[thirdparty/glibc.git] / sysdeps / aarch64 / fpu / s_lrintf.c

/* Copyright (C) 2011-2023 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)
Commit	Line	Data
6d7e8eda	1	/* Copyright (C) 2011-2023 Free Software Foundation, Inc.
a6d9783f MS	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
5a82c748	17	<https://www.gnu.org/licenses/>. */
a6d9783f	18
5062680c	19	#include <math.h>
b4d5b8b0	20	#include <math-barriers.h>
15ff4900	21	#include <libm-alias-float.h>
5062680c MC	22
	23	long int
	24	__lrintf (float x)
	25	{
	26	float r = __builtin_rintf (x);
	27
	28	/* Prevent gcc from calling lrintf directly when compiled with
	29	-fno-math-errno by inserting a barrier. */
	30
	31	math_opt_barrier (r);
	32	return r;
	33	}
	34
15ff4900	35	libm_alias_float (__lrint, lrint)