Teuchos_Utils.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
 
#ifndef TEUCHOS_UTILS_H
#define TEUCHOS_UTILS_H
 
#include "Teuchos_toString.hpp"
 
namespace Teuchos
{
  using std::string;
 
  class TEUCHOSCORE_LIB_DLL_EXPORT Utils
    {
    public:
 
      static void aboutBuild();
 
      static double chop(const double& x);
 
      static double getChopVal() {return chopVal_;}
 
      static void setChopVal(double chopVal) {chopVal_ = chopVal;}
 
      static bool isWhiteSpace( const char c )
        { return ( c==' ' || c =='\t' || c=='\n' ); }
 
      static std::string trimWhiteSpace( const std::string& str );
 
      static std::string toString(const double& x);
 
      static std::string toString(const int& x);
 
      static std::string toString(const long long& x);
 
      static std::string toString(const unsigned int& x);
 
#ifdef M_PI
      static double pi() {return M_PI;}
#else
      static double pi() {return 3.14159265358979323846;}
#endif
 
      static std::string getParallelExtension(
        int    procRank = -1
        ,int   numProcs = -1
        );
 
    private:
      static double chopVal_;
    };
 
 
} // end namespace Teuchos
 
#endif