%description:
basic use of cStdDev

%global:
void {print}(cStdDev& s)
{
    ev << "n=" << s.samples() << ":w=" << s.weights()
       << ":S=" << s.sum() << ":SS=" << s.sqrSum()
       << ":min=" << s.min() << ":max=" << s.max()
       << ":mean=" << s.mean() << ":stddev=" << s.stddev()
       << ":var=" << s.variance() << endl;
}

%activity:

cStdDev sd;
{print}(sd);

sd.collect(5);  {print}(sd);
sd.collect(4);  {print}(sd);
sd.collect(3);  {print}(sd);
sd.collect(2);  {print}(sd);
sd.collect(1);  {print}(sd);
ev << "-" << endl;

sd.clearResult(); {print}(sd);
sd.collect(5);    {print}(sd);
sd.collect(5);    {print}(sd);
sd.collect(5);    {print}(sd);
ev << "-" << endl;

sd.clearResult();  {print}(sd);
sd.collect(1.23);  {print}(sd);
sd.collect(4.52);  {print}(sd);
sd.collect(-3.64); {print}(sd);
sd.collect(-12.2); {print}(sd);
ev << "-" << endl;

%contains-regex: stdout
n=0:w=0:S=0:SS=0:min=0:max=0:mean=0:stddev=0:var=0
n=1:w=1:S=5:SS=25:min=5:max=5:mean=5:stddev=0:var=0
n=2:w=2:S=9:SS=41:min=4:max=5:mean=4\.5:stddev=0\.70.*:var=0\.5
n=3:w=3:S=12:SS=50:min=3:max=5:mean=4:stddev=1:var=1
n=4:w=4:S=14:SS=54:min=2:max=5:mean=3\.5:stddev=1\.29.*:var=1\.66.*
n=5:w=5:S=15:SS=55:min=1:max=5:mean=3:stddev=1\.58.*:var=2\.5
-
n=0:w=0:S=0:SS=0:min=0:max=0:mean=0:stddev=0:var=0
n=1:w=1:S=5:SS=25:min=5:max=5:mean=5:stddev=0:var=0
n=2:w=2:S=10:SS=50:min=5:max=5:mean=5:stddev=0:var=0
n=3:w=3:S=15:SS=75:min=5:max=5:mean=5:stddev=0:var=0
-
n=0:w=0:S=0:SS=0:min=0:max=0:mean=0:stddev=0:var=0
n=1:w=1:S=1\.23:SS=1\.5129:min=1\.23:max=1\.23:mean=1\.23:stddev=0:var=0
n=2:w=2:S=5\.75:SS=21\.9433:min=1\.23:max=4\.52:mean=2\.875:stddev=2\.326.*:var=5\.412.*
n=3:w=3:S=2\.11:SS=35\.1929:min=-3\.64:max=4\.52:mean=0\.703.*:stddev=4\.105.*:var=16\.854.*
n=4:w=4:S=-10\.09:SS=184\.033:min=-12\.2:max=4\.52:mean=-2\.5225:stddev=7\.270.*:var=52\.860.*
-