log1p (Function)

Signature: log1p(x: float) -> float

Description: Computes ln(1 + x) without first rounding 1 + x, preserving small inputs. x = -1 yields negative infinity; x < -1 yields NaN.

Parameters

  • x (float): The value added to 1 before the logarithm

Returns: float

Example

print(log1p(0.1))  // 0.09531017980432487
print (log1p 0.1)  // 0.09531017980432487