mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
291 lines
9.1 KiB
C++
291 lines
9.1 KiB
C++
//=============================================================================
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//
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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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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//
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//=============================================================================
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#include <vtkm/cont/ArrayHandlePermutation.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleImplicit.h>
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/cont/StorageBasic.h>
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#include <vtkm/exec/FunctorBase.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vector>
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namespace {
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const vtkm::Id ARRAY_SIZE = 10;
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struct DoubleIndexFunctor {
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VTKM_EXEC_CONT_EXPORT
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vtkm::Id operator()(vtkm::Id index) const {
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return 2*index;
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}
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};
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typedef vtkm::cont::ArrayHandleImplicit<vtkm::Id, DoubleIndexFunctor>
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DoubleIndexArrayType;
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template<typename PermutedPortalType>
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struct CheckPermutationFunctor : vtkm::exec::FunctorBase
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{
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PermutedPortalType PermutedPortal;
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VTKM_EXEC_EXPORT
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void operator()(vtkm::Id index) const {
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typedef typename PermutedPortalType::ValueType T;
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T value = this->PermutedPortal.Get(index);
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vtkm::Id permutedIndex = 2*index;
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T expectedValue = TestValue(permutedIndex, T());
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if (!test_equal(value, expectedValue)) {
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this->RaiseError("Encountered bad transformed value.");
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}
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}
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};
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template<typename PermutedArrayHandleType,
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typename Device>
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VTKM_CONT_EXPORT
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CheckPermutationFunctor<
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typename PermutedArrayHandleType::template ExecutionTypes<Device>::PortalConst>
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make_CheckPermutationFunctor(const PermutedArrayHandleType &permutedArray,
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Device)
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{
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typedef typename PermutedArrayHandleType::template ExecutionTypes<Device>::PortalConst PermutedPortalType;
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CheckPermutationFunctor<PermutedPortalType> functor;
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functor.PermutedPortal = permutedArray.PrepareForInput(Device());
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return functor;
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}
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template<typename PermutedPortalType>
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struct InPlacePermutationFunctor : vtkm::exec::FunctorBase
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{
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PermutedPortalType PermutedPortal;
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VTKM_EXEC_EXPORT
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void operator()(vtkm::Id index) const {
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typedef typename PermutedPortalType::ValueType T;
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T value = this->PermutedPortal.Get(index);
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value = value + T(1000);
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this->PermutedPortal.Set(index, value);
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}
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};
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template<typename PermutedArrayHandleType,
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typename Device>
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VTKM_CONT_EXPORT
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InPlacePermutationFunctor<
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typename PermutedArrayHandleType::template ExecutionTypes<Device>::Portal>
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make_InPlacePermutationFunctor(PermutedArrayHandleType &permutedArray,
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Device)
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{
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typedef typename PermutedArrayHandleType::template ExecutionTypes<Device>::Portal PermutedPortalType;
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InPlacePermutationFunctor<PermutedPortalType> functor;
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functor.PermutedPortal = permutedArray.PrepareForInPlace(Device());
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return functor;
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}
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template<typename PortalType>
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VTKM_CONT_EXPORT
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void CheckInPlaceResult(PortalType portal)
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{
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typedef typename PortalType::ValueType T;
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for (vtkm::Id permutedIndex = 0;
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permutedIndex < 2*ARRAY_SIZE;
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permutedIndex++)
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{
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if (permutedIndex%2 == 0)
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{
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// This index was part of the permuted array; has a value changed
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T expectedValue = TestValue(permutedIndex, T()) + T(1000);
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T retrievedValue = portal.Get(permutedIndex );
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted set unexpected value.");
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}
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else
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{
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// This index was not part of the permuted array; has original value
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T expectedValue = TestValue(permutedIndex, T());
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T retrievedValue = portal.Get(permutedIndex );
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted array modified value it should not have.");
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}
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}
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}
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template<typename PermutedPortalType>
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struct OutputPermutationFunctor : vtkm::exec::FunctorBase
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{
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PermutedPortalType PermutedPortal;
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VTKM_EXEC_EXPORT
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void operator()(vtkm::Id index) const {
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typedef typename PermutedPortalType::ValueType T;
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this->PermutedPortal.Set(index, TestValue(static_cast<vtkm::Id>(index), T()));
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}
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};
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template<typename PermutedArrayHandleType,
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typename Device>
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VTKM_CONT_EXPORT
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OutputPermutationFunctor<
