2012-03-27 23:13:14 +00:00
|
|
|
/* This is a software decimal floating point library.
|
2022-10-27 18:55:19 +00:00
|
|
|
Copyright (C) 2007-2022 Free Software Foundation, Inc.
|
2012-03-27 23:13:14 +00:00
|
|
|
|
|
|
|
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/>. */
|
|
|
|
|
|
|
|
/* This implements IEEE 754R decimal floating point arithmetic, but
|
|
|
|
does not provide a mechanism for setting the rounding mode, or for
|
|
|
|
generating or handling exceptions. Conversions between decimal
|
|
|
|
floating point types and other types depend on C library functions.
|
|
|
|
|
|
|
|
Contributed by Ben Elliston <bje@au.ibm.com>. */
|
|
|
|
|
|
|
|
/* The intended way to use this file is to make two copies, add `#define '
|
|
|
|
to one copy, then compile both copies and add them to libgcc.a. */
|
|
|
|
|
|
|
|
#include <string.h>
|
|
|
|
#include "bid-dpd.h"
|
|
|
|
#include "decimal64.h"
|
|
|
|
|
|
|
|
void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);
|
|
|
|
void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);
|
|
|
|
|
|
|
|
void
|
|
|
|
__host_to_ieee_64 (_Decimal64 in, decimal64 *out)
|
|
|
|
{
|
|
|
|
memcpy ((char *) out, (char *) &in, 8);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__ieee_to_host_64 (decimal64 in, _Decimal64 *out)
|
|
|
|
{
|
|
|
|
memcpy ((char *) out, (char *) &in, 8);
|
|
|
|
}
|