Sacado_Random.hpp

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// $Id: Sacado_Random.hpp,v 1.5 2007/07/24 00:08:09 etphipp Exp $ 
// $Source: /space/CVS/Trilinos/packages/sacado/test/utils/Sacado_Random.hpp,v $ 
// @HEADER
// ***********************************************************************
// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
// 
// 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 David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
// (etphipp@sandia.gov).
// 
// ***********************************************************************
// @HEADER

#ifndef SACADO_RANDOM_HPP
#define SACADO_RANDOM_HPP

#include <string>

namespace Sacado {

  class Random {
  public:
    
    Random(double a_, double b_);

    Random(double a_, double b_, int s);

    ~Random();
    
    void setSeed(int s);

    double number();

  protected:

    // Check seed is valid
    int checkSeed(const std::string& func, int s);
  
  protected:

    double a;
    
    double b;

    double seed;

  }; // class Random

} // namespace Sacado

#endif // SACADO_RANDOM_HPP

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