Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VectorScale_U8_Mod(mlib_u8 *xz, const mlib_u8 *a, const mlib_u8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_U8_Sat(mlib_u8 *xz, const mlib_u8 *a, const mlib_u8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_U8C_Mod(mlib_u8 *xz, const mlib_u8 *a, const mlib_u8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_U8C_Sat(mlib_u8 *xz, const mlib_u8 *a, const mlib_u8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S8_Mod(mlib_s8 *xz, const mlib_s8 *a, const mlib_s8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S8_Sat(mlib_s8 *xz, const mlib_s8 *a, const mlib_s8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S8C_Mod(mlib_s8 *xz, const mlib_s8 *a, const mlib_s8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S8C_Sat(mlib_s8 *xz, const mlib_s8 *a, const mlib_s8 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S16_Mod(mlib_s16 *xz, const mlib_s16 *a, const mlib_s16 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S16_Sat(mlib_s16 *xz, const mlib_s16 *a, const mlib_s16 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S16C_Mod(mlib_s16 *xz, const mlib_s16 *a, const mlib_s16 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S16C_Sat(mlib_s16 *xz, const mlib_s16 *a, const mlib_s16 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S32_Mod(mlib_s32 *xz, const mlib_s32 *a, const mlib_s32 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S32_Sat(mlib_s32 *xz, const mlib_s32 *a, const mlib_s32 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S32C_Mod(mlib_s32 *xz, const mlib_s32 *a, const mlib_s32 *b, mlib_s32 n);
mlib_status mlib_VectorScale_S32C_Sat(mlib_s32 *xz, const mlib_s32 *a, const mlib_s32 *b, mlib_s32 n);
Each of these functions performs an in-place scaling of a vector by multiplying by a scalar and adding an offset.
For real data, the following equation is used:
xz[i] = a[0]*xz[i] + b[0]
where i = 0, 1, ..., (n - 1).
For complex data, the following equation is used:
tmp = xz[2*i] xz[2*i] = a[0]*tmp - a[1]*xz[2*i + 1] + b[0] xz[2*i + 1] = a[1]*tmp + a[0]*xz[2*i + 1] + b[1]
where i = 0, 1, ..., (n - 1).
Each of the functions takes the following arguments:
Pointer to the first element of the source and destination vector.
Pointer to the source scaling factor. When the function is used with complex data types, a[0] contains the real part of the scaling factor, and a[1] contains the imaginary part of the scaling factor.
Pointer to the source offset. When the function is used with complex data types, b[0] contains the real part of the offset, and b[1] contains the imaginary part of the offset.
Number of elements in the vectors.
Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Committed |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also