RunTimeError.h

00001 /*
00002  * Tiny Vector Matrix Library
00003  * Dense Vector Matrix Libary of Tiny size using Expression Templates
00004  *
00005  * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  *
00021  * $Id: RunTimeError.h,v 1.13 2007-06-23 15:58:58 opetzold Exp $
00022  */
00023 
00024 #ifndef TVMET_RUN_TIME_ERROR_H
00025 #define TVMET_RUN_TIME_ERROR_H
00026 
00027 #include <cassert>
00028 
00029 
00030 namespace tvmet {
00031 
00032 
00033 /**
00034  * \def TVMET_RT_CONDITION(XPR, MSG)
00035  * \brief If TVMET_DEBUG is defined it checks the condition XPR and prints
00036  * an error message MSG at runtime.
00037  */
00038 #if defined(TVMET_DEBUG)
00039 
00040 #define TVMET_RT_CONDITION(XPR, MSG) {                    \
00041   if(!(XPR)) {                                \
00042     std::cerr << "[tvmet] Precondition failure in " << __FILE__        \
00043               << ", line " << __LINE__ << ": "                \
00044               << MSG << std::endl;                    \
00045     std::cerr.flush();                            \
00046     assert(0);                                \
00047   }                                    \
00048 }
00049 
00050 #else
00051 
00052 #define TVMET_RT_CONDITION(XPR, MSG)
00053 
00054 #endif
00055 
00056 
00057 } // namespace tvmet
00058 
00059 
00060 #endif // TVMET_RUN_TIME_ERROR_H
00061 
00062 
00063 // Local Variables:
00064 // mode:C++
00065 // tab-width:8
00066 // End: