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/* vi: set sw=4 ts=4: */
/*
* rint for uClibc
*
* Copyright (C) 2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <math.h>
/* From the Linux man page:
*
* NAME
* rint - round to closest integer
*
* SYNOPSIS
* #include <math.h>
* double rint(double x);
*
* DESCRIPTION
* The rint() function rounds x to an integer value according
* to the prevalent rounding mode. The default rounding mode
* is to round to the nearest integer.
*
* RETURN VALUE
* The rint() function returns the integer value as a float
* ing-point number.
*/
double rint (double x) {
double low = floor(x);
if (fmod(x,low) >= (double)0.5)
return(ceil(x));
else
return(low);
}
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