ACOSH

Elemental Intrinsic Function (Generic): Produces the hyperbolic arccosine of x.

Syntax

result = ACOSH (x)

x
(Input) Must be of type real and must be greater than or equal to 1.

Results

The result type is the same as x.

Specific Name Argument Type Result Type
ACOSH REAL(4) REAL(4)
DACOSH REAL(8) REAL(8)
QACOSH REAL(16) REAL(16)

Examples

ACOSH (1.0) has the value 0.0.

ACOSH (180.0) has the value 5.8861.