将指定的十进制数的值转换为等效的64位带符号整数。
Converts the value of the specified decimal number to an equivalent 64-bit signed integer.
将指定的十进制数的值转换为等效的8位带符号整数。
Converts the value of the specified decimal number to an equivalent 8-bit signed integer.
阐述了带符号十进制数原码、补码位数的扩展和压缩方法，介绍了十进制补码的加法运算和减法运算。
The method of expansion and compression of the decimal numeral true form with symbol and ten's complement digit is introduced. And the addition and minus operations of ten's complement are introduced.
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