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andrew@webrtc.org04c50982015-03-19 20:06:29 +00001/*
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020011#ifndef COMMON_AUDIO_FFT4G_H_
12#define COMMON_AUDIO_FFT4G_H_
andrew@webrtc.org04c50982015-03-19 20:06:29 +000013
14#if defined(__cplusplus)
15extern "C" {
16#endif
17
18// Refer to fft4g.c for documentation.
Peter Kastingdce40cf2015-08-24 14:52:23 -070019void WebRtc_rdft(size_t n, int isgn, float *a, size_t *ip, float *w);
andrew@webrtc.org04c50982015-03-19 20:06:29 +000020
21#if defined(__cplusplus)
22}
23#endif
24
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020025#endif // COMMON_AUDIO_FFT4G_H_