sign

Syntax: sign(value)

Description: Returns the sign of value.

Group: general

Note: The sign of a complex number is calculated as sign(x) = x./abs(x)

Example:

sign(-10)  = -1sign(10)   = 1sign(3+2i) = 0.832 + 0.555i

Also see: abs

Implemented in: LambdaSIGN.java