[gcc] GCC 4.5.0=>4.5.1

gcc/mpfr/dim.c

-/* mpfr_dim -- positive difference
-
-Copyright 2001, 2002, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU MPFR Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or (at your
-option) any later version.
-
-The GNU MPFR 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 for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include "mpfr-impl.h"
-
-/* dim (x,y) is defined as:
-
-    x-y if x >  y
-    +0    if x <= y
-*/
-
-int
-mpfr_dim (mpfr_ptr z, mpfr_srcptr x, mpfr_srcptr y, mp_rnd_t rnd_mode)
-{
-  if (MPFR_IS_NAN(x) || MPFR_IS_NAN(y))
-    {
-      MPFR_SET_NAN(z);
-      MPFR_RET_NAN;
-    }
-
-  if (mpfr_cmp (x,y) > 0)
-    return mpfr_sub (z, x, y, rnd_mode);
-  else
-    {
-      MPFR_SET_ZERO(z);
-      MPFR_SET_POS(z);
-      MPFR_RET(0);
-    }
-}