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Re: [fpu] Rounding Again
On Tue, 15 Aug 2000, Rudolf Usselmann wrote:
> Here is what I got from all the books:
>
> 1) You take the operands, increase the precision by
> appending 3 zeros at the right. (So your fractions
> are now 23+3=26 bits wide)
> 2) Preshift (Normalize).
> 3) Add
> 4) Normalize (count leading zeros and shift)
> The shifted result shifted in to GRS, if shifted right
> (where S is sticky), otherwise GRS are zero (and ignored).
>
> Is this correct so far ???
> What do I do next ?
>
I'll take a look in some books later tonight. Maybe I'll come up with
something.
--damjan