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Altera_Forum
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11 years ago

MATLAB and Modelsim results

Hi. why results of a megafunction is different from matlab single precision results of the same computations? is there a problem in my implementation? if not what is the truncate error of the...
Altera_Forum's avatar
Altera_Forum
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11 years ago

you would just pass the Q value to add sub. the remainder would usually be discarded. The trick is aligning the fixed point properly to only discard a remainder that has an insignificant affect on the output.

Fixed point is just integer with a 2^n offset.