mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
01bacbcde0
Add support for masks, vector magnitude range (L2 norm), and finite values only range computations.
52 lines
1.5 KiB
C++
52 lines
1.5 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/ArrayHandleIndex.h>
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#include <vtkm/cont/internal/ArrayRangeComputeUtils.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace internal
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{
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range>
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ArrayRangeComputeImpl<vtkm::cont::StorageTagIndex>::operator()(
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const vtkm::cont::ArrayHandle<vtkm::Id, vtkm::cont::StorageTagIndex>& input,
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const vtkm::cont::ArrayHandle<vtkm::UInt8>& maskArray,
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bool vtkmNotUsed(computeFiniteRange), // assume array produces only finite values
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vtkm::cont::DeviceAdapterId device) const
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{
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vtkm::Range range{};
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if (input.GetNumberOfValues() > 0)
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{
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vtkm::Id2 firstAndLast{ 0, input.GetNumberOfValues() - 1 };
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if (maskArray.GetNumberOfValues() > 0)
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{
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firstAndLast = vtkm::cont::internal::GetFirstAndLastUnmaskedIndices(maskArray, device);
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}
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if (firstAndLast[0] < firstAndLast[1])
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{
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range = vtkm::Range(firstAndLast[0], firstAndLast[1]);
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}
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}
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vtkm::cont::ArrayHandle<vtkm::Range> result;
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result.Allocate(1);
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result.WritePortal().Set(0, range);
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return result;
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}
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}
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}
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} // vtkm::cont::internal
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