frostfs-sdk-java/client/src/main/java/info/frostfs/sdk/placement/MeanAgg.java

package info.frostfs.sdk.placement;

import java.math.BigInteger;

public class MeanAgg {
    private double mean;
    private int count;

    public void add(BigInteger n) {
        int c = count + 1;
        mean = mean * count / c + n.doubleValue() / c;
        count++;
    }

    public double compute() {
        return mean;
    }
}