Click here to view and discuss this page in DocCommentXchange. In the future, you will be sent there automatically.

SQL Anywhere 11.0.1 (Français) » SQL Anywhere Server - SQL Reference » Using SQL » SQL functions » SQL functions (A-D)

 

ATAN2 function [Numeric]

Returns the arc-tangent, in radians, of the ratio of two numbers.

Syntax
{ ATN2 | ATAN2 }( numeric-expression-1, numeric-expression-2 )
Parameters
  • numeric-expression-1   The numerator in the ratio whose arc-tangent is calculated.

  • numeric-expression-2   The denominator in the ratio whose arc-tangent is calculated.

Returns

DOUBLE

Remarks

This function converts its arguments to DOUBLE, and performs the computation in double-precision floating point.

See also
Standards and compatibility
  • SQL/2003   Vendor extension.

Example

The following statement returns the arc-tangent value for the ratio 0.52 to 0.60.

SELECT ATAN2( 0.52, 0.60 );