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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/>.  */

#define decimal64FromString __dpd64FromString

#define decimal64ToString __dpd64ToString

#define decimal64ToEngString __dpd64ToEngString

#define decimal64FromNumber __dpd64FromNumber

#define decimal64ToNumber __dpd64ToNumber

#include "dpd/decimal64.c"

#undef decimal64FromString

#undef decimal64ToString

#undef decimal64ToEngString

#undef decimal64FromNumber

#undef decimal64ToNumber

#include "bid-dpd.h"

#ifdef IN_LIBGCC2

#define decimal64FromString __decimal64FromString

#define decimal64ToString __decimal64ToString

#define decimal64ToEngString __decimal64ToEngString

#define decimal64FromNumber __decimal64FromNumber

#define decimal64ToNumber __decimal64ToNumber

#endif

decimal64 *decimal64FromString (decimal64 *, const char *, decContext *);

char *decimal64ToString (const decimal64 *, char *);

char *decimal64ToEngString (const decimal64 *, char *);

decimal64 *decimal64FromNumber (decimal64 *, const decNumber *, decContext *);

decNumber *decimal64ToNumber (const decimal64 *, decNumber *);

void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);

void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);

decimal64 *

decimal64FromNumber (decimal64 *d64, const decNumber *dn,

                      decContext *set)

{

  /* decimal64 and _Decimal64 are different types.  */

  union

    {

      _Decimal64 _Dec;

      decimal64 dec;

    } u;

  __dpd64FromNumber (d64, dn, set);

  /* __dpd64FromNumber returns in big endian. But _dpd_to_bid64 takes

     host endian. */

  __ieee_to_host_64 (*d64, &u._Dec);

  /* Convert DPD to BID.  */

  _dpd_to_bid64 (&u._Dec, &u._Dec);

  /* dfp.c is in bid endian. */

  __host_to_ieee_64 (u._Dec, &u.dec);

  /* d64 is returned as a pointer to _Decimal64 here.  */

  *d64 = u.dec;

  return d64;

}

decNumber *

decimal64ToNumber (const decimal64 *bid64, decNumber *dn)

{

  /* decimal64 and _Decimal64 are different types.  */

  union

    {

      _Decimal64 _Dec;

      decimal64 dec;

    } u;

  /* bid64 is a pointer to _Decimal64 in bid endian. But _bid_to_dpd64

     takes host endian.  */

  __ieee_to_host_64 (*bid64, &u._Dec);

  /* Convert BID to DPD.  */

  _bid_to_dpd64 (&u._Dec, &u._Dec);

  /* __dpd64ToNumber is in bid endian.  */

  __host_to_ieee_64 (u._Dec, &u.dec);

  return __dpd64ToNumber (&u.dec, dn);

}

char *

decimal64ToString (const decimal64 *d64, char *string)

{

  decNumber dn;                 /* work */

  decimal64ToNumber (d64, &dn);

  decNumberToString (&dn, string);

  return string;

}

char *

decimal64ToEngString (const decimal64 *d64, char *string)

{

  decNumber dn;                 /* work */

  decimal64ToNumber (d64, &dn);

  decNumberToEngString (&dn, string);

  return string;

}

decimal64 *

decimal64FromString (decimal64 *result, const char *string,

                      decContext *set)

{

  decContext dc;                /* work */

  decNumber dn;                 /* .. */

  decContextDefault (&dc, DEC_INIT_DECIMAL64);  /* no traps, please */

  dc.round = set->round;        /* use supplied rounding */

  decNumberFromString (&dn, string, &dc);       /* will round if needed */

  decimal64FromNumber (result, &dn, &dc);

  if (dc.status != 0)

    {                           /* something happened */

      decContextSetStatus (set, dc.status);     /* .. pass it on */

    }

  return result;

}