Sqr

Square

Supported Technologies

MT, SSE2, Family10h

Synopsis

FwStatus   fwsSqr_32f ( const Fw32f * pSrc, Fw32f * pDst, int len );
FwStatus   fwsSqr_64f ( const Fw64f * pSrc, Fw64f * pDst, int len );
FwStatus   fwsSqr_32fc ( const Fw32fc * pSrc, Fw32fc * pDst, int len );
FwStatus   fwsSqr_64fc ( const Fw64fc * pSrc, Fw64fc * pDst, int len );
FwStatus   fwsSqr_32f_I ( Fw32f * pSrcDst, int len );
FwStatus   fwsSqr_64f_I ( Fw64f * pSrcDst, int len );
FwStatus   fwsSqr_32fc_I ( Fw32fc * pSrcDst, int len );
FwStatus   fwsSqr_64fc_I ( Fw64fc * pSrcDst, int len );
FwStatus   fwsSqr_8u_Sfs ( const Fw8u * pSrc, Fw8u * pDst, int len, int scaleFactor );
FwStatus   fwsSqr_16s_Sfs ( const Fw16s * pSrc, Fw16s * pDst, int len, int scaleFactor );
FwStatus   fwsSqr_16u_Sfs ( const Fw16u * pSrc, Fw16u * pDst, int len, int scaleFactor );
FwStatus   fwsSqr_16sc_Sfs ( const Fw16sc * pSrc, Fw16sc * pDst, int len, int scaleFactor );
FwStatus   fwsSqr_8u_ISfs ( Fw8u * pSrcDst, int len, int scaleFactor );
FwStatus   fwsSqr_16s_ISfs ( Fw16s * pSrcDst, int len, int scaleFactor );
FwStatus   fwsSqr_16u_ISfs ( Fw16u * pSrcDst, int len, int scaleFactor );
FwStatus   fwsSqr_16sc_ISfs ( Fw16sc * pSrcDst, int len, int scaleFactor );

Parameters

len   Specifies the number of elements in a buffer.
pDst   Pointer to a destination buffer.
pSrc   Pointer to a source buffer.
pSrcDst   Pointer to a buffer that is both the source and destination.
scaleFactor   Specifies an integer scaling factor for the Sfs operation. The returned result is multiplied by 2^(-scaleFactor).

Description

These functions step through vector elements in a source buffer and calculate the square of the source data.

The results can be written to a destination buffer or written back to the source buffer.

The 8-bit unsigned, 16-bit unsigned, and 16-bit signed versions perform an integer scaling operation before writing the results.