sign

relationalai.semantics.std.math

sign(x: NumberValue) -> Expression

Compute the sign of a number.

Parameters

• x

  (NumberValue) - The input value.

Returns

• Expression - An Expression computing -1 for negative, 0 for zero, 1 for positive. Returns Integer.

Examples

Get sign of values:

>>> select(math.sign(Account.balance))
>>> select(math.sign(Temperature.deviation))