2014-02-10 19:53:03 +00:00
|
|
|
//============================================================================
|
|
|
|
// Copyright (c) Kitware, Inc.
|
|
|
|
// All rights reserved.
|
|
|
|
// See LICENSE.txt for details.
|
2019-04-15 23:24:21 +00:00
|
|
|
//
|
2014-02-10 19:53:03 +00:00
|
|
|
// 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.
|
|
|
|
//============================================================================
|
2014-03-07 15:19:09 +00:00
|
|
|
#ifndef vtk_m_cont_internal_IteratorFromArrayPortal_h
|
|
|
|
#define vtk_m_cont_internal_IteratorFromArrayPortal_h
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2016-04-20 21:41:14 +00:00
|
|
|
#include <vtkm/Assert.h>
|
|
|
|
#include <vtkm/cont/ArrayPortal.h>
|
2017-05-18 14:51:24 +00:00
|
|
|
#include <vtkm/internal/ArrayPortalValueReference.h>
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2017-05-18 14:29:41 +00:00
|
|
|
namespace vtkm
|
|
|
|
{
|
|
|
|
namespace cont
|
|
|
|
{
|
|
|
|
namespace internal
|
|
|
|
{
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2017-05-18 14:29:41 +00:00
|
|
|
template <class ArrayPortalType>
|
2016-10-18 19:35:06 +00:00
|
|
|
class IteratorFromArrayPortal
|
2014-02-10 19:53:03 +00:00
|
|
|
{
|
|
|
|
public:
|
2017-05-18 14:29:41 +00:00
|
|
|
using value_type = typename std::remove_const<typename ArrayPortalType::ValueType>::type;
|
2016-10-28 03:14:29 +00:00
|
|
|
using reference = vtkm::internal::ArrayPortalValueReference<ArrayPortalType>;
|
2016-10-18 19:35:06 +00:00
|
|
|
using pointer = typename std::add_pointer<value_type>::type;
|
|
|
|
|
|
|
|
using difference_type = std::ptrdiff_t;
|
|
|
|
|
|
|
|
using iterator_category = std::random_access_iterator_tag;
|
|
|
|
|
|
|
|
using iter = IteratorFromArrayPortal<ArrayPortalType>;
|
2015-06-12 13:33:55 +00:00
|
|
|
|
2020-02-25 18:38:29 +00:00
|
|
|
VTKM_SUPPRESS_EXEC_WARNINGS
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2014-02-10 19:53:03 +00:00
|
|
|
IteratorFromArrayPortal()
|
2017-05-18 14:29:41 +00:00
|
|
|
: Portal()
|
|
|
|
, Index(0)
|
|
|
|
{
|
|
|
|
}
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2020-02-25 18:38:29 +00:00
|
|
|
VTKM_SUPPRESS_EXEC_WARNINGS
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2017-05-18 14:29:41 +00:00
|
|
|
explicit IteratorFromArrayPortal(const ArrayPortalType& portal, vtkm::Id index = 0)
|
|
|
|
: Portal(portal)
|
|
|
|
, Index(index)
|
2014-02-10 19:53:03 +00:00
|
|
|
{
|
2016-10-18 19:35:06 +00:00
|
|
|
VTKM_ASSERT(index >= 0);
|
|
|
|
VTKM_ASSERT(index <= portal.GetNumberOfValues());
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2017-05-18 14:29:41 +00:00
|
|
|
reference operator*() const { return reference(this->Portal, this->Index); }
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2017-05-18 14:29:41 +00:00
|
|
|
reference operator->() const { return reference(this->Portal, this->Index); }
|
2014-02-10 19:53:03 +00:00
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
reference operator[](difference_type idx) const
|
2014-02-11 21:20:30 +00:00
|
|
|
{
|
2017-05-18 14:29:41 +00:00
|
|
|
return reference(this->Portal, this->Index + static_cast<vtkm::Id>(idx));
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
iter& operator++()
|
2014-02-11 21:20:30 +00:00
|
|
|
{
|
2014-02-10 19:53:03 +00:00
|
|
|
this->Index++;
|
2016-04-20 21:41:14 +00:00
|
|
|
VTKM_ASSERT(this->Index <= this->Portal.GetNumberOfValues());
|
2016-10-18 19:35:06 +00:00
|
|
|
return *this;
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2017-05-18 14:29:41 +00:00
|
|
|
iter operator++(int) { return iter(this->Portal, this->Index++); }
|
2016-10-18 19:35:06 +00:00
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
iter& operator--()
|
2014-02-11 21:20:30 +00:00
|
|
|
{
|
2014-02-10 19:53:03 +00:00
|
|
|
this->Index--;
|
2016-04-20 21:41:14 +00:00
|
|
|
VTKM_ASSERT(this->Index >= 0);
|
2016-10-18 19:35:06 +00:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2017-05-18 14:29:41 +00:00
|
|
|
iter operator--(int) { return iter(this->Portal, this->Index--); }
|
2016-10-18 19:35:06 +00:00
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
iter& operator+=(difference_type n)
|
|
|
|
{
|
|
|
|
