I have double number in a format like 34.123456789. How can I change it to 34.123?
I just want 3 digits after the decimal point.
I have double number in a format like 34.123456789 . How can I change
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I have double number in a format like 34.123456789. How can I change it to 34.123?
I just want 3 digits after the decimal point.
You can print it to 3 decimal places with
[NSString stringWithFormat:@"%.3f",d].You can approximately round it with
round(d*1000)/1000, but of course this isn’t guaranteed to be exact since 1000 isn’t a power of 2.