Class NPPNativeMethods.NPPs.NaturalLogarithmSignal

Natural logarithm of each sample of a signal.

Inheritance

System.Object

NPPNativeMethods.NPPs.NaturalLogarithmSignal

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ManagedCuda.NPP

Assembly: NPP.dll

Syntax

public static class NaturalLogarithmSignal

Methods

nppsLn_16s_ISfs(CUdeviceptr, Int32, Int32)

16-bit signed short signal natural logarithm, scale, then clamp to saturated value.

Declaration

public static NppStatus nppsLn_16s_ISfs(CUdeviceptr pSrcDst, int nLength, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Signal Pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_16s_Sfs(CUdeviceptr, CUdeviceptr, Int32, Int32)

16-bit signed short signal natural logarithm, scale, then clamp to saturated value.

Declaration

public static NppStatus nppsLn_16s_Sfs(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_32f(CUdeviceptr, CUdeviceptr, Int32)

32-bit floating point signal natural logarithm.

Declaration

public static NppStatus nppsLn_32f(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_32f_I(CUdeviceptr, Int32)

32-bit floating point signal natural logarithm.

Declaration

public static NppStatus nppsLn_32f_I(CUdeviceptr pSrcDst, int nLength)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Signal Pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_32s_ISfs(CUdeviceptr, Int32, Int32)

32-bit signed integer signal natural logarithm, scale, then clamp to saturated value.

Declaration

public static NppStatus nppsLn_32s_ISfs(CUdeviceptr pSrcDst, int nLength, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Signal Pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_32s_Sfs(CUdeviceptr, CUdeviceptr, Int32, Int32)

32-bit signed integer signal natural logarithm, scale, then clamp to saturated value.

Declaration

public static NppStatus nppsLn_32s_Sfs(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_32s16s_Sfs(CUdeviceptr, CUdeviceptr, Int32, Int32)

32-bit signed integer signal natural logarithm, scale, then clamp to 16-bit signed short saturated value.

Declaration

public static NppStatus nppsLn_32s16s_Sfs(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_64f(CUdeviceptr, CUdeviceptr, Int32)

64-bit floating point signal natural logarithm.

Declaration

public static NppStatus nppsLn_64f(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_64f_I(CUdeviceptr, Int32)

64-bit floating point signal natural logarithm.

Declaration

public static NppStatus nppsLn_64f_I(CUdeviceptr pSrcDst, int nLength)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Signal Pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsLn_64f32f(CUdeviceptr, CUdeviceptr, Int32)

64-bit floating point signal natural logarithm with 32-bit floating point result.

Declaration

public static NppStatus nppsLn_64f32f(CUdeviceptr pSrc, CUdeviceptr pDst, int nLength)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source signal pointer.
CUdeviceptr	pDst	Destination signal pointer.
System.Int32	nLength	Signal length. Tells the primitive how many of the signal’s samples starting from the given data pointer are to be processed..

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.