this->Index += static_cast<vtkm::Id>(n);
|
2016-04-20 21:41:14 +00:00
|
|
|
VTKM_ASSERT(this->Index <= this->Portal.GetNumberOfValues());
|
2016-10-18 19:35:06 +00:00
|
|
|
return *this;
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
iter& operator-=(difference_type n)
|
2014-02-11 21:20:30 +00:00
|
|
|
{
|
2016-10-18 19:35:06 +00:00
|
|
|
this->Index += static_cast<vtkm::Id>(n);
|
2016-04-20 21:41:14 +00:00
|
|
|
VTKM_ASSERT(this->Index >= 0);
|
2016-10-18 19:35:06 +00:00
|
|
|
return *this;
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT
|
2016-10-18 19:35:06 +00:00
|
|
|
iter operator-(difference_type n) const
|
2014-02-11 21:20:30 +00:00
|
|
|
{
|
2016-10-18 19:35:06 +00:00
|
|
|
return iter(this->Portal, this->Index - static_cast<vtkm::Id>(n));
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
2016-10-18 19:35:06 +00:00
|
|
|
|
|
|
|
ArrayPortalType Portal;
|
|
|
|
vtkm::Id Index;
|
2014-02-10 19:53:03 +00:00
|
|
|
};
|
|
|
|
|
2017-05-18 14:29:41 +00:00
|
|
|
template <class ArrayPortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT IteratorFromArrayPortal<ArrayPortalType> make_IteratorBegin(
|
|
|
|
const ArrayPortalType& portal)
|
2014-02-10 19:53:03 +00:00
|
|
|
{
|
|
|
|
return IteratorFromArrayPortal<ArrayPortalType>(portal, 0);
|
|
|
|
}
|
|
|
|
|
2017-05-18 14:29:41 +00:00
|
|
|
template <class ArrayPortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT IteratorFromArrayPortal<ArrayPortalType> make_IteratorEnd(
|
|
|
|
const ArrayPortalType& portal)
|
2014-02-10 19:53:03 +00:00
|
|
|
{
|
2017-05-18 14:29:41 +00:00
|
|
|
return IteratorFromArrayPortal<ArrayPortalType>(portal, portal.GetNumberOfValues());
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2016-10-18 19:35:06 +00:00
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator==(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index == rhs.Index;
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
2016-10-18 19:35:06 +00:00
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator!=(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index != rhs.Index;
|
2014-02-10 19:53:03 +00:00
|
|
|
}
|
|
|
|
|
2016-10-18 19:35:06 +00:00
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator<(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index < rhs.Index;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator<=(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index <= rhs.Index;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator>(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index > rhs.Index;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT bool operator>=(vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index >= rhs.Index;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT std::ptrdiff_t operator-(
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& lhs,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& rhs)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
|
|
|
return lhs.Index - rhs.Index;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT vtkm::cont::internal::IteratorFromArrayPortal<PortalType> operator+(
|
2017-05-26 17:53:28 +00:00
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& iter,
|
|
|
|
std::ptrdiff_t n)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
2017-05-26 17:53:28 +00:00
|
|
|
return vtkm::cont::internal::IteratorFromArrayPortal<PortalType>(
|
|
|
|
iter.Portal, iter.Index + static_cast<vtkm::Id>(n));
|
2016-10-18 19:35:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
template <typename PortalType>
|
2019-12-06 17:50:27 +00:00
|
|
|
VTKM_EXEC_CONT vtkm::cont::internal::IteratorFromArrayPortal<PortalType> operator+(
|
2017-05-26 17:53:28 +00:00
|
|
|
std::ptrdiff_t n,
|
|
|
|
vtkm::cont::internal::IteratorFromArrayPortal<PortalType> const& iter)
|
2016-10-18 19:35:06 +00:00
|
|
|
{
|
2017-05-26 17:53:28 +00:00
|
|
|
return vtkm::cont::internal::IteratorFromArrayPortal<PortalType>(
|
|
|
|
iter.Portal, iter.Index + static_cast<vtkm::Id>(n));
|
2016-10-18 19:35:06 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace vtkm::cont::internal
|
2015-08-14 21:20:09 +00:00
|
|
|
|
2014-06-11 16:43:36 +00:00
|
|
|
#endif //vtk_m_cont_internal_IteratorFromArrayPortal_h
|