5.3.13 _Q15cos Function
This function finds the cosine of a Q15 value.
Include
<libq.h>
Prototype
_Q15 _Q15cos(_Q15 x);
Argument
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. |
Return Value
This function returns the cosine of x in Q15 format. The
value ranges from 17705 to 32767.