FLA_Scalc_external.c File Reference

(r12600)

Functions
FLA_Error	FLA_Scalc_external (FLA_Conj conj, FLA_Obj alpha, FLA_Obj A)

---

Function Documentation

FLA_Error FLA_Scalc_external	(	FLA_Conj	conj,
		FLA_Obj	alpha,
		FLA_Obj	A
	)

References bl1_cscalm(), bl1_csscalm(), bl1_dscalm(), bl1_sscalm(), bl1_zdscalm(), bl1_zscalm(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_equals(), FLA_Obj_has_zero_dim(), FLA_Obj_is_constant(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_width(), FLA_ONE, FLA_Param_map_flame_to_blis_conj(), FLA_Scalc_check(), FLA_Set(), and FLA_ZERO.

Referenced by FLA_Scalc(), FLA_Trmm_llc_unb_var1(), FLA_Trmm_llc_unb_var2(), FLA_Trmm_llh_unb_var1(), FLA_Trmm_llh_unb_var2(), FLA_Trmm_luc_unb_var1(), FLA_Trmm_luc_unb_var2(), FLA_Trmm_luh_unb_var1(), FLA_Trmm_luh_unb_var2(), FLA_Trmm_rlc_unb_var1(), FLA_Trmm_rlc_unb_var2(), FLA_Trmm_rlh_unb_var1(), FLA_Trmm_rlh_unb_var2(), FLA_Trmm_ruc_unb_var1(), FLA_Trmm_ruc_unb_var2(), FLA_Trmm_ruh_unb_var1(), and FLA_Trmm_ruh_unb_var2().

{
  FLA_Datatype datatype, dt_alpha;
  int          m_A, n_A;
  int          rs_A, cs_A;
  conj1_t       blis_conj;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
    FLA_Scalc_check( conj, alpha, A );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  if ( FLA_Obj_equals( alpha, FLA_ONE ) )
  {
    return FLA_SUCCESS;
  }
  else if ( FLA_Obj_equals( alpha, FLA_ZERO ) )
  {
    FLA_Set( FLA_ZERO, A );
    return FLA_SUCCESS;
  }

  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 );

  if ( FLA_Obj_is_constant( alpha ) )
    dt_alpha = datatype;
  else
    dt_alpha = FLA_Obj_datatype( alpha );

  FLA_Param_map_flame_to_blis_conj( conj, &blis_conj );

  switch ( datatype ){

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

    bl1_sscalm( blis_conj,
                m_A,
                n_A,
                buff_alpha,
                buff_A, rs_A, cs_A );

    break;
  }

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

    bl1_dscalm( blis_conj,
                m_A,
                n_A,
                buff_alpha,
                buff_A, rs_A, cs_A );

    break;
  }

  case FLA_COMPLEX:
  {
    if ( dt_alpha == FLA_COMPLEX )
    {
      scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
      scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );

      bl1_cscalm( blis_conj,
                  m_A,
                  n_A,
                  buff_alpha,
                  buff_A, rs_A, cs_A );
    }
    else if ( dt_alpha == FLA_FLOAT )
    {
      scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
      float    *buff_alpha = ( float    * ) FLA_FLOAT_PTR( alpha );

      bl1_csscalm( blis_conj,
                   m_A,
                   n_A,
                   buff_alpha,
                   buff_A, rs_A, cs_A );
    }

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    if ( dt_alpha == FLA_DOUBLE_COMPLEX )
    {
      dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
      dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );

      bl1_zscalm( blis_conj,
                  m_A,
                  n_A,
                  buff_alpha,
                  buff_A, rs_A, cs_A );
    }
    else if ( dt_alpha == FLA_DOUBLE )
    {
      dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
      double   *buff_alpha = ( double   * ) FLA_DOUBLE_PTR( alpha );

      bl1_zdscalm( blis_conj,
                   m_A,
                   n_A,
                   buff_alpha,
                   buff_A, rs_A, cs_A );
    }

    break;
  }

  }

  return FLA_SUCCESS;
}