[Interest] how to convert double to int safely?

[nus1998]

Hi All, I have some code like followed:

    doubled=9.02;
d/=0.02;
inti=static_cast<int>(d);
qDebug()<<d<<i;

the result is 451 and 450, but I want  'i' be 451 too, how?  
thanks in advance


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