summand.h

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// Author(s): Wieger Wesselink
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_LPS_SUMMAND_H
#define MCRL2_LPS_SUMMAND_H
 
#include "mcrl2/data/real.h"
 
namespace mcrl2
{
 
namespace lps
{
 
class summand_base
{
  protected:
    data::variable_list m_summation_variables;
 
    data::data_expression m_condition;
 
  public:
    summand_base()
    {}
 
    summand_base(const data::variable_list& summation_variables, const data::data_expression& condition)
      : m_summation_variables(summation_variables),
        m_condition(condition)
    {}
 
    data::variable_list& summation_variables()
    {
      return m_summation_variables;
    }
 
    const data::variable_list& summation_variables() const
    {
      return m_summation_variables;
    }
 
    const data::data_expression& condition() const
    {
      return m_condition;
    }
 
    data::data_expression& condition()
    {
      return m_condition;
    }
 
    void swap(summand_base& other)
    {
      using std::swap;
      swap(m_summation_variables, other.m_summation_variables);
      swap(m_condition, other.m_condition);
    }
};
 
} // namespace lps
 
} // namespace mcrl2
 
#endif // MCRL2_LPS_SUMMAND_H