Round to 25, 50, 75, 100

Question

I\'m not a Math person so I\'m having a hard time to come up with a calculation to round the decimals to 25, 50, 75 and 100. And this will not be the typical round off because t

Answer 1

I would use something like this:

float RoundNearestCents(float price)
    {
    price*=(100/25.0); // now fractions are going away
    if (price-floor(price)>=0.5) price++; // round up if fraction above 0.5
    return floor(price)*(25.0/100.0); // cut of the fraction and restore original range
    }