AbsPlan1RechitCombiner.cc

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#include "RecoLocalCalo/HcalRecAlgos/interface/AbsPlan1RechitCombiner.h"

float AbsPlan1RechitCombiner::energyWeightedAverage(
    const FPair* data, const unsigned len,
    const float valueToReturnOnFailure)
{
    double sum = 0.0, wsum = 0.0;
    for (unsigned i=0; i<len; ++i)
    {
        const float w = data[i].second;
        if (w > 0.f)
        {
            sum += w*data[i].first;
            wsum += w;
        }
    }
    if (wsum > 0.0)
        return sum/wsum;
    else
        return valueToReturnOnFailure;
}