Nestedsums library: letter.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_LETTER_H__ 00027 #define __NESTEDSUMS_LETTER_H__ 00028 00029 #include "ginac/ginac.h" 00030 00031 namespace nestedsums { 00032 00034 00044 class letter : public basic_letter 00045 { 00046 00047 GINAC_DECLARE_REGISTERED_CLASS(letter, basic_letter) 00048 00049 // ctors 00050 public: 00051 letter(const GiNaC::ex & l, const GiNaC::ex & d); 00052 letter(const GiNaC::ex & l, const GiNaC::ex & d, const GiNaC::ex & i); 00053 00054 // functions overriding virtual functions from base classes 00055 public: 00056 void archive(GiNaC::archive_node &node) const; 00057 void read_archive(const GiNaC::archive_node &node, GiNaC::lst &sym_lst); 00058 00059 GiNaC::return_type_t return_type_tinfo() const; 00060 00061 void print(const GiNaC::print_context & c, unsigned level = 0) const; 00062 GiNaC::ex eval(int level = 0) const; 00063 00064 GiNaC::ex concat_speedy(const GiNaC::ex & l) const; 00065 }; 00066 00067 GINAC_DECLARE_UNARCHIVER(letter); 00068 00074 inline GiNaC::ex create_letter(const GiNaC::ex & l, const GiNaC::ex & d) 00075 { 00076 return (new letter(l,d))->setflag(GiNaC::status_flags::dynallocated); 00077 } 00078 00084 inline GiNaC::ex create_letter(const GiNaC::ex & l, const GiNaC::ex & d, const GiNaC::ex & i) 00085 { 00086 return (new letter(l,d,i))->setflag(GiNaC::status_flags::dynallocated); 00087 } 00088 00089 } // namespace nestedsums 00090 00091 #endif // ndef __NESTEDSUMS_LETTER_H__