atanh function

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime

Returns inverse hyperbolic tangent of expr.

Syntax 

atanh(expr)

Arguments

  • expr: An expression that evaluates to a numeric.

Returns

A DOUBLE.

If the argument is out of bounds, the result is NaN.

Examples 

> SELECT atanh(0);
 0.0
> SELECT atanh(2);
 NaN