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The ATN2 function calculates the principal value of the arctangent of y/x, expressed in radians.
Syntax
ATN2(<numeric_expr_y>, <numeric_expr_x>)
Arguments
| Description | |
|---|---|
numeric_expr_y |
A numeric expression for the y component. |
numeric_expr_x |
A numeric expression for the x component. |
Return types
Returns a numeric expression.
Examples
This section contains examples of how to use this query language construct.
Arctangent for y/x
In this example, the ATN2 function is used to calculate the arctangent for the specified x and y components.
SELECT VALUE {
arctangentInRadians: ATN2(35.175643, 129.44)
}
[
{
"arctangentInRadians": 0.265344532064832
}
]
Remarks
- This function doesn't utilize the index.