neuralpp/doc/html/examples_2doAdd_8cpp-exampl...

69 lines
4.0 KiB
HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Neural++: examples/doAdd.cpp</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.6 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
</ul>
</div>
</div>
<div class="contents">
<h1>examples/doAdd.cpp</h1>Show how to use a network already trained and saved to a binary file. In this case, a network trained to simply perform sums between two real numbers, that should have already been created using learnAdd.<p>
<div class="fragment"><pre class="fragment">
<span class="preprocessor">#include &lt;iostream&gt;</span>
<span class="preprocessor">#include &lt;<a class="code" href="neural_09_09_8hpp.html">neural++.hpp</a>&gt;</span>
<span class="keyword">using namespace </span>std;
<span class="keyword">using namespace </span>neuralpp;
<span class="preprocessor">#define NETFILE "adder.net"</span>
<span class="preprocessor"></span>
<span class="keywordtype">int</span> main() {
<span class="keywordtype">double</span> a,b;
<a name="_a0"></a><a class="code" href="classneuralpp_1_1NeuralNet.html" title="Main project&amp;#39;s class.">NeuralNet</a> net;
<span class="comment">// Load the pre-trained network from "adder.net" file</span>
<span class="keywordflow">try</span> {
net = <a class="code" href="classneuralpp_1_1NeuralNet.html" title="Main project&amp;#39;s class.">NeuralNet</a>(NETFILE);
}
<span class="keywordflow">catch</span> (<a name="_a1"></a><a class="code" href="classneuralpp_1_1NetworkFileNotFoundException.html" title="Exception thrown when doing an attempt to load a network from an invalid file.">NetworkFileNotFoundException</a> e) {
cerr &lt;&lt; <span class="stringliteral">"Fatal error while opening "</span> &lt;&lt; NETFILE &lt;&lt; <span class="stringliteral">": "</span> &lt;&lt; e.<a name="a2"></a><a class="code" href="classneuralpp_1_1NetworkFileNotFoundException.html#24cde7729ab22d343f36e638cfc40702">what</a>();
<span class="keywordflow">return</span> 1;
}
cout &lt;&lt; <span class="stringliteral">"First number to add: "</span>;
cin &gt;&gt; a;
cout &lt;&lt; <span class="stringliteral">"Second number to add: "</span>;
cin &gt;&gt; b;
vector&lt;double&gt; v;
v.push_back(a);
v.push_back(b);
<span class="comment">// Set the numbers just read as input values, propagate those values, and get</span>
<span class="comment">// the output</span>
net.<a name="a3"></a><a class="code" href="classneuralpp_1_1NeuralNet.html#405b32d2928344314ecf0469070b0f17" title="It sets the input for the network.">setInput</a>(v);
net.<a name="a4"></a><a class="code" href="classneuralpp_1_1NeuralNet.html#c129c180647362da963758bfd1ba6890" title="It propagates values through the network.">propagate</a>();
cout &lt;&lt; <span class="stringliteral">"Neural net output: "</span> &lt;&lt; net.<a name="a5"></a><a class="code" href="classneuralpp_1_1NeuralNet.html#961dce8913264bf64c899dce4e25f810" title="It gets the output of the network (note: the layer output should contain an only...">getOutput</a>() &lt;&lt; endl;
<span class="keywordflow">return</span> 0;
}
</pre></div> </div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sun Aug 16 20:53:42 2009 for Neural++ by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
</body>
</html>