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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Procyon AVRlib: Fixed-Point Math Function Library (fixedpt.c)</title><link href="dox.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.2 --><div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div><h1>Fixed-Point Math Function Library (fixedpt.c)<br><small>[<a class="el" href="group__general.html">General Libraries</a>]</small></h1><div class="fragment"><pre class="fragment"><span class="preprocessor"> #include "<a class="code" href="fixedpt_8h.html">fixedpt.h</a>"</span> </pre></div> <dl compact><dt><b>Overview</b></dt><dd>This library provides basic fixed-point math operations implemented in C. Fixed-point math is a system by which integer variables can represent fractional values with a fixed precision "behind" the decimal point (like a fixed number of decimal places). Fixed-point math is typically 10x faster to execute than floating-point math, and should be used when a limited amount of fractional precision is sufficient (such as 4ths, or 10ths, or 128ths, etc).</dd></dl><dl compact><dt><b>Note:</b></dt><dd>This library is really meant more as a demonstration of fixed-pt math. For best code-efficiency and speed, you are enouraged to take the code you see in these functions and copy it into your own code. </dd></dl><p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr></table><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:09 2006 for Procyon AVRlib by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address></body></html>⌨️ 快捷键说明
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