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<p>Get list of prime numbers.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
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Include dependency graph for prime_numbers.cpp:</div>
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<div class="center"><iframe scrolling="no" loading="lazy" 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>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a9575f3a51eeb8a57d657b3db6a4b441a" id="r_a9575f3a51eeb8a57d657b3db6a4b441a"><td class="memItemLeft" align="right" valign="top">std::vector&lt; int &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a> (size_t max)</td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Get list of prime numbers. </p>
<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>
<p class="definition">Definition in file <a class="el" href="../../de/d9b/prime__numbers_8cpp_source.html">prime_numbers.cpp</a>.</p>
</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
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<p>main function </p>
<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>
<div class="fragment"><div class="line"><span class="lineno"> 34</span> {</div>
<div class="line"><span class="lineno"> 35</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Calculate primes up to:\n&gt;&gt; &quot;</span>;</div>
<div class="line"><span class="lineno"> 36</span> <span class="keywordtype">int</span> n = 0;</div>
<div class="line"><span class="lineno"> 37</span> std::cin &gt;&gt; n;</div>
<div class="line"><span class="lineno"> 38</span> std::vector&lt;int&gt; ans = <a class="code hl_function" href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a>(n);</div>
<div class="line"><span class="lineno"> 39</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p : ans) std::cout &lt;&lt; p &lt;&lt; <span class="charliteral">&#39; &#39;</span>;</div>
<div class="line"><span class="lineno"> 40</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 41</span>}</div>
<div class="ttc" id="aprime__numbers_8cpp_html_a9575f3a51eeb8a57d657b3db6a4b441a"><div class="ttname"><a href="#a9575f3a51eeb8a57d657b3db6a4b441a">primes</a></div><div class="ttdeci">std::vector&lt; int &gt; 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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<a id="a9575f3a51eeb8a57d657b3db6a4b441a" name="a9575f3a51eeb8a57d657b3db6a4b441a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9575f3a51eeb8a57d657b3db6a4b441a">&#9670;&#160;</a></span>primes()</h2>
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<td class="memname">std::vector&lt; int &gt; primes </td>
<td>(</td>
<td class="paramtype">size_t</td> <td class="paramname"><span class="paramname"><em>max</em></span></td><td>)</td>
<td></td>
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<p>Generate an increasingly large number of primes and store in a list </p>
<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>
<div class="fragment"><div class="line"><span class="lineno"> 12</span> {</div>
<div class="line"><span class="lineno"> 13</span> std::vector&lt;int&gt; res;</div>
<div class="line"><span class="lineno"> 14</span> std::vector&lt;bool&gt; is_not_prime(max + 1, <span class="keyword">false</span>);</div>
<div class="line"><span class="lineno"> 15</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 2; i &lt;= max; i++) {</div>
<div class="line"><span class="lineno"> 16</span> <span class="keywordflow">if</span> (!is_not_prime[i]) {</div>
<div class="line"><span class="lineno"> 17</span> res.emplace_back(i);</div>
<div class="line"><span class="lineno"> 18</span> }</div>
<div class="line"><span class="lineno"> 19</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p : res) {</div>
<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>
<div class="line"><span class="lineno"> 21</span> <span class="keywordflow">if</span> (k &gt; max) {</div>
<div class="line"><span class="lineno"> 22</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 23</span> }</div>
<div class="line"><span class="lineno"> 24</span> is_not_prime[<a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a1b74d828b33760094906797042b89442">k</a>] = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 25</span> <span class="keywordflow">if</span> (i % p == 0) {</div>
<div class="line"><span class="lineno"> 26</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 27</span> }</div>
<div class="line"><span class="lineno"> 28</span> }</div>
<div class="line"><span class="lineno"> 29</span> }</div>
<div class="line"><span class="lineno"> 30</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><span class="lineno"> 31</span>}</div>
<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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