Vocabulary
math.statistics

Inputs and outputs

seq	a sequence
x	a non-negative real number

Word description
Computes the difference of the maximum and minimum values in seq.

Examples

USING: math.statistics prettyprint ; { 1 2 3 } range .
2

USING: math.statistics prettyprint ; { 1 2 3 4 } range .
3

Definition

USING: kernel math ;

IN: math.statistics

: range ( seq -- x ) minmax swap - ;