reference:language:round
| 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:round [2015/10/09 02:31] – nzhu | reference:language:round [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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| + | ====== round() ====== | ||
| + | |||
| + | ===== 例子 ===== | ||
| + | <code cpp> | ||
| + | float x = 8.22; | ||
| + | int rx = round(x); // Sets rx to 8 | ||
| + | |||
| + | float y = 9.9; | ||
| + | int ry = round(y); // Sets ry to 10 | ||
| + | |||
| + | float z = -10.6; | ||
| + | int rz = round(z); // Sets rz to -11 | ||
| + | </ | ||
| + | ==== 描述 ==== | ||
| + | 计算接近于给定参数的整数值。 | ||
| + | === 语言 === | ||
| + | |||
| + | round(value) | ||
| + | == 参数 == | ||
| + | |||
| + | value float | ||
| + | |||
| + | 返回 int | ||
