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术语 fixedpoint arithmetic
释义 fixedpoint arithmetic
定点运算(法);[固定点算术]
1. A method of calculation in which operations take place in an invariant manner, and in which the computer does not consider the location of the radix point. This is illustrated by desk calculators or slide rules, with which the operator must keep track of the decimal point. Similar to many automatic computers, in which the location of the radix point is the programmer's responsibility.
一种计算方法,其中运算按固定不变的方式进行,并且计算机不考虑小数点的位置。例如 台式计算机和计算尺,其操作员必须记住十进制小数点的位置。类似于许多自动计算机,在 这些计算机中,记住小数点的位置是程序员的责任。
2. A type of arithmetic in which the operands and results of all arithmetic operations must be properly scaled so as to have a magnitude between certain fixed values.
一种算法,在这种算法中所有算术运算的操作数与结果都必须定以适当的比例,以使在 某些固定值之间有一个值。
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