System.Math.ArcTanh
Delphi
function ArcTanh(const X: Single): Single;
function ArcTanh(const X: Double): Double;
function ArcTanh(const X: Extended): Extended;
C++
extern DELPHI_PACKAGE float __fastcall ArcTanh(const float X)/* overload */;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | System.Math.pas System.Math.hpp |
System.Math | System.Math |
Description
Calculates the inverse hyperbolic tangent of a given number.
ArcTanh returns the inverse hyperbolic tangent of X. The value of X must be between -1 and 1 (inclusive).