// =================================================================================================
// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
// width of 100 characters per line.
//
// Author(s):
//   Cedric Nugteren <www.cedricnugteren.nl>
//
// This file implements the Xgbmv routine. It is based on the generalized mat-vec multiplication
// routine (Xgemv). The Xgbmv class inherits from the templated class Xgemv, allowing it to call the
// "MatVec" function directly.
//
// =================================================================================================

#ifndef CLBLAST_ROUTINES_XGBMV_H_
#define CLBLAST_ROUTINES_XGBMV_H_

#include "routines/level2/xgemv.hpp"

namespace clblast {
// =================================================================================================

// See comment at top of file for a description of the class
template <typename T>
class Xgbmv: public Xgemv<T> {
 public:

  // Uses the generic matrix-vector routine
  using Xgemv<T>::MatVec;

  // Constructor
  Xgbmv(Queue &queue, EventPointer event, const std::string &name = "GBMV");

  // Templated-precision implementation of the routine
  void DoGbmv(const Layout layout, const Transpose a_transpose,
              const size_t m, const size_t n, const size_t kl, const size_t ku,
              const T alpha,
              const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld,
              const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc,
              const T beta,
              const Buffer<T> &y_buffer, const size_t y_offset, const size_t y_inc);
};

// =================================================================================================
} // namespace clblast

// CLBLAST_ROUTINES_XGBMV_H_
#endif