| =============================================================================== |
| |
| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| =============================================================================== |
| |
| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| =============================================================================== |
| |
| /* |
| * http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html |
| * Copyright Takuya OOURA, 1996-2001 |
| * |
| * You may use, copy, modify and distribute this code for any purpose (include |
| * commercial use) and without fee. Please refer to this package when you modify |
| * this code. |
| * |
| * Changes by the WebRTC authors: |
| * - Trivial type modifications. |
| * - Minimal code subset to do rdft of length 128. |
| * - Optimizations because of known length. |
| * |
| * All changes are covered by the WebRTC license and IP grant: |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| =============================================================================== |
| |
| /* |
| * http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html |
| * Copyright Takuya OOURA, 1996-2001 |
| * |
| * You may use, copy, modify and distribute this code for any purpose (include |
| * commercial use) and without fee. Please refer to this package when you modify |
| * this code. |
| * |
| * Changes: |
| * Trivial type modifications by the WebRTC authors. |
| */ |
| |
| =============================================================================== |
| |
| /*Boost Software License - Version 1.0 - August 17th, 2003 |
| |
| Permission is hereby granted, free of charge, to any person or organization |
| obtaining a copy of the software and accompanying documentation covered by |
| this license (the "Software") to use, reproduce, display, distribute, |
| execute, and transmit the Software, and to prepare derivative works of the |
| Software, and to permit third-parties to whom the Software is furnished to |
| do so, all subject to the following: |
| |
| The copyright notices in the Software and this entire statement, including |
| the above license grant, this restriction and the following disclaimer, |
| must be included in all copies of the Software, in whole or in part, and |
| all derivative works of the Software, unless such copies or derivative |
| works are solely in the form of machine-executable object code generated by |
| a source language processor. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
| SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
| FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| DEALINGS IN THE SOFTWARE.*/ |
| |
| =============================================================================== |
| |
| // Copyright Steven J. Ross 2001 - 2009. |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| // See http://www.boost.org/ for updates, documentation, and revision history. |
| |
| /* |
| Some improvements suggested by: |
| Phil Endecott and Frank Gennari |
| Cygwin fix provided by: |
| Scott McMurray |
| */ |
| |
| =============================================================================== |
| |
| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| =============================================================================== |
| |
| // (C) Copyright Greg Colvin and Beman Dawes 1998, 1999. |
| // Copyright (c) 2001, 2002 Peter Dimov |
| // |
| // Permission to copy, use, modify, sell and distribute this software |
| // is granted provided this copyright notice appears in all copies. |
| // This software is provided "as is" without express or implied |
| // warranty, and with no claim as to its suitability for any purpose. |
| // |
| // See http://www.boost.org/libs/smart_ptr/scoped_ptr.htm for documentation. |
| // |
| |
| // scoped_ptr mimics a built-in pointer except that it guarantees deletion |
| // of the object pointed to, either on destruction of the scoped_ptr or via |
| // an explicit reset(). scoped_ptr is a simple solution for simple needs; |
| // use shared_ptr or std::auto_ptr if your needs are more complex. |
| |
| // scoped_ptr_malloc added in by Google. When one of |
| // these goes out of scope, instead of doing a delete or delete[], it |
| // calls free(). scoped_ptr_malloc<char> is likely to see much more |
| // use than any other specializations. |
| |
| // release() added in by Google. Use this to conditionally |
| // transfer ownership of a heap-allocated object to the caller, usually on |
| // method success. |
| |
| |
| =============================================================================== |
| /* |
| * Written by Wilco Dijkstra, 1996. |
| * Refer to NOTICE file at the root of git project. |
| * |
| * Minor modifications in code style for WebRTC, 2012. |
| */ |
| |
| // The following email record is related to source files spl_sqrt_floor.c |
| // and spl_sqrt_floor.s in trunk/src/common_audio/signal_processing/. |
| // |
| // |
| // From: Wilco Dijkstra <Wilco.Dijkstra@ntlworld.com> |
| // Date: Fri, Jun 24, 2011 at 3:20 AM |
| // Subject: Re: sqrt routine |
| // To: Kevin Ma <kma@google.com> |
| // Hi Kevin, |
| // Thanks for asking. Those routines are public domain (originally posted to |
| // comp.sys.arm a long time ago), so you can use them freely for any purpose. |
| // Cheers, |
| // Wilco |
| // |
| // ----- Original Message ----- |
| // From: "Kevin Ma" <kma@google.com> |
| // To: <Wilco.Dijkstra@ntlworld.com> |
| // Sent: Thursday, June 23, 2011 11:44 PM |
| // Subject: Fwd: sqrt routine |
| // Hi Wilco, |
| // I saw your sqrt routine from several web sites, including |
| // http://www.finesse.demon.co.uk/steven/sqrt.html. |
| // Just wonder if there's any copyright information with your Successive |
| // approximation routines, or if I can freely use it for any purpose. |
| // Thanks. |
| // Kevin |