Nestedsums library: classical_polylog.h Source File

00001 00008 /* 00009 * Copyright (C) 2001 Stefan Weinzierl 00010 * 00011 * This program is free software; you can redistribute it and/or modify 00012 * it under the terms of the GNU General Public License as published by 00013 * the Free Software Foundation; either version 2 of the License, or 00014 * (at your option) any later version. 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU General Public License for more details. 00020 * 00021 * You should have received a copy of the GNU General Public License 00022 * along with this program; if not, write to the Free Software 00023 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00024 */ 00025 00026 #ifndef __NESTEDSUMS_CLASSICAL_POLYLOG_H__ 00027 #define __NESTEDSUMS_CLASSICAL_POLYLOG_H__ 00028 00029 #include "ginac/ginac.h" 00030 00031 namespace nestedsums { 00032 00034 00042 class classical_polylog : public nielsen_polylog 00043 { 00044 GINAC_DECLARE_REGISTERED_CLASS(classical_polylog, nielsen_polylog) 00045 00046 // ctors 00047 public: 00048 explicit classical_polylog(const GiNaC::ex & llc); 00049 00050 // functions overriding virtual functions from bases classes 00051 public: 00052 void archive(GiNaC::archive_node &node) const; 00053 void read_archive(const GiNaC::archive_node &node, GiNaC::lst &sym_lst); 00054 00055 void print(const GiNaC::print_context & c, unsigned level = 0) const; 00056 GiNaC::ex eval(int level = 0) const; 00057 }; 00058 00059 GINAC_DECLARE_UNARCHIVER(classical_polylog); 00060 00066 inline GiNaC::ex create_classical_polylog(const GiNaC::ex & llc) 00067 { 00068 return (new classical_polylog(llc))->setflag(GiNaC::status_flags::dynallocated); 00069 } 00070 00071 } // namespace nestedsums 00072 00073 namespace GiNaC { 00074 00075 // template specialization 00076 template<> inline const nestedsums::classical_polylog &ex_to<nestedsums::classical_polylog>(const ex &e) 00077 { 00078 return dynamic_cast<const nestedsums::classical_polylog &>(*e.bp); 00079 } 00080 00081 } // end namespace GiNaC 00082 00083 #endif // ndef __NESTEDSUMS_CLASSICAL_POLYLOG_H__