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3e70781361
This is a follow-up to https://webrtc-review.googlesource.com/c/src/+/106280. This time the whole code base is covered. Some files may have not been fixed though, whenever the IWYU tool was breaking the build. Bug: webrtc:8311 Change-Id: I2c31f552a87e887d33931d46e87b6208b1e483ef Reviewed-on: https://webrtc-review.googlesource.com/c/111965 Commit-Queue: Yves Gerey <yvesg@google.com> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25830}
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "test/statistics.h"
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#include <math.h>
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#include <algorithm>
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#include <limits>
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namespace webrtc {
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namespace test {
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Statistics::Statistics()
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: sum_(0.0),
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sum_squared_(0.0),
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max_(std::numeric_limits<double>::min()),
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min_(std::numeric_limits<double>::max()),
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count_(0) {}
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void Statistics::AddSample(double sample) {
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sum_ += sample;
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sum_squared_ += sample * sample;
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max_ = std::max(max_, sample);
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min_ = std::min(min_, sample);
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++count_;
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}
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double Statistics::Max() const {
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return max_;
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}
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double Statistics::Mean() const {
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if (count_ == 0)
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return 0.0;
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return sum_ / count_;
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}
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double Statistics::Min() const {
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return min_;
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}
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double Statistics::Variance() const {
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if (count_ == 0)
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return 0.0;
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return sum_squared_ / count_ - Mean() * Mean();
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}
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double Statistics::StandardDeviation() const {
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return sqrt(Variance());
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}
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} // namespace test
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} // namespace webrtc
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