interval-1- ( i1 -- i2 )
Factor handbook » The language » Numbers » Intervals » Interval arithmetic

Prev:	interval-1+ ( i1 -- i2 )
Next:	interval-neg ( i1 -- i2 )

Vocabulary
math.intervals

Inputs

i1	an interval

Outputs

i2	an interval

Word description
Subtracts 1 from an interval.

Examples

USING: math.intervals prettyprint ; 10 11 [a,b] interval-1- .
T{ interval { from { 9 t } } { to { 10 t } } }

Definition

IN: math.intervals

: interval-1- ( i1 -- i2 ) -1 [a,a] interval+ ;