Example: Arc tangent of y/x (float)

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public static int main (string[] args) {
	// Output: ``atan2f (10.000000f, 5.000000f) = 1.107149f``
	float x = 10.0f;
	float y = 05.0f;
	float result = Math.atan2f (x, y);
	print("atan2f (%lff, %lff) = %lff\n", x, y, result);
	return 0;
}

 valac --pkg glib-2.0 -X -lm GLib.Math.atan2f.vala

See:

• GLib.Math.atan2f

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• Example Listing