mirror of
https://gitlab.kitware.com/vtk/vtk-m
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59 lines
1.2 KiB
C++
59 lines
1.2 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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#ifndef vtk_m_Swap_h
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#define vtk_m_Swap_h
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#include <vtkm/internal/ExportMacros.h>
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#ifdef VTKM_CUDA
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#include <thrust/swap.h>
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#else
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#include <algorithm>
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#endif
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namespace vtkm
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{
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/// Performs a swap operation. Safe to call from cuda code.
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#if defined(VTKM_CUDA)
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template <typename T>
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VTKM_EXEC_CONT void Swap(T& a, T& b)
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{
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using namespace thrust;
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swap(a, b);
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}
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#elif defined(VTKM_HIP)
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template <typename T>
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__host__ void Swap(T& a, T& b)
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{
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using namespace std;
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swap(a, b);
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}
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template <typename T>
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__device__ void Swap(T& a, T& b)
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{
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T temp = a;
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a = b;
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b = temp;
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}
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#else
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template <typename T>
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VTKM_EXEC_CONT void Swap(T& a, T& b)
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{
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using namespace std;
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swap(a, b);
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}
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#endif
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} // end namespace vtkm
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#endif //vtk_m_Swap_h
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