- (flatan [y] x)procedure
Returns arctan(x). (C99 atan)
With two arguments, returns arctan(y/x) in the range [-π,π], using the signs of x and y to choose the correct quadrant for the result. (C99 atan2)
Returns arctan(x). (C99 atan)
With two arguments, returns arctan(y/x) in the range [-π,π], using the signs of x and y to choose the correct quadrant for the result. (C99 atan2)