mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
131 lines
3.9 KiB
C++
131 lines
3.9 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.
|
|
//
|
|
// Copyright 2014 Sandia Corporation.
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014. Los Alamos National Security
|
|
//
|
|
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
#ifndef vtk_m_cont_ArrayHandleCounting_h
|
|
#define vtk_m_cont_ArrayHandleCounting_h
|
|
|
|
#include <vtkm/cont/ArrayHandle.h>
|
|
#include <vtkm/cont/StorageImplicit.h>
|
|
|
|
namespace vtkm {
|
|
namespace cont {
|
|
|
|
namespace internal {
|
|
|
|
/// \brief An implicit array portal that returns an counting value.
|
|
template <class CountingValueType>
|
|
class ArrayPortalCounting
|
|
{
|
|
public:
|
|
typedef CountingValueType ValueType;
|
|
|
|
VTKM_EXEC_CONT_EXPORT
|
|
ArrayPortalCounting() :
|
|
StartingValue(),
|
|
NumberOfValues(0)
|
|
{ }
|
|
|
|
VTKM_EXEC_CONT_EXPORT
|
|
ArrayPortalCounting(ValueType startingValue, vtkm::Id numValues) :
|
|
StartingValue(startingValue),
|
|
NumberOfValues(numValues)
|
|
{ }
|
|
|
|
template<typename OtherValueType>
|
|
VTKM_EXEC_CONT_EXPORT
|
|
ArrayPortalCounting(const ArrayPortalCounting<OtherValueType> &src)
|
|
: StartingValue(src.StartingValue),
|
|
NumberOfValues(src.NumberOfValues)
|
|
{ }
|
|
|
|
template<typename OtherValueType>
|
|
VTKM_EXEC_CONT_EXPORT
|
|
ArrayPortalCounting<ValueType> &operator=(
|
|
const ArrayPortalCounting<OtherValueType> &src)
|
|
{
|
|
this->StartingValue = src.StartingValue;
|
|
this->NumberOfValues = src.NumberOfValues;
|
|
return *this;
|
|
}
|
|
|
|
VTKM_EXEC_CONT_EXPORT
|
|
vtkm::Id GetNumberOfValues() const { return this->NumberOfValues; }
|
|
|
|
VTKM_EXEC_CONT_EXPORT
|
|
ValueType Get(vtkm::Id index) const { return StartingValue+ValueType(index); }
|
|
|
|
private:
|
|
ValueType StartingValue;
|
|
vtkm::Id NumberOfValues;
|
|
};
|
|
|
|
/// A convenience class that provides a typedef to the appropriate tag for
|
|
/// a counting storage.
|
|
template<typename ConstantValueType>
|
|
struct ArrayHandleCountingTraits
|
|
{
|
|
typedef vtkm::cont::StorageTagImplicit<
|
|
vtkm::cont::internal::ArrayPortalCounting<ConstantValueType> > Tag;
|
|
};
|
|
|
|
} // namespace internal
|
|
|
|
/// ArrayHandleCountings is a specialization of ArrayHandle. By default it
|
|
/// contains a increment value, that is increment for each step between zero
|
|
/// and the passed in length
|
|
template <typename CountingValueType>
|
|
class ArrayHandleCounting
|
|
: public vtkm::cont::ArrayHandle <
|
|
CountingValueType,
|
|
typename internal::ArrayHandleCountingTraits<CountingValueType>::Tag
|
|
>
|
|
{
|
|
typedef vtkm::cont::ArrayHandle <
|
|
CountingValueType,
|
|
typename internal::ArrayHandleCountingTraits<CountingValueType>::Tag
|
|
> Superclass;
|
|
public:
|
|
|
|
VTKM_CONT_EXPORT
|
|
ArrayHandleCounting(CountingValueType startingValue, vtkm::Id length)
|
|
:Superclass(typename Superclass::PortalConstControl(startingValue, length))
|
|
{
|
|
}
|
|
|
|
VTKM_CONT_EXPORT
|
|
ArrayHandleCounting():Superclass() {}
|
|
};
|
|
|
|
/// A convenience function for creating an ArrayHandleCounting. It takes the
|
|
/// value to start counting from and and the number of times to increment.
|
|
template<typename CountingValueType>
|
|
VTKM_CONT_EXPORT
|
|
vtkm::cont::ArrayHandleCounting<CountingValueType>
|
|
make_ArrayHandleCounting(CountingValueType startingValue,
|
|
vtkm::Id length)
|
|
{
|
|
return vtkm::cont::ArrayHandleCounting<CountingValueType>(startingValue,
|
|
length);
|
|
}
|
|
|
|
}
|
|
} // namespace vtkm::cont
|
|
|
|
#endif //vtk_m_cont_ArrayHandleCounting_h
|