StdLib/LibC/Main/x86flt_rounds.c

   1 /** @file
   2   Return the current FPU rounding mode.
   3
   4   Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 **/
  13
  14 extern int internal_FPU_rmode( void );
  15
  16 static INT8  rmode[] = { 1, 3, 2, 0 };
  17
  18 int
  19 __flt_rounds ( void )
  20 {
  21   return rmode[ internal_FPU_rmode() ];
  22 }