float atan2 ( float  y, float  x  )

inline

Compute arc tangent with 2 parameters.

Computes the principal value of the arc tangent of y/x, expressed in radians. To compute the value, the function uses the sign of both arguments to determine the quadrant.

See Also

atan()

Parameters

y	Floating point value representing a y coordinate.
x	Floating point value representing an x coordinate.

Returns

Arc tangent of y/x, in the interval [-pi,+pi] radians.

Warning

This function requires the enhanced NBC/NXC firmware.

Examples:

ex_atan2.nxc.