mirror of
https://github.com/juce-framework/JUCE.git
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669 lines
26 KiB
C++
669 lines
26 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace SIMDRegister_test_internal
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{
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template <typename type>
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static void fillRandom (type* dst, const int size, Random& random)
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{
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bool is_signed = std::is_signed<type>::value;
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for (int i = 0; i < size; ++i)
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{
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if (is_signed)
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{
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*dst++ = static_cast<type> ((random.nextFloat() * 16.0) - 8.0);
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}
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else
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{
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*dst++ = static_cast<type> (random.nextFloat() * 8.0);
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}
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}
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}
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template <typename type>
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static void fillRandom (std::complex<type>* dst, const int size, Random& random)
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{
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for (int i = 0; i < size; ++i)
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{
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type real, imag;
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real = static_cast<type> ((random.nextFloat() * 16.0) - 8.0);
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imag = static_cast<type> ((random.nextFloat() * 16.0) - 8.0);
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*dst++ = std::complex<type> (real, imag);
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}
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}
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// Avoid visual studio warning
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template <typename type>
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static type safeAbs (type a)
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{
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return static_cast<type> (fabs ((double) a));
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}
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template <typename type>
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static type safeAbs (std::complex<type> a)
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{
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return abs (a);
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}
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template <typename type>
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static double difference (type a)
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{
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return static_cast<double> (safeAbs (a));
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}
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template <typename type>
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static double difference (type a, type b)
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{
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return difference (a - b);
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}
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}
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// These tests need to be strictly run on all platforms supported by JUCE as the
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// SIMD code is highly platform dependant.
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class SIMDRegisterUnitTests : public UnitTest
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{
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public:
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SIMDRegisterUnitTests() : UnitTest ("SIMDRegister UnitTests") {}
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//==============================================================================
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// Some helper classes
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template <typename type>
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static bool allValuesEqualTo (const SIMDRegister<type>& vec, const type scalar)
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{
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// as we do not want to rely on the access operator we cast this to a primitive pointer
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const type* ptr = reinterpret_cast<const type*> (&vec);
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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if (ptr[i] != scalar) return false;
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return true;
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}
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template <typename type>
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static bool vecEqualToArray (const SIMDRegister<type>& vec, const type* array)
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{
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const type* ptr = reinterpret_cast<const type*> (&vec);
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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{
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double delta = SIMDRegister_test_internal::difference (ptr[i], array[i]);
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if (delta > 1e-4)
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{
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DBG ("a: " << SIMDRegister_test_internal::difference (ptr[i]) << " b: " << SIMDRegister_test_internal::difference (array[i]) << " difference: " << delta);
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return false;
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}
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}
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return true;
