Method operator()

src/backend/cpu/kernel/mean.hpp:28–38

Prevents the optimzation of the mean calculation by some compiler flags specifically -march=native.

    /// Prevents the optimzation of the mean calculation by some compiler flags
    /// specifically -march=native.
    [[gnu::optimize("01")]] void operator()(Ti _newMean, Tw newCount) {
        To newMean = transform(_newMean);
        if ((newCount != 0) || (runningCount != 0)) {
            Tw runningScale = runningCount;
            Tw newScale     = newCount;
            runningCount += newCount;
            runningScale = runningScale / runningCount;
            newScale     = newScale / runningCount;
            runningMean  = (runningScale * runningMean) + (newScale * newMean);
        }
    }
};

template<typename T, typename Tw, int D>