#if !defined( COMMON_H )
#define COMMON_H
/*
* Common macros.
* Copyright (C) 2015 Michael Goehler
*
* This file is part of mdp.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* type: bool variable stores only true or false.
*
* macro: MAX returns the higher one of two input variables
* macro: MIN returns the lower one of two input variables
*
*/
#if defined( __STDC__ ) // for standard C compiler
#if __STDC_VERSION__ >= 199901L // for C99 and later
#include <stdbool.h>
#else // __STDC_VERSION__ >= 199901L
#if !defined( bool )
typedef enum {
false = 0,
true = 1
} bool;
#endif // !defined( bool )
#endif // __STDC_VERSION__ >= 199901L
#else // defined( __STDC__ )
#define bool int
#define true 1
#define false 0
#endif // defined( __STDC__ )
#define MAX(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a > _b? _a : _b; })
#define MIN(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a < _b? _a : _b; })
#endif // !defined( COMMON_H )