%description:
copying cStdDev

%global:
void {print}(cStdDev& s)
{
    ev << s.name() << ":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:

#define PRINT(X) ev << #X << ":" << X << endl

cStdDev sd("stddev");
sd.collect(4);
sd.collect(8);
sd.collect(3);
sd.collect(1);
{print}(sd);

// copy ctor
cStdDev sd2(sd);
{print}(sd2);

// op=()
cStdDev sd3("other");
sd3 = sd;
{print}(sd3);

%contains-regex: stdout
stddev:n=4:w=4:S=16:SS=90:min=1:max=8:mean=4:stddev=2\.943.*:var=8\.666.*
stddev:n=4:w=4:S=16:SS=90:min=1:max=8:mean=4:stddev=2\.943.*:var=8\.666.*
other:n=4:w=4:S=16:SS=90:min=1:max=8:mean=4:stddev=2\.943.*:var=8\.666.*