Standard Deviation

Calculates the standard deviation for the samples of a signal. More...

Functions
NppStatus	nppsStdDevGetBufferSize_32f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsStdDev_32f. More...
NppStatus	nppsStdDevGetBufferSize_32f (int nLength, int *hpBufferSize)
NppStatus	nppsStdDevGetBufferSize_64f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsStdDev_64f. More...
NppStatus	nppsStdDevGetBufferSize_64f (int nLength, int *hpBufferSize)
NppStatus	nppsStdDevGetBufferSize_16s32s_Sfs_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsStdDev_16s32s_Sfs. More...
NppStatus	nppsStdDevGetBufferSize_16s32s_Sfs (int nLength, int *hpBufferSize)
NppStatus	nppsStdDevGetBufferSize_16s_Sfs_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsStdDev_16s_Sfs. More...
NppStatus	nppsStdDevGetBufferSize_16s_Sfs (int nLength, int *hpBufferSize)
NppStatus	nppsStdDev_32f_Ctx (const Npp32f *pSrc, int nLength, Npp32f *pStdDev, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	32-bit float vector standard deviation method More...
NppStatus	nppsStdDev_32f (const Npp32f *pSrc, int nLength, Npp32f *pStdDev, Npp8u *pDeviceBuffer)
NppStatus	nppsStdDev_64f_Ctx (const Npp64f *pSrc, int nLength, Npp64f *pStdDev, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	64-bit float vector standard deviation method More...
NppStatus	nppsStdDev_64f (const Npp64f *pSrc, int nLength, Npp64f *pStdDev, Npp8u *pDeviceBuffer)
NppStatus	nppsStdDev_16s32s_Sfs_Ctx (const Npp16s *pSrc, int nLength, Npp32s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	16-bit float vector standard deviation method (return value is 32-bit) More...
NppStatus	nppsStdDev_16s32s_Sfs (const Npp16s *pSrc, int nLength, Npp32s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer)
NppStatus	nppsStdDev_16s_Sfs_Ctx (const Npp16s *pSrc, int nLength, Npp16s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	16-bit float vector standard deviation method (return value is also 16-bit) More...
NppStatus	nppsStdDev_16s_Sfs (const Npp16s *pSrc, int nLength, Npp16s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer)

Detailed Description

Calculates the standard deviation for the samples of a signal.

Function Documentation

NppStatus nppsStdDev_16s32s_Sfs	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsStdDev_16s32s_Sfs_Ctx	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

16-bit float vector standard deviation method (return value is 32-bit)

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pStdDev	Pointer to the output result.
nScaleFactor	Integer Result Scaling.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsStdDevGetBufferSize_16s32s_Sfs to determine the minium number of bytes required.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsStdDev_16s_Sfs	(	const Npp16s *	pSrc,
		int	nLength,
		Npp16s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsStdDev_16s_Sfs_Ctx	(	const Npp16s *	pSrc,
		int	nLength,
		Npp16s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

16-bit float vector standard deviation method (return value is also 16-bit)

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pStdDev	Pointer to the output result.
nScaleFactor	Integer Result Scaling.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsStdDevGetBufferSize_16s_Sfs to determine the minium number of bytes required.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsStdDev_32f	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pStdDev,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsStdDev_32f_Ctx	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pStdDev,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

32-bit float vector standard deviation method

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pStdDev	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsStdDevGetBufferSize_32f to determine the minium number of bytes required.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsStdDev_64f	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pStdDev,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsStdDev_64f_Ctx	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pStdDev,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

64-bit float vector standard deviation method

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pStdDev	Pointer to the output result.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsStdDevGetBufferSize_64f to determine the minium number of bytes required.
nppStreamCtx	Application Managed Stream Context.

Returns

Signal Data Related Error Codes, Length Related Error Codes.

NppStatus nppsStdDevGetBufferSize_16s32s_Sfs	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsStdDevGetBufferSize_16s32s_Sfs_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsStdDev_16s32s_Sfs.

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 nppsStdDevGetBufferSize_16s_Sfs	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsStdDevGetBufferSize_16s_Sfs_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsStdDev_16s_Sfs.

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 nppsStdDevGetBufferSize_32f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsStdDevGetBufferSize_32f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsStdDev_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 nppsStdDevGetBufferSize_64f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsStdDevGetBufferSize_64f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsStdDev_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