mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/* Copyright (C) 2007-2013 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;
|
|
}
|