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/* Copyright (C) 2007, 2009  Free Software Foundation, Inc.

This file is part of GCC.

GCC 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, or (at your option) any later

version.

GCC 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.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

<http://www.gnu.org/licenses/>.  */

#include "bid_internal.h"

#include "bid_gcc_intrinsics.h"

#if DECIMAL_GLOBAL_ROUNDING

BID_THREAD _IDEC_round _IDEC_glbround = ROUNDING_TO_NEAREST;

#if DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS

void

__dfp_set_round (int mode) {

  _IDEC_glbround = mode;

}

int

__dfp_get_round (void) {

  return _IDEC_glbround;

}

#endif

#endif

#if DECIMAL_GLOBAL_EXCEPTION_FLAGS

BID_THREAD _IDEC_flags _IDEC_glbflags = EXACT_STATUS;

#if DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS

#include <fenv.h>

void

__dfp_clear_except (void) {

  _IDEC_glbflags &= ~FLAG_MASK;

}

int

__dfp_test_except (int mask) {

  int flags = 0;

  if ((_IDEC_glbflags & INEXACT_EXCEPTION) != 0)

    flags |= mask & FE_INEXACT;

  if ((_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0)

    flags |= mask & FE_UNDERFLOW;

  if ((_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0)

    flags |= mask & FE_OVERFLOW;

  if ((_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0)

    flags |= mask & FE_DIVBYZERO;

  if ((_IDEC_glbflags & INVALID_EXCEPTION) != 0)

    flags |= mask & FE_INVALID;

  return flags;

}

void

__dfp_raise_except (int mask) {

  _IDEC_flags flags = 0;

  if ((mask & FE_INEXACT) != 0)

    flags |= INEXACT_EXCEPTION;

  if ((mask & FE_UNDERFLOW) != 0)

    flags |= UNDERFLOW_EXCEPTION;

  if ((mask & FE_OVERFLOW) != 0)

    flags |= OVERFLOW_EXCEPTION;

  if ((mask & FE_DIVBYZERO) != 0)

    flags |= ZERO_DIVIDE_EXCEPTION;

  if ((mask & FE_INVALID) != 0)

    flags |= INVALID_EXCEPTION;

  _IDEC_glbflags |= flags;

}

#endif

#endif

#if DECIMAL_ALTERNATE_EXCEPTION_HANDLING

#if DECIMAL_GLOBAL_EXCEPTION_MASKS

BID_THREAD _IDEC_exceptionmasks _IDEC_glbexceptionmasks =

  _IDEC_allexcmasksset;

#endif

#if DECIMAL_GLOBAL_EXCEPTION_INFO

BID_THREAD _IDEC_excepthandling _IDEC_glbexcepthandling;

#endif

#endif