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<title>Algorithms_in_C++: math/prime_numbers.cpp File Reference</title>
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<title>TheAlgorithms/C++: math/prime_numbers.cpp File Reference</title>
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<div id="projectname">Algorithms_in_C++<span id="projectnumber"> 1.0.0</span>
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<div id="projectname">TheAlgorithms/C++<span id="projectnumber"> 1.0.0</span>
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</div>
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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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<div id="projectbrief">All the algorithms implemented in C++</div>
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</td>
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</tr>
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@@ -119,10 +136,12 @@ Include dependency graph for prime_numbers.cpp:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../d4/df8/prime__numbers_8cpp__incl.svg" width="179" height="111"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<p><a href="../../de/d9b/prime__numbers_8cpp_source.html">Go to the source code of this file.</a></p>
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<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:a9575f3a51eeb8a57d657b3db6a4b441a" id="r_a9575f3a51eeb8a57d657b3db6a4b441a"><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>< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a> (size_t max)</td></tr>
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<tr class="memitem:a9575f3a51eeb8a57d657b3db6a4b441a" id="r_a9575f3a51eeb8a57d657b3db6a4b441a"><td class="memItemLeft" align="right" valign="top">std::vector< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a> (size_t max)</td></tr>
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<tr class="separator:a9575f3a51eeb8a57d657b3db6a4b441a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2"> </td></tr>
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@@ -130,6 +149,8 @@ Functions</h2></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>Get list of prime numbers. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="../../d4/d9c/primes__up__to__billion_8cpp.html" title="Compute prime numbers upto 1 billion.">primes_up_to_billion.cpp</a> <a class="el" href="../../d8/ddf/sieve__of__eratosthenes_8cpp.html" title="Prime Numbers using Sieve of Eratosthenes">sieve_of_eratosthenes.cpp</a> </dd></dl>
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<p class="definition">Definition in file <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html">prime_numbers.cpp</a>.</p>
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</div><h2 class="groupheader">Function Documentation</h2>
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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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@@ -146,25 +167,18 @@ Functions</h2></td></tr>
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</table>
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</div><div class="memdoc">
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<p>main function </p>
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<div class="fragment"><div class="line"><span class="lineno"> 34</span> {</div>
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<div class="line"><span class="lineno"> 35</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Calculate primes up to:\n>> "</span>;</div>
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<div class="line"><span class="lineno"> 36</span> <span class="keywordtype">int</span> n = 0;</div>
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<div class="line"><span class="lineno"> 37</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> >> n;</div>
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<div class="line"><span class="lineno"> 38</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<int></a> ans = <a class="code hl_function" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a>(n);</div>
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<div class="line"><span class="lineno"> 39</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p : ans) <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << p << <span class="charliteral">' '</span>;</div>
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<div class="line"><span class="lineno"> 40</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 41</span>}</div>
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<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></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::cout</a></div></div>
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<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
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<div class="ttc" id="aprime__numbers_8cpp_html_a9575f3a51eeb8a57d657b3db6a4b441a"><div class="ttname"><a href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a></div><div class="ttdeci">std::vector< int > primes(size_t max)</div><div class="ttdef"><b>Definition</b> prime_numbers.cpp:12</div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></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="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../de/d9b/prime__numbers_8cpp_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="403" height="86"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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</div>
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<p class="definition">Definition at line <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html#l00034">34</a> of file <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html">prime_numbers.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 34</span> {</div>
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<div class="line"><span class="lineno"> 35</span> std::cout << <span class="stringliteral">"Calculate primes up to:\n>> "</span>;</div>
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<div class="line"><span class="lineno"> 36</span> <span class="keywordtype">int</span> n = 0;</div>
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<div class="line"><span class="lineno"> 37</span> std::cin >> n;</div>
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<div class="line"><span class="lineno"> 38</span> std::vector<int> ans = <a class="code hl_function" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a>(n);</div>
