ES|QL `ACOSH` function

Syntax

Embedded

Parameters

number: Number greater than or equal to 1. If null, the function returns null.

Description

Returns the inverse hyperbolic cosine of a number.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

		ROW a=1.8
| EVAL acosh=ACOSH(a)

a:double	acosh:double
1.8	1.1929107309930491