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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ | 5 #ifndef NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ |
| 6 #define NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ | 6 #define NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "net/base/net_export.h" | 9 #include "net/base/net_export.h" |
| 10 | 10 |
| 11 namespace net { | 11 namespace net { |
| 12 | 12 |
| 13 class NET_EXPORT_PRIVATE CubeRoot { | 13 class NET_EXPORT_PRIVATE CubeRoot { |
| 14 public: | 14 public: |
| 15 // Calculates the cube root using a table lookup followed by one Newton- | 15 // Calculates the cube root using a table lookup followed by one Newton- |
| 16 // Raphson iteration. | 16 // Raphson iteration. |
| 17 static uint32 Root(uint64 a); | 17 static uint32 Root(uint64 a); |
| 18 |
| 19 private: |
| 20 DISALLOW_COPY_AND_ASSIGN(CubeRoot); |
| 18 }; | 21 }; |
| 19 | 22 |
| 20 } // namespace net | 23 } // namespace net |
| 21 #endif // NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ | 24 #endif // NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_ |
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