将指定的单精度浮点值的文本表示形式写入标准输出流。
Writes the text representation of the specified 64-bit unsigned integer value to the standard output stream.
在 64 位系统上，整型被转换成 64 位的整型值，单精度的浮点类型被转换成双精度的浮点类型。
On a 64-bit system, integral types are converted to 64-bit integral types, and single precision floating point types are promoted to double precision.
将指定的单精度浮点数的值转换为等效的16位无符号整数。
Converts the value of the specified Unicode character to the equivalent 16-bit unsigned integer.
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