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}
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template <typename type>
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static void copy (SIMDRegister<type>& vec, const type* ptr)
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{
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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vec[i] = ptr[i];
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}
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//==============================================================================
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// Someuseful operations to test
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struct Addition
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a += b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a + b;
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}
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};
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struct Subtraction
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a -= b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a - b;
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}
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};
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struct Multiplication
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a *= b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a * b;
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}
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};
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struct BitAND
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a &= b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a & b;
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}
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};
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struct BitOR
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a |= b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a | b;
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}
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};
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struct BitXOR
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{
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template <typename typeOne, typename typeTwo>
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static void inplace (typeOne& a, const typeTwo& b)
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{
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a ^= b;
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}
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template <typename typeOne, typename typeTwo>
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static typeOne outofplace (const typeOne& a, const typeTwo& b)
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{
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return a ^ b;
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}
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};
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//==============================================================================
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// the individual tests
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struct InitializationTest
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{
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template <typename type>
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static void run (UnitTest& u, Random& random)
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{
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u.expect (allValuesEqualTo<type> (SIMDRegister<type>::expand (static_cast<type> (23)), 23));
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{
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SIMDRegister<type> a;
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type* ptr = reinterpret_cast<type*>(&a);
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SIMDRegister_test_internal::fillRandom (ptr, SIMDRegister<type>::SIMDNumElements, random);
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u.expect (vecEqualToArray (SIMDRegister<type> (a), ptr));
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}
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}
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};
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struct AccessTest
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{
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template <typename type>
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static void run (UnitTest& u, Random& random)
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{
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// set-up
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SIMDRegister<type> a;
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type array [SIMDRegister<type>::SIMDNumElements];
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SIMDRegister_test_internal::fillRandom (array, SIMDRegister<type>::SIMDNumElements, random);
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// Test non-const access operator
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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a[i] = array[i];
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u.expect (vecEqualToArray (a, array));
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// Test const access operator
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const SIMDRegister<type>& b = a;
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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u.expect (b[i] == array[i]);
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}
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};
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template <class Operation>
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struct OperatorTests
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{
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template <typename type>
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static void run (UnitTest& u, Random& random)
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{
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for (int n = 0; n < 100; ++n)
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{
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// set-up
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SIMDRegister<type> a, b, c;
