Function sign 

pub fn sign(x: &Variant) -> Variant

Returns the same type of Variant as x, with -1 for negative values, 1 for positive values, and 0 for zeros. For nan values it returns 0.

Supported types: int, float, Vector2, Vector2i, Vector3, Vector3i, Vector4, Vector4i.

sign(-6.0) # Returns -1
sign(0.0)  # Returns 0
sign(6.0)  # Returns 1
sign(NAN)  # Returns 0

sign(Vector3(-6.0, 0.0, 6.0)) # Returns (-1, 0, 1)

Note: For better type safety, use [method signf], [method signi], sign, sign, sign, sign, sign, or sign.