1 //============================================================================
2 //  Copyright (c) Kitware, Inc.
3 //  All rights reserved.
4 //  See LICENSE.txt for details.
5 //
6 //  This software is distributed WITHOUT ANY WARRANTY; without even
7 //  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
8 //  PURPOSE.  See the above copyright notice for more information.
9 //============================================================================
10 #ifndef vtk_m_exec_PointLocator_h
11 #define vtk_m_exec_PointLocator_h
12 
13 #include <vtkm/VirtualObjectBase.h>
14 
15 #ifdef VTKM_NO_DEPRECATED_VIRTUAL
16 #error "PointLocator with virtual methods is removed. Do not include PointLocator.h"
17 #endif
18 
19 namespace vtkm
20 {
21 namespace exec
22 {
23 
24 class VTKM_DEPRECATED(1.6, "PointLocator with virtual methods no longer supported.")
25   VTKM_ALWAYS_EXPORT PointLocator : public vtkm::VirtualObjectBase
26 {
27   VTKM_DEPRECATED_SUPPRESS_BEGIN
28 public:
~PointLocator()29   VTKM_EXEC_CONT virtual ~PointLocator() noexcept
30   {
31     // This must not be defaulted, since defaulted virtual destructors are
32     // troublesome with CUDA __host__ __device__ markup.
33   }
34 
35   VTKM_EXEC
36   virtual void FindNearestNeighbor(const vtkm::Vec3f& queryPoint,
37                                    vtkm::Id& pointId,
38                                    vtkm::FloatDefault& distanceSquared) const = 0;
39   VTKM_DEPRECATED_SUPPRESS_END
40 };
41 
42 } // vtkm::exec
43 } // vtkm
44 
45 #endif // vtk_m_exec_PointLocator_h
46