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// Copyright (C) 2010-2016 Lukas Lalinsky
// Distributed under the MIT license, see the LICENSE file for details.
#include <gtest/gtest.h>
#include "filter.h"
#include "utils/rolling_integral_image.h"
#include "test_utils.h"
namespace chromaprint {
TEST(Filter, Filter0) {
double data[] = {
0.0, 1.0,
2.0, 3.0,
};
RollingIntegralImage integral_image(2, data, data + NELEMS(data));
Filter flt1(0, 0, 1, 1);
ASSERT_FLOAT_EQ(0.0, flt1.Apply(integral_image, 0));
ASSERT_FLOAT_EQ(1.0986123, flt1.Apply(integral_image, 1));
}
}; // namespace chromaprint
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