TestFrameInterpolatorBilinearNEON.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_TEST_TESTCV_TEST_FRAME_INTERPOLATOR_BILINEAR_NEON_H
#define META_OCEAN_TEST_TESTCV_TEST_FRAME_INTERPOLATOR_BILINEAR_NEON_H
 
#include "ocean/test/testcv/TestCV.h"
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestCV
{
 
/**
 * This class implements tests for the NEON-accelerated bilinear interpolation functions.
 * @ingroup testcv
 */
class OCEAN_TEST_CV_EXPORT TestFrameInterpolatorBilinearNEON
{
    public:
 
        /**
         * Invokes all NEON interpolation tests.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool test(const double testDuration);
 
        /**
         * Tests the correctness of interpolate4Pixels8BitPerChannelNEON<4u> against a scalar reference.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testInterpolate4Pixels8BitPerChannel4NEON(const double testDuration);
 
        /**
         * Tests the correctness of interpolate4Pixels4Channel8BitPerChannelNEON against a scalar reference.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testInterpolate4Pixels4Channel8BitPerChannelNEON(const double testDuration);
 
        /**
         * Benchmarks and compares the speed of the two 4-channel NEON interpolation functions.
         * @param testDuration Number of seconds for the benchmark, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testInterpolate4Pixels4ChannelNEONSpeedComparison(const double testDuration);
 
        /**
         * Tests that lookup8BitPerChannelSubsetNEON produces identical results with useOptimizedNEON=true and useOptimizedNEON=false for 4 channels.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testLookup4ChannelOptimizedNEONConsistency(const double testDuration);
 
        /**
         * Tests all four combinations of useOptimizedNEON and useOptimizedBilinearValuesAndFactorCalculation, verifying output consistency and comparing performance.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testLookup4ChannelOptimizedNEONAndBilinearFlags(const double testDuration);
 
        /**
         * Tests all six meaningful combinations of useOptimizedNEON, useOptimizedBilinearValuesAndFactorCalculation, and useOptimizedNEONFactorReplication, verifying output consistency and comparing performance.
         * The two [useOptimizedNEON=false, useOptimizedNEONFactorReplication=true] combinations are omitted because useOptimizedNEONFactorReplication only takes effect when useOptimizedNEON=true.
         * @param testDuration Number of seconds for each combination, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testLookup4ChannelOptimizedNEONBilinearAndFactorReplicationFlags(const double testDuration);
};
 
}
 
}
 
}
 
#endif // META_OCEAN_TEST_TESTCV_TEST_FRAME_INTERPOLATOR_BILINEAR_NEON_H