ConvertNumComponentsToOffsetsTemplate.h

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//============================================================================
//  The contents of this file are covered by the Viskores license. See
//  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.
//  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 viskores_cont_internal_ConvertNumComponentsToOffsetsTemplate_h
#define viskores_cont_internal_ConvertNumComponentsToOffsetsTemplate_h
 
 
#include <viskores/cont/Algorithm.h>
#include <viskores/cont/ArrayGetValues.h>
 
namespace viskores
{
namespace cont
{
namespace internal
{
 
template <typename NumComponentsArrayType, typename OffsetsStorage>
VISKORES_CONT void ConvertNumComponentsToOffsetsTemplate(
  const NumComponentsArrayType& numComponentsArray,
  viskores::cont::ArrayHandle<viskores::Id, OffsetsStorage>& offsetsArray,
  viskores::Id& componentsArraySize,
  viskores::cont::DeviceAdapterId device = viskores::cont::DeviceAdapterTagAny())
{
  using namespace viskores::cont;
  VISKORES_IS_ARRAY_HANDLE(NumComponentsArrayType);
 
  VISKORES_LOG_SCOPE_FUNCTION(viskores::cont::LogLevel::Perf);
 
  Algorithm::ScanExtended(
    device, make_ArrayHandleCast<viskores::Id>(numComponentsArray), offsetsArray);
 
  componentsArraySize =
    viskores::cont::ArrayGetValue(offsetsArray.GetNumberOfValues() - 1, offsetsArray);
}
 
template <typename NumComponentsArrayType, typename OffsetsStorage>
VISKORES_CONT void ConvertNumComponentsToOffsetsTemplate(
  const NumComponentsArrayType& numComponentsArray,
  viskores::cont::ArrayHandle<viskores::Id, OffsetsStorage>& offsetsArray,
  viskores::cont::DeviceAdapterId device = viskores::cont::DeviceAdapterTagAny())
{
  VISKORES_IS_ARRAY_HANDLE(NumComponentsArrayType);
 
  VISKORES_LOG_SCOPE_FUNCTION(viskores::cont::LogLevel::Perf);
 
  viskores::cont::Algorithm::ScanExtended(
    device, viskores::cont::make_ArrayHandleCast<viskores::Id>(numComponentsArray), offsetsArray);
}
 
template <typename NumComponentsArrayType>
VISKORES_CONT viskores::cont::ArrayHandle<viskores::Id> ConvertNumComponentsToOffsetsTemplate(
  const NumComponentsArrayType& numComponentsArray,
  viskores::Id& componentsArraySize,
  viskores::cont::DeviceAdapterId device = viskores::cont::DeviceAdapterTagAny())
{
  VISKORES_IS_ARRAY_HANDLE(NumComponentsArrayType);
 
  viskores::cont::ArrayHandle<viskores::Id> offsetsArray;
  viskores::cont::internal::ConvertNumComponentsToOffsetsTemplate(
    numComponentsArray, offsetsArray, componentsArraySize, device);
  return offsetsArray;
}
 
template <typename NumComponentsArrayType>
VISKORES_CONT viskores::cont::ArrayHandle<viskores::Id> ConvertNumComponentsToOffsetsTemplate(
  const NumComponentsArrayType& numComponentsArray,
  viskores::cont::DeviceAdapterId device = viskores::cont::DeviceAdapterTagAny())
{
  VISKORES_IS_ARRAY_HANDLE(NumComponentsArrayType);
 
  viskores::cont::ArrayHandle<viskores::Id> offsetsArray;
  viskores::cont::internal::ConvertNumComponentsToOffsetsTemplate(
    numComponentsArray, offsetsArray, device);
  return offsetsArray;
}
 
 
 
} // namespace viskores::cont::internal
} // namespace viskores::cont
} // namespace viskores
 
#endif // viskores_cont_internal_ConvertNumComponentsToOffsetsTemplate_h