mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 09:59:12 +00:00
d967205817
Previously, each device adapter implementation had their own version of this test by including a common header. Simplify this by making a single test in UnitTests_vtkm_cont_testing, which can now be compiled for and tested on a device.
216 lines
5.6 KiB
C++
216 lines
5.6 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#include <vtkm/Types.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleTransform.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/TryExecute.h>
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#include <vtkm/cont/VirtualObjectHandle.h>
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#include <vtkm/cont/testing/Testing.h>
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#ifdef VTKM_NO_DEPRECATED_VIRTUAL
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#error "This test should be disabled if the VTKm_NO_DEPRECATED_VIRTUAL is true."
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#endif //VTKM_NO_DEPRECATED_VIRTUAL
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VTKM_DEPRECATED_SUPPRESS_BEGIN
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#define ARRAY_LEN 8
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namespace
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{
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class Transformer : public vtkm::VirtualObjectBase
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{
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public:
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VTKM_EXEC
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virtual vtkm::FloatDefault Eval(vtkm::FloatDefault val) const = 0;
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};
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class Square : public Transformer
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{
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public:
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VTKM_EXEC
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vtkm::FloatDefault Eval(vtkm::FloatDefault val) const override { return val * val; }
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};
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class Multiply : public Transformer
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{
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public:
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VTKM_CONT
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void SetMultiplicand(vtkm::FloatDefault val)
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{
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this->Multiplicand = val;
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this->Modified();
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}
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VTKM_CONT
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vtkm::FloatDefault GetMultiplicand() const { return this->Multiplicand; }
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VTKM_EXEC
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vtkm::FloatDefault Eval(vtkm::FloatDefault val) const override
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{
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return val * this->Multiplicand;
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}
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private:
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vtkm::FloatDefault Multiplicand = 0.0f;
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};
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class TransformerFunctor
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{
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public:
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TransformerFunctor() = default;
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explicit TransformerFunctor(const Transformer* impl)
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: Impl(impl)
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{
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}
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VTKM_EXEC
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vtkm::FloatDefault operator()(vtkm::FloatDefault val) const { return this->Impl->Eval(val); }
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private:
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const Transformer* Impl;
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};
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using FloatArrayHandle = vtkm::cont::ArrayHandle<vtkm::FloatDefault>;
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using ArrayTransform = vtkm::cont::ArrayHandleTransform<FloatArrayHandle, TransformerFunctor>;
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using TransformerHandle = vtkm::cont::VirtualObjectHandle<Transformer>;
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class TestStage1
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{
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public:
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TestStage1(const FloatArrayHandle& input, TransformerHandle& handle)
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: Input(&input)
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, Handle(&handle)
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{
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}
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template <typename DeviceAdapter>
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bool operator()(DeviceAdapter device) const
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{
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using Algorithm = vtkm::cont::DeviceAdapterAlgorithm<DeviceAdapter>;
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std::cout << "\tDeviceAdapter: " << vtkm::cont::DeviceAdapterTraits<DeviceAdapter>::GetName()
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<< std::endl;
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for (int n = 0; n < 2; ++n)
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{
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vtkm::cont::Token token;
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TransformerFunctor tfnctr(this->Handle->PrepareForExecution(device, token));
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ArrayTransform transformed(*this->Input, tfnctr);
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FloatArrayHandle output;
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Algorithm::Copy(transformed, output);
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auto portal = output.ReadPortal();
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for (vtkm::Id i = 0; i < ARRAY_LEN; ++i)
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{
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vtkm::FloatDefault expected = TestValue(i, vtkm::FloatDefault{});
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expected = expected * expected;
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VTKM_TEST_ASSERT(
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test_equal(portal.Get(i), expected), "Expected ", expected, " but got ", portal.Get(i));
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}
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std::cout << "\tSuccess." << std::endl;
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if (n == 0)
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{
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std::cout << "\tReleaseResources and test again..." << std::endl;
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this->Handle->ReleaseExecutionResources();
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}
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}
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return true;
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}
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private:
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const FloatArrayHandle* Input;
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TransformerHandle* Handle;
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};
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class TestStage2
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{
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public:
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TestStage2(const FloatArrayHandle& input, Multiply& mul, TransformerHandle& handle)
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: Input(&input)
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, Mul(&mul)
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, Handle(&handle)
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{
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}
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template <typename DeviceAdapter>
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bool operator()(DeviceAdapter device) const
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{
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using Algorithm = vtkm::cont::DeviceAdapterAlgorithm<DeviceAdapter>;
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std::cout << "\tDeviceAdapter: " << vtkm::cont::DeviceAdapterTraits<DeviceAdapter>::GetName()
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<< std::endl;
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this->Mul->SetMultiplicand(2);
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for (int n = 0; n < 2; ++n)
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{
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vtkm::cont::Token token;
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TransformerFunctor tfnctr(this->Handle->PrepareForExecution(device, token));
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ArrayTransform transformed(*this->Input, tfnctr);
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FloatArrayHandle output;
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Algorithm::Copy(transformed, output);
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auto portal = output.ReadPortal();
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for (vtkm::Id i = 0; i < ARRAY_LEN; ++i)
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{
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vtkm::FloatDefault expected =
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TestValue(i, vtkm::FloatDefault{}) * this->Mul->GetMultiplicand();
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VTKM_TEST_ASSERT(
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test_equal(portal.Get(i), expected), "Expected ", expected, " but got ", portal.Get(i));
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}
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std::cout << "\tSuccess." << std::endl;
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if (n == 0)
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{
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std::cout << "\tUpdate and test again..." << std::endl;
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this->Mul->SetMultiplicand(3);
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}
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}
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return true;
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}
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private:
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const FloatArrayHandle* Input;
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Multiply* Mul;
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TransformerHandle* Handle;
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};
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void Run()
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{
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> input;
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input.Allocate(ARRAY_LEN);
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SetPortal(input.WritePortal());
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TransformerHandle handle;
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std::cout << "Testing with concrete type 1 (Square)..." << std::endl;
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Square sqr;
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handle.Reset(&sqr, false);
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vtkm::cont::TryExecute(TestStage1(input, handle));
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std::cout << "ReleaseResources..." << std::endl;
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handle.ReleaseResources();
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std::cout << "Testing with concrete type 2 (Multiply)..." << std::endl;
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Multiply mul;
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handle.Reset(&mul, false);
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vtkm::cont::TryExecute(TestStage2(input, mul, handle));
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}
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} // anonymous namespace
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VTKM_DEPRECATED_SUPPRESS_END
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int UnitTestVirtualObjectHandle(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(Run, argc, argv);
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}
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