5.3.96 _Q31shrNoSat Function
This function shifts a Q31 value by num bits, to the right if
num is positive or to the left if num is negative. The
function sets the _Q31shrSatFlag variable in case of underflow or overflow
but does not take care of saturation.
Include
<libq.h>
Prototype
_Q31 _Q31shrNoSat(_Q31 x, short num);
Arguments
x
|
a fixed-point number in Q31 format, which ranges from -231 to 231-1. The value of this argument ranges from -2147483648 to 2147483647. |
num
|
an integer number, which ranges from -31 to 31. |
Return Value
This function returns the shifted value of x in Q31 format. The value ranges
from -2147483648 to 2147483647.