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/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Chun-wei Fan <fanc999@yahoo.com.tw>
*
* Author: Chun-wei Fan <fanc999@yahoo.com.tw>
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <math.h>
/* Workaround for round() for non-GCC/non-C99 compilers */
#ifndef HAVE_ROUND
static inline double
round (double x)
{
if (x >= 0)
return floor (x + 0.5);
else
return ceil (x - 0.5);
}
#endif
/* Workaround for rint() for non-GCC/non-C99 compilers */
#ifndef HAVE_RINT
static inline double
rint (double x)
{
if (ceil (x + 0.5) == floor (x + 0.5))
{
int a;
a = (int) ceil (x);
if (a % 2 == 0)
return ceil (x);
else
return floor (x);
}
else
{
if (x >= 0)
return floor (x + 0.5);
else
return ceil (x - 0.5);
}
}
#endif
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