lib/roundl.c

   1 /* Round toward nearest, breaking ties away from zero.
   2    Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License along
  15    with this program; if not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
  20
  21 /* Specification.  */
  22 # include <math.h>
  23
  24 long double
  25 roundl (long double x)
  26 {
  27   return round (x);
  28 }
  29
  30 #else
  31
  32 # define USE_LONG_DOUBLE
  33 # include "round.c"
  34
  35 #endif