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<div class="line"><span class="lineno"> 39</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p : ans) std::cout << p << <span class="charliteral">' '</span>;</div>
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<div class="line"><span class="lineno"> 40</span> std::cout << std::endl;</div>
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<div class="line"><span class="lineno"> 41</span>}</div>
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<div class="ttc" id="aprime__numbers_8cpp_html_a9575f3a51eeb8a57d657b3db6a4b441a"><div class="ttname"><a href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a></div><div class="ttdeci">std::vector< int > primes(size_t max)</div><div class="ttdef"><b>Definition</b> <a href="../../de/d9b/prime__numbers_8cpp_source.html#l00012">prime_numbers.cpp:12</a></div></div>
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</div><!-- fragment -->
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<a id="a9575f3a51eeb8a57d657b3db6a4b441a" name="a9575f3a51eeb8a57d657b3db6a4b441a"></a>
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@@ -174,7 +188,7 @@ Here is the call graph for this function:</div>
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<div class="memproto">
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<tr>
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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>< int > primes </td>
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<td class="memname">std::vector< int > primes </td>
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<td>(</td>
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<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>max</em></span></td><td>)</td>
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<td></td>
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<p>Generate an increasingly large number of primes and store in a list </p>
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<p class="definition">Definition at line <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html#l00012">12</a> of file <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html">prime_numbers.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 12</span> {</div>
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<div class="line"><span class="lineno"> 13</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<int></a> res;</div>
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<div class="line"><span class="lineno"> 14</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<bool></a> is_not_prime(max + 1, <span class="keyword">false</span>);</div>
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<div class="line"><span class="lineno"> 15</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 2; i <= <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">max</a>; i++) {</div>
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<div class="line"><span class="lineno"> 13</span> std::vector<int> res;</div>
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<div class="line"><span class="lineno"> 14</span> std::vector<bool> is_not_prime(max + 1, <span class="keyword">false</span>);</div>
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<div class="line"><span class="lineno"> 15</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 2; i <= max; i++) {</div>
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<div class="line"><span class="lineno"> 16</span> <span class="keywordflow">if</span> (!is_not_prime[i]) {</div>
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<div class="line"><span class="lineno"> 17</span> res.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(i);</div>
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<div class="line"><span class="lineno"> 17</span> res.emplace_back(i);</div>
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<div class="line"><span class="lineno"> 18</span> }</div>
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<div class="line"><span class="lineno"> 19</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p : res) {</div>
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<div class="line"><span class="lineno"> 20</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a1b74d828b33760094906797042b89442">k</a> = i * p;</div>
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<div class="line"><span class="lineno"> 29</span> }</div>
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<div class="line"><span class="lineno"> 30</span> <span class="keywordflow">return</span> res;</div>
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<div class="line"><span class="lineno"> 31</span>}</div>
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<div class="ttc" id="acomposite__simpson__rule_8cpp_html_a1b74d828b33760094906797042b89442"><div class="ttname"><a href="../../d4/d18/composite__simpson__rule_8cpp.html#a1b74d828b33760094906797042b89442">numerical_methods::simpson_method::k</a></div><div class="ttdeci">double k(double x)</div><div class="ttdoc">Another test function.</div><div class="ttdef"><b>Definition</b> composite_simpson_rule.cpp:117</div></div>
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<div class="ttc" id="aemplace_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">std::vector::emplace_back</a></div><div class="ttdeci">T emplace_back(T... args)</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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Here is the call graph for this function:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../de/d9b/prime__numbers_8cpp_a9575f3a51eeb8a57d657b3db6a4b441a_cgraph.svg" width="295" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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</div>
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<div class="ttc" id="acomposite__simpson__rule_8cpp_html_a1b74d828b33760094906797042b89442"><div class="ttname"><a href="../../d4/d18/composite__simpson__rule_8cpp.html#a1b74d828b33760094906797042b89442">numerical_methods::simpson_method::k</a></div><div class="ttdeci">double k(double x)</div><div class="ttdoc">Another test function.</div><div class="ttdef"><b>Definition</b> <a href="../../d4/d18/composite__simpson__rule_8cpp_source.html#l00117">composite_simpson_rule.cpp:117</a></div></div>
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</div><!-- contents -->
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