if_in_parentheses.h
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1 /*
2  * This file is part of ArmarX.
3  *
4  * Copyright (C) 2011-2016, High Performance Humanoid Technologies (H2T), Karlsruhe Institute of Technology (KIT), all rights reserved.
5  *
6  * ArmarX is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * ArmarX is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  *
18  * @package ArmarXCore
19  * @author Raphael Grimm ( raphael dot grimm at kit dot edu)
20  * @date 2016
21  * @copyright http://www.gnu.org/licenses/gpl-2.0.txt
22  * GNU General Public License
23  */
24 #pragma once
25 
26 #include "tuple_element.h"
27 
28 /**
29  * @brief If the first parameter is in parenthesis, the second parameter is returned, otherwise the third is returned
30  * \ingroup CPreprocessor
31  */
32 #define _detail_ARMARX_IF_IN_PARENTHESIS_EXPAND(...) ,
33 #define ARMARX_IF_IN_PARENTHESIS(cond,t,f) ARMARX_THIRD_PARAMETER(_detail_ARMARX_IF_IN_PARENTHESIS_EXPAND cond,t,f)
34 
tuple_element.h