本文介绍了在Objective-C中将float转换为int的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
如何在四舍五入到下一个整数时将 float 转换为 int?例如，1.00001 会去 2，1.9999 会去 2.
How can I convert a float to int while rounding up to the next integer? For example, 1.00001 would go to 2 and 1.9999 would go to 2.
推荐答案
float myFloat = 3.333
// for nearest integer rounded up (3.333 -> 4):
int result = (int)ceilf(myFloat );
// for nearest integer (3.4999 -> 3, 3.5 -> 4):
int result = (int)roundf(myFloat );
// for nearest integer rounded down (3.999 -> 3):
int result = (int)floor(myFloat);
// For just an integer value (for which you don't care about accuracy)
int result = (int)myFloat;
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