53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* This is a software decimal floating point library.
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This implements IEEE 754R decimal floating point arithmetic, but
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does not provide a mechanism for setting the rounding mode, or for
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generating or handling exceptions. Conversions between decimal
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floating point types and other types depend on C library functions.
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Contributed by Ben Elliston <bje@au.ibm.com>. */
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/* The intended way to use this file is to make two copies, add `#define '
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to one copy, then compile both copies and add them to libgcc.a. */
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#include <string.h>
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#include "bid-dpd.h"
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#include "decimal32.h"
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void __host_to_ieee_32 (_Decimal32 in, decimal32 *out);
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void __ieee_to_host_32 (decimal32 in, _Decimal32 *out);
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void
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__host_to_ieee_32 (_Decimal32 in, decimal32 *out)
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{
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memcpy ((char *) out, (char *) &in, 4);
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}
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void
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__ieee_to_host_32 (decimal32 in, _Decimal32 *out)
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{
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memcpy ((char *) out, (char *) &in, 4);
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}
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