MaxAbs

Returns the maximum absolute value of a vector.

Syntax

IppStatus ippsMaxAbs_16s(const Ipp16s* pSrc, int len, Ipp16s* pMaxAbs);

IppStatus ippsMaxAbs_32s(const Ipp32s* pSrc, int len, Ipp32s* pMaxAbs);

Parameters

pSrc	Pointer to the source vector.
pMaxAbs	Pointer to the output result.
len	Number of elements in the vector.

Description

The function ippsMaxAbs is declared in the ipps.h file. This function returns the maximum absolute value of the input vector pSrc, and stores the result in pMaxAbs.

The example below shows how to use the function ippsMaxAbs_16s.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error when the pMaxAbs or pSrc pointer is NULL.
ippStsSizeErr	Indicates an error when len is less than or equal to 0.

Using the Function ippsMaxAbs

Ipp16s src[5] = { 2, -8, -3, -1, 7 };

Ipp16s maxAbs;

ippsMaxAbs_16s ( src, 5, &maxAbs );

Result

maxAbs = 8