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/*
* macros.h
*
* Written by: Ullrich Hafner
*
* This file is part of FIASCO (Fractal Image And Sequence COdec)
* Copyright (C) 1994-2000 Ullrich Hafner
*/
/*
* $Date: 2000/06/14 20:49:37 $
* $Author: hafner $
* $Revision: 5.1 $
* $State: Exp $
*/
#ifndef _MACROS_H
#define _MACROS_H
#include <string.h>
/*******************************************************************************
System configuration section
*******************************************************************************/
#ifndef SEEK_CUR
# define SEEK_CUR 1
#endif /* not SEEK_CUR */
/*****************************************************************************
Various macros
*****************************************************************************/
#define square(x) ((x) * (x))
#define first_band(color) ((unsigned) ((color) ? Y : GRAY))
#define last_band(color) ((unsigned) ((color) ? Cr : GRAY))
#define width_of_level(l) ((unsigned) (1 << ((l) >> 1)))
#define height_of_level(l) ((unsigned) (1 << (((l) + 1) >> 1)))
#define size_of_level(l) ((unsigned) (1 << (l)))
#define address_of_level(l) ((unsigned) (size_of_level (l) - 1))
#define size_of_tree(l) ((unsigned) (address_of_level ((l) + 1)))
#define is_odd(n) (abs (n) % 2)
#define _(x) (x)
#define MAXSTRLEN 1024
#define MAXSTRLEN_SCANF "%1024s"
typedef enum color {GRAY = 0, Y = 0, Cb = 1, Cr = 2} color_e;
#endif /* _MACROS_H */
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