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<title>Flex Bison C++ Example: CNConstant Class Reference</title>
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<h1>CNConstant Class Reference</h1><!-- doxytag: class="CNConstant" --><!-- doxytag: inherits="CalcNode" -->Calculation node always returning a constant value.
<a href="#_details">More...</a>
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<code>#include <<a class="el" href="expression_8h_source.html">expression.h</a>></code>
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Inheritance diagram for CNConstant:</div>
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<p><center><img src="classCNConstant.png" usemap="#CNConstant_map" border="0" alt=""></center>
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<a href="classCNConstant-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCNConstant.html#0cf39e7ec935e90a472f8bf4fd784fa2">CNConstant</a> (double _value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">construct a constant calculation node from a value <a href="#0cf39e7ec935e90a472f8bf4fd784fa2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="classCNConstant.html#f8f9ed8124c661e1dd31df7e6eed94c3">evaluate</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">evaluate the complete calculation tree and return the floating point result value <a href="#f8f9ed8124c661e1dd31df7e6eed94c3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCNConstant.html#cacd0c4f899f52b2ec29ad102fc17d9a">print</a> (std::ostream &os, unsigned int depth) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">output the calculation tree to the given stream. <a href="#cacd0c4f899f52b2ec29ad102fc17d9a"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classCNConstant.html#f0fd01f3efa73470cf585510a927340e">value</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">the constant value returned <a href="#f0fd01f3efa73470cf585510a927340e"></a><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Calculation node always returning a constant value.
<p>
<p>Definition at line <a class="el" href="expression_8h_source.html#l00040">40</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="0cf39e7ec935e90a472f8bf4fd784fa2"></a><!-- doxytag: member="CNConstant::CNConstant" ref="0cf39e7ec935e90a472f8bf4fd784fa2" args="(double _value)" -->
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<td class="memname">CNConstant::CNConstant </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>_value</em> </td>
<td> ) </td>
<td><code> [inline, explicit]</code></td>
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<p>
construct a constant calculation node from a value
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<p>Definition at line <a class="el" href="expression_8h_source.html#l00047">47</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="f8f9ed8124c661e1dd31df7e6eed94c3"></a><!-- doxytag: member="CNConstant::evaluate" ref="f8f9ed8124c661e1dd31df7e6eed94c3" args="() const " -->
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<td class="memname">virtual double CNConstant::evaluate </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline, virtual]</code></td>
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<p>
evaluate the complete calculation tree and return the floating point result value
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<p>Implements <a class="el" href="classCalcNode.html#0c036b9e80266101e155bf76da1b868a">CalcNode</a>.</p>
<p>Definition at line <a class="el" href="expression_8h_source.html#l00052">52</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
<p>References <a class="el" href="expression_8h_source.html#l00043">value</a>.</p>
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<a class="anchor" name="cacd0c4f899f52b2ec29ad102fc17d9a"></a><!-- doxytag: member="CNConstant::print" ref="cacd0c4f899f52b2ec29ad102fc17d9a" args="(std::ostream &os, unsigned int depth) const " -->
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<td class="memname">virtual void CNConstant::print </td>
<td>(</td>
<td class="paramtype">std::ostream & </td>
<td class="paramname"> <em>os</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>depth</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const<code> [inline, virtual]</code></td>
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output the calculation tree to the given stream.
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tries to format the output to make tree levels visible.
<p>Implements <a class="el" href="classCalcNode.html#ce46c07f593f0b4727faa46cbeb8f6e8">CalcNode</a>.</p>
<p>Definition at line <a class="el" href="expression_8h_source.html#l00057">57</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
<p>References <a class="el" href="expression_8h_source.html#l00033">CalcNode::indent()</a>, and <a class="el" href="expression_8h_source.html#l00043">value</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="f0fd01f3efa73470cf585510a927340e"></a><!-- doxytag: member="CNConstant::value" ref="f0fd01f3efa73470cf585510a927340e" args="" -->
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<td class="memname">double <a class="el" href="classCNConstant.html#f0fd01f3efa73470cf585510a927340e">CNConstant::value</a><code> [private]</code> </td>
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<p>
the constant value returned
<p>
<p>Definition at line <a class="el" href="expression_8h_source.html#l00043">43</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
<p>Referenced by <a class="el" href="expression_8h_source.html#l00052">evaluate()</a>, and <a class="el" href="expression_8h_source.html#l00057">print()</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>src/<a class="el" href="expression_8h_source.html">expression.h</a></ul>
</div>
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