ATANH¶

引数の逆（アーク）双曲正接を計算します。

構文¶

ATANH( <input_expr> )

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input_expr: The value or expression to operate on. Must be a value between -1.0 and +1.0 (inclusive). The data type must be FLOAT or DECFLOAT.

If the input expression is of type DECFLOAT, the returned type is DECFLOAT. Otherwise, the returned type is FLOAT.

SELECT ATANH(0.9051482536);

---------------------+
 ATANH(0.9051482536) |
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 1.5                 |
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