SqlFunctions.Atan2 Method (Nullable<Double>, Nullable<Double>)

.NET Framework (current version)

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Returns the positive angle, in radians, between the positive x-axis and the ray from the origin through the point (x, y), where x and y are the two specified numerical values. The first parameter passed to the function is the y-value and the second parameter is the x-value.

Namespace:   System.Data.Objects.SqlClient
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

[EdmFunctionAttribute("SqlServer", "ATN2")]
public static Nullable<double> Atan2(
	Nullable<double> arg1,
	Nullable<double> arg2


Type: System.Nullable<Double>

The y-coordinate of a point.

Type: System.Nullable<Double>

The x-coordinate of a point.

Return Value

Type: System.Nullable<Double>

An angle, measured in radians.

You cannot call this function directly. This function can only appear within a LINQ to Entities query.

This function is translated to a corresponding function in the database. For information about the corresponding SQL Server function, see ATN2 (Transact-SQL).

.NET Framework
Available since 4.0
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