interval-recip ( i1 -- i2 )
Factor handbook » The language » Numbers » Intervals » Interval arithmetic
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Vocabulary
math.intervals

Inputs
i1an interval


Outputs
i2an interval


Word description
Outputs the reciprocal of an interval. Outputs f if i1 contains points arbitrarily close to zero.

Definition
USING: kernel ;

IN: math.intervals

: interval-recip ( i1 -- i2 ) 1 [a,a] swap interval/ ;