chromium/third_party/webrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_tables_common.h

/*
 *  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 MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_COMMON_H_
#define MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_COMMON_H_

#include "common_audio/third_party/ooura/fft_size_128/ooura_fft.h"

namespace webrtc {

// This tables used to be computed at run-time. For example, refer to:
// https://code.google.com/p/webrtc/source/browse/trunk/webrtc/modules/audio_processing/utility/apm_rdft.c?r=6564
// to see the initialization code.
// Constants shared by all paths (C, SSE2, NEON).
const float rdft_w[64] = …;

// Constants used by the C and MIPS paths.
const float rdft_wk3ri_first[16] = …;
const float rdft_wk3ri_second[16] = …;

}  // namespace webrtc

#endif  // MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_COMMON_H_