Re: Rounding double
jacob navia wrote:
On Nov 22, 4:49 pm, suresh <mail2msur...@gmail.com> wrote:
On Nov 22, 10:39 am, md <mojtaba.da...@gmail.com> wrote:> Hi
Does any body know, how to round a double value with a specific
number of digits after the decimal points?
A function like this:
RoundMyDouble (double &value, short numberOfPrecisions)
int p = pow(10, numberOfPrecisions);
value = (int)(value * p + 0.5) / (double)p;
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I tried that before but it does not work!
This can go beyond 9:
void RoundMyDouble (long double *value, short numberOfPrecisions)
long long p = powl(10.0L, numberOfPrecisions);
*value = (long long)(*value * p + 0.5L) / (double)p;
I have floor(). It even goes past 11!
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