1 /* 2 * Copyright (c) 2013 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 11 #ifndef WEBRTC_ARM_FFT_TEST_GENSIG_H_ 12 #define WEBRTC_ARM_FFT_TEST_GENSIG_H_ 13 14 struct ComplexFloat { 15 float Re; 16 float Im; 17 }; 18 19 /* 20 * Returns the max allowed signal type, depending on whether the test 21 * signal is real or not 22 */ 23 int MaxSignalType(int real_only); 24 25 /* 26 * Generate a test signal and corresponding FFT. 27 */ 28 void GenerateTestSignalAndFFT(struct ComplexFloat* x, 29 struct ComplexFloat* fft, 30 int size, 31 int signal_type, 32 float signal_value, 33 int real_only); 34 35 #endif 36