sysdeps/s390/fpu/get-rounding-mode.h

   1 /* Determine floating-point rounding mode within libc.  S/390 version.
   2    Copyright (C) 2012-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _S390_GET_ROUNDING_MODE_H
  20 #define _S390_GET_ROUNDING_MODE_H       1
  21
  22 #include <fenv.h>
  23 #include <fenv_libc.h>
  24 #include <fpu_control.h>
  25
  26 /* Return the floating-point rounding mode.  */
  27
  28 static inline int
  29 get_rounding_mode (void)
  30 {
  31   fpu_control_t fc;
  32
  33   _FPU_GETCW (fc);
  34   return fc & FPC_RM_MASK;
  35 }
  36
  37 #endif /* get-rounding-mode.h */