Changes between Version 3 and Version 4 of IntroductionToFixedPointMath

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bhook (IP: 64.207.62.170)
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05/18/06 13:41:03 (13 years ago)
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  • IntroductionToFixedPointMath

    v3 v4  
    11= Introduction to Fixed Point Math = 
     29/14/2004 
    23 
    34Back in the olden days of dragons and sorcerers, before floating point coprocessors, computers could only directly manipulate whole numbers (integers).  Things like decimal points were new fangled technologies only used by crazy mathematicians with slide rules and pen and paper.   To overcome this deficiency crufty old-school programmers, many of whom today are over 30 years old, had to resort to various hacks and tricks in order to represent wacky numerical concepts like "0.5".  The most common technique was fixed point math, which is the topic of this article.