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47 lines
1.1 KiB
HTML
47 lines
1.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
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"http://www.w3.org/TR/REC-html40/loose.dtd">
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<!-- $Id: mat2.html 159 2000-09-05 19:43:19Z garland $ -->
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<html>
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<head>
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<title>libgfx: Matrix Math</title>
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<link rel=stylesheet href="cdoc.css" type="text/css">
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<meta name="Author" content="Michael Garland">
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</head>
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<body>
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<h2>Matrix Math</h2>
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<h3>class Mat2</h3>
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<p>This class implements a 2x2 real-valued matrix.
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Individual elements are represented with <code>double</code> precision
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floating point numbers. To use the <tt>Mat2</tt> class you must include the
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header
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<pre>
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#include <gfx/mat2.h>
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</pre>
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<h4>Constructor Methods</h4>
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<p>The <tt>Mat2</tt> class defines the following set of constructors:
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<pre>
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<i>// Initialize all elements to 0</i>
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Mat2();
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<i>// Initialize row 0 to [a b] and row 1 to [c d]</i>
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Mat2(double a, double b, double c, double d);
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<i>// Initialize rows with given vectors</i>
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Mat2(const Vec2 &r0,const Vec2 &r1);
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<i>// Copy values from A</i>
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Mat2(const Mat2 &A);
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</pre>
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</body>
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</html>
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