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type array_a [SIMDRegister<type>::SIMDNumElements];
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type array_b [SIMDRegister<type>::SIMDNumElements];
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type array_c [SIMDRegister<type>::SIMDNumElements];
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SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, array_a); copy (b, array_b); copy (c, array_c);
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// test in-place with both params being vectors
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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Operation::template inplace<type, type> (array_a[i], array_b[i]);
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Operation::template inplace<SIMDRegister<type>, SIMDRegister<type> > (a, b);
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u.expect (vecEqualToArray (a, array_a));
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u.expect (vecEqualToArray (b, array_b));
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SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, array_a); copy (b, array_b); copy (c, array_c);
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// test in-place with one param being scalar
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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Operation::template inplace<type, type> (array_b[i], static_cast<type> (2));
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Operation::template inplace<SIMDRegister<type>, type> (b, 2);
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u.expect (vecEqualToArray (a, array_a));
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u.expect (vecEqualToArray (b, array_b));
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// set-up again
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SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, array_a); copy (b, array_b); copy (c, array_c);
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// test out-of-place with both params being vectors
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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array_c[i] = Operation::template outofplace<type, type> (array_a[i], array_b[i]);
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c = Operation::template outofplace<SIMDRegister<type>, SIMDRegister<type> > (a, b);
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u.expect (vecEqualToArray (a, array_a));
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u.expect (vecEqualToArray (b, array_b));
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u.expect (vecEqualToArray (c, array_c));
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// test out-of-place with one param being scalar
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for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
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array_c[i] = Operation::template outofplace<type, type> (array_b[i], static_cast<type> (2));
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c = Operation::template outofplace<SIMDRegister<type>, type> (b, 2);
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u.expect (vecEqualToArray (a, array_a));
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u.expect (vecEqualToArray (b, array_b));
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u.expect (vecEqualToArray (c, array_c));
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}
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}
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};
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template <class Operation>
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struct BitOperatorTests
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{
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template <typename type>
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static void run (UnitTest& u, Random& random)
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{
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typedef typename SIMDRegister<type>::vMaskType vMaskType;
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typedef typename SIMDRegister<type>::MaskType MaskType;
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for (int n = 0; n < 100; ++n)
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{
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// Check flip sign bit and using as a union
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{
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type array_a [SIMDRegister<type>::SIMDNumElements];
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union
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{
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SIMDRegister<type> floatVersion;
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vMaskType intVersion;
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} a, b;
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vMaskType bitmask = vMaskType::expand (static_cast<MaskType> (1) << (sizeof (MaskType) - 1));
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SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
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copy (a.floatVersion, array_a);
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copy (b.floatVersion, array_a);
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Operation::template inplace<SIMDRegister<type>, vMaskType> (a.floatVersion, bitmask);
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Operation::template inplace<vMaskType, vMaskType> (b.intVersion, bitmask);
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u.expect (vecEqualToArray (a.floatVersion, reinterpret_cast<const type*> (&b.floatVersion)));
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}
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// set-up
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SIMDRegister<type> a, c;
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vMaskType b;
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MaskType array_a [SIMDRegister<MaskType>::SIMDNumElements];
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MaskType array_b [SIMDRegister<MaskType>::SIMDNumElements];
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MaskType array_c [SIMDRegister<MaskType>::SIMDNumElements];
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type* conv_a = reinterpret_cast<type*> (array_a);
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type* conv_c = reinterpret_cast<type*> (array_c);
