glibc/sysdeps/alpha/fpu/s_lround.c

39 lines
1.2 KiB
C

/* Copyright (C) 2007-2023 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/>. */
#define __llround not___llround
#define llround not_llround
#include <math.h>
#include <math_ldbl_opt.h>
#include <libm-alias-double.h>
#undef __llround
#undef llround
long int
__lround (double x)
{
double adj, y;
adj = copysign (0.5, x);
asm("addt/suc %1,%2,%0" : "=&f"(y) : "f"(x), "f"(adj));
return y;
}
strong_alias (__lround, __llround)
libm_alias_double (__lround, lround)
libm_alias_double (__llround, llround)