# Rebol Programming/sign?

# USAGE:Edit

SIGN? number

# DESCRIPTION:Edit

Returns sign of number as 1, 0, or -1 (to use as multiplier).

SIGN? is a function value.

# ARGUMENTSEdit

**number**-- (Type: number money time)

# SOURCE CODEEdit

sign?: func [ {Returns sign of number as 1, 0, or -1 (to use as multiplier).} number [number! money! time!] ][ either positive? number [1] [either negative? number [-1] [0]] ]