sysdeps/alpha/fpu/fenv_libc.h

   1 /* Internal libc stuff for floating point environment routines.
   2    Copyright (C) 2000-2015 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 _FENV_LIBC_H
  20 #define _FENV_LIBC_H    1
  21
  22 #include <fenv.h>
  23
  24 #define FPCR_ROUND_MASK         (3UL << 58)
  25 #define FPCR_ROUND_SHIFT        58
  26
  27 #define SWCR_MAP_MASK           (3UL << 12)
  28 #define SWCR_ENABLE_SHIFT       16
  29 #define SWCR_ENABLE_MASK        (FE_ALL_EXCEPT >> SWCR_ENABLE_SHIFT)
  30 #define SWCR_STATUS_MASK        (FE_ALL_EXCEPT)
  31 #define SWCR_ALL_MASK           (SWCR_ENABLE_MASK       \
  32                                 | SWCR_MAP_MASK         \
  33                                 | SWCR_STATUS_MASK)
  34
  35 /* These are declared for public consumption in <bits/fenv.h>.  */
  36 libc_hidden_proto(__ieee_set_fp_control)
  37 libc_hidden_proto(__ieee_get_fp_control)
  38
  39 #endif /* fenv_libc.h */