ES|QL `TANH` function

Returns the hyperbolic tangent of a number.

Syntax

Embedded

Parameters

number: Numeric expression. If null, the function returns null.

Description

Returns the hyperbolic tangent of a number.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

		ROW a=1.8
| EVAL tanh=TANH(a)

a:double	tanh:double
1.8	0.9468060128462683