两侧同时换到之前的修订记录前一修订版后一修订版 | 前一修订版 | ||
zh:reference:language:sq [2015/10/09 03:09] – nzhu | reference:language:sq [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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+ | ====== sq() ====== | ||
+ | |||
+ | ===== 例子 ===== | ||
+ | <code cpp> | ||
+ | float a = sq(1); | ||
+ | float b = sq(-5); | ||
+ | float c = sq(9); | ||
+ | </ | ||
+ | ==== 描述 ==== | ||
+ | 求平方值,结果总是正数。例如, | ||
+ | === 语法 === | ||
+ | |||
+ | sq(value) | ||
+ | == 参数 == | ||
+ | |||
+ | value int or float | ||
+ | |||
+ | 返回 float | ||