1  /* Internal libc stuff for floating point environment routines.
       2     Copyright (C) 2000-2023 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     <https://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 */