gpu_matrix_ell.hpp

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//    Copyright (C) 2015  PARALUTION Labs UG (haftungsbeschränkt) & Co. KG
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// PARALUTION version 1.1.0 


#ifndef PARALUTION_GPU_MATRIX_ELL_HPP_
#define PARALUTION_GPU_MATRIX_ELL_HPP_

#include "../base_matrix.hpp"
#include "../base_vector.hpp"
#include "../matrix_formats.hpp"

namespace paralution {

template <typename ValueType>
class GPUAcceleratorMatrixELL : public GPUAcceleratorMatrix<ValueType> {

public:

  GPUAcceleratorMatrixELL();
  GPUAcceleratorMatrixELL(const Paralution_Backend_Descriptor local_backend);
  virtual ~GPUAcceleratorMatrixELL();

  inline int get_max_row(void) const { return mat_.max_row; }

  virtual void info(void) const;
  virtual unsigned int get_mat_format(void) const { return ELL; }

  virtual void Clear(void);
  virtual void AllocateELL(const int nnz, const int nrow, const int ncol, const int max_row);
  virtual void SetDataPtrELL(int **col, ValueType **val,
                     const int nnz, const int nrow, const int ncol, const int max_row);
  virtual void LeaveDataPtrELL(int **col, ValueType **val, int &max_row);


  virtual bool ConvertFrom(const BaseMatrix<ValueType> &mat);

  virtual void CopyFrom(const BaseMatrix<ValueType> &mat);
  virtual void CopyFromAsync(const BaseMatrix<ValueType> &mat);
  virtual void CopyTo(BaseMatrix<ValueType> *mat) const;
  virtual void CopyToAsync(BaseMatrix<ValueType> *mat) const;

  virtual void CopyFromHost(const HostMatrix<ValueType> &src);
  virtual void CopyFromHostAsync(const HostMatrix<ValueType> &src);
  virtual void CopyToHost(HostMatrix<ValueType> *dst) const;
  virtual void CopyToHostAsync(HostMatrix<ValueType> *dst) const;

  virtual void Apply(const BaseVector<ValueType> &in, BaseVector<ValueType> *out) const;
  virtual void ApplyAdd(const BaseVector<ValueType> &in, const ValueType scalar,
                        BaseVector<ValueType> *out) const;

private:

  MatrixELL<ValueType, int> mat_;

  friend class BaseVector<ValueType>;
  friend class AcceleratorVector<ValueType>;
  friend class GPUAcceleratorVector<ValueType>;

};


}

#endif // PARALUTION_GPU_MATRIX_ELL_HPP_