view lib/roundl.c @ 17426:90f3d53e01f5

sig2str: port to C++ * lib/sig2str.h (sig2str, str2sig): Declare as extern "C". Reported by Daniel J Sebald in <http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00000.html>.
author Paul Eggert <eggert@cs.ucla.edu>
date Sun, 02 Jun 2013 11:52:41 -0700
parents e542fd46ad6f
children
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/* Round toward nearest, breaking ties away from zero.
   Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.

   This program 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 2, or (at your option)
   any later version.

   This program 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.

   You should have received a copy of the GNU General Public License along
   with this program; if not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE

/* Specification.  */
# include <math.h>

long double
roundl (long double x)
{
  return round (x);
}

#else

# define USE_LONG_DOUBLE
# include "round.c"

#endif