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mlib_VectorDotProd_U8_Sat(mediaLib Library Funmlib_VectorDotProd_U8_Sat(3MLIB)

NAME
       mlib_VectorDotProd_U8_Sat,  mlib_VectorDotProd_U8C_Sat, mlib_VectorDot‐
       Prod_S8_Sat,  mlib_VectorDotProd_S8C_Sat,   mlib_VectorDotProd_S16_Sat,
       mlib_VectorDotProd_S16C_Sat,  mlib_VectorDotProd_S32_Sat,  mlib_Vector‐
       DotProd_S32C_Sat - vector dot product (inner product)

SYNOPSIS
       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_VectorDotProd_U8_Sat(mlib_d64 *z,
	   const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_U8C_Sat(mlib_d64 *z,
	   const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S8_Sat(mlib_d64 *z,
	   const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S8C_Sat(mlib_d64 *z,
	   const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S16_Sat(mlib_d64 *z,
	   const mlib_s16 *x,const mlib_s16 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S16C_Sat(mlib_d64 *z,
	   const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S32_Sat(mlib_d64 *z,
	   const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n);

       mlib_status mlib_VectorDotProd_S32C_Sat(mlib_d64 *z,
	   const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n);

DESCRIPTION
       Each of these functions	computes  the  dot  product  of	 two  vectors,
       defined by the following equation:

	 Z = X . Y*

       where Y* is the conjugate of the Y vector.

       For real data, the following equation is used:

		n-1
	 z[0] = SUM (x[i]*y[i])
	       i=0

       For complex data, the following equation is used:

		n-1
	 z[0] = SUM (x[2*i]*y[2*i] + x[2*i + 1]*y[2*i + 1])
	       i=0

	       n-1
	 z[1] = SUM (x[2*i + 1]*y[2*i] - x[2*i]*y[2*i + 1])
	       i=0

PARAMETERS
       Each of the functions takes the following arguments:

       z    Pointer to the dot product of the two vectors.

       x    Pointer to the first element of the first source vector.

       y    Pointer to the first element of the second source vector.

       n    Number of elements in the vectors.

RETURN VALUES
       Each  of the functions returns MLIB_SUCCESS if successful. Otherwise it
       returns MLIB_FAILURE.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Committed			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │MT-Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       attributes(5)

SunOS 5.10			  2 Mar 2007  mlib_VectorDotProd_U8_Sat(3MLIB)
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