Kokkos_CrsArray.hpp

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//         Manycore Performance-Portable Multidimensional Arrays
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#ifndef KOKKOS_CRSARRAY_HPP
#define KOKKOS_CRSARRAY_HPP

#include <string>
#include <vector>

#include <Kokkos_View.hpp>

namespace Kokkos {

template< class DataType,
          class Arg1Type,
          class Arg2Type = void,
          typename SizeType = typename ViewTraits<DataType*, Arg1Type, Arg2Type, void >::size_type>
class CrsArray {
private:
  typedef ViewTraits<DataType*, Arg1Type, Arg2Type, void> traits ;

public:
  typedef DataType                                            data_type;
  typedef typename traits::array_layout                       array_layout;
  typedef typename traits::execution_space                    execution_space ;
  typedef typename traits::memory_space                       memory_space ;
  typedef SizeType                                            size_type;

  typedef CrsArray< DataType , Arg1Type , Arg2Type , SizeType > crsarray_type;
  typedef CrsArray< DataType , array_layout , typename traits::host_mirror_space , SizeType > HostMirror;
  typedef View< const size_type* , array_layout, typename traits::device_type >  row_map_type;
  typedef View<       DataType*  , array_layout, typename traits::device_type >  entries_type;

  entries_type entries;
  row_map_type row_map;

  CrsArray () : entries(), row_map() {}

  CrsArray (const CrsArray& rhs) : entries (rhs.entries), row_map (rhs.row_map)
  {}

  CrsArray& operator= (const CrsArray& rhs) {
    entries = rhs.entries;
    row_map = rhs.row_map;
    return *this;
  }

  ~CrsArray() {}
};

//----------------------------------------------------------------------------

template< class CrsArrayType , class InputSizeType >
typename CrsArrayType::crsarray_type
create_crsarray( const std::string & label ,
                 const std::vector< InputSizeType > & input );

template< class CrsArrayType , class InputSizeType >
typename CrsArrayType::crsarray_type
create_crsarray( const std::string & label ,
                 const std::vector< std::vector< InputSizeType > > & input );

//----------------------------------------------------------------------------

template< class DataType ,
          class Arg1Type ,
          class Arg2Type ,
          typename SizeType >
typename CrsArray< DataType , Arg1Type , Arg2Type , SizeType >::HostMirror
create_mirror_view( const CrsArray<DataType,Arg1Type,Arg2Type,SizeType > & input );

template< class DataType ,
          class Arg1Type ,
          class Arg2Type ,
          typename SizeType >
typename CrsArray< DataType , Arg1Type , Arg2Type , SizeType >::HostMirror
create_mirror( const CrsArray<DataType,Arg1Type,Arg2Type,SizeType > & input );

} // namespace Kokkos

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

#include <impl/Kokkos_CrsArray_factory.hpp>

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

#endif /* #ifndef KOKKOS_CRSARRAY_HPP */