Tpetra_transform.hpp

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#ifndef TPETRA_TRANSFORM_HPP
#define TPETRA_TRANSFORM_HPP

#include "TpetraCore_config.h"


namespace Tpetra {

  template<class ExecutionSpace,
           class GlobalDataStructure,
           class UnaryFunctionType>
  void
  transform (const char kernelLabel[],
             ExecutionSpace execSpace,
             GlobalDataStructure& input,
             GlobalDataStructure& output,
             UnaryFunctionType f);

  template<class GlobalDataStructure,
           class UnaryFunctionType>
  void
  transform (const char kernelLabel[],
             GlobalDataStructure& input,
             GlobalDataStructure& output,
             UnaryFunctionType f);

  namespace Details {

    template<class ExecutionSpace,
             class GlobalDataStructure>
    struct Transform {
      template<class UnaryFunctionType>
      static void
      transform (const char kernelLabel[],
                 ExecutionSpace execSpace,
                 GlobalDataStructure& input,
                 GlobalDataStructure& output,
                 UnaryFunctionType f);

      template<class BinaryFunctionType>
      static void
      transform (const char kernelLabel[],
                 ExecutionSpace execSpace,
                 GlobalDataStructure& input1,
                 GlobalDataStructure& input2,
                 GlobalDataStructure& output,
                 BinaryFunctionType f);
    };

  } // namespace Details

  template<class ExecutionSpace,
           class GlobalDataStructure,
           class UnaryFunctionType>
  void
  transform (const char kernelLabel[],
             ExecutionSpace execSpace,
             GlobalDataStructure& input,
             GlobalDataStructure& output,
             UnaryFunctionType f)
  {
    using impl_type =
      Details::Transform<ExecutionSpace, GlobalDataStructure>;
    using UFT = UnaryFunctionType;

    impl_type::template transform<UFT> (kernelLabel, execSpace,
                                        input, output, f);
  }

  template<class GlobalDataStructure,
           class UnaryFunctionType>
  void
  transform (const char kernelLabel[],
             GlobalDataStructure& input,
             GlobalDataStructure& output,
             UnaryFunctionType f)
  {
    using execution_space =
      typename GlobalDataStructure::device_type::execution_space;
    using impl_type =
      Details::Transform<execution_space, GlobalDataStructure>;
    using UFT = UnaryFunctionType;

    execution_space execSpace;
    impl_type::template transform<UFT> (kernelLabel, execSpace,
                                        input, output, f);
  }

  template<class ExecutionSpace,
           class GlobalDataStructure,
           class BinaryFunctionType>
  void
  transform (const char kernelLabel[],
             ExecutionSpace execSpace,
             GlobalDataStructure& input1,
             GlobalDataStructure& input2,
             GlobalDataStructure& output,
             BinaryFunctionType f)
  {
    using impl_type =
      Details::Transform<ExecutionSpace, GlobalDataStructure>;
    using BFT = BinaryFunctionType;

    impl_type::template transform<BFT> (kernelLabel, execSpace,
                                        input1, input2, output, f);
  }

} // namespace Tpetra

#endif // TPETRA_TRANSFORM_HPP