FLA_Axpy_external.c File Reference

(r12600)

Functions
FLA_Error	FLA_Axpy_external (FLA_Obj alpha, FLA_Obj A, FLA_Obj B)

---

Function Documentation

FLA_Error FLA_Axpy_external	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B
	)

References bl1_caxpymt(), bl1_daxpymt(), bl1_saxpymt(), bl1_zaxpymt(), FLA_Axpy_check(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_has_zero_dim(), FLA_Obj_is_conformal_to(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_width(), and FLA_Param_map_flame_to_blis_trans().

Referenced by FLA_Apply_H2_UT_l_unb_var1(), FLA_Apply_H2_UT_piv_row(), FLA_Apply_H2_UT_r_unb_var1(), FLA_Apply_HUD_UT_lh_unb_var1(), FLA_Axpy(), FLA_Axpy_task(), FLA_Eig_gest_il_unb_var1(), FLA_Eig_gest_il_unb_var2(), FLA_Eig_gest_il_unb_var3(), FLA_Eig_gest_il_unb_var4(), FLA_Eig_gest_il_unb_var5(), FLA_Eig_gest_iu_unb_var1(), FLA_Eig_gest_iu_unb_var2(), FLA_Eig_gest_iu_unb_var3(), FLA_Eig_gest_iu_unb_var4(), FLA_Eig_gest_iu_unb_var5(), FLA_Eig_gest_nl_unb_var1(), FLA_Eig_gest_nl_unb_var2(), FLA_Eig_gest_nl_unb_var4(), FLA_Eig_gest_nl_unb_var5(), FLA_Eig_gest_nu_unb_var1(), FLA_Eig_gest_nu_unb_var2(), FLA_Eig_gest_nu_unb_var4(), FLA_Eig_gest_nu_unb_var5(), FLA_Trmvsx_external(), FLA_Trsvsx_external(), and FLASH_Axpy_hierarchy().

{
  FLA_Datatype datatype;
  int          m_B, n_B;
  int          rs_A, cs_A;
  int          rs_B, cs_B;
  trans1_t      blis_trans;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Axpy_check( alpha, A, B );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( A );

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

  m_B      = FLA_Obj_length( B );
  n_B      = FLA_Obj_width( B );
  rs_B     = FLA_Obj_row_stride( B );
  cs_B     = FLA_Obj_col_stride( B );

  if ( FLA_Obj_is_conformal_to( FLA_NO_TRANSPOSE, A, B ) )
    FLA_Param_map_flame_to_blis_trans( FLA_NO_TRANSPOSE, &blis_trans );
  else // if ( FLA_Obj_is_conformal_to( FLA_TRANSPOSE, A, B ) )
    FLA_Param_map_flame_to_blis_trans( FLA_TRANSPOSE, &blis_trans );

  switch ( datatype ){

  case FLA_FLOAT:
  {
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_B     = ( float * ) FLA_FLOAT_PTR( B );

    bl1_saxpymt( blis_trans,
                 m_B,
                 n_B,
                 buff_alpha,
                 buff_A, rs_A, cs_A,
                 buff_B, rs_B, cs_B );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_B     = ( double * ) FLA_DOUBLE_PTR( B );

    bl1_daxpymt( blis_trans,
                 m_B,
                 n_B,
                 buff_alpha,
                 buff_A, rs_A, cs_A,
                 buff_B, rs_B, cs_B );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
    scomplex *buff_A =     ( scomplex * ) FLA_COMPLEX_PTR( A );
    scomplex *buff_B =     ( scomplex * ) FLA_COMPLEX_PTR( B );

    bl1_caxpymt( blis_trans,
                 m_B,
                 n_B,
                 buff_alpha,
                 buff_A, rs_A, cs_A,
                 buff_B, rs_B, cs_B );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
    dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    dcomplex *buff_B     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( B );

    bl1_zaxpymt( blis_trans,
                 m_B,
                 n_B,
                 buff_alpha,
                 buff_A, rs_A, cs_A,
                 buff_B, rs_B, cs_B );

    break;
  }

  }
  
  return FLA_SUCCESS;
}