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[/] [openrisc/] [tags/] [gnu-src/] [gdb-6.8/] [pre-binutils-2.20.1-sync/] [libdecnumber/] [bid/] [decimal64.c] - Diff between revs 157 and 223

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/* Copyright (C) 2007
/* Copyright (C) 2007
   Free Software Foundation, Inc.
   Free Software Foundation, Inc.
 
 
This file is part of GCC.
This file is part of GCC.
 
 
GCC is free software; you can redistribute it and/or modify it under
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
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
Software Foundation; either version 2, or (at your option) any later
version.
version.
 
 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.
for more details.
 
 
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to the Free
along with GCC; see the file COPYING.  If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.  */
02110-1301, USA.  */
 
 
/* As a special exception, if you link this library with other files,
/* As a special exception, if you link this library with other files,
   some of which are compiled with GCC, to produce an executable,
   some of which are compiled with GCC, to produce an executable,
   this library does not by itself cause the resulting executable
   this library does not by itself cause the resulting executable
   to be covered by the GNU General Public License.
   to be covered by the GNU General Public License.
   This exception does not however invalidate any other reasons why
   This exception does not however invalidate any other reasons why
   the executable file might be covered by the GNU General Public License.  */
   the executable file might be covered by the GNU General Public License.  */
 
 
#define decimal64FromString __dpd64FromString
#define decimal64FromString __dpd64FromString
#define decimal64ToString __dpd64ToString
#define decimal64ToString __dpd64ToString
#define decimal64ToEngString __dpd64ToEngString
#define decimal64ToEngString __dpd64ToEngString
#define decimal64FromNumber __dpd64FromNumber
#define decimal64FromNumber __dpd64FromNumber
#define decimal64ToNumber __dpd64ToNumber
#define decimal64ToNumber __dpd64ToNumber
 
 
#include "dpd/decimal64.c"
#include "dpd/decimal64.c"
 
 
#undef decimal64FromString
#undef decimal64FromString
#undef decimal64ToString
#undef decimal64ToString
#undef decimal64ToEngString
#undef decimal64ToEngString
#undef decimal64FromNumber
#undef decimal64FromNumber
#undef decimal64ToNumber
#undef decimal64ToNumber
 
 
#include "bid-dpd.h"
#include "bid-dpd.h"
 
 
#ifdef IN_LIBGCC2
#ifdef IN_LIBGCC2
#define decimal64FromString __decimal64FromString
#define decimal64FromString __decimal64FromString
#define decimal64ToString __decimal64ToString
#define decimal64ToString __decimal64ToString
#define decimal64ToEngString __decimal64ToEngString
#define decimal64ToEngString __decimal64ToEngString
#define decimal64FromNumber __decimal64FromNumber
#define decimal64FromNumber __decimal64FromNumber
#define decimal64ToNumber __decimal64ToNumber
#define decimal64ToNumber __decimal64ToNumber
#endif
#endif
 
 
decimal64 *decimal64FromString (decimal64 *, const char *, decContext *);
decimal64 *decimal64FromString (decimal64 *, const char *, decContext *);
char *decimal64ToString (const decimal64 *, char *);
char *decimal64ToString (const decimal64 *, char *);
char *decimal64ToEngString (const decimal64 *, char *);
char *decimal64ToEngString (const decimal64 *, char *);
decimal64 *decimal64FromNumber (decimal64 *, const decNumber *, decContext *);
decimal64 *decimal64FromNumber (decimal64 *, const decNumber *, decContext *);
decNumber *decimal64ToNumber (const decimal64 *, decNumber *);
decNumber *decimal64ToNumber (const decimal64 *, decNumber *);
 
 
void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);
void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);
void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);
void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);
 
 
decimal64 *
decimal64 *
decimal64FromNumber (decimal64 *d64, const decNumber *dn,
decimal64FromNumber (decimal64 *d64, const decNumber *dn,
                      decContext *set)
                      decContext *set)
{
{
  /* decimal64 and _Decimal64 are different types.  */
  /* decimal64 and _Decimal64 are different types.  */
  union
  union
    {
    {
      _Decimal64 _Dec;
      _Decimal64 _Dec;
      decimal64 dec;
      decimal64 dec;
    } u;
    } u;
 
 
  __dpd64FromNumber (d64, dn, set);
  __dpd64FromNumber (d64, dn, set);
 
 
  /* __dpd64FromNumber returns in big endian. But _dpd_to_bid64 takes
  /* __dpd64FromNumber returns in big endian. But _dpd_to_bid64 takes
     host endian. */
     host endian. */
  __ieee_to_host_64 (*d64, &u._Dec);
  __ieee_to_host_64 (*d64, &u._Dec);
 
