mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-08 11:29:02 +00:00
77 lines
2.1 KiB
C++
77 lines
2.1 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/cont/ArrayCopy.h>
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#include <vtkm/cont/ArrayHandleIndex.h>
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#include <vtkm/cont/ArrayHandleView.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace
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{
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template<typename ArrayHandleType>
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void CheckArray(const ArrayHandleType array,
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typename ArrayHandleType::ValueType firstValue,
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vtkm::Id expectedLength)
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{
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VTKM_TEST_ASSERT(array.GetNumberOfValues() == expectedLength, "Array has wrong size.");
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typename ArrayHandleType::ReadPortalType portal = array.ReadPortal();
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VTKM_TEST_ASSERT(portal.GetNumberOfValues() == expectedLength,
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"Portal has wrong size.");
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typename ArrayHandleType::ValueType expectedValue = firstValue;
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for (vtkm::Id index = 0; index < expectedLength; index++)
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{
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VTKM_TEST_ASSERT(test_equal(portal.Get(index), expectedValue),
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"Array has wrong value.");
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expectedValue++;
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}
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}
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void Test()
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{
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////
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//// BEGIN-EXAMPLE ArrayHandleView
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////
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vtkm::cont::ArrayHandle<vtkm::Id> sourceArray;
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vtkm::cont::ArrayCopy(vtkm::cont::ArrayHandleIndex(10), sourceArray);
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// sourceArray has [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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vtkm::cont::ArrayHandleView<vtkm::cont::ArrayHandle<vtkm::Id>> viewArray(
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sourceArray, 3, 5);
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// viewArray has [3, 4, 5, 6, 7]
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////
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//// END-EXAMPLE ArrayHandleView
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////
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CheckArray(viewArray, 3, 5);
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CheckArray(
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////
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//// BEGIN-EXAMPLE MakeArrayHandleView
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////
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vtkm::cont::make_ArrayHandleView(sourceArray, 3, 5)
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////
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//// END-EXAMPLE MakeArrayHandleView
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////
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,
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3,
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5);
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}
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} // anonymous namespace
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int GuideExampleArrayHandleView(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(Test, argc, argv);
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}
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