">"!=5200)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 3/6..."</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// 4. test increment (prefix)</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ++a;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(5201)) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 4/6 ("</span> << a << <span class="stringliteral">"!=5201)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 4/6..."</span>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// 5. test increment (postfix)</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  a++;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(5202)) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 5/6 ("</span> << a << <span class="stringliteral">"!=5202)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 5/6..."</span>;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// 6. test addition with another large number</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  a = a + <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(<span class="stringliteral">"7000000000000000000000000000000"</span>);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (a != <a class="code" href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number</a>(<span class="stringliteral">"7000000000000000000000000005202"</span>)) {</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> << <span class="stringliteral">"\tFailed 6/6 ("</span> << a</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  << <span class="stringliteral">"!=7000000000000000000000000005202)"</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\tPassed 6/6..."</span> << <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<td class="paramtype"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a> const & </td>
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<p>operator overload to compare two numbers </p>
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<div class="fragment"><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> !(a == b);</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
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<td class="memname"><a class="el" href="../../db/d82/classlarge__number.html">large_number</a>& operator+ </td>
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<td class="paramtype">const <a class="el" href="../../db/d82/classlarge__number.html">large_number</a> & </td>
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<p>operator overload to perform addition </p>
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<div class="fragment"><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  {</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">static</span> <a class="code" href="../../db/d82/classlarge__number.html">large_number</a> c = a;</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  c += b;</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> c;</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
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<p>operator overload to compare two numbers </p>
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<div class="fragment"><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = a.num_digits(); i > 0; i--)</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  out << static_cast<int>(a[i - 1]);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> out;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
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<p>operator overload to compare two numbers </p>
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<div class="fragment"><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  {</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">size_t</span> N = a.num_digits();</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (N != b.num_digits())</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < N; i++)</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (a[i] != b[i])</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#af2b3ec9c35842d3a46ac7326f268af57">◆ </a></span>_digits</h2>
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<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a><unsigned char> large_number::_digits</td>
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<p>where individual digits are stored </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>math/<a class="el" href="../../d4/d86/large__number_8h_source.html">large_number.h</a></li>
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<div class="ttc" id="aclasslarge__number_html_a60c436d1a1c5e3795d6177d3815ad615"><div class="ttname"><a href="../../db/d82/classlarge__number.html#a60c436d1a1c5e3795d6177d3815ad615">large_number::add_digit</a></div><div class="ttdeci">void add_digit(unsigned int value)</div><div class="ttdef"><b>Definition:</b> large_number.h:118</div></div>
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<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></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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<div class="ttc" id="aclasslarge__number_html_ac09a05ec4aafb4d9e0b4440d6f0e2a93"><div class="ttname"><a href="../../db/d82/classlarge__number.html#ac09a05ec4aafb4d9e0b4440d6f0e2a93">large_number::num_digits</a></div><div class="ttdeci">size_t num_digits() const</div><div class="ttdef"><b>Definition:</b> large_number.h:130</div></div>
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<div class="ttc" id="apush_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">std::vector::push_back</a></div><div class="ttdeci">T push_back(T... args)</div></div>
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<div class="ttc" id="aclasslarge__number_html_a10119a83839e65962621b73df46a5337"><div class="ttname"><a href="../../db/d82/classlarge__number.html#a10119a83839e65962621b73df46a5337">large_number::large_number</a></div><div class="ttdeci">large_number()</div><div class="ttdef"><b>Definition:</b> large_number.h:27</div></div>
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<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a></div></div>
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<div class="ttc" id="aclasslarge__number_html_a2f5571e66305cf68bb8283e4aeda58bc"><div class="ttname"><a href="../../db/d82/classlarge__number.html#a2f5571e66305cf68bb8283e4aeda58bc">large_number::multiply</a></div><div class="ttdeci">void multiply(const T n)</div><div class="ttdef"><b>Definition:</b> large_number.h:258</div></div>
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<div class="ttc" id="aclasslarge__number_html_af2b3ec9c35842d3a46ac7326f268af57"><div class="ttname"><a href="../../db/d82/classlarge__number.html#af2b3ec9c35842d3a46ac7326f268af57">large_number::_digits</a></div><div class="ttdeci">std::vector< unsigned char > _digits</div><div class="ttdef"><b>Definition:</b> large_number.h:285</div></div>
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<div class="ttc" id="ais_integral_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_integral.html">std::is_integral</a></div></div>
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<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
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<div class="ttc" id="aexit_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/program/exit.html">std::exit</a></div><div class="ttdeci">T exit(T... args)</div></div>
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