cube_root.h revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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
3// found in the LICENSE file.
4
5#ifndef NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_
6#define NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_
7
8#include "base/basictypes.h"
9#include "net/base/net_export.h"
10
11namespace net {
12
13class NET_EXPORT_PRIVATE CubeRoot {
14 public:
15  // Calculates the cube root using a table lookup followed by one Newton-
16  // Raphson iteration.
17  static uint32 Root(uint64 a);
18};
19
20}  // namespace net
21#endif  // NET_QUIC_CONGESTION_CONTROL_CUBE_ROOT_H_
22