ATANH

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

構文

result = ATANH (x)

x

(Input) Must be of type real, where | x | is less than or equal to 1.

Results

The result type and kind is the same as x. The value lies in the range -1.0 to 1.0.

Specific Name

Argument Type

Result Type

ATANH

REAL(4)

REAL(4)

DATANH

REAL(8)

REAL(8)

QATANH

REAL(16)

REAL(16)

ATANH (-0.77) has the value -1.02033.

ATANH (0.5) has the value 0.549306.


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