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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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39 } | 39 } |
40 | 40 |
41 TEST(RealFourierStaticsTest, OrderComputation) { | 41 TEST(RealFourierStaticsTest, OrderComputation) { |
42 EXPECT_EQ(4, RealFourier::FftOrder(13)); | 42 EXPECT_EQ(4, RealFourier::FftOrder(13)); |
43 EXPECT_EQ(5, RealFourier::FftOrder(32)); | 43 EXPECT_EQ(5, RealFourier::FftOrder(32)); |
44 EXPECT_EQ(1, RealFourier::FftOrder(2)); | 44 EXPECT_EQ(1, RealFourier::FftOrder(2)); |
45 EXPECT_EQ(0, RealFourier::FftOrder(1)); | 45 EXPECT_EQ(0, RealFourier::FftOrder(1)); |
46 } | 46 } |
47 | 47 |
48 TEST(RealFourierStaticsTest, ComplexLengthComputation) { | 48 TEST(RealFourierStaticsTest, ComplexLengthComputation) { |
49 EXPECT_EQ(2, RealFourier::ComplexLength(1)); | 49 EXPECT_EQ(2U, RealFourier::ComplexLength(1)); |
50 EXPECT_EQ(3, RealFourier::ComplexLength(2)); | 50 EXPECT_EQ(3U, RealFourier::ComplexLength(2)); |
51 EXPECT_EQ(5, RealFourier::ComplexLength(3)); | 51 EXPECT_EQ(5U, RealFourier::ComplexLength(3)); |
52 EXPECT_EQ(9, RealFourier::ComplexLength(4)); | 52 EXPECT_EQ(9U, RealFourier::ComplexLength(4)); |
53 EXPECT_EQ(17, RealFourier::ComplexLength(5)); | 53 EXPECT_EQ(17U, RealFourier::ComplexLength(5)); |
54 EXPECT_EQ(65, RealFourier::ComplexLength(7)); | 54 EXPECT_EQ(65U, RealFourier::ComplexLength(7)); |
55 } | 55 } |
56 | 56 |
57 template <typename T> | 57 template <typename T> |
58 class RealFourierTest : public ::testing::Test { | 58 class RealFourierTest : public ::testing::Test { |
59 protected: | 59 protected: |
60 RealFourierTest() | 60 RealFourierTest() |
61 : rf_(2), | 61 : rf_(2), |
62 real_buffer_(RealFourier::AllocRealBuffer(4)), | 62 real_buffer_(RealFourier::AllocRealBuffer(4)), |
63 cplx_buffer_(RealFourier::AllocCplxBuffer(3)) {} | 63 cplx_buffer_(RealFourier::AllocCplxBuffer(3)) {} |
64 | 64 |
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101 this->rf_.Inverse(this->cplx_buffer_.get(), this->real_buffer_.get()); | 101 this->rf_.Inverse(this->cplx_buffer_.get(), this->real_buffer_.get()); |
102 | 102 |
103 EXPECT_NEAR(this->real_buffer_[0], 1.0f, 1e-8f); | 103 EXPECT_NEAR(this->real_buffer_[0], 1.0f, 1e-8f); |
104 EXPECT_NEAR(this->real_buffer_[1], 2.0f, 1e-8f); | 104 EXPECT_NEAR(this->real_buffer_[1], 2.0f, 1e-8f); |
105 EXPECT_NEAR(this->real_buffer_[2], 3.0f, 1e-8f); | 105 EXPECT_NEAR(this->real_buffer_[2], 3.0f, 1e-8f); |
106 EXPECT_NEAR(this->real_buffer_[3], 4.0f, 1e-8f); | 106 EXPECT_NEAR(this->real_buffer_[3], 4.0f, 1e-8f); |
107 } | 107 } |
108 | 108 |
109 } // namespace webrtc | 109 } // namespace webrtc |
110 | 110 |
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