FLA_Apply_diag_matrix.c File Reference

(r)

Functions
FLA_Error	FLA_Apply_diag_matrix (FLA_Side side, FLA_Conj conj, FLA_Obj x, FLA_Obj A)

---

Function Documentation

FLA_Error FLA_Apply_diag_matrix	(	FLA_Side	side,
		FLA_Conj	conj,
		FLA_Obj	x,
		FLA_Obj	A
	)

References bli_capdiagmv(), bli_dapdiagmv(), bli_sapdiagmv(), bli_zapdiagmv(), FLA_Apply_diag_matrix_check(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_vector_inc(), FLA_Obj_width(), FLA_Param_map_flame_to_blis_conj(), and FLA_Param_map_flame_to_blis_side().

{
  FLA_Datatype datatype;
  int          m_A, n_A;
  int          rs_A, cs_A;
  int          inc_x;
  char         blis_side; 
  char         blis_conj;

  if ( FLA_Check_error_level() == FLA_MIN_ERROR_CHECKING ) 
    FLA_Apply_diag_matrix_check( side, conj, x, A );

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  n_A      = FLA_Obj_width( A );

  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  inc_x    = FLA_Obj_vector_inc( x );

  FLA_Param_map_flame_to_blis_side( side, &blis_side );
  FLA_Param_map_flame_to_blis_conj( conj, &blis_conj );


  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_x  = ( float* ) FLA_FLOAT_PTR( x );
      float* buff_A  = ( float* ) FLA_FLOAT_PTR( A );

      bli_sapdiagmv( blis_side,
                     blis_conj,
                     m_A,
                     n_A,
                     buff_x, inc_x,
                     buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE:
    {
      double*   buff_x  = ( double* ) FLA_DOUBLE_PTR( x );
      double*   buff_A  = ( double* ) FLA_DOUBLE_PTR( A );

      bli_dapdiagmv( blis_side,
                     blis_conj,
                     m_A,
                     n_A,
                     buff_x, inc_x,
                     buff_A, rs_A, cs_A );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_x  = ( scomplex* ) FLA_COMPLEX_PTR( x );
      scomplex* buff_A  = ( scomplex* ) FLA_COMPLEX_PTR( A );

      bli_capdiagmv( blis_side,
                     blis_conj,
                     m_A,
                     n_A,
                     buff_x, inc_x,
                     buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_x  = ( dcomplex* ) FLA_DOUBLE_COMPLEX_PTR( x );
      dcomplex* buff_A  = ( dcomplex* ) FLA_DOUBLE_COMPLEX_PTR( A );

      bli_zapdiagmv( blis_side,
                     blis_conj,
                     m_A,
                     n_A,
                     buff_x, inc_x,
                     buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}