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mlib_vectormulshift_s16_sat

mlib_VectorMulShift_U8_Mod(3MLIB)			    mediaLib Library Functions				 mlib_VectorMulShift_U8_Mod(3MLIB)

NAME

       mlib_VectorMulShift_U8_Mod,    mlib_VectorMulShift_U8_Sat,    mlib_VectorMulShift_U8C_Mod,   mlib_VectorMulShift_U8C_Sat,   mlib_VectorMul-
       Shift_S8_Mod, mlib_VectorMulShift_S8_Sat, mlib_VectorMulShift_S8C_Mod, mlib_VectorMulShift_S8C_Sat, mlib_VectorMulShift_S16_Mod,  mlib_Vec-
       torMulShift_S16_Sat,  mlib_VectorMulShift_S16C_Mod, mlib_VectorMulShift_S16C_Sat, mlib_VectorMulShift_S32_Mod, mlib_VectorMulShift_S32_Sat,
       mlib_VectorMulShift_S32C_Mod, mlib_VectorMulShift_S32C_Sat - vector multiplication with shifting, in place

SYNOPSIS

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

       mlib_status mlib_VectorMulShift_U8_Mod(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8_Sat(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8C_Mod(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8C_Sat(mlib_u8 *xz, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8_Mod(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8_Sat(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8C_Mod(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8C_Sat(mlib_s8 *xz, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16_Mod(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16_Sat(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16C_Mod(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16C_Sat(mlib_s16 *xz, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32_Mod(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32_Sat(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32C_Mod(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32C_Sat(mlib_s32 *xz, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

DESCRIPTION

       Each of these functions performs an in-place multiplication of two vectors and shifts the result.

       For real data, the following equation is used:

       xz[i] = xz[i] * y[i] * 2**(-shift)

       where i = 0, 1, ..., (n - 1).

       For complex data, the following equation is used:

       tmp	   = xz[2*i]
       xz[2*i]	   = (tmp*y[2*i] - xz[2*i + 1]*y[2*i + 1]) * 2**(-shift)
       xz[2*i + 1] = (tmp*y[2*i + 1] + xz[2*i + 1]*y[2*i]) * 2**(-shift)

       where i = 0, 1, ..., (n - 1).

PARAMETERS

       Each of the functions takes the following arguments:

       xz	       Pointer to the first element of the first source and result vector.

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

       n	       Number of elements in each vector.

       shift	       Right shifting factor.  The ranges of valid shift are:

		       1 <= shift <= 8	 for U8, S8, U8C, S8C types
		       1 <= shift <= 16  for S16, S16C types
		       1 <= shift <= 31  for S32, S32C types

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	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_VectorMulShift_U8_U8_Mod(3MLIB), attributes(5)

SunOS 5.10							    10 Nov 2004 				 mlib_VectorMulShift_U8_Mod(3MLIB)