otp.math.sign

sign(value)

Compute the sign of the value.

Parameters

value (int, float, Operation, Column) –

Return type

Operation

Examples

>>> data = otp.Tick(A=1)
>>> data['SIGN_POS'] = otp.math.sign(123)
>>> data['SIGN_ZERO'] = otp.math.sign(0)
>>> data['SIGN_NEG'] = otp.math.sign(-123)
>>> otp.run(data)
        Time  A  SIGN_POS  SIGN_ZERO  SIGN_NEG
0 2003-12-01  1         1          0        -1