Elemental Intrinsic Function (Generic): Produces the hyperbolic arctangent of x.
result = ATANH (x)
x |
(Input) Must be of type real, where | x | is less than or equal to 1.
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結果
The result type and kind is the same as x. The value lies in the range -1.0 to 1.0.
Specific Name
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Argument Type
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Result Type
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ATANH
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REAL(4)
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REAL(4)
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DATANH
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REAL(8)
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REAL(8)
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QATANH
|
REAL(16)
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REAL(16)
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例
ATANH (-0.77) has the value -1.02033.
ATANH (0.5) has the value 0.549306.