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CoinFinite.hpp
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00001 /* $Id$ */
00002 // Copyright (C) 2002, International Business Machines
00003 // Corporation and others.  All Rights Reserved.
00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
00005 
00006 /* Defines COIN_DBL_MAX and relatives and provides CoinFinite and CoinIsnan. */
00007 
00008 #ifndef CoinFinite_H
00009 #define CoinFinite_H
00010 
00011 #include <limits>
00012 
00013 //=============================================================================
00014 // Smallest positive double value and Plus infinity (double and int)
00015 
00016 #if 1
00017 const double COIN_DBL_MIN = std::numeric_limits<double>::min();
00018 const double COIN_DBL_MAX = std::numeric_limits<double>::max();
00019 const int    COIN_INT_MAX = std::numeric_limits<int>::max();
00020 const double COIN_INT_MAX_AS_DOUBLE = std::numeric_limits<int>::max();
00021 #else
00022 #define COIN_DBL_MIN (std::numeric_limits<double>::min())
00023 #define COIN_DBL_MAX (std::numeric_limits<double>::max())
00024 #define COIN_INT_MAX (std::numeric_limits<int>::max())
00025 #define COIN_INT_MAX_AS_DOUBLE (std::numeric_limits<int>::max())
00026 #endif
00027 
00029 extern bool CoinFinite(double val);
00030 
00032 extern bool CoinIsnan(double val);
00033 
00034 #endif
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