5.3.27 _Q15shrNoSat Function
This function shifts a Q15 value by num
bits, to the right
if num
is positive or to the left if num
is negative.
The function sets the _Q15shrSatFlag
variable in case of underflow or
overflow but does not take care of saturation.
Include
<libq.h>
Prototype
_Q15 _Q15shrNoSat(_Q15 x, short num);
Arguments
x
|
a fixed-point number in Q15 format, which ranges from -215 to 215-1. The value of this argument ranges from -32768 to 32767. |
num
|
an integer number, which ranges from -15 to 15. |
Return Value
This function returns the shifted value of x
in Q15 format.
The value ranges from -32768 to 32767.