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These functions are required or recommended by
returns with its sign changed to returns the value 1 just when -If
t t +If; otherwise a zero is returned (when = If or is Na returns
in integer format. returns and returns returns the next machine
representable number from in direction returns the remainder :=
- where is the integer nearest the exact value of moreover if -
= 1/2 then is even. Consequently the remainder is computed exactly and
e But and are invalid operations that produce a Na. returns computed
by exponent manipulation.
SEE ALSO
The functions appeared in
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