1/* This is a software decimal floating point library.
2 Copyright (C) 2007-2024 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23<http://www.gnu.org/licenses/>. */
24
25/* This implements IEEE 754R decimal floating point arithmetic, but
26 does not provide a mechanism for setting the rounding mode, or for
27 generating or handling exceptions. Conversions between decimal
28 floating point types and other types depend on C library functions.
29
30 Contributed by Ben Elliston <bje@au.ibm.com>. */
31
32/* The intended way to use this file is to make two copies, add `#define '
33 to one copy, then compile both copies and add them to libgcc.a. */
34
35#include <string.h>
36#include "bid-dpd.h"
37#include "decimal32.h"
38
39void __host_to_ieee_32 (_Decimal32 in, decimal32 *out);
40void __ieee_to_host_32 (decimal32 in, _Decimal32 *out);
41
42void
43__host_to_ieee_32 (_Decimal32 in, decimal32 *out)
44{
45 memcpy (dest: (char *) out, src: (char *) &in, n: 4);
46}
47
48void
49__ieee_to_host_32 (decimal32 in, _Decimal32 *out)
50{
51 memcpy (dest: (char *) out, src: (char *) &in, n: 4);
52}
53

source code of libdecnumber/bid/host-ieee32.c