glibc/sysdeps/powerpc/fpu/s_rintf.c
Richard Henderson 1ed0291c31 Use <> for math.h and math_private.h everywhere.
Entire tree edited via find | grep | sed.
2012-03-09 16:09:10 -08:00

43 lines
1.1 KiB
C

/* Round a 32-bit floating point value to the nearest integer.
Copyright (C) 1997, 2000 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/>. */
#include <math.h>
float
__rintf (float x)
{
static const float TWO23 = 8388608.0;
if (fabsf (x) < TWO23)
{
if (x > 0.0)
{
x += TWO23;
x -= TWO23;
}
else if (x < 0.0)
{
x = TWO23 - x;
x = -(x - TWO23);
}
}
return x;
}
weak_alias (__rintf, rintf)