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_ConfigDefs.hpp" 00037 00042 namespace Teuchos 00043 { 00044 using std::string; 00045 00046 class Utils 00047 { 00048 public: 00052 static void aboutBuild(); 00053 00057 static double chop(const double& x); 00058 00062 static string toString(const double& x); 00063 00067 static string toString(const int& x); 00068 00072 static double infinity() {return HUGE_VAL;} 00073 00077 static double negativeInfinity() {return -HUGE_VAL;} 00078 00082 static double pi() {return M_PI;} 00083 00087 static double getChopVal() {return chopVal_;} 00091 static void setChopVal(double chopVal) {chopVal_ = chopVal;} 00092 00093 private: 00094 static double chopVal_; 00095 }; 00096 00098 inline string toString(const int& x) {return Utils::toString(x);} 00099 00101 inline string toString(const double& x) {return Utils::toString(x);} 00102 00104 inline string toString(const string& x) {return x;} 00105 00106 } // end namespace Teuchos 00107 00108 #endif 00109 00110
1.3.9.1