System.BuiltInArcTan

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Delphi

function BuiltInArcTan(X: Real): Extended; overload;
function BuiltInArcTan(X: Real): Double; overload;
function BuiltInArcTan(X: Real): Single; overload;

Properties

Type Visibility Source Unit Parent
function public System.pas System System

Description

Calculates the arctangent of a given number.

BuiltInArcTan returns the arctangent of X.

X is a real-type expression that gives an angle in radians.

Compiler Support

The following table shows which Delphi compilers support this function:

DCC32 DCC64 DCCOSX DCCAARM DCCIOSARM DCCIOSARM64 DCCIOS32
YesC++11Feature.png
YesC++11Feature.png

See Also