SumLn

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

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

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
	)

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.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

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

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.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

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

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.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

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

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.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsSumLnGetBufferSize_16s32f	(	int	nLength,
		int *	hpBufferSize
	)

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.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_32f	(	int	nLength,
		int *	hpBufferSize
	)

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.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_32f64f	(	int	nLength,
		int *	hpBufferSize
	)

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.

Returns

NPP_SUCCESS

NppStatus nppsSumLnGetBufferSize_64f	(	int	nLength,
		int *	hpBufferSize
	)

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.

Returns

NPP_SUCCESS