Class NPPNativeMethods.NPPs.SumLn

Sums up the natural logarithm of each sample of a signal.

Inheritance

System.Object

NPPNativeMethods.NPPs.SumLn

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 SumLn

Methods

nppsSumLn_16s32f(CUdeviceptr, Int32, CUdeviceptr, CUdeviceptr)

16-bit signed short integer input, 32-bit floating point output signal sum natural logarithm.

Declaration

public static NppStatus nppsSumLn_16s32f(CUdeviceptr pSrc, int nLength, CUdeviceptr pDst, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source 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..
CUdeviceptr	pDst	Pointer to the output result.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsSumLn_32f(CUdeviceptr, Int32, CUdeviceptr, CUdeviceptr)

32-bit floating point signal sum natural logarithm.

Declaration

public static NppStatus nppsSumLn_32f(CUdeviceptr pSrc, int nLength, CUdeviceptr pDst, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source 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..
CUdeviceptr	pDst	Pointer to the output result.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsSumLn_32f64f(CUdeviceptr, Int32, CUdeviceptr, CUdeviceptr)

32-bit flaoting point input, 64-bit floating point output signal sum natural logarithm.

Declaration

public static NppStatus nppsSumLn_32f64f(CUdeviceptr pSrc, int nLength, CUdeviceptr pDst, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source 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..
CUdeviceptr	pDst	Pointer to the output result.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsSumLn_64f(CUdeviceptr, Int32, CUdeviceptr, CUdeviceptr)

64-bit floating point signal sum natural logarithm.

Declaration

public static NppStatus nppsSumLn_64f(CUdeviceptr pSrc, int nLength, CUdeviceptr pDst, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc	Source 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..
CUdeviceptr	pDst	Pointer to the output result.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation.

Returns

Type	Description
NppStatus	NullPointerError, AlignmentError, SizeError.

nppsSumLnGetBufferSize_16s32f(Int32, ref Int32)

Device scratch buffer size (in bytes) for 16s32f SumLn. This primitive provides the correct buffer size for nppsSumLn_16s32f.

Declaration

public static NppStatus nppsSumLnGetBufferSize_16s32f(int nLength, ref int hpBufferSize)

Parameters

Type	Name	Description
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	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus	NPP_SUCCESS

nppsSumLnGetBufferSize_32f(Int32, ref Int32)

Device scratch buffer size (in bytes) for 32f SumLn. This primitive provides the correct buffer size for nppsSumLn_32f.

Declaration

public static NppStatus nppsSumLnGetBufferSize_32f(int nLength, ref int hpBufferSize)

Parameters

Type	Name	Description
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	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus	NPP_SUCCESS

nppsSumLnGetBufferSize_32f64f(Int32, ref Int32)

Device scratch buffer size (in bytes) for 32f64f SumLn. This primitive provides the correct buffer size for nppsSumLn_32f64f.

Declaration

public static NppStatus nppsSumLnGetBufferSize_32f64f(int nLength, ref int hpBufferSize)

Parameters

Type	Name	Description
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	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus	NPP_SUCCESS

nppsSumLnGetBufferSize_64f(Int32, ref Int32)

Device scratch buffer size (in bytes) for 64f SumLn. This primitive provides the correct buffer size for nppsSumLn_64f.

Declaration

public static NppStatus nppsSumLnGetBufferSize_64f(int nLength, ref int hpBufferSize)

Parameters

Type	Name	Description
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	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus	NPP_SUCCESS