fpu_defs.hh

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/* Floating point unit related functions.
   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
   Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)

This file is part of the Parma Polyhedra Library (PPL).

The PPL is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

The PPL is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://bugseng.com/products/ppl/ . */

#ifndef PPL_fpu_defs_hh
#define PPL_fpu_defs_hh 1

#include "fpu_types.hh"
#include "compiler.hh"

namespace Parma_Polyhedra_Library {



void
fpu_initialize_control_functions();

fpu_rounding_direction_type
fpu_get_rounding_direction();

void
fpu_set_rounding_direction(fpu_rounding_direction_type dir);

fpu_rounding_control_word_type
fpu_save_rounding_direction(fpu_rounding_direction_type dir);

fpu_rounding_control_word_type
fpu_save_rounding_direction_reset_inexact(fpu_rounding_direction_type dir);

void
fpu_restore_rounding_direction(fpu_rounding_control_word_type w);

void
fpu_reset_inexact();

int
fpu_check_inexact();


} // namespace Parma_Polyhedra_Library

#if PPL_CAN_CONTROL_FPU

#if defined(__i386__) && (defined(__GNUC__) || defined(__INTEL_COMPILER))
#include "fpu-ia32_inlines.hh"
#elif defined(PPL_HAVE_IEEEFP_H)                                        \
  && (defined(__sparc)                                                  \
      || defined(sparc)                                                 \
      || defined(__sparc__))
#include "fpu-sparc_inlines.hh"
#elif defined(PPL_HAVE_FENV_H)
#include "fpu-c99_inlines.hh"
#else
#error "PPL_CAN_CONTROL_FPU evaluates to true: why?"
#endif

#else // !PPL_CAN_CONTROL_FPU

#include "fpu-none_inlines.hh"

#endif // !PPL_CAN_CONTROL_FPU

#endif // !defined(PPL_fpu_defs_hh)