Dinfio Documentation — Function Reference: sign()

Module math → sign()

Description

Get sign of a number

sign(x)

Parameters

x (number) — A value

Return Value

number — Returns 1 if x > 0, returns -1 if x < 0, and returns 0 if x = 0

Usage Example

sign(-20)   ' Returns -1
sign(20)    ' Returns 1
sign(0)     ' Return 0