[thirdparty/glibc.git] / sysdeps / alpha / fpu / s_lroundf.c

/* Copyright (C) 2007-2019 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
   <http://www.gnu.org/licenses/>.  */

#define __llroundf	not___llroundf
#define llroundf	not_llroundf
#include <math.h>
#include <libm-alias-float.h>
#undef __llroundf
#undef llroundf


long int
__lroundf (float x)
{
  float adj, y;

  adj = copysignf (0.5f, x);
  asm("adds/suc %1,%2,%0" : "=&f"(y) : "f"(x), "f"(adj));
  return y;
}

strong_alias (__lroundf, __llroundf)
libm_alias_float (__lround, lround)
libm_alias_float (__llround, llround)
Commit	Line	Data
04277e02	1	/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
f878f0bb RH	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
ab84e3ff PE	15	License along with the GNU C Library. If not, see
ab84e3ff PE	16	<http://www.gnu.org/licenses/>. */
f878f0bb RH	17
	18	#define __llroundf not___llroundf
	19	#define llroundf not_llroundf
	20	#include <math.h>
f433d0b3	21	#include <libm-alias-float.h>
f878f0bb RH	22	#undef __llroundf
	23	#undef llroundf
	24
	25
	26	long int
	27	__lroundf (float x)
	28	{
ca7b945c	29	float adj, y;
f878f0bb	30
ca7b945c RH	31	adj = copysignf (0.5f, x);
	32	asm("adds/suc %1,%2,%0" : "=&f"(y) : "f"(x), "f"(adj));
	33	return y;
f878f0bb RH	34	}
	35
	36	strong_alias (__lroundf, __llroundf)
f433d0b3 JM	37	libm_alias_float (__lround, lround)
f433d0b3 JM	38	libm_alias_float (__llround, llround)