sysdeps/aarch64/fpu/s_llrintf.c

   1 /* Copyright (C) 2011-2018 Free Software Foundation, Inc.
   2
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <math.h>
  20 #include <math-barriers.h>
  21 #include <libm-alias-float.h>
  22
  23 long long int
  24 __llrintf (float x)
  25 {
  26   float r = __builtin_rintf (x);
  27
  28   /* Prevent gcc from calling llrintf directly when compiled with
  29      -fno-math-errno by inserting a barrier.  */
  30
  31
  32   math_opt_barrier (r);
  33   return r;
  34 }
  35
  36 libm_alias_float (__llrint, llrint)