System.Math.LnXP1
Delphi
function LnXP1(const X: Single): Single;
function LnXP1(const X: Double): Double;
function LnXP1(const X: Extended): Extended;
C++
extern DELPHI_PACKAGE float __fastcall LnXP1(const float X)/* overload */;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | System.Math.pas System.Math.hpp |
System.Math | System.Math |
Description
Returns the natural log of (X+1)
LnXP1 returns the natural logarithm of (X+1). Use LnXP1 when X is a value near 0.