use decimal
Mark Miller
erights at gmail.com
Thu Sep 18 18:14:23 PDT 2008
2008/9/18 Mark S. Miller <erights at google.com>
>
> * The standards require various well behaved properties like:
>
> Let Tr = B2R(Xb) +r B2R(Yb) // Tr stands for True sum as a real number
> If representable(Tr) then Tr ===r B2R(Xb +b Yb)
> Else (greatest representable number <r Tr) <r B2R(Xb +b Yb) <r
> (smallest representable number >r Tr)
>
Oops. That last line should obviously be
Else (greatest representable number <r Tr) <=r B2R(Xb +b Yb) <=r
(smallest representable number >r Tr)
--
Text by me above is hereby placed in the public domain
Cheers,
--MarkM
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