我怎样才能转换float
to int
同时向上舍入到下一个整数?例如,1.00001 将变为 2,1.9999 将变为 2。
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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