multiple_zeta_value.h

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/*
 *  Copyright (C) 2001 Stefan Weinzierl
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __NESTEDSUMS_MULTIPLE_ZETA_VALUE_H__
#define __NESTEDSUMS_MULTIPLE_ZETA_VALUE_H__

#include "ginac/ginac.h"

namespace nestedsums {


  class multiple_zeta_value : public multiple_polylog, public Euler_Zagier_sum
    {
      GINAC_DECLARE_REGISTERED_CLASS(multiple_zeta_value, multiple_polylog)

        // ctors
    public:
      explicit multiple_zeta_value(const GiNaC::ex & llc);

        // functions overriding virtual functions from bases classes
    public:
      void archive(GiNaC::archive_node &node) const;
      void read_archive(const GiNaC::archive_node &node, GiNaC::lst &sym_lst);

      GiNaC::return_type_t return_type_tinfo() const;

      void print(const GiNaC::print_context & c, unsigned level = 0) const;
      GiNaC::ex eval(int level = 0) const;

    };

GINAC_DECLARE_UNARCHIVER(multiple_zeta_value);

inline GiNaC::ex create_multiple_zeta_value(const GiNaC::ex & llc)
  {
    return (new multiple_zeta_value(llc))->setflag(GiNaC::status_flags::dynallocated);
  }

} // namespace nestedsums

namespace GiNaC {

  // template specialization
template<> inline const nestedsums::multiple_zeta_value &ex_to<nestedsums::multiple_zeta_value>(const ex &e)
  {
    return dynamic_cast<const nestedsums::multiple_zeta_value &>(*e.bp);
  }

} // end namespace GiNaC

#endif // ndef __NESTEDSUMS_MULTIPLE_ZETA_VALUE_H__

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