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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <armnnUtils/FloatingPointComparison.hpp>
#include <boost/test/unit_test.hpp>
using namespace armnnUtils;
BOOST_AUTO_TEST_SUITE(FloatingPointComparisonSuite)
BOOST_AUTO_TEST_CASE(FloatingPointComparisonDefaultTolerance)
{
// 1% range of 1.2 is 1.188 -> 1.212
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(1.2f, 1.17f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(1.2f, 1.213f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(1.2f, 1.189f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(1.2f, 1.210f));
// Exact match
BOOST_TEST(within_percentage_tolerance(1.2f, 1.2f));
// Negative value tests.
BOOST_TEST(!within_percentage_tolerance(-1.2f, -1.17f));
BOOST_TEST(!within_percentage_tolerance(-1.2f, -1.213f));
BOOST_TEST(within_percentage_tolerance(-1.2f, -1.189f));
BOOST_TEST(within_percentage_tolerance(-1.2f, -1.210f));
BOOST_TEST(within_percentage_tolerance(-1.2f, -1.2f));
// Negative & positive tests
BOOST_TEST(!within_percentage_tolerance(1.2f, -1.2f));
BOOST_TEST(!within_percentage_tolerance(-1.2f, 1.2f));
// Negative and positive test with large float values.
BOOST_TEST(!within_percentage_tolerance(3.3E+38f, -1.17549435e38f));
BOOST_TEST(!within_percentage_tolerance(-1.17549435e38f, 3.3E+38f));
// 1% range of 0.04 is 0.0396 -> 0.0404
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(0.04f, 0.039f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(0.04f, 0.04041f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(0.04f, 0.0397f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(0.04f, 0.04039f));
// Exact match
BOOST_TEST(within_percentage_tolerance(0.04f, 0.04f));
}
BOOST_AUTO_TEST_CASE(FloatingPointComparisonLargePositiveNumbersDefaultTolerance)
{
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(3.3E+38f, (3.3E+38f * 0.989f)));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(3.3E+38f, (3.3E+38f * 1.011f)));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(3.3E+38f, (3.3E+38f * 0.992f)));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(3.3E+38f, (3.3E+38f * 1.009f)));
// Exact match
BOOST_TEST(within_percentage_tolerance(3.3E+38f, 3.3E+38f));
}
BOOST_AUTO_TEST_CASE(FloatingPointComparisonLargeNegativeNumbersDefaultTolerance)
{
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(-1.17549435e38f, (-1.17549435e38f * -1.009f)));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(-1.17549435e38f, (-1.17549435e38f * 1.011f)));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(-1.17549435e38f, -1.17549435e38f - (-1.17549435e38f * 0.0099f)));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(-1.17549435e38f, -1.17549435e38f + (-1.17549435e38f * 0.0099f)));
// Exact match
BOOST_TEST(within_percentage_tolerance(-1.17549435e38f, -1.17549435e38f));
}
BOOST_AUTO_TEST_CASE(FloatingPointComparisonSpecifiedTolerance)
{
// 2% range of 1.2 is 1.176 -> 1.224
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(1.2f, 1.175f, 2.0f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(1.2f, 1.226f, 2.0f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(1.2f, 1.18f, 2.0f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(1.2f, 1.22f, 2.0f));
// Exact match.
BOOST_TEST(within_percentage_tolerance(1.2f, 1.2f, 2.0f));
// 5% range of 6.2 is 5.89 -> 6.51
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(6.2f, 5.88f, 5.0f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(6.2f, 6.52f, 5.0f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(6.2f, 5.9f, 5.0f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(6.2f, 6.5f, 5.0f));
// Larger tolerance (unlikely to be used).
BOOST_TEST(within_percentage_tolerance(10.0f, 9.01f, 10.0f));
BOOST_TEST(!within_percentage_tolerance(10.0f, 8.99f, 10.0f));
}
BOOST_AUTO_TEST_CASE(FloatingPointComparisonLargePositiveNumbersSpecifiedTolerance)
{
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(3.3E+38f, (3.3E+38f * 0.979f), 2.0f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(3.3E+38f, (3.3E+38f * 1.021f), 2.0f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(3.3E+38f, (3.3E+38f * 0.982f), 2.0f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(3.3E+38f, (3.3E+38f * 1.019f), 2.0f));
}
BOOST_AUTO_TEST_CASE(FloatingPointComparisonLargeNegativeNumbersSpecifiedTolerance)
{
// Just below tolerance.
BOOST_TEST(!within_percentage_tolerance(-1.17549435e38f, (-1.17549435e38f * -1.019f), 2.0f));
// Just above tolerance.
BOOST_TEST(!within_percentage_tolerance(-1.17549435e38f, (-1.17549435e38f * 1.021f), 2.0f));
// Just inside the lower range.
BOOST_TEST(within_percentage_tolerance(-1.17549435e38f, -1.17549435e38f - (-1.17549435e38f * 0.0089f), 2.0f));
// Just inside the upper range.
BOOST_TEST(within_percentage_tolerance(-1.17549435e38f, -1.17549435e38f + (-1.17549435e38f * 0.0089f), 2.0f));
}
BOOST_AUTO_TEST_SUITE_END()
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