Programming languages have some undefined behaviors, such as what to do with misaligned pointers or when encountering signed integer overflows.
编程语言有一些未定义行为，例如如何处理偏离的指针以及遇到带符号整数溢出时该怎么办。
| 单词 | Signed integer |
| 释义 |
Signed integer
原声例句
Apple 最新资讯 Programming languages have some undefined behaviors, such as what to do with misaligned pointers or when encountering signed integer overflows. 编程语言有一些未定义行为，例如如何处理偏离的指针以及遇到带符号整数溢出时该怎么办。
英语百科
Signed number representationsIn computing, signed number representations are required to encode negative numbers in binary number systems. In mathematics, negative numbers in any base are represented by prefixing them with a minus ("−") sign. However, in computer hardware, numbers are represented only as sequences of bits, without extra symbols. The four best-known methods of extending the binary numeral system to represent signed numbers are: sign-and-magnitude, ones' complement, two's complement, and excess-K. Some of the alternative methods use implicit instead of explicit signs, such as negative binary, using the base −2. Corresponding methods can be devised for other bases, whether positive, negative, fractional, or other elaborations on such themes. |
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