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/* Returns non-zero if the _Decimal64 is infinite
Copyright (C) 2006 IBM Corporation.
Copyright (C) 2007-2015 Free Software Foundation, Inc.
This file is part of the Decimal Floating Point C Library.
Author(s): Joseph Kerian <jkerian@us.ibm.com>
The Decimal Floating Point C Library is free software; you can
redistribute it and/or modify it under the terms of the GNU Lesser
General Public License version 2.1.
The Decimal Floating Point C Library 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 Lesser General Public License version 2.1 for more details.
You should have received a copy of the GNU Lesser General Public
License version 2.1 along with the Decimal Floating Point C Library;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA.
Please see libdfp/COPYING.txt for more information. */
#include <math.h>
#include <math_private.h>
#include <ieee754r_private.h>
int
__isinfd64 (_Decimal64 x)
{
uint64_t hx;
GET_DEC64_WORD64 (hx, x);
/* 0 1111000 ... == sINF */
return ((hx & DEC64_NAN_MASK64) == DEC64_INF_MASK64) ?
((hx & UINT64_C(0x8000000000000000)) ? -1 : 1) : 0;
}
hidden_def (__isinfd64)
weak_alias (__isinfd64, isinfd64)
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