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/* Copyright (C) 2007-2022 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 decimal32FromString __dpd32FromString
#define decimal32ToString __dpd32ToString
#define decimal32ToEngString __dpd32ToEngString
#define decimal32FromNumber __dpd32FromNumber
#define decimal32ToNumber __dpd32ToNumber
#include "dpd/decimal32.c"
#undef decimal32FromString
#undef decimal32ToString
#undef decimal32ToEngString
#undef decimal32FromNumber
#undef decimal32ToNumber
#include "bid-dpd.h"
#ifdef IN_LIBGCC2
#define decimal32FromString __decimal32FromString
#define decimal32ToString __decimal32ToString
#define decimal32ToEngString __decimal32ToEngString
#define decimal32FromNumber __decimal32FromNumber
#define decimal32ToNumber __decimal32ToNumber
#endif
decimal32 *decimal32FromString (decimal32 *, const char *, decContext *);
char *decimal32ToString (const decimal32 *, char *);
char *decimal32ToEngString (const decimal32 *, char *);
decimal32 *decimal32FromNumber (decimal32 *, const decNumber *, decContext *);
decNumber *decimal32ToNumber (const decimal32 *, decNumber *);
void __host_to_ieee_32 (_Decimal32 in, decimal32 *out);
void __ieee_to_host_32 (decimal32 in, _Decimal32 *out);
decimal32 *
decimal32FromNumber (decimal32 *d32, const decNumber *dn,
decContext *set)
{
/* decimal32 and _Decimal32 are different types. */
union
{
_Decimal32 _Dec;
decimal32 dec;
} u;
__dpd32FromNumber (d32, dn, set);
/* __dpd32FromNumber returns in big endian. But _dpd_to_bid32 takes
host endian. */
__ieee_to_host_32 (*d32, &u._Dec);
/* Convert DPD to BID. */
_dpd_to_bid32 (&u._Dec, &u._Dec);
/* dfp.c is in bid endian. */
__host_to_ieee_32 (u._Dec, &u.dec);
/* d32 is returned as a pointer to _Decimal32 here. */
*d32 = u.dec;
return d32;
}
decNumber *
decimal32ToNumber (const decimal32 *bid32, decNumber *dn)
{
/* decimal32 and _Decimal32 are different types. */
union
{
_Decimal32 _Dec;
decimal32 dec;
} u;
/* bid32 is a pointer to _Decimal32 in bid endian. But _bid_to_dpd32
takes host endian. */
__ieee_to_host_32 (*bid32, &u._Dec);
/* Convert BID to DPD. */
_bid_to_dpd32 (&u._Dec, &u._Dec);
/* __dpd32ToNumber is in bid endian. */
__host_to_ieee_32 (u._Dec, &u.dec);
return __dpd32ToNumber (&u.dec, dn);
}
char *
decimal32ToString (const decimal32 *d32, char *string)
{
decNumber dn; /* work */
decimal32ToNumber (d32, &dn);
decNumberToString (&dn, string);
return string;
}
char *
decimal32ToEngString (const decimal32 *d32, char *string)
{
decNumber dn; /* work */
decimal32ToNumber (d32, &dn);
decNumberToEngString (&dn, string);
return string;
}
decimal32 *
decimal32FromString (decimal32 *result, const char *string,
decContext *set)
{
decContext dc; /* work */
decNumber dn; /* .. */
decContextDefault (&dc, DEC_INIT_DECIMAL32); /* no traps, please */
dc.round = set->round; /* use supplied rounding */
decNumberFromString (&dn, string, &dc); /* will round if needed */
decimal32FromNumber (result, &dn, &dc);
if (dc.status != 0)
{ /* something happened */
decContextSetStatus (set, dc.status); /* .. pass it on */
}
return result;
}
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