for 循环，加倍 [英] for-loop, increment by double

问题描述

我想对我的问题使用 for 循环，而不是 while.是否可以执行以下操作?:

I want to use the for loop for my problem, not while. Is it possible to do the following?:

for(double i = 0; i < 10.0; i+0.25)

我想添加双精度值.

推荐答案

为了防止被浮点运算的伪影所困扰，您可能需要使用整数循环变量并在循环中导出您需要的浮点值:

To prevent being bitten by artifacts of floating point arithmetic, you might want to use an integer loop variable and derive the floating point value you need inside your loop:

for (int n = 0; n <= 40; n++) {
    double i = 0.25 * n;
    // ...
}

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