TestRandom.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_TESTMATH_TEST_RANDOM_H
#define META_OCEAN_TEST_TESTMATH_TEST_RANDOM_H
 
#include "ocean/test/testmath/TestMath.h"
 
#include "ocean/base/RandomGenerator.h"
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestMath
{
 
/**
 * This class tests the performance of the random functionalities.
 * @ingroup testmath
 */
class OCEAN_TEST_MATH_EXPORT TestRandom
{
    public:
 
        /**
         * Executes the entire random 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 performance of the standard random function using a single thread.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testStandardRandomSingleThreaded(const double testDuration);
 
        /**
         * Tests the performance of the standard random function using multiple threads.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testStandardRandomMultiThreaded(const double testDuration);
 
        /**
         * Tests the performance of the Ocean random function using a single thread.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testOceanRandomSingleThreaded(const double testDuration);
 
        /**
         * Tests the performance of the Ocean random function using multiple threads.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testOceanRandomMultiThreaded(const double testDuration);
 
        /**
         * Tests the performance of the standard triple random function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testStandardRandomTriple(const double testDuration);
 
        /**
         * Tests the performance of the Ocean triple random function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testOceanRandomTriple(const double testDuration);
 
        /**
         * Tests the random 3D vector with specified ranges function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testStandardRandomVector3(const double testDuration);
 
        /**
         * Tests the Ocean random 3D vector with specified ranges function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testOceanRandomVector3(const double testDuration);
 
        /**
         * Tests the random euler with specified range function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testStandardRandomEuler(const double testDuration);
 
        /**
         * Tests the Ocean random euler with specified range function.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testOceanRandomEuler(const double testDuration);
    
    private:
 
        /**
         * Calculates random variables for a subset of the given data using the standard random function.
         * @param values Values receiving the random values
         * @param firstValue First value to be handled
         * @param numberValues Number of values to be handled
         */
        static void calculateStandardRandomValues(int* values, const unsigned int firstValue, const unsigned int numberValues);
 
        /**
         * Calculates random variables for a subset of the given data using an own implementation of the random function.
         * @param generator Random number generator used for initialization of the local generator
         * @param values Values receiving the random values
         * @param firstValue First value to be handled
         * @param numberValues Number of values to be handled
         */
        static void calculateOceanRandomValues(RandomGenerator* generator, int* values, const unsigned int firstValue, const unsigned int numberValues);
};
 
}
 
}
 
}
 
#endif // META_OCEAN_TEST_TESTMATH_TEST_RANDOM_H