FloatingPointComparisonTest.cpp File Reference

#include <armnnUtils/FloatingPointComparison.hpp>
#include <boost/test/unit_test.hpp>

Go to the source code of this file.

Functions
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonDefaultTolerance)
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonLargePositiveNumbersDefaultTolerance)
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonLargeNegativeNumbersDefaultTolerance)
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonSpecifiedTolerance)
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonLargePositiveNumbersSpecifiedTolerance)
	BOOST_AUTO_TEST_CASE (FloatingPointComparisonLargeNegativeNumbersSpecifiedTolerance)

Function Documentation

BOOST_AUTO_TEST_CASE() [1/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonDefaultTolerance

)

Definition at line 14 of file FloatingPointComparisonTest.cpp.

References armnnUtils::within_percentage_tolerance().

{
    // 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() [2/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonLargePositiveNumbersDefaultTolerance

)

Definition at line 56 of file FloatingPointComparisonTest.cpp.

References armnnUtils::within_percentage_tolerance().

{
    // 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() [3/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonLargeNegativeNumbersDefaultTolerance

)

Definition at line 70 of file FloatingPointComparisonTest.cpp.

References armnnUtils::within_percentage_tolerance().

{
    // 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() [4/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonSpecifiedTolerance

)

Definition at line 84 of file FloatingPointComparisonTest.cpp.

References armnnUtils::within_percentage_tolerance().

{
    // 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() [5/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonLargePositiveNumbersSpecifiedTolerance

)

Definition at line 113 of file FloatingPointComparisonTest.cpp.

References armnnUtils::within_percentage_tolerance().

{
    // 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() [6/6]

BOOST_AUTO_TEST_CASE

(

FloatingPointComparisonLargeNegativeNumbersSpecifiedTolerance

)

Definition at line 125 of file FloatingPointComparisonTest.cpp.

References BOOST_AUTO_TEST_SUITE_END(), and armnnUtils::within_percentage_tolerance().

{
    // 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));
}