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SIMDRegister_test_internal::fillRandom (conv_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<MaskType>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (conv_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, conv_a); copy (b, array_b); copy (c, conv_c);
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// test in-place with both params being vectors
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for (size_t i = 0; i < SIMDRegister<MaskType>::SIMDNumElements; ++i)
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Operation::template inplace<MaskType, MaskType> (array_a[i], array_b[i]);
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Operation::template inplace<SIMDRegister<type>, vMaskType> (a, b);
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u.expect (vecEqualToArray (a, conv_a));
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u.expect (vecEqualToArray (b, array_b));
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SIMDRegister_test_internal::fillRandom (conv_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<MaskType>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (conv_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, conv_a); copy (b, array_b); copy (c, conv_c);
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// test in-place with one param being scalar
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for (size_t i = 0; i < SIMDRegister<MaskType>::SIMDNumElements; ++i)
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Operation::template inplace<MaskType, MaskType> (array_a[i], static_cast<MaskType> (9));
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Operation::template inplace<SIMDRegister<type>, MaskType> (a, static_cast<MaskType> (9));
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u.expect (vecEqualToArray (a, conv_a));
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u.expect (vecEqualToArray (b, array_b));
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// set-up again
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SIMDRegister_test_internal::fillRandom (conv_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<MaskType>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (conv_c, SIMDRegister<type>::SIMDNumElements, random);
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copy (a, conv_a); copy (b, array_b); copy (c, conv_c);
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// test out-of-place with both params being vectors
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for (size_t i = 0; i < SIMDRegister<MaskType>::SIMDNumElements; ++i)
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{
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array_c[i] =
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Operation::template outofplace<MaskType, MaskType> (array_a[i], array_b[i]);
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}
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c = Operation::template outofplace<SIMDRegister<type>, vMaskType> (a, b);
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u.expect (vecEqualToArray (a, conv_a));
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u.expect (vecEqualToArray (b, array_b));
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u.expect (vecEqualToArray (c, conv_c));
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// test out-of-place with one param being scalar
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for (size_t i = 0; i < SIMDRegister<MaskType>::SIMDNumElements; ++i)
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array_c[i] = Operation::template outofplace<MaskType, MaskType> (array_a[i], static_cast<MaskType> (9));
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c = Operation::template outofplace<SIMDRegister<type>, MaskType> (a, static_cast<MaskType> (9));
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u.expect (vecEqualToArray (a, conv_a));
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u.expect (vecEqualToArray (b, array_b));
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u.expect (vecEqualToArray (c, conv_c));
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}
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}
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};
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struct CheckComparisonOps
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{
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template <typename type>
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static void run (UnitTest& u, Random& random)
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{
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typedef typename SIMDRegister<type>::vMaskType vMaskType;
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typedef typename SIMDRegister<type>::MaskType MaskType;
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for (int i = 0; i < 100; ++i)
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{
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// set-up
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type array_a [SIMDRegister<type>::SIMDNumElements];
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type array_b [SIMDRegister<type>::SIMDNumElements];
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MaskType array_eq [SIMDRegister<type>::SIMDNumElements];
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MaskType array_neq [SIMDRegister<type>::SIMDNumElements];
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MaskType array_lt [SIMDRegister<type>::SIMDNumElements];
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MaskType array_le [SIMDRegister<type>::SIMDNumElements];
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MaskType array_gt [SIMDRegister<type>::SIMDNumElements];
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MaskType array_ge [SIMDRegister<type>::SIMDNumElements];
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SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
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SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<type>::SIMDNumElements, random);
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// do check
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for (size_t j = 0; j < SIMDRegister<type>::SIMDNumElements; ++j)
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{
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array_eq [j] = (array_a[j] == array_b[j]) ? static_cast<MaskType> (-1) : 0;
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array_neq [j] = (array_a[j] != array_b[j]) ? static_cast<MaskType> (-1) : 0;
