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/* Returns true if x and y have the same exponent
Copyright (C) 2006 IBM Corporation.
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 dfp/COPYING.txt for more information. */
#ifndef _DECIMAL_SIZE
# include <decimal32.h>
# define _DECIMAL_SIZE 32
#endif
#include <decContext.h>
#include <decNumber.h>
#include <math.h>
#define FUNCTION_NAME samequantum
#include <dfpmacro.h>
_Bool
INTERNAL_FUNCTION_NAME (DEC_TYPE x, DEC_TYPE y)
{
decNumber dn_x;
decNumber dn_y;
FUNC_CONVERT_TO_DN(&x, &dn_x);
FUNC_CONVERT_TO_DN(&y, &dn_y);
if(___decNumberIsNaN(&dn_x) && ___decNumberIsNaN(&dn_y))
return true;
if(___decNumberIsNaN(&dn_x) || ___decNumberIsNaN(&dn_y))
return false;
if(___decNumberIsInfinite(&dn_x) && ___decNumberIsInfinite(&dn_y))
return true;
if(___decNumberIsInfinite(&dn_x) || ___decNumberIsInfinite(&dn_y))
return false;
return (dn_x.exponent + dn_x.digits == dn_y.exponent + dn_y.digits);
}
weak_alias (INTERNAL_FUNCTION_NAME, EXTERNAL_FUNCTION_NAME)
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