FLA_Max_abs_value_herm.c File Reference

(r12600)

Functions
FLA_Error	FLA_Max_abs_value_herm (FLA_Uplo uplo, FLA_Obj A, FLA_Obj maxabs)

---

Function Documentation

FLA_Error FLA_Max_abs_value_herm	(	FLA_Uplo	uplo,
		FLA_Obj	A,
		FLA_Obj	maxabs
	)

References bl1_cmaxabsmr(), bl1_dmaxabsmr(), bl1_smaxabsmr(), bl1_zmaxabsmr(), FLA_Check_error_level(), FLA_Max_abs_value_herm_check(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_row_stride(), FLA_Obj_width(), and FLA_Param_map_flame_to_blis_uplo().

Referenced by FLA_Hevd_compute_scaling().

{
  FLA_Datatype datatype;
  dim_t        n_A;
  dim_t        rs_A, cs_A;
  uplo1_t       blis_uplo;

  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Max_abs_value_herm_check( uplo, A, maxabs );

  datatype = FLA_Obj_datatype( A );

  n_A      = FLA_Obj_width( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
 
  FLA_Param_map_flame_to_blis_uplo( uplo, &blis_uplo );
 
  switch ( datatype ){

  case FLA_FLOAT:
  {
    float*    buff_A      = ( float    * ) FLA_FLOAT_PTR( A );
    float*    buff_maxabs = ( float    * ) FLA_FLOAT_PTR( maxabs );

    bl1_smaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_DOUBLE:
  {
    double*   buff_A      = ( double   * ) FLA_DOUBLE_PTR( A );
    double*   buff_maxabs = ( double   * ) FLA_DOUBLE_PTR( maxabs );

    bl1_dmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A      = ( scomplex * ) FLA_COMPLEX_PTR( A );
    float    *buff_maxabs = ( float    * ) FLA_FLOAT_PTR( maxabs );

    bl1_cmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A      = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
    double   *buff_maxabs = ( double   * ) FLA_DOUBLE_PTR( maxabs );

    bl1_zmaxabsmr( blis_uplo,
                   n_A,
                   n_A,
                   buff_A, rs_A, cs_A,
                   buff_maxabs );

    break;
  }

  }

  return FLA_SUCCESS;
}