* Add a sample and recalculate average and standard deviation. * * @param sample New sampled value. * @return New average value. */
| 42 | * @return New average value. |
| 43 | */ |
| 44 | double update(double sample) |
| 45 | { |
| 46 | samples.push_back(sample); |
| 47 | if (samples.size() > maxSamples) |
| 48 | { |
| 49 | samples.pop_front(); |
| 50 | } |
| 51 | average = std::accumulate(samples.begin(), samples.end(), 0.0) / samples.size(); |
| 52 | double stdevSquared = std::accumulate(samples.begin(), samples.end(), 0.0, |
| 53 | [&](double sum, double xi) { |
| 54 | return sum + (xi - average) * (xi - average); |
| 55 | }) / samples.size(); |
| 56 | stdev = std::sqrt(stdevSquared); |
| 57 | return average; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Get current average value of all samples. |
no test coverage detected