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<?xml version='1.0'?>
<html xmlns='http://www.w3.org/1999/xhtml'
      xmlns:math='http://www.w3.org/1998/Math/MathML'
>
<head>
<title>Source: det_by_minor</title>
<meta http-equiv='Content-Type' content='text/html' charset='utf-8'/>
<meta name="description" id="description" content="Source: det_by_minor"/>
<meta name="keywords" id="keywords" content=" source: det_by_minor source "/>
<style type='text/css'>
body { color : black }
body { background-color : white }
A:link { color : blue }
A:visited { color : purple }
A:active { color : purple }
</style>
<script type='text/javascript' language='JavaScript' src='_det_by_minor.hpp_xml.js'>
</script>
</head>
<body>
<table><tr>
<td>
<a href="http://www.coin-or.org/CppAD/" target="_top"><img border="0" src="_image.gif"/></a>
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<option>Index-&gt;</option>
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<option>speed-&gt;</option>
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</td>
<td>
<select onchange='choose_down2(this)'>
<option>speed_utility-&gt;</option>
<option>det_by_lu</option>
<option>det_of_minor</option>
<option>det_by_minor</option>
<option>det_33</option>
<option>det_grad_33</option>
<option>mat_sum_sq</option>
<option>ode_evaluate</option>
<option>sparse_jac_fun</option>
<option>sparse_hes_fun</option>
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<option>det_by_minor-&gt;</option>
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<option>det_by_minor.hpp</option>
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</td>
<td>det_by_minor.hpp</td>
<td>Headings</td>
</tr></table><br/>



<center><b><big><big>Source: det_by_minor</big></big></b></center>
<code><font color="blue"># ifndef CPPAD_DET_BY_MINOR_INCLUDED 
<code><span style='white-space: nowrap'><br/>
</span></code># define CPPAD_DET_BY_MINOR_INCLUDED

<pre style='display:inline'> 
# include &lt;cppad/cppad.hpp&gt;
# include &lt;cppad/speed/det_of_minor.hpp&gt;

// BEGIN CppAD namespace
namespace CppAD {

template &lt;class Scalar&gt;
class det_by_minor {
private:
	size_t              m_;

	// made mutable because modified and then restored
	mutable std::vector&lt;size_t&gt; r_;
	mutable std::vector&lt;size_t&gt; c_;

	// make mutable because its value does not matter
	mutable std::vector&lt;Scalar&gt; a_;
public:
	det_by_minor(size_t m) : m_(m) , r_(m + 1) , c_(m + 1), a_(m * m)
	{
		size_t i;

		// values for r and c that correspond to entire matrix
		for(i = 0; i &lt; m; i++)
		{	r_[i] = i+1;
			c_[i] = i+1;
		}
		r_[m] = 0;
		c_[m] = 0;
	}

	template &lt;class Vector&gt;
	inline Scalar operator()(const Vector &amp;x) const
	{	size_t i = m_ * m_;
		while(i--)
			a_[i] = x[i];
		return det_of_minor(a_, m_, m_, r_, c_); 
	}

};

} // END CppAD namespace
</pre>


# endif
</font></code>


<hr/>Input File: omh/det_by_minor_hpp.omh

</body>
</html>