otp.Operation.float.cmp#
- cmp(other, eps)#
Compare two double values between themselves according to
eps
relative difference.This function returns 0 if column = other, 1 if column > other, and -1 if column < other. Two numbers are considered to be equal if both of them are NaN or
abs(column - other) / (abs(column) + abs(other)) < eps
. In other words,eps
represents a relative difference (percentage) between the two numbers, not an absolute difference.- Parameters
- Returns
result – 0 if column == other, 1 if column > other, and -1 if column < other.
- Return type
Examples
>>> data = otp.Ticks(X=[1, 2.17, 10.31841, 3.141593, 6], ... OTHER=[1.01, 2.1, 10.32841, 3.14, 5], ... EPS=[0, 1, 0.1, 0.001, 0.001]) >>> data["X"] = data["X"].float.cmp(data["OTHER"], data["EPS"]) >>> data = otp.run(data) >>> data["X"] 0 -1.0 1 0.0 2 0.0 3 0.0 4 1.0 Name: X, dtype: float64
See also