 
  /* Convert DPD to BID.  */
  /* Convert DPD to BID.  */
  _dpd_to_bid64 (&u._Dec, &u._Dec);
  _dpd_to_bid64 (&u._Dec, &u._Dec);
 
 
  /* dfp.c is in bid endian. */
  /* dfp.c is in bid endian. */
  __host_to_ieee_64 (u._Dec, &u.dec);
  __host_to_ieee_64 (u._Dec, &u.dec);
 
 
  /* d64 is returned as a pointer to _Decimal64 here.  */
  /* d64 is returned as a pointer to _Decimal64 here.  */
  *d64 = u.dec;
  *d64 = u.dec;
 
 
  return d64;
  return d64;
}
}
 
 
decNumber *
decNumber *
decimal64ToNumber (const decimal64 *bid64, decNumber *dn)
decimal64ToNumber (const decimal64 *bid64, decNumber *dn)
{
{
  /* decimal64 and _Decimal64 are different types.  */
  /* decimal64 and _Decimal64 are different types.  */
  union
  union
    {
    {
      _Decimal64 _Dec;
      _Decimal64 _Dec;
      decimal64 dec;
      decimal64 dec;
    } u;
    } u;
 
 
  /* bid64 is a pointer to _Decimal64 in bid endian. But _bid_to_dpd64
  /* bid64 is a pointer to _Decimal64 in bid endian. But _bid_to_dpd64
     takes host endian.  */
     takes host endian.  */
  __ieee_to_host_64 (*bid64, &u._Dec);
  __ieee_to_host_64 (*bid64, &u._Dec);
 
 
  /* Convert BID to DPD.  */
  /* Convert BID to DPD.  */
  _bid_to_dpd64 (&u._Dec, &u._Dec);
  _bid_to_dpd64 (&u._Dec, &u._Dec);
 
 
  /* __dpd64ToNumber is in bid endian.  */
  /* __dpd64ToNumber is in bid endian.  */
  __host_to_ieee_64 (u._Dec, &u.dec);
  __host_to_ieee_64 (u._Dec, &u.dec);
 
 
  return __dpd64ToNumber (&u.dec, dn);
  return __dpd64ToNumber (&u.dec, dn);
}
}
 
 
char *
char *
decimal64ToString (const decimal64 *d64, char *string)
decimal64ToString (const decimal64 *d64, char *string)
{
{
  decNumber dn;                 /* work */
  decNumber dn;                 /* work */
  decimal64ToNumber (d64, &dn);
  decimal64ToNumber (d64, &dn);
  decNumberToString (&dn, string);
  decNumberToString (&dn, string);
  return string;
  return string;
}
}
 
 
char *
char *
decimal64ToEngString (const decimal64 *d64, char *string)
decimal64ToEngString (const decimal64 *d64, char *string)
{
{
  decNumber dn;                 /* work */
  decNumber dn;                 /* work */
  decimal64ToNumber (d64, &dn);
  decimal64ToNumber (d64, &dn);
  decNumberToEngString (&dn, string);
  decNumberToEngString (&dn, string);
  return string;
  return string;
}
}
 
 
decimal64 *
decimal64 *
decimal64FromString (decimal64 *result, const char *string,
decimal64FromString (decimal64 *result, const char *string,
                      decContext *set)
                      decContext *set)
{
{
  decContext dc;                /* work */
  decContext dc;                /* work */
  decNumber dn;                 /* .. */
  decNumber dn;                 /* .. */
 
 
  decContextDefault (&dc, DEC_INIT_DECIMAL64);  /* no traps, please */
  decContextDefault (&dc, DEC_INIT_DECIMAL64);  /* no traps, please */
  dc.round = set->round;        /* use supplied rounding */
  dc.round = set->round;        /* use supplied rounding */
 
 
  decNumberFromString (&dn, string, &dc);       /* will round if needed */
  decNumberFromString (&dn, string, &dc);       /* will round if needed */
  decimal64FromNumber (result, &dn, &dc);
  decimal64FromNumber (result, &dn, &dc);
  if (dc.status != 0)
  if (dc.status != 0)
    {                           /* something happened */
    {                           /* something happened */
      decContextSetStatus (set, dc.status);     /* .. pass it on */
      decContextSetStatus (set, dc.status);     /* .. pass it on */
    }
    }
  return result;
  return result;
}
}
 
 

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