C语言技巧:有if时使用likely和unlikely让代码运行更快
详细描述参见:https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html 期望exp == c, 举例: 1、假设x == 0, 说明if (__builtin_expect (x, 0)) 判断期望不运行foo(); 2、假设ptr != NULL,则说明ptr 倾向于非空 这样判断期望运行foo(*ptr); 所以针对likely, unlikely所代表的含义就如下: //x...
下個月我們非常可能又要幫她買新衣了。 (c) seem likely that + 子句 看來可能……;看似可能…… Itseems likely thatthe epidemic in the UK would only get worse. 英國的疫情可能只會越來越嚴重。 補充:That’s a likely story. Likely 作為形容詞「可能的」加上 story. 直翻為「有可能性的故事」,...
这段文字简短的概括了生活作息不规律导致的一些生理和心理的紊乱。这里使用了比较客观的形容词-“可能”, likely。从这里让我发射联想出很多表达“可能”的词语, 包括probably, maybe, possibly。 我的问题来了, 他们的词性是什么?使用的场合...
A. probably B.possibly C.likely D.perhaps 点拨不能说It is perhaps to …;A, B都是副词，所以不能选择 A或B。常不用 It is probable to do sth.但可以说It is possible that从句.请看以下例句：It is possible for him to finish work.It is possible that he shall finish work.I...
To get a broad idea of what a study participant's family environment was like during their childhood, participants answered survey questions such as how often a parent or other adult in the household made the participant feel loved, supported and cared for, and how often a parent or other...
其他各项尽管在表示可能性的程度上有所区别，但是都与 may 的语义重复，不能放在一起使用。它们的具体区别如下：B. likely 从表面迹象来看来的可能性，前面常用修饰性副词 very，quite，fairly 等 C. possibly 事实上有实现或实行的可能性 D. probably 可以得到证明的可能性 ...
Also, older adults were more likely to be adamant that they did not made a mistake. "The good news is older adults perform the tasks we assigned them just as well as younger adults, albeit more slowly," said the study's corresponding author Jan Wessel, assistant professor in the university...
Information on (changes in) standing and lying behaviour of cows can be used for oestrus detection, early diagnosis of disorders and to evaluate welfare consequences of changes in housing and management. Data sets on lying and standing behaviour were collected from cows with IceTag sensors fitted ...
C Sheng,CM Chen,Z Ying,... - 《Plos One》 被引量: 43发表: 2012年 The Relationship between Body Weight and Health Care among German Women women (BMI < 25.0 kg/m2).Results: In multivariable analysis, obese women 50 to 74 years old were more likely than normal-weight women to delay ...