Sacado_Random.hpp

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// @HEADER
// *****************************************************************************
//                           Sacado Package
//
// Copyright 2006 NTESS and the Sacado contributors.
// SPDX-License-Identifier: LGPL-2.1-or-later
// *****************************************************************************
// @HEADER

#ifndef SACADO_RANDOM_HPP
#define SACADO_RANDOM_HPP

#include "Sacado_ConfigDefs.h"

#include <string>

namespace Sacado {

  template <typename ScalarT>
  class Random {
  public:

    Random();
    
    Random(ScalarT a_, ScalarT b_);

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

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

    ScalarT number();

  protected:

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

    ScalarT a;
    
    ScalarT b;

    ScalarT seed;

  }; // class Random

} // namespace Sacdo

#ifdef HAVE_SACADO_COMPLEX
#include <complex>

namespace Sacado {

  template <typename T>
  class Random< std::complex<T> > {
  public:

    Random();
    
    Random(const std::complex<T>& a, const std::complex<T>& b);

    Random(const std::complex<T>& a, const std::complex<T>& b, int s);

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

    std::complex<T> number();
  
  protected:

    Random<T> rand_real;
    
    Random<T> rand_imag;

  }; // class Random

} // namespace Sacado

#endif // HAVE_SACADO_COMPLEX

#include "Sacado_RandomImp.hpp"

#endif // SACADO_RANDOM_HPP