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Fixed-Point Math Function Library (fixedpt.c)
[General Libraries]

 #include "fixedpt.h" 
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).
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.

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