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# /home/coin/svn-release/Alps-1.4.6/CoinUtils/src/CoinFinite.hpp

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    00001 /* $Id: CoinFinite.hpp 1423 2011-04-30 10:17:48Z stefan $ */
    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