class="kw">package com.hypixel.hytale.metrics.metric;

class="kw">public class AverageCollector {
   class="kw">private double val = 0.0;
   class="kw">private long n = 0L;

   class="kw">public AverageCollector() {
   }

   class="kw">public double get() {
      class="kw">return this.val;
   }

   class="kw">public long size() {
      class="kw">return this.n;
   }

   class="kw">public double addAndGet(double var1) {
      this.add(var1);
      class="kw">return this.get();
   }

   class="kw">public void add(double var1) {
      this.n++;
      this.val = this.val - this.val / this.n + var1 / this.n;
   }

   class="kw">public void remove(double var1) {
      if (this.n == 1L) {
         this.n = 0L;
         this.val = 0.0;
      } else if (this.n > 1L) {
         this.val = (this.val - var1 / this.n) / (1.0 - 1.0 / this.n);
         this.n--;
      }
   }

   class="kw">public void clear() {
      this.val = 0.0;
      this.n = 0L;
   }

   class="kw">public class="kw">static double add(double var0, double var2, int var4) {
      class="kw">return var0 - var0 / var4 + var2 / var4;
   }

   class="kw">public void set(double var1) {
      this.n = 1L;
      this.val = var1;
   }
}