Arctan

Supported in: Batch, Streaming

Inverse tangent function.

Expression categories: Numeric

Declared arguments

• Angle unit - Output angle unit which is either degrees or radians.
  Enum<Degrees, Radians>
• Value - The value to compute arctan on.
  Expression<Double | Float>

Output type: Double

Examples

Example 1: Base case

Argument values:

• Angle unit: degrees
• Value: angle

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Example 2: Null case

Argument values:

• Angle unit: radians
• Value: null

Output: null

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