Teuchos_Utils.cpp

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// @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.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
// 
// ***********************************************************************
// @HEADER

#include "Teuchos_Utils.hpp"

namespace Teuchos
{

// These characters are needed for BLAS & LAPACK routines for compile time debugging
char ESideChar[] = {'L' , 'R' };
char ETranspChar[] = {'N' , 'T' , 'C' };
char EUploChar[] = {'U' , 'L' };
char EDiagChar[] = {'U' , 'N' };
char EFactChar[] = {'F', 'N' };
char ENormChar[] = {'O', 'I' };
char ECompQChar[] = {'N', 'I', 'V' };
char EJobChar[] = {'E', 'V', 'B' };
char EJobSChar[] = {'E', 'S' };
char EJobVSChar[] = {'V', 'N' };
char EHowmnyChar[] = {'A', 'S' };
char ECMachChar[] = {'E', 'S', 'B', 'P', 'N', 'R', 'M', 'U', 'L', 'O' };
char ESortChar[] = {'N', 'S'};

double Utils::chopVal_ = 1.0e-16;


double Utils::chop(const double& x) 
{
  if (fabs(x) < chopVal_) return 0;
  return x;
}

string Utils::toString(const int& x)
{
  char s[100];
  sprintf(s, "%d", x);
  return string(s);
}

string Utils::toString(const double& x)
{
  char s[100];
  sprintf(s, "%g", x);
  return string(s);
}


} // end namespace Teuchos

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