Math.atan2(y, x) â float
Class Public methods
Computes the arc tangent given y and x. Returns -PI..PI.
1 2 3 4 5 6 7 8 9 10 | Math.atan2(-0.0, -1.0) #=> -3.141592653589793Math.atan2(-1.0, -1.0) #=> -2.356194490192345Math.atan2(-1.0, 0.0) #=> -1.5707963267948966Math.atan2(-1.0, 1.0) #=> -0.7853981633974483Math.atan2(-0.0, 1.0) #=> -0.0Math.atan2(0.0, 1.0) #=> 0.0Math.atan2(1.0, 1.0) #=> 0.7853981633974483Math.atan2(1.0, 0.0) #=> 1.5707963267948966Math.atan2(1.0, -1.0) #=> 2.356194490192345Math.atan2(0.0, -1.0) #=> 3.141592653589793 |
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