System.BuiltInArcTan
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 |
|---|---|---|---|---|---|---|
 |
|