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Attachment Details
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double round(double value, int precision)
{
double fraction,
temp;
value = value*pow(10, precision);
fraction = modf(value, &temp);
if(fraction>=0.5) temp+=1.0;
if(fraction<=-0.5) temp-=1.0;
return temp*pow(0.1, precision);
}
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The Solution Rating System
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With so many solutions, how can you tell which solutions are most likely to help you and which ones are not? To provide you with a tool to use, we rate our solutions based on various elements that most accurately determine if a solution is a quality solution. To explain what factors affect the solution rating, here are the elements we take into consideration when formulating our solution rating.
Your Input Matters If you have any suggestions that you would like to make for our rating system, please ask a question in the Suggestions Zone of Community Support. Thank you! |
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//Tax Rates are stored as longs, where 6000 means 6% for example //Totals are stored as longs denoting cents tax = taxableProducts * productsRate; tax += taxableShipping * shippingRate; remainder = tax%100000; if(remainder>=50000) tax+=100000-remainder; else if(remainder<=-50000) tax+=(-100000-remainder); else tax-=remainder; taxFloat = (float) round((double) tax/(double) 10000000, 2); return taxFloat; |