英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

underflow    
下溢

下溢

underflow
下溢; 缺; 欠位; 超下限; 低於下限

underflow
下溢

(or "floating point underflow", "floating
underflow", after "{overflow}") A condition that can occur
when the result of a {floating-point} operation would be
smaller in magnitude (closer to zero, either positive or
negative) than the smallest quantity representable. Underflow
is actually (negative) {overflow} of the {exponent} of the
{floating point} quantity. For example, an eight-bit {twos
complement} exponent can represent multipliers of 2^-128 to
2^127. A result less than 2^-128 would cause underflow.

Depending on the {processor}, the programming language and the
{run-time system}, underflow may set a status bit, raise an
{exception} or generate a {hardware} {interrupt} or some
combination of these effects. Alternatively, it may just be
ignored and zero substituted for the unrepresentable value,
though this might lead to a later {divide by zero} error which
cannot be so easily ignored.

(2006-11-09)


请选择你想看的字典辞典：
单词字典翻译
underflow查看　underflow　在百度字典中的解释百度英翻中〔查看〕
underflow查看　underflow　在Google字典中的解释Google英翻中〔查看〕
underflow查看　underflow　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:







中文字典-英文字典  2005-2009