TANH
Returns a DOUBLE PRECISION value that represents the hyperbolic tangent of the passed parameter.
	Returns a DOUBLE PRECISION value that represents the hyperbolic tangent of the passed parameter.
Behavior type
ImmutableSyntax
TANH ( expression )
Arguments
- expression
- Resolves to a value of type DOUBLE PRECISION.
Examples
=> SELECT TANH(-1);
        TANH
-------------------
  -0.761594155955765