5.3.61 _Q16shl Function
This function shifts a Q16 value by y bits, to the left if
y is positive or to the right if y is negative.
The function takes care of saturating the result, in case of underflow or overflow.
Include
<libq.h>
Prototype
_Q16 _Q16shl(_Q16 x, short y);
Arguments
x |
a fixed-point number in Q16 format. The value of this argument ranges from -2147483648 to 2147483647. |
y |
an integer number, which ranges from -32 to 32. |
Return Value
This function returns the shifted value of x in Q16 format.
The value ranges from -2147483648 to 2147483647.