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typename PermutedArrayHandleType::template ExecutionTypes<Device>::Portal>
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make_OutputPermutationFunctor(PermutedArrayHandleType &permutedArray,
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Device)
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{
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typedef typename PermutedArrayHandleType::template ExecutionTypes<Device>::Portal PermutedPortalType;
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OutputPermutationFunctor<PermutedPortalType> functor;
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functor.PermutedPortal = permutedArray.PrepareForOutput(ARRAY_SIZE, Device());
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return functor;
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}
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template<typename PortalType>
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VTKM_CONT_EXPORT
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void CheckOutputResult(PortalType portal)
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{
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typedef typename PortalType::ValueType T;
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for (vtkm::IdComponent permutedIndex = 0;
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permutedIndex < 2*ARRAY_SIZE;
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permutedIndex++)
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{
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if (permutedIndex%2 == 0)
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{
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// This index was part of the permuted array; has a value changed
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vtkm::Id originalIndex = permutedIndex/2;
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T expectedValue = TestValue(originalIndex, T());
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T retrievedValue = portal.Get(permutedIndex );
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted set unexpected value.");
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}
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else
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{
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// This index was not part of the permuted array; has original value
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T expectedValue = TestValue(permutedIndex, T());
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T retrievedValue = portal.Get(permutedIndex );
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted array modified value it should not have.");
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}
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}
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}
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template<typename ValueType>
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struct PermutationTests
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{
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typedef vtkm::cont::ArrayHandleImplicit<vtkm::Id, DoubleIndexFunctor>
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IndexArrayType;
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typedef vtkm::cont::ArrayHandle<ValueType, vtkm::cont::StorageTagBasic>
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ValueArrayType;
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typedef vtkm::cont::ArrayHandlePermutation<IndexArrayType, ValueArrayType>
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PermutationArrayType;
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typedef VTKM_DEFAULT_DEVICE_ADAPTER_TAG Device;
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typedef vtkm::cont::DeviceAdapterAlgorithm<Device> Algorithm;
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ValueArrayType MakeValueArray() const {
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// Allocate a buffer and set initial values
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std::vector<ValueType> buffer(2*ARRAY_SIZE);
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for (vtkm::IdComponent index = 0; index < 2*ARRAY_SIZE; index++)
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{
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vtkm::UInt32 i = static_cast<vtkm::UInt32>(index);
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buffer[i] = TestValue(index, ValueType());
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}
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// Create an ArrayHandle from the buffer
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ValueArrayType array = vtkm::cont::make_ArrayHandle(buffer);
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// Copy the array so that the data is not destroyed when we return from
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// this method.
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ValueArrayType arrayCopy;
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Algorithm::Copy(array, arrayCopy);
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return arrayCopy;
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}
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void operator()() const
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{
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std::cout << "Create ArrayHandlePermutation" << std::endl;
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IndexArrayType indexArray(DoubleIndexFunctor(), ARRAY_SIZE);
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ValueArrayType valueArray = this->MakeValueArray();
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PermutationArrayType permutationArray(indexArray, valueArray);
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VTKM_TEST_ASSERT(permutationArray.GetNumberOfValues() == ARRAY_SIZE,
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"Permutation array wrong size.");
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VTKM_TEST_ASSERT(
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permutationArray.GetPortalControl().GetNumberOfValues() == ARRAY_SIZE,
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"Permutation portal wrong size.");
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VTKM_TEST_ASSERT(
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permutationArray.GetPortalConstControl().GetNumberOfValues()
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== ARRAY_SIZE,
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"Permutation portal wrong size.");
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std::cout << "Test initial values in execution environment" << std::endl;
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Algorithm::Schedule(make_CheckPermutationFunctor(permutationArray, Device()),
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ARRAY_SIZE);
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std::cout << "Try in place operation" << std::endl;
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Algorithm::Schedule(
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make_InPlacePermutationFunctor(permutationArray, Device()),
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ARRAY_SIZE);
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CheckInPlaceResult(valueArray.GetPortalControl());
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CheckInPlaceResult(valueArray.GetPortalConstControl());
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std::cout << "Try output operation" << std::endl;
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Algorithm::Schedule(
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make_OutputPermutationFunctor(permutationArray, Device()),
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ARRAY_SIZE);
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CheckOutputResult(valueArray.GetPortalConstControl());
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CheckOutputResult(valueArray.GetPortalControl());
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}
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};
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struct TryInputType
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{
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template<typename InputType>
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void operator()(InputType) const {
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PermutationTests<InputType>()();
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}
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};
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void TestArrayHandlePermutation()
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{
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vtkm::testing::Testing::TryTypes(TryInputType(), vtkm::TypeListTagCommon());
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}
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} // annonymous namespace
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int UnitTestArrayHandlePermutation(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(TestArrayHandlePermutation);
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}
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