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On Tuesday 16 October 2007, Asko Kauppi wrote:
> Isn't fixed point code just using int32/64, and making input/output
> of numbers seem they're fractional?  Like 1000 -> 1.0 or just 1.

for addition/substraction it's enough; but if 1000 stands for 1.0, then 
1.0*1.0 would give you 1000.0! (1000*1000=1000000 => 1000.0)

so, most fixed-point libraries do continuous rescaling for simple operations


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