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1 /* | 1 /* |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/base/analytics/exp_filter.h" | 11 #include "webrtc/base/numerics/exp_filter.h" |
12 | 12 |
13 #include <math.h> | 13 #include <math.h> |
14 | 14 |
15 namespace rtc { | 15 namespace rtc { |
16 | 16 |
17 const float ExpFilter::kValueUndefined = -1.0f; | 17 const float ExpFilter::kValueUndefined = -1.0f; |
18 | 18 |
19 void ExpFilter::Reset(float alpha) { | 19 void ExpFilter::Reset(float alpha) { |
20 alpha_ = alpha; | 20 alpha_ = alpha; |
21 filtered_ = kValueUndefined; | 21 filtered_ = kValueUndefined; |
(...skipping 12 matching lines...) Expand all Loading... |
34 if (max_ != kValueUndefined && filtered_ > max_) { | 34 if (max_ != kValueUndefined && filtered_ > max_) { |
35 filtered_ = max_; | 35 filtered_ = max_; |
36 } | 36 } |
37 return filtered_; | 37 return filtered_; |
38 } | 38 } |
39 | 39 |
40 void ExpFilter::UpdateBase(float alpha) { | 40 void ExpFilter::UpdateBase(float alpha) { |
41 alpha_ = alpha; | 41 alpha_ = alpha; |
42 } | 42 } |
43 } // namespace rtc | 43 } // namespace rtc |
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