/usr/include/trilinos/Teuchos_Utils.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// ***********************************************************************
//
// 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
#ifndef TEUCHOS_UTILS_H
#define TEUCHOS_UTILS_H
/*! \file Teuchos_Utils.hpp
\brief A utilities class for Teuchos
*/
#include "Teuchos_toString.hpp"
/*! \class Teuchos::Utils
\brief This class provides some basic std::string and floating-point utilities for Teuchos
*/
namespace Teuchos
{
using std::string;
class TEUCHOS_LIB_DLL_EXPORT Utils
{
public:
/** \brief print a description of the current build. */
static void aboutBuild();
/** \brief Set a number to zero if it is less than
* <tt>getChopVal()</tt>. */
static double chop(const double& x);
/** \brief Get the chopping value, below which numbers are considered to
* be zero. */
static double getChopVal() {return chopVal_;}
/** \brief Set the chopping value, below which numbers are considered to
* be zero. */
static void setChopVal(double chopVal) {chopVal_ = chopVal;}
/** \brief Determine if a char is whitespace or not. */
static bool isWhiteSpace( const char c )
{ return ( c==' ' || c =='\t' || c=='\n' ); }
/** \brief Trim whitespace from beginning and end of std::string. */
static std::string trimWhiteSpace( const std::string& str );
/** \brief Write a double as a std::string. */
static std::string toString(const double& x);
/** \brief Write an int as a std::string. */
static std::string toString(const int& x);
/** \brief Write an unsigned int as a std::string. */
static std::string toString(const unsigned int& x);
/** \brief pi. */
#ifdef M_PI
static double pi() {return M_PI;}
#else
static double pi() {return 3.14159265358979323846;}
#endif
/** \brief Get a parallel file name extention . */
static std::string getParallelExtension(
int procRank = -1
,int numProcs = -1
);
private:
static double chopVal_;
};
} // end namespace Teuchos
#endif
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