Elementary.LogOnePlusExp Method

public static double LogOnePlusExp(
	double x
)

Public Shared Function LogOnePlusExp ( 
	x As Double
) As Double

public:
static double LogOnePlusExp(
	double x
)

static member LogOnePlusExp : 
        x : float -> float 

Parameters

x  Double

A real number.

Return Value

This method evaluates log(1 + exp(x)) using a numerically stable form that avoids overflow for large positive values of x and avoids loss of precision for large negative values.

Reference