blob: 58fc77f50c5bacb98e214ea66d03db3c495c87a5 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/base/weighted_samples.h"
namespace remoting {
WeightedSamples::WeightedSamples(double weight_factor)
: weight_factor_(weight_factor) {}
WeightedSamples::~WeightedSamples() = default;
void WeightedSamples::Record(double value) {
weighted_sum_ *= weight_factor_;
weighted_sum_ += value;
weight_ *= weight_factor_;
weight_++;
}
double WeightedSamples::WeightedAverage() const {
if (weight_ == 0) {
return 0;
}
return weighted_sum_ / weight_;
}
} // namespace remoting