MakeThrustIterator.h

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//============================================================================
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//  LICENSE.txt for details.
//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  Copyright (c) Kitware, Inc.
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//  See LICENSE.txt for details.
//
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//============================================================================
#ifndef viskores_cont_cuda_internal_MakeThrustIterator_h
#define viskores_cont_cuda_internal_MakeThrustIterator_h
 
#include <viskores/exec/cuda/internal/ArrayPortalFromThrust.h>
#include <viskores/exec/cuda/internal/IteratorFromArrayPortal.h>
 
#include <viskores/internal/ArrayPortalBasic.h>
 
namespace viskores
{
namespace cont
{
namespace cuda
{
namespace internal
{
template <typename PortalType>
inline viskores::exec::cuda::internal::IteratorFromArrayPortal<PortalType> IteratorBegin(
  const PortalType& portal)
{
  viskores::exec::cuda::internal::IteratorFromArrayPortal<PortalType> iterator(portal);
  return iterator;
}
 
template <typename PortalType>
inline viskores::exec::cuda::internal::IteratorFromArrayPortal<PortalType> IteratorEnd(
  const PortalType& portal)
{
  viskores::exec::cuda::internal::IteratorFromArrayPortal<PortalType> iterator(portal);
  iterator += static_cast<std::ptrdiff_t>(portal.GetNumberOfValues());
  return iterator;
}
 
template <typename T>
inline T* IteratorBegin(const viskores::exec::cuda::internal::ArrayPortalFromThrust<T>& portal)
{
  return portal.GetIteratorBegin();
}
 
template <typename T>
inline T* IteratorEnd(const viskores::exec::cuda::internal::ArrayPortalFromThrust<T>& portal)
{
  return portal.GetIteratorEnd();
}
 
template <typename T>
inline const T* IteratorBegin(
  const viskores::exec::cuda::internal::ConstArrayPortalFromThrust<T>& portal)
{
  return portal.GetIteratorBegin();
}
 
template <typename T>
inline const T* IteratorEnd(
  const viskores::exec::cuda::internal::ConstArrayPortalFromThrust<T>& portal)
{
  return portal.GetIteratorEnd();
}
 
template <typename T>
inline T* IteratorBegin(const viskores::internal::ArrayPortalBasicWrite<T>& portal)
{
  return portal.GetIteratorBegin();
}
 
template <typename T>
inline T* IteratorEnd(const viskores::internal::ArrayPortalBasicWrite<T>& portal)
{
  return portal.GetIteratorEnd();
}
 
template <typename T>
inline const T* IteratorBegin(const viskores::internal::ArrayPortalBasicRead<T>& portal)
{
  return portal.GetIteratorBegin();
}
 
template <typename T>
inline const T* IteratorEnd(const viskores::internal::ArrayPortalBasicRead<T>& portal)
{
  return portal.GetIteratorEnd();
}
}
}
}
 
} //namespace viskores::cont::cuda::internal
 
#endif