| // 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. |
| |
| #ifndef REMOTING_BASE_WEIGHTED_SAMPLES_H_ |
| #define REMOTING_BASE_WEIGHTED_SAMPLES_H_ |
| |
| #include <cstdint> |
| |
| namespace remoting { |
| |
| // Aggregates the samples and gives each of them a weight based on its age. This |
| // class can help to smooth the input data. |
| class WeightedSamples final { |
| public: |
| explicit WeightedSamples(double weight_factor); |
| ~WeightedSamples(); |
| |
| void Record(double value); |
| double WeightedAverage() const; |
| |
| private: |
| const double weight_factor_; |
| double weighted_sum_ = 0; |
| double weight_ = 0; |
| }; |
| |
| } // namespace remoting |
| #endif // REMOTING_BASE_WEIGHTED_SAMPLES_H_ |