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/*
* Copyright (c) 2014 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_MODULES_AUDIO_PROCESSING_BEAMFORMER_MATRIX_TEST_HELPERS_H_
#define WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_MATRIX_TEST_HELPERS_H_
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/modules/audio_processing/beamformer/complex_matrix.h"
#include "webrtc/modules/audio_processing/beamformer/matrix.h"
namespace {
const float kTolerance = 0.001f;
}
namespace webrtc {
using std::complex;
// Functions used in both matrix_unittest and complex_matrix_unittest.
class MatrixTestHelpers {
public:
template <typename T>
static void ValidateMatrixEquality(const Matrix<T>& expected,
const Matrix<T>& actual) {
EXPECT_EQ(expected.num_rows(), actual.num_rows());
EXPECT_EQ(expected.num_columns(), actual.num_columns());
const T* const* expected_elements = expected.elements();
const T* const* actual_elements = actual.elements();
for (size_t i = 0; i < expected.num_rows(); ++i) {
for (size_t j = 0; j < expected.num_columns(); ++j) {
EXPECT_EQ(expected_elements[i][j], actual_elements[i][j]);
}
}
}
static void ValidateMatrixEqualityFloat(const Matrix<float>& expected,
const Matrix<float>& actual) {
EXPECT_EQ(expected.num_rows(), actual.num_rows());
EXPECT_EQ(expected.num_columns(), actual.num_columns());
const float* const* expected_elements = expected.elements();
const float* const* actual_elements = actual.elements();
for (size_t i = 0; i < expected.num_rows(); ++i) {
for (size_t j = 0; j < expected.num_columns(); ++j) {
EXPECT_NEAR(expected_elements[i][j], actual_elements[i][j], kTolerance);
}
}
}
static void ValidateMatrixEqualityComplexFloat(
const Matrix<complex<float> >& expected,
const Matrix<complex<float> >& actual) {
EXPECT_EQ(expected.num_rows(), actual.num_rows());
EXPECT_EQ(expected.num_columns(), actual.num_columns());
const complex<float>* const* expected_elements = expected.elements();
const complex<float>* const* actual_elements = actual.elements();
for (size_t i = 0; i < expected.num_rows(); ++i) {
for (size_t j = 0; j < expected.num_columns(); ++j) {
EXPECT_NEAR(expected_elements[i][j].real(),
actual_elements[i][j].real(),
kTolerance);
EXPECT_NEAR(expected_elements[i][j].imag(),
actual_elements[i][j].imag(),
kTolerance);
}
}
}
static void ValidateMatrixNearEqualityComplexFloat(
const Matrix<complex<float> >& expected,
const Matrix<complex<float> >& actual,
float tolerance) {
EXPECT_EQ(expected.num_rows(), actual.num_rows());
EXPECT_EQ(expected.num_columns(), actual.num_columns());
const complex<float>* const* expected_elements = expected.elements();
const complex<float>* const* actual_elements = actual.elements();
for (size_t i = 0; i < expected.num_rows(); ++i) {
for (size_t j = 0; j < expected.num_columns(); ++j) {
EXPECT_NEAR(expected_elements[i][j].real(),
actual_elements[i][j].real(),
tolerance);
EXPECT_NEAR(expected_elements[i][j].imag(),
actual_elements[i][j].imag(),
tolerance);
}
}
}
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_MATRIX_TEST_HELPERS_H_
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