**Name**- Sgn -- return the sign of a value (V2.0)
**Synopsis**-
sign = Sgn(x)

**Function**-
Returns the sign of
`x`

. If`x`

is less than 0, -1 is returned. If`x`

is greater than 0, 1 is returned. If`x`

is equal to 0, 0 is returned. **Inputs**-
*x*- value to examine

**Results**-
*sign*- sign of
`x`

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