debian/fireflies/fireflies-2.08/libgfx/doc/mat3.html


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<!-- $Id: mat3.html 159 2000-09-05 19:43:19Z garland $ -->

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<title>libgfx: Matrix Math</title>
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<meta name="Author" content="Michael Garland">
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<h2>Matrix Math</h2>

<h3>class Mat3</h3>

<p>This class implements a 3x3 real-valued matrix.
Individual elements are represented with <code>double</code> precision
floating point numbers.  To use the <tt>Mat3</tt> class you must include the
header
<pre>
    #include &lt;gfx/mat3.h&gt;
</pre>

<h4>Constructor Methods</h4>

<p>The <tt>Mat3</tt> class defines the following set of constructors:

<pre>
    <i>// Initialize all elements to 0</i>
    Mat3();

    <i>// Initialize rows with given vectors</i>
    Mat3(const Vec3&amp; r0,const Vec3&amp; r1,const Vec3&amp; r2);

    <i>// Copy values from A</i>
    Mat3(const Mat3&amp; A); 
</pre>


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