Nestedsums library: unit_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_UNIT_LETTER_H__ 00027 #define __NESTEDSUMS_UNIT_LETTER_H__ 00028 00029 #include "ginac/ginac.h" 00030 00031 namespace nestedsums { 00032 00034 00044 class unit_letter : public letter 00045 { 00046 GINAC_DECLARE_REGISTERED_CLASS(unit_letter, letter) 00047 00048 // ctors 00049 public: 00050 explicit unit_letter(const GiNaC::ex & d); 00051 unit_letter(const GiNaC::ex & d, const GiNaC::ex & i); 00052 00053 // functions overriding virtual functions from base classes 00054 public: 00055 void archive(GiNaC::archive_node &node) const; 00056 void read_archive(const GiNaC::archive_node &node, GiNaC::lst &sym_lst); 00057 00058 void print(const GiNaC::print_context & c, unsigned level = 0) const; 00059 GiNaC::ex eval(int level = 0) const; 00060 00061 GiNaC::ex concat_speedy(const GiNaC::ex & l) const; 00062 }; 00063 00064 GINAC_DECLARE_UNARCHIVER(unit_letter); 00065 00071 inline GiNaC::ex create_unit_letter(const GiNaC::ex & d) 00072 { 00073 return (new unit_letter(d))->setflag(GiNaC::status_flags::dynallocated); 00074 } 00075 00081 inline GiNaC::ex create_unit_letter(const GiNaC::ex & d, const GiNaC::ex & i) 00082 { 00083 return (new unit_letter(d,i))->setflag(GiNaC::status_flags::dynallocated); 00084 } 00085 00086 } // namespace nestedsums 00087 00088 #endif // ndef __NESTEDSUMS_UNIT_LETTER_H__