Class NPPNativeMethods.NPPi.Ln

Pixel by pixel natural logarithm of each pixel in an image.

Inheritance

System.Object

NPPNativeMethods.NPPi.Ln

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 Ln

Methods

nppiLn_16s_C1IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

One 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16s_C1IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16s_C1RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

One 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16s_C1RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16s_C3IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

Three 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16s_C3IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16s_C3RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

Three 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16s_C3RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16u_C1IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

One 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16u_C1IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16u_C1RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

One 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16u_C1RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16u_C3IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

Three 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16u_C3IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_16u_C3RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

Three 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_16u_C3RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_32f_C1IR(CUdeviceptr, Int32, NppiSize)

One 32-bit floating point channel in place image natural logarithm.

Declaration

public static NppStatus nppiLn_32f_C1IR(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_32f_C1R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize)

One 32-bit floating point channel image natural logarithm.

Declaration

public static NppStatus nppiLn_32f_C1R(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_32f_C3IR(CUdeviceptr, Int32, NppiSize)

Three 32-bit floating point channel in place image natural logarithm.

Declaration

public static NppStatus nppiLn_32f_C3IR(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_32f_C3R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize)

Three 32-bit floating point channel image natural logarithm.

Declaration

public static NppStatus nppiLn_32f_C3R(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_8u_C1IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

One 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_8u_C1IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_8u_C1RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

One 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_8u_C1RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_8u_C3IRSfs(CUdeviceptr, Int32, NppiSize, Int32)

Three 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_8u_C3IRSfs(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiLn_8u_C3RSfs(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, Int32)

Three 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Declaration

public static NppStatus nppiLn_8u_C3RSfs(CUdeviceptr pSrc, int nSrcStep, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source-Image Pointer.
System.Int32	nSrcStep	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	nScaleFactor	Integer Result Scaling.

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError