5.3.103 _Q31tanPI Function

This function finds the tangent of PI (π) times a Q31 value.

Include

<libq.h>

Prototype

_Q31 _Q31tanPI(_Q31 x);

Argument

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.

Return Value

This function returns the tangent of PI times x in Q31 format. The value ranges from -2147483648 to 2147483647.