05-16-2009
vi filename
then type
G (shift + g)
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LEARN ABOUT SUNOS
mlib_signalconvertshift_f32_s16
mlib_SignalConvertShift_F32_U8(3MLIB) mlib_SignalConvertShift_F32_U8(3MLIB)
NAME
mlib_SignalConvertShift_F32_U8, mlib_SignalConvertShift_F32_S8, mlib_SignalConvertShift_F32_S16, mlib_SignalConvertShift_F32_S32, mlib_Sig-
nalConvertShift_F32S_U8S, mlib_SignalConvertShift_F32S_S8S, mlib_SignalConvertShift_F32S_S16S, mlib_SignalConvertShift_F32S_S32S - data
type convert with shifting
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_SignalConvertShift_F32_U8(mlib_f32 *dst, const mlib_u8 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S8(mlib_f32 *dst, const mlib_s8 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S16(mlib_f32 *dst, const mlib_s16 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32_S32(mlib_f32 *dst, const mlib_s32 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_U8S(mlib_f32 *dst, const mlib_u8 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S8S(mlib_f32 *dst, const mlib_s8 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S16S(mlib_f32 *dst, const mlib_s16 *src, mlib_s32 shift, mlib_s32 n);
mlib_status mlib_SignalConvertShift_F32S_S32S(mlib_f32 *dst, const mlib_s32 *src, mlib_s32 shift, mlib_s32 n);
Each of these functions performs data type convert with shifting.
The following equation is used:
dst[i] = src[i] * 2**shift
See the following table for available variations of this group of data type convert functions.
Type [*] F32 F32S
U8 Y
S8 Y
S16 Y
S32 Y
U8S Y
S8S Y
S16S Y
S32S Y
[*] Each row represents a source data type. Each column represents a destination data type.
Each of the functions takes the following arguments:
dst Destination signal array.
src Source signal array.
shift Left shifting factor.
n Number of samples in the source signal arrays.
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 |Evolving |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
mlib_SignalConvertShift_U8_S8_Sat(3MLIB), attributes(5)
10 Nov 2004 mlib_SignalConvertShift_F32_U8(3MLIB)