glibc/sysdeps/aarch64/fpu/s_lrintf.c

36 lines
1.1 KiB
C

/* Copyright (C) 2011-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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 C 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 C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <math-barriers.h>
#include <libm-alias-float.h>
long int
__lrintf (float x)
{
float r = __builtin_rintf (x);
/* Prevent gcc from calling lrintf directly when compiled with
-fno-math-errno by inserting a barrier. */
math_opt_barrier (r);
return r;
}
libm_alias_float (__lrint, lrint)