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/* babl - dynamically extendable universal pixel conversion library.
* Copyright (C) 2005, Øyvind Kolås.
*
* 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 3 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, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef _UTIL_H
#define _UTIL_H
#include <assert.h>
#include <math.h>
#include "config.h"
#ifndef HAVE_RINT
# define rint(f) (floor (((double) (f)) + 0.5))
#endif
#define BABL_PLANAR_SANITY \
{ \
assert(src_bands>0); \
assert(dst_bands>0); \
assert(src); \
assert(*src); \
assert(dst); \
assert(*dst); \
assert(n>0); \
assert(*src_pitch); \
}
#define BABL_PLANAR_STEP \
{ \
int i; \
for (i=0; i< src_bands; i++) \
src[i]+=src_pitch[i]; \
for (i=0; i< dst_bands; i++) \
dst[i]+=dst_pitch[i]; \
}
#endif
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