SumLn

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

Functions
NppStatus	nppsSumLnGetBufferSize_32f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for 32f SumLn. More...
NppStatus	nppsSumLnGetBufferSize_32f (int nLength, int *hpBufferSize)
NppStatus	nppsSumLn_32f_Ctx (const Npp32f *pSrc, int nLength, Npp32f *pDst, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	32-bit floating point signal sum natural logarithm. More...
NppStatus	nppsSumLn_32f (const Npp32f *pSrc, int nLength, Npp32f *pDst, Npp8u *pDeviceBuffer)
NppStatus	nppsSumLnGetBufferSize_64f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for 64f SumLn. More...
NppStatus	nppsSumLnGetBufferSize_64f (int nLength, int *hpBufferSize)
NppStatus	nppsSumLn_64f_Ctx (const Npp64f *pSrc, int nLength, Npp64f *pDst, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	64-bit floating point signal sum natural logarithm. More...
NppStatus	nppsSumLn_64f (const Npp64f *pSrc, int nLength, Npp64f *pDst, Npp8u *pDeviceBuffer)
NppStatus	nppsSumLnGetBufferSize_32f64f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for 32f64f SumLn. More...
NppStatus	nppsSumLnGetBufferSize_32f64f (int nLength, int *hpBufferSize)
NppStatus	nppsSumLn_32f64f_Ctx (const Npp32f *pSrc, int nLength, Npp64f *pDst, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	32-bit flaoting point input, 64-bit floating point output signal sum natural logarithm. More...
NppStatus	nppsSumLn_32f64f (const Npp32f *pSrc, int nLength, Npp64f *pDst, Npp8u *pDeviceBuffer)
NppStatus	nppsSumLnGetBufferSize_16s32f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for 16s32f SumLn. More...
NppStatus	nppsSumLnGetBufferSize_16s32f (int nLength, int *hpBufferSize)
NppStatus	nppsSumLn_16s32f_Ctx (const Npp16s *pSrc, int nLength, Npp32f *pDst, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	16-bit signed short integer input, 32-bit floating point output signal sum natural logarithm. More...
NppStatus	nppsSumLn_16s32f (const Npp16s *pSrc, int nLength, Npp32f *pDst, Npp8u *pDeviceBuffer)

Detailed Description

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

Function Documentation

NppStatus nppsSumLn_16s32f	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32f *	pDst,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsSumLn_16s32f_Ctx	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32f *	pDst,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

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

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pDst	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsSumLn_32f	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pDst,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsSumLn_32f64f	(	const Npp32f *	pSrc,
		int	nLength,
		Npp64f *	pDst,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsSumLn_32f64f_Ctx	(	const Npp32f *	pSrc,
		int	nLength,
		Npp64f *	pDst,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

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

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pDst	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsSumLn_32f_Ctx	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pDst,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

32-bit floating point signal sum natural logarithm.

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pDst	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsSumLn_64f	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pDst,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsSumLn_64f_Ctx	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pDst,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

64-bit floating point signal sum natural logarithm.

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pDst	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsSumLnGetBufferSize_16s32f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsSumLnGetBufferSize_16s32f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for 16s32f SumLn.

This primitive provides the correct buffer size for nppsSumLn_16s32f.

Parameters

nLength	Signal Length.
hpBufferSize	Required buffer size. Important: hpBufferSize is a host pointer. Scratch Buffer and Host Pointer.
nppStreamCtx	Application Managed Stream Context.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_32f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsSumLnGetBufferSize_32f64f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsSumLnGetBufferSize_32f64f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for 32f64f SumLn.

This primitive provides the correct buffer size for nppsSumLn_32f64f.

Parameters

nLength	Signal Length.
hpBufferSize	Required buffer size. Important: hpBufferSize is a host pointer. Scratch Buffer and Host Pointer.
nppStreamCtx	Application Managed Stream Context.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_32f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for 32f SumLn.

This primitive provides the correct buffer size for nppsSumLn_32f.

Parameters

nLength	Signal Length.
hpBufferSize	Required buffer size. Important: hpBufferSize is a host pointer. Scratch Buffer and Host Pointer.
nppStreamCtx	Application Managed Stream Context.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_64f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsSumLnGetBufferSize_64f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for 64f SumLn.

This primitive provides the correct buffer size for nppsSumLn_64f.

Parameters

nLength	Signal Length.
hpBufferSize	Required buffer size. Important: hpBufferSize is a host pointer. Scratch Buffer and Host Pointer.
nppStreamCtx	Application Managed Stream Context.

Returns

NPP_SUCCESS