5.3.44 _Q16cosPI Function

This function finds the cosine of PI (π) times a Q16 value.

Include

<libq.h>

Prototype

_Q16 _Q16cosPI(_Q16 x);

Argument


`x`	a fixed-point number in Q16 format. The value of this argument ranges from -2147483648 to 2147483647.

Return Value

This function returns the cosine of PI times x in Q16 format. The value ranges from -65536 to 65535.