sysdeps/alpha/fpu/s_lroundf.c

   1 /* Copyright (C) 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #define __llroundf      not___llroundf
  20 #define llroundf        not_llroundf
  21 #include <math.h>
  22 #undef __llroundf
  23 #undef llroundf
  24
  25
  26 long int
  27 __lroundf (float x)
  28 {
  29   float adj;
  30
  31   adj = 0x1.fffffep-2;          /* nextafterf (0.5f, 0.0f) */
  32   adj = copysignf (adj, x);
  33   return x + adj;
  34 }
  35
  36 strong_alias (__lroundf, __llroundf)
  37 weak_alias (__lroundf, lroundf)
  38 weak_alias (__llroundf, llroundf)