Subversion Repositories openrisc_2011-10-31

/* Temporary library support for decimal floating point.

   Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.

   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/>.  */

#include "dconfig.h"

#include "decContext.h"

#include "decimal128.h"

#include "decimal64.h"

#include "decimal32.h"

void __host_to_ieee_32 (_Decimal32, decimal32 *);

void __host_to_ieee_64 (_Decimal64, decimal64 *);

void __host_to_ieee_128 (_Decimal128, decimal128 *);

extern int isinfd32 (_Decimal32);

extern int isinfd64 (_Decimal64);

extern int isinfd128 (_Decimal128);

uint32_t __dec_byte_swap (uint32_t);

int

isinfd32 (_Decimal32 arg)

{

  decNumber dn;

  decimal32 d32;

  __host_to_ieee_32 (arg, &d32);

  decimal32ToNumber (&d32, &dn);

  return (decNumberIsInfinite (&dn));

}

int

isinfd64 (_Decimal64 arg)

{

  decNumber dn;

  decimal64 d64;

  __host_to_ieee_64 (arg, &d64);

  decimal64ToNumber (&d64, &dn);

  return (decNumberIsInfinite (&dn));

}

int

isinfd128 (_Decimal128 arg)

{

  decNumber dn;

  decimal128 d128;

  __host_to_ieee_128 (arg, &d128);

  decimal128ToNumber (&d128, &dn);

  return (decNumberIsInfinite (&dn));

}