Set the number of digits after the point in double
Solution 1
You can't. Binary floating point doesn't work like that. You can format a double that way (e.g. using "f4"
as the format string), but if you're dealing with values which have a natural number of decimal places, then you should probably be using decimal
instead. Could you give us more information about what your values represent?
Solution 2
You can't set the number of digits after the point on the double directly.
You can change the string representation of the double using a format string.
One example would be:
string.Format("{0:0.####}", number);
Or as Jon Skeet points out:
number.ToString("f4")
Solution 3
Use this to compare two floating point numbers to 4 digits in the fraction:
if (Math.Abs(a - b) < 1E-4) {
// close enough
//...
}
Bassel Shawi
Computer science graduate. currently Studing 1 year major in AI
Updated on July 03, 2022Comments
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Bassel Shawi almost 2 years
In c# double type how can i set the number of digits after the point, i need only 4. thank you.