clVector.ArcTan Method

Overload List

#SignatureDescription
1function ArcTan: TOpenCLMtxVec;Inverse tangens.
└ indexed: function ArcTan(Index: Integer; Len: Integer): TOpenCLMtxVec;
2function ArcTan(const X: TOpenCLMtxVec): TOpenCLMtxVec;Calculate the inverse tangens of all X object elements.
└ indexed: function ArcTan(const X: TOpenCLMtxVec; XIndex: Integer; Index: Integer; Len: Integer): TOpenCLMtxVec;

Overload 1: function ArcTan: TOpenCLMtxVec;

Inverse tangens.

Result: stored in self (calling object), returns self for chaining

Remarks:

Calculate the inverse tangens for all calling object elements in-place. The return values are expressed in radians.

Examples
var A,B: clVector;
begin
    A.CopyCplxFromArray(TSingleArray.Create(1,0, 2,0, 2,0  4,1));
    B.ArcTan(A);
end;
See Also: clVector.Tan, clVector.ArcCot, clVector.ArcTan2

Indexed: function ArcTan(Index: Integer; Len: Integer): TOpenCLMtxVec;

Calculate the inverse tangens of calling object elements [Index]...[Index+Len-1] in-place.

#NameTypeDescription
1IndexIntegerstart index
2LenIntegerelement count

Result: stored in self (calling object), returns self for chaining

Remarks:

An exception is raised if array borders are overrun.

Overload 2: function ArcTan(const X: TOpenCLMtxVec): TOpenCLMtxVec;

Calculate the inverse tangens of all X object elements.

#NameTypeDescription
1XTOpenCLMtxVec

Result: stored in self (calling object), returns self for chaining

Remarks:

Store the results in the calling object. Size and clVector.Complex properties of calling object are adjusted automatically.

Indexed: function ArcTan(const X: TOpenCLMtxVec; XIndex: Integer; Index: Integer; Len: Integer): TOpenCLMtxVec;

Calculate the inverse tangens of X object elements [XIndex]...[XIndex+Len-1].

#NameTypeDescription
1XTOpenCLMtxVec
2XIndexIntegerX start index
3IndexIntegerstart index
4LenIntegerelement count

Result: stored in self (calling object), returns self for chaining

Remarks:

The results are stored in calling object elements [Index]...[Index+Len-1]. Size and clVector.Complex properties of the calling object must be set explicitly. An exception is raised if array borders are overrun.