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| Module: | Prelude |
|---|---|
| Function: | atan2 |
| Type: | RealFloat a => a -> a -> a |
| Class: | RealFloat |
| Description: | atan2 y x computes the angle (from the positive x-axis) of the vector from the origin to the point (x,y). atan2 y x returns a value in the range [-pi, pi] |
| Related: |
Input: atan2 1 1
Output: 0.785398
Input: atan2 0 1
Output: 0.0
Input: atan2 1 0
Output: 1.5708