NVIDIA 2D Image And Signal Performance Primitives (NPP)
Version 11.8..*
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Natural logarithm of each sample of a signal. More...
Functions | |
NppStatus | nppsLn_32f_Ctx (const Npp32f *pSrc, Npp32f *pDst, int nLength, NppStreamContext nppStreamCtx) |
32-bit floating point signal natural logarithm. More... |
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NppStatus | nppsLn_32f (const Npp32f *pSrc, Npp32f *pDst, int nLength) |
NppStatus | nppsLn_64f_Ctx (const Npp64f *pSrc, Npp64f *pDst, int nLength, NppStreamContext nppStreamCtx) |
64-bit floating point signal natural logarithm. More... |
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NppStatus | nppsLn_64f (const Npp64f *pSrc, Npp64f *pDst, int nLength) |
NppStatus | nppsLn_64f32f_Ctx (const Npp64f *pSrc, Npp32f *pDst, int nLength, NppStreamContext nppStreamCtx) |
64-bit floating point signal natural logarithm with 32-bit floating point result. More... |
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NppStatus | nppsLn_64f32f (const Npp64f *pSrc, Npp32f *pDst, int nLength) |
NppStatus | nppsLn_32f_I_Ctx (Npp32f *pSrcDst, int nLength, NppStreamContext nppStreamCtx) |
32-bit floating point signal natural logarithm. More... |
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NppStatus | nppsLn_32f_I (Npp32f *pSrcDst, int nLength) |
NppStatus | nppsLn_64f_I_Ctx (Npp64f *pSrcDst, int nLength, NppStreamContext nppStreamCtx) |
64-bit floating point signal natural logarithm. More... |
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NppStatus | nppsLn_64f_I (Npp64f *pSrcDst, int nLength) |
NppStatus | nppsLn_16s_Sfs_Ctx (const Npp16s *pSrc, Npp16s *pDst, int nLength, int nScaleFactor, NppStreamContext nppStreamCtx) |
16-bit signed short signal natural logarithm, scale, then clamp to saturated value. More... |
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NppStatus | nppsLn_16s_Sfs (const Npp16s *pSrc, Npp16s *pDst, int nLength, int nScaleFactor) |
NppStatus | nppsLn_32s_Sfs_Ctx (const Npp32s *pSrc, Npp32s *pDst, int nLength, int nScaleFactor, NppStreamContext nppStreamCtx) |
32-bit signed integer signal natural logarithm, scale, then clamp to saturated value. More... |
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NppStatus | nppsLn_32s_Sfs (const Npp32s *pSrc, Npp32s *pDst, int nLength, int nScaleFactor) |
NppStatus | nppsLn_32s16s_Sfs_Ctx (const Npp32s *pSrc, Npp16s *pDst, int nLength, int nScaleFactor, NppStreamContext nppStreamCtx) |
32-bit signed integer signal natural logarithm, scale, then clamp to 16-bit signed short saturated value. More... |
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NppStatus | nppsLn_32s16s_Sfs (const Npp32s *pSrc, Npp16s *pDst, int nLength, int nScaleFactor) |
NppStatus | nppsLn_16s_ISfs_Ctx (Npp16s *pSrcDst, int nLength, int nScaleFactor, NppStreamContext nppStreamCtx) |
16-bit signed short signal natural logarithm, scale, then clamp to saturated value. More... |
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NppStatus | nppsLn_16s_ISfs (Npp16s *pSrcDst, int nLength, int nScaleFactor) |
NppStatus | nppsLn_32s_ISfs_Ctx (Npp32s *pSrcDst, int nLength, int nScaleFactor, NppStreamContext nppStreamCtx) |
32-bit signed integer signal natural logarithm, scale, then clamp to saturated value. More... |
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NppStatus | nppsLn_32s_ISfs (Npp32s *pSrcDst, int nLength, int nScaleFactor) |
Natural logarithm of each sample of a signal.
NppStatus nppsLn_16s_ISfs_Ctx | ( | Npp16s * | pSrcDst, |
int | nLength, | ||
int | nScaleFactor, | ||
NppStreamContext | nppStreamCtx | ||
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16-bit signed short signal natural logarithm, scale, then clamp to saturated value.
pSrcDst | In-Place Signal Pointer. |
nLength | Signal Length. |
nScaleFactor | Integer Result Scaling. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_16s_Sfs_Ctx | ( | const Npp16s * | pSrc, |
Npp16s * | pDst, | ||
int | nLength, | ||
int | nScaleFactor, | ||
NppStreamContext | nppStreamCtx | ||
) |
16-bit signed short signal natural logarithm, scale, then clamp to saturated value.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nScaleFactor | Integer Result Scaling. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_32f_Ctx | ( | const Npp32f * | pSrc, |
Npp32f * | pDst, | ||
int | nLength, | ||
NppStreamContext | nppStreamCtx | ||
) |
32-bit floating point signal natural logarithm.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_32f_I_Ctx | ( | Npp32f * | pSrcDst, |
int | nLength, | ||
NppStreamContext | nppStreamCtx | ||
) |
32-bit floating point signal natural logarithm.
pSrcDst | In-Place Signal Pointer. |
nLength | Signal Length. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_32s16s_Sfs_Ctx | ( | const Npp32s * | pSrc, |
Npp16s * | pDst, | ||
int | nLength, | ||
int | nScaleFactor, | ||
NppStreamContext | nppStreamCtx | ||
) |
32-bit signed integer signal natural logarithm, scale, then clamp to 16-bit signed short saturated value.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nScaleFactor | Integer Result Scaling. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_32s_ISfs_Ctx | ( | Npp32s * | pSrcDst, |
int | nLength, | ||
int | nScaleFactor, | ||
NppStreamContext | nppStreamCtx | ||
) |
32-bit signed integer signal natural logarithm, scale, then clamp to saturated value.
pSrcDst | In-Place Signal Pointer. |
nLength | Signal Length. |
nScaleFactor | Integer Result Scaling. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_32s_Sfs_Ctx | ( | const Npp32s * | pSrc, |
Npp32s * | pDst, | ||
int | nLength, | ||
int | nScaleFactor, | ||
NppStreamContext | nppStreamCtx | ||
) |
32-bit signed integer signal natural logarithm, scale, then clamp to saturated value.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nScaleFactor | Integer Result Scaling. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_64f32f_Ctx | ( | const Npp64f * | pSrc, |
Npp32f * | pDst, | ||
int | nLength, | ||
NppStreamContext | nppStreamCtx | ||
) |
64-bit floating point signal natural logarithm with 32-bit floating point result.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_64f_Ctx | ( | const Npp64f * | pSrc, |
Npp64f * | pDst, | ||
int | nLength, | ||
NppStreamContext | nppStreamCtx | ||
) |
64-bit floating point signal natural logarithm.
pSrc | Source Signal Pointer. |
pDst | Destination Signal Pointer. |
nLength | Signal Length. |
nppStreamCtx | Application Managed Stream Context. |
NppStatus nppsLn_64f_I_Ctx | ( | Npp64f * | pSrcDst, |
int | nLength, | ||
NppStreamContext | nppStreamCtx | ||
) |
64-bit floating point signal natural logarithm.
pSrcDst | In-Place Signal Pointer. |
nLength | Signal Length. |
nppStreamCtx | Application Managed Stream Context. |