| /* | 
 |  *  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. | 
 |  */ | 
 |  | 
 | #ifndef WEBRTC_COMMON_AUDIO_FFT4G_H_ | 
 | #define WEBRTC_COMMON_AUDIO_FFT4G_H_ | 
 |  | 
 | #if defined(__cplusplus) | 
 | extern "C" { | 
 | #endif | 
 |  | 
 | // Refer to fft4g.c for documentation. | 
 | void WebRtc_rdft(size_t n, int isgn, float *a, size_t *ip, float *w); | 
 |  | 
 | #if defined(__cplusplus) | 
 | } | 
 | #endif | 
 |  | 
 | #endif  // WEBRTC_COMMON_AUDIO_FFT4G_H_ |