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https://gitlab.kitware.com/vtk/vtk-m
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c3a3184d51
Sandia National Laboratories recently changed management from the Sandia Corporation to the National Technology & Engineering Solutions of Sandia, LLC (NTESS). The copyright statements need to be updated accordingly.
114 lines
4.0 KiB
C++
114 lines
4.0 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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// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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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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#include <vtkm/cont/ArrayHandleReverse.h>
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#include <vtkm/cont/ArrayHandleIndex.h>
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#include <vtkm/cont/serial/DeviceAdapterSerial.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace UnitTestArrayHandleReverseNamespace
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{
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const vtkm::Id ARRAY_SIZE = 10;
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void TestArrayHandleReverseRead()
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{
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vtkm::cont::ArrayHandleIndex array(ARRAY_SIZE);
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VTKM_TEST_ASSERT(array.GetNumberOfValues() == ARRAY_SIZE, "Bad size.");
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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VTKM_TEST_ASSERT(array.GetPortalConstControl().Get(index) == index,
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"Index array has unexpected value.");
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}
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vtkm::cont::ArrayHandleReverse<vtkm::cont::ArrayHandleIndex> reverse =
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vtkm::cont::make_ArrayHandleReverse(array);
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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VTKM_TEST_ASSERT(reverse.GetPortalConstControl().Get(index) ==
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array.GetPortalConstControl().Get(9 - index),
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"ArrayHandleReverse does not reverse array");
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}
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}
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void TestArrayHandleReverseWrite()
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{
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std::vector<vtkm::Id> ids(ARRAY_SIZE, 0);
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vtkm::cont::ArrayHandle<vtkm::Id> handle = vtkm::cont::make_ArrayHandle(ids);
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vtkm::cont::ArrayHandleReverse<vtkm::cont::ArrayHandle<vtkm::Id>> reverse =
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vtkm::cont::make_ArrayHandleReverse(handle);
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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reverse.GetPortalControl().Set(index, index);
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}
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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VTKM_TEST_ASSERT(handle.GetPortalConstControl().Get(index) == (9 - index),
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"ArrayHandleReverse does not reverse array");
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}
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}
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void TestArrayHandleReverseScanInclusiveByKey()
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{
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vtkm::Id ids[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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vtkm::Id seg[] = { 0, 0, 0, 0, 1, 1, 2, 3, 3, 4 };
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vtkm::cont::ArrayHandle<vtkm::Id> values = vtkm::cont::make_ArrayHandle(ids, 10);
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vtkm::cont::ArrayHandle<vtkm::Id> keys = vtkm::cont::make_ArrayHandle(seg, 10);
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vtkm::cont::ArrayHandle<vtkm::Id> output;
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vtkm::cont::ArrayHandleReverse<vtkm::cont::ArrayHandle<vtkm::Id>> reversed =
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vtkm::cont::make_ArrayHandleReverse(output);
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using Algorithm = vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial>;
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Algorithm::ScanInclusiveByKey(keys, values, reversed);
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vtkm::Id expected[] = { 0, 1, 3, 6, 4, 9, 6, 7, 15, 9 };
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vtkm::cont::ArrayHandleReverse<vtkm::cont::ArrayHandle<vtkm::Id>> expected_reversed =
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vtkm::cont::make_ArrayHandleReverse(vtkm::cont::make_ArrayHandle(expected, 10));
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for (int i = 0; i < 10; i++)
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{
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VTKM_TEST_ASSERT(output.GetPortalConstControl().Get(i) ==
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expected_reversed.GetPortalConstControl().Get(i),
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"ArrayHandleReverse as output of ScanInclusiveByKey");
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}
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std::cout << std::endl;
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}
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void TestArrayHandleReverse()
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{
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TestArrayHandleReverseRead();
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TestArrayHandleReverseWrite();
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TestArrayHandleReverseScanInclusiveByKey();
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}
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}; // namespace UnitTestArrayHandleReverseNamespace
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int UnitTestArrayHandleReverse(int, char* [])
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{
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using namespace UnitTestArrayHandleReverseNamespace;
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return vtkm::cont::testing::Testing::Run(TestArrayHandleReverse);
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}
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