ACOSH¶

语法¶

ACOSH( <input_expr> )

实参¶

input_expr

The value or expression to operate on. Must be greater than or equal to 1.0. The data type must be FLOAT.

返回¶

This function returns a value of type FLOAT.

示例¶

SELECT ACOSH(2.352409615);

+--------------------+
| ACOSH(2.352409615) |
|--------------------|
|                1.5 |
+--------------------+