Function libm::atan2f

pub fn atan2f(y: f32, x: f32) -> f32

Arctangent of y/x (f32)

Computes the inverse tangent (arc tangent) of y/x. Produces the correct result even for angles near pi/2 or -pi/2 (that is, when x is near 0). Returns a value in radians, in the range of -pi to pi.