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Re: Alternate floating-point results under directed rounding

Siegfried M. Rump schrieb:


Although examples like
   intval(maxreal+maxreal)
are a little constructed; usually we would assume the argument of
a constructor to be a constant.
No. Frequently one needs an enclosure of a function value at a point. Then the argument of a constructor will be a float variable, computed in an arbitrary way. 

In any case, definitions in the standard must work for all allowed uses.


Arnold Neumaier