Oracle® OLAP DML Reference 11g Release 2 (11.2) Part Number E17122-07 |
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The ARCTAN2 function returns a full-range (0
- 2
pi) numeric value indicating the arc tangent of a given ratio. The function returns values in the range of -pi to pi, depending on the signs of the arguments. The values are expressed in radians.
To calculate the angle value (in radians) of a specified tangent that is not a ratio, use ARCTAN.
NUMBER
ARCTAN2 (n / m)
A numeric expression that specifies one component of the ratio. The argument n can be in an unbounded range.
A numeric expression that specifies the other component of the ratio.