Mean And Standard Deviation

Performs the mean and calculates the standard deviation for the samples of a signal. More...

Functions
NppStatus	nppsMeanStdDevGetBufferSize_32f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsMeanStdDev_32f. More...
NppStatus	nppsMeanStdDevGetBufferSize_32f (int nLength, int *hpBufferSize)
NppStatus	nppsMeanStdDevGetBufferSize_64f_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsMeanStdDev_64f. More...
NppStatus	nppsMeanStdDevGetBufferSize_64f (int nLength, int *hpBufferSize)
NppStatus	nppsMeanStdDevGetBufferSize_16s32s_Sfs_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsMeanStdDev_16s32s_Sfs. More...
NppStatus	nppsMeanStdDevGetBufferSize_16s32s_Sfs (int nLength, int *hpBufferSize)
NppStatus	nppsMeanStdDevGetBufferSize_16s_Sfs_Ctx (int nLength, int *hpBufferSize, NppStreamContext nppStreamCtx)
	Device scratch buffer size (in bytes) for nppsMeanStdDev_16s_Sfs. More...
NppStatus	nppsMeanStdDevGetBufferSize_16s_Sfs (int nLength, int *hpBufferSize)
NppStatus	nppsMeanStdDev_32f_Ctx (const Npp32f *pSrc, int nLength, Npp32f *pMean, Npp32f *pStdDev, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	32-bit float vector mean and standard deviation method More...
NppStatus	nppsMeanStdDev_32f (const Npp32f *pSrc, int nLength, Npp32f *pMean, Npp32f *pStdDev, Npp8u *pDeviceBuffer)
NppStatus	nppsMeanStdDev_64f_Ctx (const Npp64f *pSrc, int nLength, Npp64f *pMean, Npp64f *pStdDev, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	64-bit float vector mean and standard deviation method More...
NppStatus	nppsMeanStdDev_64f (const Npp64f *pSrc, int nLength, Npp64f *pMean, Npp64f *pStdDev, Npp8u *pDeviceBuffer)
NppStatus	nppsMeanStdDev_16s32s_Sfs_Ctx (const Npp16s *pSrc, int nLength, Npp32s *pMean, Npp32s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	16-bit float vector mean and standard deviation method (return values are 32-bit) More...
NppStatus	nppsMeanStdDev_16s32s_Sfs (const Npp16s *pSrc, int nLength, Npp32s *pMean, Npp32s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer)
NppStatus	nppsMeanStdDev_16s_Sfs_Ctx (const Npp16s *pSrc, int nLength, Npp16s *pMean, Npp16s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer, NppStreamContext nppStreamCtx)
	16-bit float vector mean and standard deviation method (return values are also 16-bit) More...
NppStatus	nppsMeanStdDev_16s_Sfs (const Npp16s *pSrc, int nLength, Npp16s *pMean, Npp16s *pStdDev, int nScaleFactor, Npp8u *pDeviceBuffer)

Detailed Description

Performs the mean and calculates the standard deviation for the samples of a signal.

Function Documentation

NppStatus nppsMeanStdDev_16s32s_Sfs	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32s *	pMean,
		Npp32s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsMeanStdDev_16s32s_Sfs_Ctx	(	const Npp16s *	pSrc,
		int	nLength,
		Npp32s *	pMean,
		Npp32s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

16-bit float vector mean and standard deviation method (return values are 32-bit)

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pMean	Pointer to the output mean value.
pStdDev	Pointer to the output standard deviation value.
nScaleFactor	Integer Result Scaling.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsMeanStdDevGetBufferSize_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 nppsMeanStdDev_16s_Sfs	(	const Npp16s *	pSrc,
		int	nLength,
		Npp16s *	pMean,
		Npp16s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsMeanStdDev_16s_Sfs_Ctx	(	const Npp16s *	pSrc,
		int	nLength,
		Npp16s *	pMean,
		Npp16s *	pStdDev,
		int	nScaleFactor,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

16-bit float vector mean and standard deviation method (return values are also 16-bit)

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pMean	Pointer to the output mean value.
pStdDev	Pointer to the output standard deviation value.
nScaleFactor	Integer Result Scaling.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsMeanStdDevGetBufferSize_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 nppsMeanStdDev_32f	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pMean,
		Npp32f *	pStdDev,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsMeanStdDev_32f_Ctx	(	const Npp32f *	pSrc,
		int	nLength,
		Npp32f *	pMean,
		Npp32f *	pStdDev,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

32-bit float vector mean and standard deviation method

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pMean	Pointer to the output mean value.
pStdDev	Pointer to the output standard deviation value.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsMeanStdDevGetBufferSize_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 nppsMeanStdDev_64f	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pMean,
		Npp64f *	pStdDev,
		Npp8u *	pDeviceBuffer
	)

NppStatus nppsMeanStdDev_64f_Ctx	(	const Npp64f *	pSrc,
		int	nLength,
		Npp64f *	pMean,
		Npp64f *	pStdDev,
		Npp8u *	pDeviceBuffer,
		NppStreamContext	nppStreamCtx
	)

64-bit float vector mean and standard deviation method

Parameters

pSrc	Source Signal Pointer.
nLength	Signal Length.
pMean	Pointer to the output mean value.
pStdDev	Pointer to the output standard deviation value.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer. Use nppsMeanStdDevGetBufferSize_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 nppsMeanStdDevGetBufferSize_16s32s_Sfs	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsMeanStdDevGetBufferSize_16s32s_Sfs_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsMeanStdDev_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 nppsMeanStdDevGetBufferSize_16s_Sfs	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsMeanStdDevGetBufferSize_16s_Sfs_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsMeanStdDev_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 nppsMeanStdDevGetBufferSize_32f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsMeanStdDevGetBufferSize_32f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsMeanStdDev_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 nppsMeanStdDevGetBufferSize_64f	(	int	nLength,
		int *	hpBufferSize
	)

NppStatus nppsMeanStdDevGetBufferSize_64f_Ctx	(	int	nLength,
		int *	hpBufferSize,
		NppStreamContext	nppStreamCtx
	)

Device scratch buffer size (in bytes) for nppsMeanStdDev_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