soft-fp/negdf2.c


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/* Software floating-point emulation.
   Return -a
   Copyright (C) 1997,1999 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Richard Henderson (rth@cygnus.com) and
		  Jakub Jelinek (jj@ultra.linux.cz).

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If
   not, write to the Free Software Foundation, Inc.,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "soft-fp.h"
#include "double.h"

double __negdf2(double a)
{
  FP_DECL_EX;
  FP_DECL_D(A); FP_DECL_D(R);
  double r;

  FP_UNPACK_D(A, a);
  FP_NEG_D(R, A);
  FP_PACK_D(r, R);
  FP_CLEAR_EXCEPTIONS;
  FP_HANDLE_EXCEPTIONS;

  return r;
}