ExampleCompare.cpp

00001 /* 
00002 This file is part of the BIAS library (Basic ImageAlgorithmS).
00003 
00004 Copyright (C) 2003-2009    (see file CONTACT for details)
00005 Multimediale Systeme der Informationsverarbeitung
00006 Institut fuer Informatik
00007 Christian-Albrechts-Universitaet Kiel
00008 
00009 
00010 BIAS is free software; you can redistribute it and/or modify
00011 it under the terms of the GNU Lesser General Public License as published by
00012 the Free Software Foundation; either version 2.1 of the License, or
00013 (at your option) any later version.
00014 
00015 BIAS is distributed in the hope that it will be useful,
00016 but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 GNU Lesser General Public License for more details.
00019 
00020 You should have received a copy of the GNU Lesser General Public License
00021 along with BIAS; if not, write to the Free Software
00022 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 */
00024 
00025 
00026 /**
00027    @example ExampleCompare.cpp
00028    @class ExampleCompare
00029    @relates CompareFloatingPoint
00030    @brief Example for comparing two floats
00031    @ingroup g_examples
00032    @author MIP
00033 */
00034 
00035 #include <Base/Common/CompareFloatingPoint.hh>
00036 #include <iostream>
00037 #include <limits>
00038 
00039 using namespace std;
00040 using namespace BIAS;
00041 
00042 int main(){
00043   double l=1.0e-50, r=1e-49;
00044   cout << l<<" == "<<r<<" is "<<boolalpha << Equal(l, r) << endl;
00045 
00046   BIAS::Less(l, -std::numeric_limits<double>::max());
00047 
00048   return 0;
00049 
00050 }