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

Immutable

Syntax

TANH ( expression )

Parameters

expression
An expression of type DOUBLE PRECISION

Examples

=> SELECT TANH(-1);
        TANH
-------------------
  -0.761594155955765