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ATan2

Name Edit

atan2 - returns arctangent of scalars and vectors.

Synopsis Edit

vector1 atan2(vector1 y, vector1 x);
vector2 atan2(vector2 y, vector2 x);
vector3 atan2(vector3 y, vector3 x);
vector4 atan2(vector4 y, vector4 x);

Parameters Edit

y
Vector or scalar for numerator of ratio of which to determine the arctangent.
x
Vector or scalar of denominator of ratio of which to determine the arctangent.

Description Edit

atan2 calculates the arctangent of y/x. atan2 is well defined for every point other than the origin, even if x equals 0 and y does not equal 0.

For vectors, the returned vector contains the arctangent of each element of the input vector.

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