sign(Decimal) - Amazon IoT Analytics
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sign(Decimal)

Returns the sign of the given number. When the sign of the argument is positive, 1 is returned. When the sign of the argument is negative, -1 is returned. If the argument is 0, 0 is returned.

Examples:

sign(-7) = -1

sign(0) = 0

sign(13) = 1

Argument type Result

Int

Int, the sign of the Int value.

Decimal

Int, the sign of the Decimal value.

String

Int, the sign of the Decimal value. The string if converted to a Decimal value, and the sign of the Decimal value is returned. If the String cannot be converted to a Decimal, the result is Undefined.

Other Value

Undefined.