mirror of git://gcc.gnu.org/git/gcc.git
145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/* Copyright (C) 2007-2019 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;
|
|
}
|