1 #if !defined( COMMON_H )
6 * Copyright (C) 2018 Michael Goehler
8 * This file is part of mdp.
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * type: bool variable stores only true or false.
26 * macro: MAX returns the higher one of two input variables
27 * macro: MIN returns the lower one of two input variables
31 #if defined( __STDC__ ) // for standard C compiler
32 #if __STDC_VERSION__ >= 199901L // for C99 and later
34 #else // __STDC_VERSION__ >= 199901L
40 #endif // !defined( bool )
41 #endif // __STDC_VERSION__ >= 199901L
42 #else // defined( __STDC__ )
46 #endif // defined( __STDC__ )
48 #define MAX(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a > _b? _a : _b; })
49 #define MIN(a, b) ({ typeof(a) _a = a; typeof(b) _b = b; _a < _b? _a : _b; })
51 #endif // !defined( COMMON_H )