Teuchos_Utils.hpp

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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //                    Teuchos: Common Tools Package
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TEUCHOS_UTILS_H
00030 #define TEUCHOS_UTILS_H
00031 
00036 #include "Teuchos_toString.hpp"
00037 
00042 namespace Teuchos
00043 {
00044   using std::string;
00045 
00046   class Utils
00047     {
00048     public:
00049 
00051       static void aboutBuild();
00052 
00055       static double chop(const double& x);
00056 
00059       static double getChopVal() {return chopVal_;}
00060 
00063       static void setChopVal(double chopVal) {chopVal_ = chopVal;}
00064 
00066       static bool isWhiteSpace( const char c )
00067         { return ( c==' ' || c =='\t' || c=='\n' ); }
00068 
00070       static std::string trimWhiteSpace( const std::string& str );
00071 
00073       static std::string toString(const double& x);
00074 
00076       static std::string toString(const int& x);
00077 
00079       static std::string toString(const unsigned int& x);
00080 
00082 #ifdef M_PI
00083       static double pi() {return M_PI;}
00084 #else
00085       static double pi() {return 3.14159265358979323846;}
00086 #endif
00087 
00089       static std::string getParallelExtension(
00090         int    procRank = -1
00091         ,int   numProcs = -1
00092         );
00093 
00094     private:
00095       static double chopVal_;
00096     };
00097 
00098 
00099 } // end namespace Teuchos
00100 
00101 #endif
00102 
00103 
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