I’m trying to round BigDecimal values up, to two decimal places. I’m using BigDecimal rounded = value.round(new MathContext(2, RoundingMode.CEILING)); logger.trace(“rounded {} to {}”, value, rounded); but it doesn’t do what I want consistently: rounded 0.819 to 0.82 rounded 1.092 to 1.1 rounded 1.365 to 1.4 // should be 1.37 rounded 2.730 to 2.8 // should … Read more
I need a simple floating point rounding function, thus: double round(double); round(0.1) = 0 round(-0.1) = 0 round(-0.9) = -1 I can find ceil() and floor() in the math.h – but not round(). Is it present in the standard C++ library under another name, or is it missing?? 23 Answers 23
How can I round down a number in JavaScript? math.round() doesn’t work because it rounds it to the nearest decimal. I’m not sure if there is a better way of doing it other than breaking it apart at the decimal point at keeping the first bit. There must be… 12 Answers 12
I need to convert minutes to hours, rounded off to two decimal places. I also need to display only up to two numbers after the decimal point. So if I have minutes as 650, then hours should be 10.83. Here’s what I have so far: Select round(Minutes/60.0,2) from …. But in this case, if my … Read more
According to the documentation, the decimal.Round method uses a round-to-even algorithm which is not common for most applications. So I always end up writing a custom function to do the more natural round-half-up algorithm: public static decimal RoundHalfUp(this decimal d, int decimals) { if (decimals < 0) { throw new ArgumentException(“The decimals must be non-negative”, … Read more
I want to round up double value in two decimal places in c# how can i do that? double inputValue = 48.485; after round up inputValue = 48.49; Related: c# – How do I round a decimal value to 2 decimal places (for output on a page) 8 Answers 8
I have float numbers like 3.2 and 1.6. I need to separate the number into the integer and decimal part. For example, a value of 3.2 would be split into two numbers, i.e. 3 and 0.2 Getting the integer portion is easy: n = Math.floor(n); But I am having trouble getting the decimal portion. I … Read more
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that? x <- 1.128347132904321674821 EDIT: The use of: options(digits=2) Has been suggested as a possible answer. Is there a way to specify this within … Read more
I need to round for example 6.688689 to 6.7, but it always shows me 7. My method: Math.round(6.688689); //or Math.round(6.688689, 1); //or Math.round(6.688689, 2); But result always is the same 7… What am I doing wrong? 18 Answers 18
I want to do this using the Math.Round function 15 Answers 15
