System.Math.Log2
Delphi
function Log2(const X: Single): Single;
function Log2(const X: Double): Double;
function Log2(const X: Extended): Extended;
C++
extern DELPHI_PACKAGE float __fastcall Log2(const float X)/* overload */;
Propriétés
Type | Visibilité | Source | Unité | Parent |
---|---|---|---|---|
function | public | System.Math.pas System.Math.hpp |
System.Math | System.Math |
Description
Calcule le logarithme en base 2.
Log2 renvoie le logarithme en base 2 de X.