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array_lt [j] = (array_a[j] < array_b[j]) ? static_cast<MaskType> (-1) : 0;
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array_le [j] = (array_a[j] <= array_b[j]) ? static_cast<MaskType> (-1) : 0;
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array_gt [j] = (array_a[j] > array_b[j]) ? static_cast<MaskType> (-1) : 0;
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array_ge [j] = (array_a[j] >= array_b[j]) ? static_cast<MaskType> (-1) : 0;
|
|
}
|
|
|
|
SIMDRegister<type> a, b;
|
|
vMaskType eq, neq, lt, le, gt, ge;
|
|
|
|
copy (a, array_a);
|
|
copy (b, array_b);
|
|
|
|
eq = SIMDRegister<type>::equal (a, b);
|
|
neq = SIMDRegister<type>::notEqual (a, b);
|
|
lt = SIMDRegister<type>::lessThan (a, b);
|
|
le = SIMDRegister<type>::lessThanOrEqual (a, b);
|
|
gt = SIMDRegister<type>::greaterThan (a, b);
|
|
ge = SIMDRegister<type>::greaterThanOrEqual (a, b);
|
|
|
|
u.expect (vecEqualToArray (eq, array_eq ));
|
|
u.expect (vecEqualToArray (neq, array_neq));
|
|
u.expect (vecEqualToArray (lt, array_lt ));
|
|
u.expect (vecEqualToArray (le, array_le ));
|
|
u.expect (vecEqualToArray (gt, array_gt ));
|
|
u.expect (vecEqualToArray (ge, array_ge ));
|
|
}
|
|
}
|
|
};
|
|
|
|
struct CheckMultiplyAdd
|
|
{
|
|
template <typename type>
|
|
static void run (UnitTest& u, Random& random)
|
|
{
|
|
// set-up
|
|
type array_a [SIMDRegister<type>::SIMDNumElements];
|
|
type array_b [SIMDRegister<type>::SIMDNumElements];
|
|
type array_c [SIMDRegister<type>::SIMDNumElements];
|
|
type array_d [SIMDRegister<type>::SIMDNumElements];
|
|
|
|
SIMDRegister_test_internal::fillRandom (array_a, SIMDRegister<type>::SIMDNumElements, random);
|
|
SIMDRegister_test_internal::fillRandom (array_b, SIMDRegister<type>::SIMDNumElements, random);
|
|
SIMDRegister_test_internal::fillRandom (array_c, SIMDRegister<type>::SIMDNumElements, random);
|
|
SIMDRegister_test_internal::fillRandom (array_d, SIMDRegister<type>::SIMDNumElements, random);
|
|
|
|
// check
|
|
for (size_t i = 0; i < SIMDRegister<type>::SIMDNumElements; ++i)
|
|
array_d[i] = array_a[i] + (array_b[i] * array_c[i]);
|
|
|
|
SIMDRegister<type> a, b, c, d;
|
|
|
|
copy (a, array_a);
|
|
copy (b, array_b);
|
|
copy (c, array_c);
|
|
|
|
d = SIMDRegister<type>::multiplyAdd (a, b, c);
|
|
|
|
u.expect (vecEqualToArray (d, array_d));
|
|
}
|
|
};
|
|
|
|
struct CheckMinMax
|
|
{
|
|
template <typename type>
|
|
static void run (UnitTest& u, Random& random)
|
|
{
|
|
for (int i = 0; i < 100; ++i)
|
|
{
|
|
type array_a [SIMDRegister<type>::SIMDNumElements];
|
|
type array_b [SIMDRegister<type>::SIMDNumElements];
|
|
type array_min [SIMDRegister<type>::SIMDNumElements];
|
|
type array_max [SIMDRegister<type>::SIMDNumElements];
|
|
|
|
for (size_t j = 0; j < SIMDRegister<type>::SIMDNumElements; ++j)
|
|
{
|
|
array_a[j] = static_cast<type> (random.nextInt (127));
|
|
array_b[j] = static_cast<type> (random.nextInt (127));
|
|
}
|
|
|
|
for (size_t j = 0; j < SIMDRegister<type>::SIMDNumElements; ++j)
|
|
{
|
|
array_min[j] = (array_a[j] < array_b[j]) ? array_a[j] : array_b[j];
|
|
array_max[j] = (array_a[j] > array_b[j]) ? array_a[j] : array_b[j];
|
|
}
|
|
|
|
SIMDRegister<type> a, b, vMin, vMax;
|
|
|
|
copy (a, array_a);
|
|
copy (b, array_b);
|
|
|
|
vMin = jmin (a, b);
|
|
vMax = jmax (a, b);
|
|
|
|
u.expect (vecEqualToArray (vMin, array_min));
|
|
u.expect (vecEqualToArray (vMax, array_max));
|
|
|
|
copy (vMin, array_a);
|
|
copy (vMax, array_a);
|
|
|
|
vMin = SIMDRegister<type>::min (a, b);
|
|
vMax = SIMDRegister<type>::max (a, b);
|
|
|
|
u.expect (vecEqualToArray (vMin, array_min));
|
|
u.expect (vecEqualToArray (vMax, array_max));
|
|
}
|
|
}
|
|
};
|
|
|
|
struct CheckSum
|
|
{
|
|
template <typename type>
|
|
static void run (UnitTest& u, Random& random)
|
|
{
|
|
type array [SIMDRegister<type>::SIMDNumElements];
|
|
type sumCheck = 0;
|
|
|
|
SIMDRegister_test_internal::fillRandom (array, SIMDRegister<type>::SIMDNumElements, random);
|
|
|
|
for (size_t j = 0; j < SIMDRegister<type>::SIMDNumElements; ++j)
|
|
{
|
|
sumCheck += array[j];
|
|
}
|
|
|
|
SIMDRegister<type> a;
|
|
copy (a, array);
|
|
|
|
u.expect (SIMDRegister_test_internal::difference (sumCheck, a.sum()) < 1e-4);
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
template <class TheTest>
|
|
void runTestForAllTypes (const char* unitTestName)
|
|
{
|
|
beginTest (unitTestName);
|
|
|
|
Random random = getRandom();
|
|
|
|
TheTest::template run<float> (*this, random);
|
|
TheTest::template run<double> (*this, random);
|
|
TheTest::template run<int8_t> (*this, random);
|
|
TheTest::template run<uint8_t> (*this, random);
|
|
TheTest::template run<int16_t> (*this, random);
|
|
TheTest::template run<uint16_t>(*this, random);
|
|
TheTest::template run<int32_t> (*this, random);
|
|
TheTest::template run<uint32_t>(*this, random);
|
|
TheTest::template run<int64_t> (*this, random);
|
|
TheTest::template run<uint64_t>(*this, random);
|
|
TheTest::template run<std::complex<float> > (*this, random);
|
|
TheTest::template run<std::complex<double>> (*this, random);
|
|
}
|
|
|
|
template <class TheTest>
|
|
void runTestNonComplex (const char* unitTestName)
|
|
{
|
|
beginTest (unitTestName);
|
|
|
|
Random random = getRandom();
|
|
|
|
TheTest::template run<float> (*this, random);
|
|
TheTest::template run<double> (*this, random);
|
|
TheTest::template run<int8_t> (*this, random);
|
|
TheTest::template run<uint8_t> (*this, random);
|
|
TheTest::template run<int16_t> (*this, random);
|
|
TheTest::template run<uint16_t>(*this, random);
|
|
TheTest::template run<int32_t> (*this, random);
|
|
TheTest::template run<uint32_t>(*this, random);
|
|
TheTest::template run<int64_t> (*this, random);
|
|
TheTest::template run<uint64_t>(*this, random);
|
|
}
|
|
|
|
void runTest()
|
|
{
|
|
runTestForAllTypes<InitializationTest> ("InitializationTest");
|
|
|
|
runTestForAllTypes<AccessTest> ("AccessTest");
|
|
|
|
runTestForAllTypes<OperatorTests<Addition> > ("AdditionOperators");
|
|
runTestForAllTypes<OperatorTests<Subtraction> > ("SubtractionOperators");
|
|
runTestForAllTypes<OperatorTests<Multiplication> > ("MultiplicationOperators");
|
|
|
|
runTestForAllTypes<BitOperatorTests<BitAND> > ("BitANDOperators");
|
|
runTestForAllTypes<BitOperatorTests<BitOR> > ("BitOROperators");
|
|
runTestForAllTypes<BitOperatorTests<BitXOR> > ("BitXOROperators");
|
|
|
|
runTestNonComplex<CheckComparisonOps> ("CheckComparisons");
|
|
runTestNonComplex<CheckMinMax> ("CheckMinMax");
|
|
|
|
runTestForAllTypes<CheckMultiplyAdd> ("CheckMultiplyAdd");
|
|
runTestForAllTypes<CheckSum> ("CheckSum");
|
|
}
|
|
};
|
|
|
|
static SIMDRegisterUnitTests SIMDRegisterUnitTests;
|