glibc/ports/sysdeps/alpha/fpu/s_lroundf.c

38 lines
1.1 KiB
C

/* Copyright (C) 2007 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;
adj = 0x1.fffffep-2; /* nextafterf (0.5f, 0.0f) */
adj = copysignf (adj, x);
return x + adj;
}
strong_alias (__lroundf, __llroundf)
weak_alias (__lroundf, lroundf)
weak_alias (__llroundf, llroundf)