vtk-m/vtkm/exec/PointLocator.h
Robert Maynard 512d0431ec Cell and Point locators have correct export visibility
UBSAN found that these execution object had mixed visibility
causing undefined behavior when casting across DSO's.
2019-06-19 08:36:19 -04:00

36 lines
1.1 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_exec_PointLocator_h
#define vtk_m_exec_PointLocator_h
#include <vtkm/VirtualObjectBase.h>
namespace vtkm
{
namespace exec
{
class VTKM_ALWAYS_EXPORT PointLocator : public vtkm::VirtualObjectBase
{
public:
VTKM_EXEC_CONT virtual ~PointLocator() noexcept
{
// This must not be defaulted, since defaulted virtual destructors are
// troublesome with CUDA __host__ __device__ markup.
}
VTKM_EXEC virtual void FindNearestNeighbor(const vtkm::Vec<vtkm::FloatDefault, 3>& queryPoint,
vtkm::Id& pointId,
vtkm::FloatDefault& distanceSquared) const = 0;
};
}
}
#endif // vtk_m_exec_PointLocator_h