_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.