glibc/sysdeps/alpha/fpu/s_lroundf.c

38 lines
1.1 KiB
C

/* Copyright (C) 2007-2017 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>
#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)
weak_alias (__lroundf, lroundf)
weak_alias (__llroundf, llroundf)