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/* Copyright (C) 2007-2024 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;
}
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