robin wrote:
(snip)
> Not every program needs SQRT. In any case, it was probably
> done by invoking a function, in which case, storage requirements
> would not have been an issue.
> Many programs, however, routinely require division by 2,
> and as there may be a number of these in a program,
> the amount of extra storage required would become a drawback.
(snip)
> The crux was that for general use, the original HER and HDR
> were not as attractive as they would seem.
Someone claimed that they were originally to speed up square root,
and I don't remember ever seeing them used anywhere else. It does
seem that they could be useful, though.
-- glen


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